Inlined call vicSelectGfxBank::$0 = call toDd00(vicSelectGfxBank::gfx)
Inlined call call __init
Eliminating unused variable with no statement bitmap_clear::$1
Eliminating unused variable with no statement bitmap_line::$1
Eliminating unused variable with no statement bitmap_line::$3
Eliminating unused variable with no statement bitmap_line::$9
Eliminating unused variable with no statement bitmap_line::$11
Eliminating unused variable with no statement bitmap_line::$15
Eliminating unused variable with no statement bitmap_line::$20
Eliminating unused variable with no statement memset::$2

CONTROL FLOW GRAPH SSA

void bitmap_init(char *gfx , char *screen)
bitmap_init: scope:[bitmap_init]  from main
  bitmap_init::screen#1 = phi( main/bitmap_init::screen#0 )
  bitmap_init::gfx#1 = phi( main/bitmap_init::gfx#0 )
  bitmap_gfx#0 = bitmap_init::gfx#1
  bitmap_screen#0 = bitmap_init::screen#1
  bitmap_init::bits#0 = $80
  bitmap_init::x#0 = 0
  to:bitmap_init::@1
bitmap_init::@1: scope:[bitmap_init]  from bitmap_init bitmap_init::@2
  bitmap_screen#24 = phi( bitmap_init/bitmap_screen#0, bitmap_init::@2/bitmap_screen#22 )
  bitmap_gfx#25 = phi( bitmap_init/bitmap_gfx#0, bitmap_init::@2/bitmap_gfx#23 )
  bitmap_init::gfx#4 = phi( bitmap_init/bitmap_init::gfx#1, bitmap_init::@2/bitmap_init::gfx#3 )
  bitmap_init::x#2 = phi( bitmap_init/bitmap_init::x#0, bitmap_init::@2/bitmap_init::x#1 )
  bitmap_init::bits#3 = phi( bitmap_init/bitmap_init::bits#0, bitmap_init::@2/bitmap_init::bits#4 )
  bitmap_plot_bit[bitmap_init::x#2] = bitmap_init::bits#3
  bitmap_init::bits#1 = bitmap_init::bits#3 >> 1
  bitmap_init::$0 = bitmap_init::bits#1 == 0
  bitmap_init::$1 = ! bitmap_init::$0
  if(bitmap_init::$1) goto bitmap_init::@2
  to:bitmap_init::@3
bitmap_init::@2: scope:[bitmap_init]  from bitmap_init::@1 bitmap_init::@3
  bitmap_screen#22 = phi( bitmap_init::@1/bitmap_screen#24, bitmap_init::@3/bitmap_screen#25 )
  bitmap_gfx#23 = phi( bitmap_init::@1/bitmap_gfx#25, bitmap_init::@3/bitmap_gfx#26 )
  bitmap_init::gfx#3 = phi( bitmap_init::@1/bitmap_init::gfx#4, bitmap_init::@3/bitmap_init::gfx#5 )
  bitmap_init::bits#4 = phi( bitmap_init::@1/bitmap_init::bits#1, bitmap_init::@3/bitmap_init::bits#2 )
  bitmap_init::x#3 = phi( bitmap_init::@1/bitmap_init::x#2, bitmap_init::@3/bitmap_init::x#4 )
  bitmap_init::x#1 = bitmap_init::x#3 + rangenext(0,$ff)
  bitmap_init::$2 = bitmap_init::x#1 != rangelast(0,$ff)
  if(bitmap_init::$2) goto bitmap_init::@1
  to:bitmap_init::@4
bitmap_init::@3: scope:[bitmap_init]  from bitmap_init::@1
  bitmap_screen#25 = phi( bitmap_init::@1/bitmap_screen#24 )
  bitmap_gfx#26 = phi( bitmap_init::@1/bitmap_gfx#25 )
  bitmap_init::gfx#5 = phi( bitmap_init::@1/bitmap_init::gfx#4 )
  bitmap_init::x#4 = phi( bitmap_init::@1/bitmap_init::x#2 )
  bitmap_init::bits#2 = $80
  to:bitmap_init::@2
bitmap_init::@4: scope:[bitmap_init]  from bitmap_init::@2
  bitmap_screen#20 = phi( bitmap_init::@2/bitmap_screen#22 )
  bitmap_gfx#21 = phi( bitmap_init::@2/bitmap_gfx#23 )
  bitmap_init::gfx#2 = phi( bitmap_init::@2/bitmap_init::gfx#3 )
  bitmap_init::yoffs#0 = bitmap_init::gfx#2
  bitmap_init::y#0 = 0
  to:bitmap_init::@5
bitmap_init::@5: scope:[bitmap_init]  from bitmap_init::@4 bitmap_init::@6
  bitmap_screen#17 = phi( bitmap_init::@4/bitmap_screen#20, bitmap_init::@6/bitmap_screen#13 )
  bitmap_gfx#18 = phi( bitmap_init::@4/bitmap_gfx#21, bitmap_init::@6/bitmap_gfx#13 )
  bitmap_init::yoffs#2 = phi( bitmap_init::@4/bitmap_init::yoffs#0, bitmap_init::@6/bitmap_init::yoffs#4 )
  bitmap_init::y#2 = phi( bitmap_init::@4/bitmap_init::y#0, bitmap_init::@6/bitmap_init::y#1 )
  bitmap_init::$3 = bitmap_init::y#2 & 7
  bitmap_init::$4 = byte0  bitmap_init::yoffs#2
  bitmap_init::$5 = bitmap_init::$3 | bitmap_init::$4
  bitmap_plot_ylo[bitmap_init::y#2] = bitmap_init::$5
  bitmap_init::$6 = byte1  bitmap_init::yoffs#2
  bitmap_plot_yhi[bitmap_init::y#2] = bitmap_init::$6
  bitmap_init::$7 = bitmap_init::y#2 & 7
  bitmap_init::$8 = bitmap_init::$7 == 7
  bitmap_init::$9 = ! bitmap_init::$8
  if(bitmap_init::$9) goto bitmap_init::@6
  to:bitmap_init::@7
bitmap_init::@6: scope:[bitmap_init]  from bitmap_init::@5 bitmap_init::@7
  bitmap_screen#13 = phi( bitmap_init::@5/bitmap_screen#17, bitmap_init::@7/bitmap_screen#18 )
  bitmap_gfx#13 = phi( bitmap_init::@5/bitmap_gfx#18, bitmap_init::@7/bitmap_gfx#19 )
  bitmap_init::yoffs#4 = phi( bitmap_init::@5/bitmap_init::yoffs#2, bitmap_init::@7/bitmap_init::yoffs#1 )
  bitmap_init::y#3 = phi( bitmap_init::@5/bitmap_init::y#2, bitmap_init::@7/bitmap_init::y#4 )
  bitmap_init::y#1 = bitmap_init::y#3 + rangenext(0,$ff)
  bitmap_init::$11 = bitmap_init::y#1 != rangelast(0,$ff)
  if(bitmap_init::$11) goto bitmap_init::@5
  to:bitmap_init::@return
bitmap_init::@7: scope:[bitmap_init]  from bitmap_init::@5
  bitmap_screen#18 = phi( bitmap_init::@5/bitmap_screen#17 )
  bitmap_gfx#19 = phi( bitmap_init::@5/bitmap_gfx#18 )
  bitmap_init::y#4 = phi( bitmap_init::@5/bitmap_init::y#2 )
  bitmap_init::yoffs#3 = phi( bitmap_init::@5/bitmap_init::yoffs#2 )
  bitmap_init::$10 = bitmap_init::yoffs#3 + $28*8
  bitmap_init::yoffs#1 = bitmap_init::$10
  to:bitmap_init::@6
bitmap_init::@return: scope:[bitmap_init]  from bitmap_init::@6
  bitmap_screen#7 = phi( bitmap_init::@6/bitmap_screen#13 )
  bitmap_gfx#7 = phi( bitmap_init::@6/bitmap_gfx#13 )
  bitmap_gfx#1 = bitmap_gfx#7
  bitmap_screen#1 = bitmap_screen#7
  return 
  to:@return

void bitmap_clear(char bgcol , char fgcol)
bitmap_clear: scope:[bitmap_clear]  from main::@2
  bitmap_gfx#14 = phi( main::@2/bitmap_gfx#2 )
  bitmap_screen#8 = phi( main::@2/bitmap_screen#2 )
  bitmap_clear::bgcol#1 = phi( main::@2/bitmap_clear::bgcol#0 )
  bitmap_clear::fgcol#1 = phi( main::@2/bitmap_clear::fgcol#0 )
  bitmap_clear::$0 = bitmap_clear::fgcol#1 * $10
  bitmap_clear::col#0 = bitmap_clear::$0 + bitmap_clear::bgcol#1
  memset::str#0 = (void *)bitmap_screen#8
  memset::c#0 = bitmap_clear::col#0
  memset::num#0 = $3e8
  call memset
  memset::return#0 = memset::return#3
  to:bitmap_clear::@1
bitmap_clear::@1: scope:[bitmap_clear]  from bitmap_clear
  bitmap_gfx#8 = phi( bitmap_clear/bitmap_gfx#14 )
  memset::str#1 = (void *)bitmap_gfx#8
  memset::c#1 = 0
  memset::num#1 = $1f40
  call memset
  memset::return#1 = memset::return#3
  to:bitmap_clear::@2
bitmap_clear::@2: scope:[bitmap_clear]  from bitmap_clear::@1
  to:bitmap_clear::@return
bitmap_clear::@return: scope:[bitmap_clear]  from bitmap_clear::@2
  return 
  to:@return

void bitmap_plot(unsigned int x , char y)
bitmap_plot: scope:[bitmap_plot]  from bitmap_line::@3 bitmap_line::@4 bitmap_line::@6 bitmap_line::@9
  bitmap_plot::x#4 = phi( bitmap_line::@3/bitmap_plot::x#2, bitmap_line::@4/bitmap_plot::x#0, bitmap_line::@6/bitmap_plot::x#1, bitmap_line::@9/bitmap_plot::x#3 )
  bitmap_plot::y#4 = phi( bitmap_line::@3/bitmap_plot::y#2, bitmap_line::@4/bitmap_plot::y#0, bitmap_line::@6/bitmap_plot::y#1, bitmap_line::@9/bitmap_plot::y#3 )
  bitmap_plot::$0 = bitmap_plot_yhi[bitmap_plot::y#4] w= bitmap_plot_ylo[bitmap_plot::y#4]
  bitmap_plot::plotter#0 = (char *)bitmap_plot::$0
  bitmap_plot::$1 = bitmap_plot::x#4 & $fff8
  bitmap_plot::plotter#1 = bitmap_plot::plotter#0 + bitmap_plot::$1
  bitmap_plot::$2 = byte0  bitmap_plot::x#4
  *bitmap_plot::plotter#1 = *bitmap_plot::plotter#1 | bitmap_plot_bit[bitmap_plot::$2]
  to:bitmap_plot::@return
bitmap_plot::@return: scope:[bitmap_plot]  from bitmap_plot
  return 
  to:@return

void bitmap_line(unsigned int x1 , unsigned int y1 , unsigned int x2 , unsigned int y2)
bitmap_line: scope:[bitmap_line]  from lines::@2
  bitmap_line::y2#4 = phi( lines::@2/bitmap_line::y2#0 )
  bitmap_line::x2#1 = phi( lines::@2/bitmap_line::x2#0 )
  bitmap_line::y1#1 = phi( lines::@2/bitmap_line::y1#0 )
  bitmap_line::x1#1 = phi( lines::@2/bitmap_line::x1#0 )
  bitmap_line::x#0 = bitmap_line::x1#1
  bitmap_line::y#0 = bitmap_line::y1#1
  bitmap_line::$0 = bitmap_line::x2#1 - bitmap_line::x1#1
  abs_u16::w#0 = bitmap_line::$0
  call abs_u16
  abs_u16::return#0 = abs_u16::return#4
  to:bitmap_line::@12
bitmap_line::@12: scope:[bitmap_line]  from bitmap_line
  bitmap_line::y#16 = phi( bitmap_line/bitmap_line::y#0 )
  bitmap_line::x#16 = phi( bitmap_line/bitmap_line::x#0 )
  bitmap_line::x1#4 = phi( bitmap_line/bitmap_line::x1#1 )
  bitmap_line::x2#7 = phi( bitmap_line/bitmap_line::x2#1 )
  bitmap_line::y1#2 = phi( bitmap_line/bitmap_line::y1#1 )
  bitmap_line::y2#1 = phi( bitmap_line/bitmap_line::y2#4 )
  abs_u16::return#5 = phi( bitmap_line/abs_u16::return#0 )
  bitmap_line::dx#0 = abs_u16::return#5
  bitmap_line::$2 = bitmap_line::y2#1 - bitmap_line::y1#2
  abs_u16::w#1 = bitmap_line::$2
  call abs_u16
  abs_u16::return#1 = abs_u16::return#4
  to:bitmap_line::@13
bitmap_line::@13: scope:[bitmap_line]  from bitmap_line::@12
  bitmap_line::y1#5 = phi( bitmap_line::@12/bitmap_line::y1#2 )
  bitmap_line::y2#8 = phi( bitmap_line::@12/bitmap_line::y2#1 )
  bitmap_line::y#10 = phi( bitmap_line::@12/bitmap_line::y#16 )
  bitmap_line::x#10 = phi( bitmap_line::@12/bitmap_line::x#16 )
  bitmap_line::x1#3 = phi( bitmap_line::@12/bitmap_line::x1#4 )
  bitmap_line::x2#4 = phi( bitmap_line::@12/bitmap_line::x2#7 )
  bitmap_line::dx#1 = phi( bitmap_line::@12/bitmap_line::dx#0 )
  abs_u16::return#6 = phi( bitmap_line::@12/abs_u16::return#1 )
  bitmap_line::dy#0 = abs_u16::return#6
  bitmap_line::$4 = bitmap_line::dx#1 == 0
  bitmap_line::$5 = bitmap_line::dy#0 == 0
  bitmap_line::$6 = bitmap_line::$4 && bitmap_line::$5
  bitmap_line::$7 = ! bitmap_line::$6
  if(bitmap_line::$7) goto bitmap_line::@1
  to:bitmap_line::@4
bitmap_line::@1: scope:[bitmap_line]  from bitmap_line::@13
  bitmap_line::y#19 = phi( bitmap_line::@13/bitmap_line::y#10 )
  bitmap_line::x#19 = phi( bitmap_line::@13/bitmap_line::x#10 )
  bitmap_line::dy#9 = phi( bitmap_line::@13/bitmap_line::dy#0 )
  bitmap_line::dx#10 = phi( bitmap_line::@13/bitmap_line::dx#1 )
  bitmap_line::y1#4 = phi( bitmap_line::@13/bitmap_line::y1#5 )
  bitmap_line::y2#5 = phi( bitmap_line::@13/bitmap_line::y2#8 )
  bitmap_line::x1#2 = phi( bitmap_line::@13/bitmap_line::x1#3 )
  bitmap_line::x2#2 = phi( bitmap_line::@13/bitmap_line::x2#4 )
  bitmap_line::$8 = bitmap_line::x2#2 - bitmap_line::x1#2
  sgn_u16::w#0 = bitmap_line::$8
  call sgn_u16
  sgn_u16::return#0 = sgn_u16::return#4
  to:bitmap_line::@14
bitmap_line::@14: scope:[bitmap_line]  from bitmap_line::@1
  bitmap_line::x2#11 = phi( bitmap_line::@1/bitmap_line::x2#2 )
  bitmap_line::y#18 = phi( bitmap_line::@1/bitmap_line::y#19 )
  bitmap_line::x#18 = phi( bitmap_line::@1/bitmap_line::x#19 )
  bitmap_line::dy#6 = phi( bitmap_line::@1/bitmap_line::dy#9 )
  bitmap_line::dx#7 = phi( bitmap_line::@1/bitmap_line::dx#10 )
  bitmap_line::y1#3 = phi( bitmap_line::@1/bitmap_line::y1#4 )
  bitmap_line::y2#2 = phi( bitmap_line::@1/bitmap_line::y2#5 )
  sgn_u16::return#5 = phi( bitmap_line::@1/sgn_u16::return#0 )
  bitmap_line::sx#0 = sgn_u16::return#5
  bitmap_line::$10 = bitmap_line::y2#2 - bitmap_line::y1#3
  sgn_u16::w#1 = bitmap_line::$10
  call sgn_u16
  sgn_u16::return#1 = sgn_u16::return#4
  to:bitmap_line::@15
bitmap_line::@15: scope:[bitmap_line]  from bitmap_line::@14
  bitmap_line::y2#11 = phi( bitmap_line::@14/bitmap_line::y2#2 )
  bitmap_line::x2#10 = phi( bitmap_line::@14/bitmap_line::x2#11 )
  bitmap_line::sx#8 = phi( bitmap_line::@14/bitmap_line::sx#0 )
  bitmap_line::y#17 = phi( bitmap_line::@14/bitmap_line::y#18 )
  bitmap_line::x#17 = phi( bitmap_line::@14/bitmap_line::x#18 )
  bitmap_line::dy#1 = phi( bitmap_line::@14/bitmap_line::dy#6 )
  bitmap_line::dx#2 = phi( bitmap_line::@14/bitmap_line::dx#7 )
  sgn_u16::return#6 = phi( bitmap_line::@14/sgn_u16::return#1 )
  bitmap_line::sy#0 = sgn_u16::return#6
  bitmap_line::$12 = bitmap_line::dx#2 > bitmap_line::dy#1
  if(bitmap_line::$12) goto bitmap_line::@2
  to:bitmap_line::@5
bitmap_line::@4: scope:[bitmap_line]  from bitmap_line::@13
  bitmap_line::y#3 = phi( bitmap_line::@13/bitmap_line::y#10 )
  bitmap_line::x#3 = phi( bitmap_line::@13/bitmap_line::x#10 )
  bitmap_plot::x#0 = bitmap_line::x#3
  bitmap_plot::y#0 = (char)bitmap_line::y#3
  call bitmap_plot
  to:bitmap_line::@16
bitmap_line::@16: scope:[bitmap_line]  from bitmap_line::@4
  to:bitmap_line::@return
bitmap_line::@return: scope:[bitmap_line]  from bitmap_line::@16 bitmap_line::@18
  return 
  to:@return
bitmap_line::@2: scope:[bitmap_line]  from bitmap_line::@15
  bitmap_line::sy#10 = phi( bitmap_line::@15/bitmap_line::sy#0 )
  bitmap_line::x2#9 = phi( bitmap_line::@15/bitmap_line::x2#10 )
  bitmap_line::dx#13 = phi( bitmap_line::@15/bitmap_line::dx#2 )
  bitmap_line::sx#7 = phi( bitmap_line::@15/bitmap_line::sx#8 )
  bitmap_line::y#14 = phi( bitmap_line::@15/bitmap_line::y#17 )
  bitmap_line::x#14 = phi( bitmap_line::@15/bitmap_line::x#17 )
  bitmap_line::dy#2 = phi( bitmap_line::@15/bitmap_line::dy#1 )
  bitmap_line::e1#0 = bitmap_line::dy#2 / 2
  to:bitmap_line::@9
bitmap_line::@5: scope:[bitmap_line]  from bitmap_line::@15
  bitmap_line::sx#9 = phi( bitmap_line::@15/bitmap_line::sx#8 )
  bitmap_line::y2#10 = phi( bitmap_line::@15/bitmap_line::y2#11 )
  bitmap_line::dy#10 = phi( bitmap_line::@15/bitmap_line::dy#1 )
  bitmap_line::sy#5 = phi( bitmap_line::@15/bitmap_line::sy#0 )
  bitmap_line::y#11 = phi( bitmap_line::@15/bitmap_line::y#17 )
  bitmap_line::x#11 = phi( bitmap_line::@15/bitmap_line::x#17 )
  bitmap_line::dx#3 = phi( bitmap_line::@15/bitmap_line::dx#2 )
  bitmap_line::e#0 = bitmap_line::dx#3 / 2
  to:bitmap_line::@6
bitmap_line::@6: scope:[bitmap_line]  from bitmap_line::@5 bitmap_line::@7
  bitmap_line::sx#5 = phi( bitmap_line::@5/bitmap_line::sx#9, bitmap_line::@7/bitmap_line::sx#10 )
  bitmap_line::y2#9 = phi( bitmap_line::@5/bitmap_line::y2#10, bitmap_line::@7/bitmap_line::y2#3 )
  bitmap_line::dy#7 = phi( bitmap_line::@5/bitmap_line::dy#10, bitmap_line::@7/bitmap_line::dy#11 )
  bitmap_line::dx#8 = phi( bitmap_line::@5/bitmap_line::dx#3, bitmap_line::@7/bitmap_line::dx#11 )
  bitmap_line::e#5 = phi( bitmap_line::@5/bitmap_line::e#0, bitmap_line::@7/bitmap_line::e#6 )
  bitmap_line::sy#3 = phi( bitmap_line::@5/bitmap_line::sy#5, bitmap_line::@7/bitmap_line::sy#6 )
  bitmap_line::y#4 = phi( bitmap_line::@5/bitmap_line::y#11, bitmap_line::@7/bitmap_line::y#6 )
  bitmap_line::x#4 = phi( bitmap_line::@5/bitmap_line::x#11, bitmap_line::@7/bitmap_line::x#12 )
  bitmap_plot::x#1 = bitmap_line::x#4
  bitmap_plot::y#1 = (char)bitmap_line::y#4
  call bitmap_plot
  to:bitmap_line::@17
bitmap_line::@17: scope:[bitmap_line]  from bitmap_line::@6
  bitmap_line::sx#3 = phi( bitmap_line::@6/bitmap_line::sx#5 )
  bitmap_line::x#13 = phi( bitmap_line::@6/bitmap_line::x#4 )
  bitmap_line::y2#6 = phi( bitmap_line::@6/bitmap_line::y2#9 )
  bitmap_line::dy#3 = phi( bitmap_line::@6/bitmap_line::dy#7 )
  bitmap_line::dx#4 = phi( bitmap_line::@6/bitmap_line::dx#8 )
  bitmap_line::e#3 = phi( bitmap_line::@6/bitmap_line::e#5 )
  bitmap_line::sy#1 = phi( bitmap_line::@6/bitmap_line::sy#3 )
  bitmap_line::y#5 = phi( bitmap_line::@6/bitmap_line::y#4 )
  bitmap_line::y#1 = bitmap_line::y#5 + bitmap_line::sy#1
  bitmap_line::e#1 = bitmap_line::e#3 + bitmap_line::dx#4
  bitmap_line::$17 = bitmap_line::dy#3 < bitmap_line::e#1
  bitmap_line::$18 = ! bitmap_line::$17
  if(bitmap_line::$18) goto bitmap_line::@7
  to:bitmap_line::@8
bitmap_line::@7: scope:[bitmap_line]  from bitmap_line::@17 bitmap_line::@8
  bitmap_line::sx#10 = phi( bitmap_line::@17/bitmap_line::sx#3, bitmap_line::@8/bitmap_line::sx#1 )
  bitmap_line::dy#11 = phi( bitmap_line::@17/bitmap_line::dy#3, bitmap_line::@8/bitmap_line::dy#4 )
  bitmap_line::dx#11 = phi( bitmap_line::@17/bitmap_line::dx#4, bitmap_line::@8/bitmap_line::dx#14 )
  bitmap_line::e#6 = phi( bitmap_line::@17/bitmap_line::e#1, bitmap_line::@8/bitmap_line::e#2 )
  bitmap_line::sy#6 = phi( bitmap_line::@17/bitmap_line::sy#1, bitmap_line::@8/bitmap_line::sy#8 )
  bitmap_line::x#12 = phi( bitmap_line::@17/bitmap_line::x#13, bitmap_line::@8/bitmap_line::x#1 )
  bitmap_line::y2#3 = phi( bitmap_line::@17/bitmap_line::y2#6, bitmap_line::@8/bitmap_line::y2#7 )
  bitmap_line::y#6 = phi( bitmap_line::@17/bitmap_line::y#1, bitmap_line::@8/bitmap_line::y#12 )
  bitmap_line::$19 = bitmap_line::y#6 != bitmap_line::y2#3
  if(bitmap_line::$19) goto bitmap_line::@6
  to:bitmap_line::@3
bitmap_line::@8: scope:[bitmap_line]  from bitmap_line::@17
  bitmap_line::dx#14 = phi( bitmap_line::@17/bitmap_line::dx#4 )
  bitmap_line::sy#8 = phi( bitmap_line::@17/bitmap_line::sy#1 )
  bitmap_line::y2#7 = phi( bitmap_line::@17/bitmap_line::y2#6 )
  bitmap_line::y#12 = phi( bitmap_line::@17/bitmap_line::y#1 )
  bitmap_line::dy#4 = phi( bitmap_line::@17/bitmap_line::dy#3 )
  bitmap_line::e#4 = phi( bitmap_line::@17/bitmap_line::e#1 )
  bitmap_line::sx#1 = phi( bitmap_line::@17/bitmap_line::sx#3 )
  bitmap_line::x#5 = phi( bitmap_line::@17/bitmap_line::x#13 )
  bitmap_line::x#1 = bitmap_line::x#5 + bitmap_line::sx#1
  bitmap_line::e#2 = bitmap_line::e#4 - bitmap_line::dy#4
  to:bitmap_line::@7
bitmap_line::@3: scope:[bitmap_line]  from bitmap_line::@10 bitmap_line::@7
  bitmap_line::y#7 = phi( bitmap_line::@10/bitmap_line::y#13, bitmap_line::@7/bitmap_line::y#6 )
  bitmap_line::x#6 = phi( bitmap_line::@10/bitmap_line::x#9, bitmap_line::@7/bitmap_line::x#12 )
  bitmap_plot::x#2 = bitmap_line::x#6
  bitmap_plot::y#2 = (char)bitmap_line::y#7
  call bitmap_plot
  to:bitmap_line::@18
bitmap_line::@18: scope:[bitmap_line]  from bitmap_line::@3
  to:bitmap_line::@return
bitmap_line::@9: scope:[bitmap_line]  from bitmap_line::@10 bitmap_line::@2
  bitmap_line::sy#7 = phi( bitmap_line::@10/bitmap_line::sy#9, bitmap_line::@2/bitmap_line::sy#10 )
  bitmap_line::x2#8 = phi( bitmap_line::@10/bitmap_line::x2#3, bitmap_line::@2/bitmap_line::x2#9 )
  bitmap_line::dx#9 = phi( bitmap_line::@10/bitmap_line::dx#12, bitmap_line::@2/bitmap_line::dx#13 )
  bitmap_line::dy#8 = phi( bitmap_line::@10/bitmap_line::dy#12, bitmap_line::@2/bitmap_line::dy#2 )
  bitmap_line::e1#5 = phi( bitmap_line::@10/bitmap_line::e1#6, bitmap_line::@2/bitmap_line::e1#0 )
  bitmap_line::sx#4 = phi( bitmap_line::@10/bitmap_line::sx#6, bitmap_line::@2/bitmap_line::sx#7 )
  bitmap_line::y#8 = phi( bitmap_line::@10/bitmap_line::y#13, bitmap_line::@2/bitmap_line::y#14 )
  bitmap_line::x#7 = phi( bitmap_line::@10/bitmap_line::x#9, bitmap_line::@2/bitmap_line::x#14 )
  bitmap_plot::x#3 = bitmap_line::x#7
  bitmap_plot::y#3 = (char)bitmap_line::y#8
  call bitmap_plot
  to:bitmap_line::@19
bitmap_line::@19: scope:[bitmap_line]  from bitmap_line::@9
  bitmap_line::sy#4 = phi( bitmap_line::@9/bitmap_line::sy#7 )
  bitmap_line::y#15 = phi( bitmap_line::@9/bitmap_line::y#8 )
  bitmap_line::x2#6 = phi( bitmap_line::@9/bitmap_line::x2#8 )
  bitmap_line::dx#5 = phi( bitmap_line::@9/bitmap_line::dx#9 )
  bitmap_line::dy#5 = phi( bitmap_line::@9/bitmap_line::dy#8 )
  bitmap_line::e1#3 = phi( bitmap_line::@9/bitmap_line::e1#5 )
  bitmap_line::sx#2 = phi( bitmap_line::@9/bitmap_line::sx#4 )
  bitmap_line::x#8 = phi( bitmap_line::@9/bitmap_line::x#7 )
  bitmap_line::x#2 = bitmap_line::x#8 + bitmap_line::sx#2
  bitmap_line::e1#1 = bitmap_line::e1#3 + bitmap_line::dy#5
  bitmap_line::$22 = bitmap_line::dx#5 < bitmap_line::e1#1
  bitmap_line::$23 = ! bitmap_line::$22
  if(bitmap_line::$23) goto bitmap_line::@10
  to:bitmap_line::@11
bitmap_line::@10: scope:[bitmap_line]  from bitmap_line::@11 bitmap_line::@19
  bitmap_line::sy#9 = phi( bitmap_line::@11/bitmap_line::sy#2, bitmap_line::@19/bitmap_line::sy#4 )
  bitmap_line::dx#12 = phi( bitmap_line::@11/bitmap_line::dx#6, bitmap_line::@19/bitmap_line::dx#5 )
  bitmap_line::dy#12 = phi( bitmap_line::@11/bitmap_line::dy#13, bitmap_line::@19/bitmap_line::dy#5 )
  bitmap_line::e1#6 = phi( bitmap_line::@11/bitmap_line::e1#2, bitmap_line::@19/bitmap_line::e1#1 )
  bitmap_line::sx#6 = phi( bitmap_line::@11/bitmap_line::sx#11, bitmap_line::@19/bitmap_line::sx#2 )
  bitmap_line::y#13 = phi( bitmap_line::@11/bitmap_line::y#2, bitmap_line::@19/bitmap_line::y#15 )
  bitmap_line::x2#3 = phi( bitmap_line::@11/bitmap_line::x2#5, bitmap_line::@19/bitmap_line::x2#6 )
  bitmap_line::x#9 = phi( bitmap_line::@11/bitmap_line::x#15, bitmap_line::@19/bitmap_line::x#2 )
  bitmap_line::$24 = bitmap_line::x#9 != bitmap_line::x2#3
  if(bitmap_line::$24) goto bitmap_line::@9
  to:bitmap_line::@3
bitmap_line::@11: scope:[bitmap_line]  from bitmap_line::@19
  bitmap_line::dy#13 = phi( bitmap_line::@19/bitmap_line::dy#5 )
  bitmap_line::sx#11 = phi( bitmap_line::@19/bitmap_line::sx#2 )
  bitmap_line::x2#5 = phi( bitmap_line::@19/bitmap_line::x2#6 )
  bitmap_line::x#15 = phi( bitmap_line::@19/bitmap_line::x#2 )
  bitmap_line::dx#6 = phi( bitmap_line::@19/bitmap_line::dx#5 )
  bitmap_line::e1#4 = phi( bitmap_line::@19/bitmap_line::e1#1 )
  bitmap_line::sy#2 = phi( bitmap_line::@19/bitmap_line::sy#4 )
  bitmap_line::y#9 = phi( bitmap_line::@19/bitmap_line::y#15 )
  bitmap_line::y#2 = bitmap_line::y#9 + bitmap_line::sy#2
  bitmap_line::e1#2 = bitmap_line::e1#4 - bitmap_line::dx#6
  to:bitmap_line::@10

void * memset(void *str , char c , unsigned int num)
memset: scope:[memset]  from bitmap_clear bitmap_clear::@1
  memset::c#5 = phi( bitmap_clear/memset::c#0, bitmap_clear::@1/memset::c#1 )
  memset::str#4 = phi( bitmap_clear/memset::str#0, bitmap_clear::@1/memset::str#1 )
  memset::num#2 = phi( bitmap_clear/memset::num#0, bitmap_clear::@1/memset::num#1 )
  memset::$0 = memset::num#2 > 0
  memset::$1 = ! memset::$0
  if(memset::$1) goto memset::@1
  to:memset::@2
memset::@1: scope:[memset]  from memset memset::@3
  memset::str#2 = phi( memset/memset::str#4, memset::@3/memset::str#5 )
  memset::return#2 = memset::str#2
  to:memset::@return
memset::@2: scope:[memset]  from memset
  memset::c#4 = phi( memset/memset::c#5 )
  memset::num#3 = phi( memset/memset::num#2 )
  memset::str#3 = phi( memset/memset::str#4 )
  memset::$4 = (char *)memset::str#3
  memset::end#0 = memset::$4 + memset::num#3
  memset::dst#0 = ((char *)) memset::str#3
  to:memset::@3
memset::@3: scope:[memset]  from memset::@2 memset::@4
  memset::c#3 = phi( memset::@2/memset::c#4, memset::@4/memset::c#2 )
  memset::str#5 = phi( memset::@2/memset::str#3, memset::@4/memset::str#6 )
  memset::end#1 = phi( memset::@2/memset::end#0, memset::@4/memset::end#2 )
  memset::dst#2 = phi( memset::@2/memset::dst#0, memset::@4/memset::dst#1 )
  memset::$3 = memset::dst#2 != memset::end#1
  if(memset::$3) goto memset::@4
  to:memset::@1
memset::@4: scope:[memset]  from memset::@3
  memset::str#6 = phi( memset::@3/memset::str#5 )
  memset::end#2 = phi( memset::@3/memset::end#1 )
  memset::dst#3 = phi( memset::@3/memset::dst#2 )
  memset::c#2 = phi( memset::@3/memset::c#3 )
  *memset::dst#3 = memset::c#2
  memset::dst#1 = ++ memset::dst#3
  to:memset::@3
memset::@return: scope:[memset]  from memset::@1
  memset::return#4 = phi( memset::@1/memset::return#2 )
  memset::return#3 = memset::return#4
  return 
  to:@return

unsigned int abs_u16(unsigned int w)
abs_u16: scope:[abs_u16]  from bitmap_line bitmap_line::@12
  abs_u16::w#2 = phi( bitmap_line/abs_u16::w#0, bitmap_line::@12/abs_u16::w#1 )
  abs_u16::$0 = byte1  abs_u16::w#2
  abs_u16::$1 = abs_u16::$0 & $80
  abs_u16::$3 = 0 != abs_u16::$1
  if(abs_u16::$3) goto abs_u16::@1
  to:abs_u16::@2
abs_u16::@1: scope:[abs_u16]  from abs_u16
  abs_u16::w#3 = phi( abs_u16/abs_u16::w#2 )
  abs_u16::$2 = - abs_u16::w#3
  abs_u16::return#2 = abs_u16::$2
  to:abs_u16::@return
abs_u16::@2: scope:[abs_u16]  from abs_u16
  abs_u16::w#4 = phi( abs_u16/abs_u16::w#2 )
  abs_u16::return#3 = abs_u16::w#4
  to:abs_u16::@return
abs_u16::@return: scope:[abs_u16]  from abs_u16::@1 abs_u16::@2
  abs_u16::return#7 = phi( abs_u16::@1/abs_u16::return#2, abs_u16::@2/abs_u16::return#3 )
  abs_u16::return#4 = abs_u16::return#7
  return 
  to:@return

unsigned int sgn_u16(unsigned int w)
sgn_u16: scope:[sgn_u16]  from bitmap_line::@1 bitmap_line::@14
  sgn_u16::w#2 = phi( bitmap_line::@1/sgn_u16::w#0, bitmap_line::@14/sgn_u16::w#1 )
  sgn_u16::$0 = byte1  sgn_u16::w#2
  sgn_u16::$1 = sgn_u16::$0 & $80
  sgn_u16::$2 = 0 != sgn_u16::$1
  if(sgn_u16::$2) goto sgn_u16::@1
  to:sgn_u16::@2
sgn_u16::@1: scope:[sgn_u16]  from sgn_u16
  sgn_u16::return#2 = -1
  to:sgn_u16::@return
sgn_u16::@2: scope:[sgn_u16]  from sgn_u16
  sgn_u16::return#3 = 1
  to:sgn_u16::@return
sgn_u16::@return: scope:[sgn_u16]  from sgn_u16::@1 sgn_u16::@2
  sgn_u16::return#7 = phi( sgn_u16::@1/sgn_u16::return#2, sgn_u16::@2/sgn_u16::return#3 )
  sgn_u16::return#4 = sgn_u16::return#7
  return 
  to:@return

void main()
main: scope:[main]  from __start::@1
  bitmap_screen#14 = phi( __start::@1/bitmap_screen#16 )
  bitmap_gfx#15 = phi( __start::@1/bitmap_gfx#17 )
  *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BORDER_COLOR) = 0
  *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BG_COLOR) = 0
  *D011 = VICII_BMM|VICII_DEN|VICII_RSEL|3
  *VICII_MEMORY = (char)(unsigned int)SCREEN&$3fff/$40|(unsigned int)BITMAP&$3fff/$400
  bitmap_init::gfx#0 = BITMAP
  bitmap_init::screen#0 = SCREEN
  call bitmap_init
  to:main::@2
main::@2: scope:[main]  from main
  bitmap_screen#9 = phi( main/bitmap_screen#1 )
  bitmap_gfx#9 = phi( main/bitmap_gfx#1 )
  bitmap_gfx#2 = bitmap_gfx#9
  bitmap_screen#2 = bitmap_screen#9
  bitmap_clear::bgcol#0 = BLACK
  bitmap_clear::fgcol#0 = WHITE
  call bitmap_clear
  to:main::@3
main::@3: scope:[main]  from main::@2
  bitmap_screen#23 = phi( main::@2/bitmap_screen#2 )
  bitmap_gfx#24 = phi( main::@2/bitmap_gfx#2 )
  call init_screen
  to:main::@4
main::@4: scope:[main]  from main::@3
  bitmap_screen#21 = phi( main::@3/bitmap_screen#23 )
  bitmap_gfx#22 = phi( main::@3/bitmap_gfx#24 )
  to:main::@1
main::@1: scope:[main]  from main::@4 main::@5
  bitmap_screen#19 = phi( main::@4/bitmap_screen#21, main::@5/bitmap_screen#15 )
  bitmap_gfx#20 = phi( main::@4/bitmap_gfx#22, main::@5/bitmap_gfx#16 )
  call lines
  to:main::@5
main::@5: scope:[main]  from main::@1
  bitmap_screen#15 = phi( main::@1/bitmap_screen#19 )
  bitmap_gfx#16 = phi( main::@1/bitmap_gfx#20 )
  if(true) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@5
  bitmap_screen#10 = phi( main::@5/bitmap_screen#15 )
  bitmap_gfx#10 = phi( main::@5/bitmap_gfx#16 )
  bitmap_gfx#3 = bitmap_gfx#10
  bitmap_screen#3 = bitmap_screen#10
  return 
  to:@return

void lines()
lines: scope:[lines]  from main::@1
  lines::l#0 = 0
  to:lines::@1
lines::@1: scope:[lines]  from lines lines::@3
  lines::l#2 = phi( lines/lines::l#0, lines::@3/lines::l#1 )
  lines::$0 = lines::l#2 < LINES
  if(lines::$0) goto lines::@2
  to:lines::@return
lines::@2: scope:[lines]  from lines::@1
  lines::l#3 = phi( lines::@1/lines::l#2 )
  lines::$1 = lines::l#3 + 1
  lines::$2 = lines::l#3 + 1
  bitmap_line::x1#0 = lines_x[lines::l#3]
  bitmap_line::y1#0 = lines_y[lines::l#3]
  bitmap_line::x2#0 = lines_x[lines::$1]
  bitmap_line::y2#0 = lines_y[lines::$2]
  call bitmap_line
  to:lines::@3
lines::@3: scope:[lines]  from lines::@2
  lines::l#4 = phi( lines::@2/lines::l#3 )
  lines::l#1 = ++ lines::l#4
  to:lines::@1
lines::@return: scope:[lines]  from lines::@1
  return 
  to:@return

void init_screen()
init_screen: scope:[init_screen]  from main::@3
  init_screen::c#0 = SCREEN
  to:init_screen::@1
init_screen::@1: scope:[init_screen]  from init_screen init_screen::@2
  init_screen::c#2 = phi( init_screen/init_screen::c#0, init_screen::@2/init_screen::c#1 )
  init_screen::$0 = init_screen::c#2 != SCREEN+$400
  if(init_screen::$0) goto init_screen::@2
  to:init_screen::@return
init_screen::@2: scope:[init_screen]  from init_screen::@1
  init_screen::c#3 = phi( init_screen::@1/init_screen::c#2 )
  *init_screen::c#3 = $14
  init_screen::c#1 = ++ init_screen::c#3
  to:init_screen::@1
init_screen::@return: scope:[init_screen]  from init_screen::@1
  return 
  to:@return

void __start()
__start: scope:[__start]  from
  to:__start::__init1
__start::__init1: scope:[__start]  from __start
  bitmap_screen#4 = (char *) 0
  bitmap_gfx#4 = (char *) 0
  to:__start::@1
__start::@1: scope:[__start]  from __start::__init1
  bitmap_screen#16 = phi( __start::__init1/bitmap_screen#4 )
  bitmap_gfx#17 = phi( __start::__init1/bitmap_gfx#4 )
  call main
  to:__start::@2
__start::@2: scope:[__start]  from __start::@1
  bitmap_screen#11 = phi( __start::@1/bitmap_screen#3 )
  bitmap_gfx#11 = phi( __start::@1/bitmap_gfx#3 )
  bitmap_gfx#5 = bitmap_gfx#11
  bitmap_screen#5 = bitmap_screen#11
  to:__start::@return
__start::@return: scope:[__start]  from __start::@2
  bitmap_gfx#12 = phi( __start::@2/bitmap_gfx#5 )
  bitmap_screen#12 = phi( __start::@2/bitmap_screen#5 )
  bitmap_screen#6 = bitmap_screen#12
  bitmap_gfx#6 = bitmap_gfx#12
  return 
  to:@return

SYMBOL TABLE SSA
__constant char * const BITMAP = (char *)$2000
__constant const char BLACK = 0
__constant char * const D011 = (char *)$d011
__constant const char LINES = 8
__constant char OFFSET_STRUCT_MOS6569_VICII_BG_COLOR = $21
__constant char OFFSET_STRUCT_MOS6569_VICII_BORDER_COLOR = $20
__constant char * const SCREEN = (char *)$400
__constant struct MOS6569_VICII * const VICII = (struct MOS6569_VICII *)$d000
__constant const char VICII_BMM = $20
__constant const char VICII_DEN = $10
__constant char * const VICII_MEMORY = (char *)$d018
__constant const char VICII_RSEL = 8
__constant const char WHITE = 1
void __start()
unsigned int abs_u16(unsigned int w)
char abs_u16::$0
number abs_u16::$1
unsigned int abs_u16::$2
bool abs_u16::$3
unsigned int abs_u16::return
unsigned int abs_u16::return#0
unsigned int abs_u16::return#1
unsigned int abs_u16::return#2
unsigned int abs_u16::return#3
unsigned int abs_u16::return#4
unsigned int abs_u16::return#5
unsigned int abs_u16::return#6
unsigned int abs_u16::return#7
unsigned int abs_u16::w
unsigned int abs_u16::w#0
unsigned int abs_u16::w#1
unsigned int abs_u16::w#2
unsigned int abs_u16::w#3
unsigned int abs_u16::w#4
void bitmap_clear(char bgcol , char fgcol)
number bitmap_clear::$0
char bitmap_clear::bgcol
char bitmap_clear::bgcol#0
char bitmap_clear::bgcol#1
char bitmap_clear::col
char bitmap_clear::col#0
char bitmap_clear::fgcol
char bitmap_clear::fgcol#0
char bitmap_clear::fgcol#1
char *bitmap_gfx
char *bitmap_gfx#0
char *bitmap_gfx#1
char *bitmap_gfx#10
char *bitmap_gfx#11
char *bitmap_gfx#12
char *bitmap_gfx#13
char *bitmap_gfx#14
char *bitmap_gfx#15
char *bitmap_gfx#16
char *bitmap_gfx#17
char *bitmap_gfx#18
char *bitmap_gfx#19
char *bitmap_gfx#2
char *bitmap_gfx#20
char *bitmap_gfx#21
char *bitmap_gfx#22
char *bitmap_gfx#23
char *bitmap_gfx#24
char *bitmap_gfx#25
char *bitmap_gfx#26
char *bitmap_gfx#3
char *bitmap_gfx#4
char *bitmap_gfx#5
char *bitmap_gfx#6
char *bitmap_gfx#7
char *bitmap_gfx#8
char *bitmap_gfx#9
void bitmap_init(char *gfx , char *screen)
bool bitmap_init::$0
bool bitmap_init::$1
char *bitmap_init::$10
bool bitmap_init::$11
bool bitmap_init::$2
number bitmap_init::$3
char bitmap_init::$4
number bitmap_init::$5
char bitmap_init::$6
number bitmap_init::$7
bool bitmap_init::$8
bool bitmap_init::$9
char bitmap_init::bits
char bitmap_init::bits#0
char bitmap_init::bits#1
char bitmap_init::bits#2
char bitmap_init::bits#3
char bitmap_init::bits#4
char *bitmap_init::gfx
char *bitmap_init::gfx#0
char *bitmap_init::gfx#1
char *bitmap_init::gfx#2
char *bitmap_init::gfx#3
char *bitmap_init::gfx#4
char *bitmap_init::gfx#5
char *bitmap_init::screen
char *bitmap_init::screen#0
char *bitmap_init::screen#1
char bitmap_init::x
char bitmap_init::x#0
char bitmap_init::x#1
char bitmap_init::x#2
char bitmap_init::x#3
char bitmap_init::x#4
char bitmap_init::y
char bitmap_init::y#0
char bitmap_init::y#1
char bitmap_init::y#2
char bitmap_init::y#3
char bitmap_init::y#4
char *bitmap_init::yoffs
char *bitmap_init::yoffs#0
char *bitmap_init::yoffs#1
char *bitmap_init::yoffs#2
char *bitmap_init::yoffs#3
char *bitmap_init::yoffs#4
void bitmap_line(unsigned int x1 , unsigned int y1 , unsigned int x2 , unsigned int y2)
unsigned int bitmap_line::$0
unsigned int bitmap_line::$10
bool bitmap_line::$12
bool bitmap_line::$17
bool bitmap_line::$18
bool bitmap_line::$19
unsigned int bitmap_line::$2
bool bitmap_line::$22
bool bitmap_line::$23
bool bitmap_line::$24
bool bitmap_line::$4
bool bitmap_line::$5
bool bitmap_line::$6
bool bitmap_line::$7
unsigned int bitmap_line::$8
unsigned int bitmap_line::dx
unsigned int bitmap_line::dx#0
unsigned int bitmap_line::dx#1
unsigned int bitmap_line::dx#10
unsigned int bitmap_line::dx#11
unsigned int bitmap_line::dx#12
unsigned int bitmap_line::dx#13
unsigned int bitmap_line::dx#14
unsigned int bitmap_line::dx#2
unsigned int bitmap_line::dx#3
unsigned int bitmap_line::dx#4
unsigned int bitmap_line::dx#5
unsigned int bitmap_line::dx#6
unsigned int bitmap_line::dx#7
unsigned int bitmap_line::dx#8
unsigned int bitmap_line::dx#9
unsigned int bitmap_line::dy
unsigned int bitmap_line::dy#0
unsigned int bitmap_line::dy#1
unsigned int bitmap_line::dy#10
unsigned int bitmap_line::dy#11
unsigned int bitmap_line::dy#12
unsigned int bitmap_line::dy#13
unsigned int bitmap_line::dy#2
unsigned int bitmap_line::dy#3
unsigned int bitmap_line::dy#4
unsigned int bitmap_line::dy#5
unsigned int bitmap_line::dy#6
unsigned int bitmap_line::dy#7
unsigned int bitmap_line::dy#8
unsigned int bitmap_line::dy#9
unsigned int bitmap_line::e
unsigned int bitmap_line::e#0
unsigned int bitmap_line::e#1
unsigned int bitmap_line::e#2
unsigned int bitmap_line::e#3
unsigned int bitmap_line::e#4
unsigned int bitmap_line::e#5
unsigned int bitmap_line::e#6
unsigned int bitmap_line::e1
unsigned int bitmap_line::e1#0
unsigned int bitmap_line::e1#1
unsigned int bitmap_line::e1#2
unsigned int bitmap_line::e1#3
unsigned int bitmap_line::e1#4
unsigned int bitmap_line::e1#5
unsigned int bitmap_line::e1#6
unsigned int bitmap_line::sx
unsigned int bitmap_line::sx#0
unsigned int bitmap_line::sx#1
unsigned int bitmap_line::sx#10
unsigned int bitmap_line::sx#11
unsigned int bitmap_line::sx#2
unsigned int bitmap_line::sx#3
unsigned int bitmap_line::sx#4
unsigned int bitmap_line::sx#5
unsigned int bitmap_line::sx#6
unsigned int bitmap_line::sx#7
unsigned int bitmap_line::sx#8
unsigned int bitmap_line::sx#9
unsigned int bitmap_line::sy
unsigned int bitmap_line::sy#0
unsigned int bitmap_line::sy#1
unsigned int bitmap_line::sy#10
unsigned int bitmap_line::sy#2
unsigned int bitmap_line::sy#3
unsigned int bitmap_line::sy#4
unsigned int bitmap_line::sy#5
unsigned int bitmap_line::sy#6
unsigned int bitmap_line::sy#7
unsigned int bitmap_line::sy#8
unsigned int bitmap_line::sy#9
unsigned int bitmap_line::x
unsigned int bitmap_line::x#0
unsigned int bitmap_line::x#1
unsigned int bitmap_line::x#10
unsigned int bitmap_line::x#11
unsigned int bitmap_line::x#12
unsigned int bitmap_line::x#13
unsigned int bitmap_line::x#14
unsigned int bitmap_line::x#15
unsigned int bitmap_line::x#16
unsigned int bitmap_line::x#17
unsigned int bitmap_line::x#18
unsigned int bitmap_line::x#19
unsigned int bitmap_line::x#2
unsigned int bitmap_line::x#3
unsigned int bitmap_line::x#4
unsigned int bitmap_line::x#5
unsigned int bitmap_line::x#6
unsigned int bitmap_line::x#7
unsigned int bitmap_line::x#8
unsigned int bitmap_line::x#9
unsigned int bitmap_line::x1
unsigned int bitmap_line::x1#0
unsigned int bitmap_line::x1#1
unsigned int bitmap_line::x1#2
unsigned int bitmap_line::x1#3
unsigned int bitmap_line::x1#4
unsigned int bitmap_line::x2
unsigned int bitmap_line::x2#0
unsigned int bitmap_line::x2#1
unsigned int bitmap_line::x2#10
unsigned int bitmap_line::x2#11
unsigned int bitmap_line::x2#2
unsigned int bitmap_line::x2#3
unsigned int bitmap_line::x2#4
unsigned int bitmap_line::x2#5
unsigned int bitmap_line::x2#6
unsigned int bitmap_line::x2#7
unsigned int bitmap_line::x2#8
unsigned int bitmap_line::x2#9
unsigned int bitmap_line::y
unsigned int bitmap_line::y#0
unsigned int bitmap_line::y#1
unsigned int bitmap_line::y#10
unsigned int bitmap_line::y#11
unsigned int bitmap_line::y#12
unsigned int bitmap_line::y#13
unsigned int bitmap_line::y#14
unsigned int bitmap_line::y#15
unsigned int bitmap_line::y#16
unsigned int bitmap_line::y#17
unsigned int bitmap_line::y#18
unsigned int bitmap_line::y#19
unsigned int bitmap_line::y#2
unsigned int bitmap_line::y#3
unsigned int bitmap_line::y#4
unsigned int bitmap_line::y#5
unsigned int bitmap_line::y#6
unsigned int bitmap_line::y#7
unsigned int bitmap_line::y#8
unsigned int bitmap_line::y#9
unsigned int bitmap_line::y1
unsigned int bitmap_line::y1#0
unsigned int bitmap_line::y1#1
unsigned int bitmap_line::y1#2
unsigned int bitmap_line::y1#3
unsigned int bitmap_line::y1#4
unsigned int bitmap_line::y1#5
unsigned int bitmap_line::y2
unsigned int bitmap_line::y2#0
unsigned int bitmap_line::y2#1
unsigned int bitmap_line::y2#10
unsigned int bitmap_line::y2#11
unsigned int bitmap_line::y2#2
unsigned int bitmap_line::y2#3
unsigned int bitmap_line::y2#4
unsigned int bitmap_line::y2#5
unsigned int bitmap_line::y2#6
unsigned int bitmap_line::y2#7
unsigned int bitmap_line::y2#8
unsigned int bitmap_line::y2#9
void bitmap_plot(unsigned int x , char y)
unsigned int bitmap_plot::$0
number bitmap_plot::$1
char bitmap_plot::$2
char *bitmap_plot::plotter
char *bitmap_plot::plotter#0
char *bitmap_plot::plotter#1
unsigned int bitmap_plot::x
unsigned int bitmap_plot::x#0
unsigned int bitmap_plot::x#1
unsigned int bitmap_plot::x#2
unsigned int bitmap_plot::x#3
unsigned int bitmap_plot::x#4
char bitmap_plot::y
char bitmap_plot::y#0
char bitmap_plot::y#1
char bitmap_plot::y#2
char bitmap_plot::y#3
char bitmap_plot::y#4
__constant const char bitmap_plot_bit[$100] = { fill( $100, 0) }
__constant const char bitmap_plot_yhi[$100] = { fill( $100, 0) }
__constant const char bitmap_plot_ylo[$100] = { fill( $100, 0) }
char *bitmap_screen
char *bitmap_screen#0
char *bitmap_screen#1
char *bitmap_screen#10
char *bitmap_screen#11
char *bitmap_screen#12
char *bitmap_screen#13
char *bitmap_screen#14
char *bitmap_screen#15
char *bitmap_screen#16
char *bitmap_screen#17
char *bitmap_screen#18
char *bitmap_screen#19
char *bitmap_screen#2
char *bitmap_screen#20
char *bitmap_screen#21
char *bitmap_screen#22
char *bitmap_screen#23
char *bitmap_screen#24
char *bitmap_screen#25
char *bitmap_screen#3
char *bitmap_screen#4
char *bitmap_screen#5
char *bitmap_screen#6
char *bitmap_screen#7
char *bitmap_screen#8
char *bitmap_screen#9
void init_screen()
bool init_screen::$0
char *init_screen::c
char *init_screen::c#0
char *init_screen::c#1
char *init_screen::c#2
char *init_screen::c#3
void lines()
bool lines::$0
number lines::$1
number lines::$2
char lines::l
char lines::l#0
char lines::l#1
char lines::l#2
char lines::l#3
char lines::l#4
__constant char lines_x[LINES+1] = { $3c, $50, $6e, $50, $3c, $28, $a, $28, $3c }
__constant char lines_y[LINES+1] = { $a, $28, $3c, $50, $6e, $50, $3c, $28, $a }
void main()
void * memset(void *str , char c , unsigned int num)
bool memset::$0
bool memset::$1
bool memset::$3
char *memset::$4
char memset::c
char memset::c#0
char memset::c#1
char memset::c#2
char memset::c#3
char memset::c#4
char memset::c#5
char *memset::dst
char *memset::dst#0
char *memset::dst#1
char *memset::dst#2
char *memset::dst#3
char *memset::end
char *memset::end#0
char *memset::end#1
char *memset::end#2
unsigned int memset::num
unsigned int memset::num#0
unsigned int memset::num#1
unsigned int memset::num#2
unsigned int memset::num#3
void *memset::return
void *memset::return#0
void *memset::return#1
void *memset::return#2
void *memset::return#3
void *memset::return#4
void *memset::str
void *memset::str#0
void *memset::str#1
void *memset::str#2
void *memset::str#3
void *memset::str#4
void *memset::str#5
void *memset::str#6
unsigned int sgn_u16(unsigned int w)
char sgn_u16::$0
number sgn_u16::$1
bool sgn_u16::$2
unsigned int sgn_u16::return
unsigned int sgn_u16::return#0
unsigned int sgn_u16::return#1
unsigned int sgn_u16::return#2
unsigned int sgn_u16::return#3
unsigned int sgn_u16::return#4
unsigned int sgn_u16::return#5
unsigned int sgn_u16::return#6
unsigned int sgn_u16::return#7
unsigned int sgn_u16::w
unsigned int sgn_u16::w#0
unsigned int sgn_u16::w#1
unsigned int sgn_u16::w#2

Adding number conversion cast (unumber) 1 in 
Adding number conversion cast (unumber) 1 in 
Adding number conversion cast (unumber) 1 in bitmap_init::bits#1 = bitmap_init::bits#3 >> 1
Adding number conversion cast (unumber) 0 in bitmap_init::$0 = bitmap_init::bits#1 == 0
Adding number conversion cast (unumber) $80 in bitmap_init::bits#2 = $80
Adding number conversion cast (unumber) 7 in bitmap_init::$3 = bitmap_init::y#2 & 7
Adding number conversion cast (unumber) bitmap_init::$3 in bitmap_init::$3 = bitmap_init::y#2 & (unumber)7
Adding number conversion cast (unumber) bitmap_init::$5 in bitmap_init::$5 = bitmap_init::$3 | bitmap_init::$4
Adding number conversion cast (unumber) 7 in bitmap_init::$7 = bitmap_init::y#2 & 7
Adding number conversion cast (unumber) bitmap_init::$7 in bitmap_init::$7 = bitmap_init::y#2 & (unumber)7
Adding number conversion cast (unumber) 7 in bitmap_init::$8 = bitmap_init::$7 == 7
Adding number conversion cast (unumber) $28*8 in bitmap_init::$10 = bitmap_init::yoffs#3 + $28*8
Adding number conversion cast (unumber) $10 in bitmap_clear::$0 = bitmap_clear::fgcol#1 * $10
Adding number conversion cast (unumber) bitmap_clear::$0 in bitmap_clear::$0 = bitmap_clear::fgcol#1 * (unumber)$10
Adding number conversion cast (unumber) 0 in memset::c#1 = 0
Adding number conversion cast (unumber) $fff8 in bitmap_plot::$1 = bitmap_plot::x#4 & $fff8
Adding number conversion cast (unumber) bitmap_plot::$1 in bitmap_plot::$1 = bitmap_plot::x#4 & (unumber)$fff8
Adding number conversion cast (unumber) 0 in bitmap_line::$4 = bitmap_line::dx#1 == 0
Adding number conversion cast (unumber) 0 in bitmap_line::$5 = bitmap_line::dy#0 == 0
Adding number conversion cast (unumber) 2 in bitmap_line::e1#0 = bitmap_line::dy#2 / 2
Adding number conversion cast (unumber) 2 in bitmap_line::e#0 = bitmap_line::dx#3 / 2
Adding number conversion cast (unumber) 0 in memset::$0 = memset::num#2 > 0
Adding number conversion cast (unumber) $80 in abs_u16::$1 = abs_u16::$0 & $80
Adding number conversion cast (unumber) abs_u16::$1 in abs_u16::$1 = abs_u16::$0 & (unumber)$80
Adding number conversion cast (unumber) 0 in abs_u16::$3 = 0 != abs_u16::$1
Adding number conversion cast (unumber) $80 in sgn_u16::$1 = sgn_u16::$0 & $80
Adding number conversion cast (unumber) sgn_u16::$1 in sgn_u16::$1 = sgn_u16::$0 & (unumber)$80
Adding number conversion cast (unumber) 0 in sgn_u16::$2 = 0 != sgn_u16::$1
Adding number conversion cast (unumber) -1 in sgn_u16::return#2 = -1
Adding number conversion cast (unumber) 1 in sgn_u16::return#3 = 1
Adding number conversion cast (unumber) 0 in *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BORDER_COLOR) = 0
Adding number conversion cast (unumber) 0 in *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BG_COLOR) = 0
Adding number conversion cast (unumber) VICII_BMM|VICII_DEN|VICII_RSEL|3 in *D011 = VICII_BMM|VICII_DEN|VICII_RSEL|3
Adding number conversion cast (unumber) 3 in *D011 = ((unumber)) VICII_BMM|VICII_DEN|VICII_RSEL|3
Adding number conversion cast (unumber) $3fff in *VICII_MEMORY = (char)(unsigned int)SCREEN&$3fff/$40|(unsigned int)BITMAP&$3fff/$400
Adding number conversion cast (unumber) $3fff in *VICII_MEMORY = (char)(unsigned int)SCREEN&(unumber)$3fff/$40|(unsigned int)BITMAP&$3fff/$400
Adding number conversion cast (unumber) 1 in lines::$1 = lines::l#3 + 1
Adding number conversion cast (unumber) lines::$1 in lines::$1 = lines::l#3 + (unumber)1
Adding number conversion cast (unumber) 1 in lines::$2 = lines::l#3 + 1
Adding number conversion cast (unumber) lines::$2 in lines::$2 = lines::l#3 + (unumber)1
Adding number conversion cast (unumber) $400 in init_screen::$0 = init_screen::c#2 != SCREEN+$400
Adding number conversion cast (unumber) $14 in *init_screen::c#3 = $14
Successful SSA optimization PassNAddNumberTypeConversions
Adding number conversion cast (unumber) $40 in *VICII_MEMORY = (char)(unsigned int)SCREEN&(unumber)$3fff/$40|(unsigned int)BITMAP&(unumber)$3fff/$400
Adding number conversion cast (unumber) $400 in *VICII_MEMORY = (char)(unsigned int)SCREEN&(unumber)$3fff/(unumber)$40|(unsigned int)BITMAP&(unumber)$3fff/$400
Successful SSA optimization PassNAddNumberTypeConversions
Inlining cast bitmap_init::bits#2 = (unumber)$80
Inlining cast memset::c#1 = (unumber)0
Inlining cast memset::dst#0 = (char *)memset::str#3
Inlining cast sgn_u16::return#2 = (unumber)-1
Inlining cast sgn_u16::return#3 = (unumber)1
Inlining cast *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BORDER_COLOR) = (unumber)0
Inlining cast *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BG_COLOR) = (unumber)0
Inlining cast *D011 = (unumber)VICII_BMM|VICII_DEN|VICII_RSEL|(unumber)3
Inlining cast *init_screen::c#3 = (unumber)$14
Successful SSA optimization Pass2InlineCast
Simplifying constant pointer cast (char *) 53265
Simplifying constant pointer cast (char *) 53272
Simplifying constant pointer cast (struct MOS6569_VICII *) 53248
Simplifying constant pointer cast (char *) 1024
Simplifying constant pointer cast (char *) 8192
Simplifying constant integer cast 1
Simplifying constant integer cast 1
Simplifying constant integer cast 1
Simplifying constant integer cast 0
Simplifying constant integer cast $80
Simplifying constant integer cast 7
Simplifying constant integer cast 7
Simplifying constant integer cast 7
Simplifying constant integer cast $10
Simplifying constant integer cast 0
Simplifying constant integer cast $fff8
Simplifying constant integer cast 0
Simplifying constant integer cast 0
Simplifying constant integer cast 2
Simplifying constant integer cast 2
Simplifying constant integer cast 0
Simplifying constant integer cast $80
Simplifying constant integer cast 0
Simplifying constant integer cast $80
Simplifying constant integer cast 0
Simplifying constant integer cast -1
Simplifying constant integer cast 1
Simplifying constant integer cast 0
Simplifying constant integer cast 0
Simplifying constant integer cast VICII_BMM|VICII_DEN|VICII_RSEL|(unumber)3
Simplifying constant integer cast 3
Simplifying constant integer cast $3fff
Simplifying constant integer cast $40
Simplifying constant integer cast $3fff
Simplifying constant integer cast $400
Simplifying constant integer cast 1
Simplifying constant integer cast 1
Simplifying constant integer cast $400
Simplifying constant integer cast $14
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (char) 1
Finalized unsigned number type (char) 1
Finalized unsigned number type (char) 1
Finalized unsigned number type (char) 0
Finalized unsigned number type (char) $80
Finalized unsigned number type (char) 7
Finalized unsigned number type (char) 7
Finalized unsigned number type (char) 7
Finalized unsigned number type (char) $10
Finalized unsigned number type (char) 0
Finalized unsigned number type (unsigned int) $fff8
Finalized unsigned number type (char) 0
Finalized unsigned number type (char) 0
Finalized unsigned number type (char) 2
Finalized unsigned number type (char) 2
Finalized unsigned number type (char) 0
Finalized unsigned number type (char) $80
Finalized unsigned number type (char) 0
Finalized unsigned number type (char) $80
Finalized unsigned number type (char) 0
Finalized unsigned number type (char) -1
Finalized unsigned number type (char) 1
Finalized unsigned number type (char) 0
Finalized unsigned number type (char) 0
Finalized unsigned number type (char) 3
Finalized unsigned number type (unsigned int) $3fff
Finalized unsigned number type (char) $40
Finalized unsigned number type (unsigned int) $3fff
Finalized unsigned number type (unsigned int) $400
Finalized unsigned number type (char) 1
Finalized unsigned number type (char) 1
Finalized unsigned number type (unsigned int) $400
Finalized unsigned number type (char) $14
Successful SSA optimization PassNFinalizeNumberTypeConversions
Inferred type updated to char in bitmap_init::$3 = bitmap_init::y#2 & 7
Inferred type updated to char in bitmap_init::$5 = bitmap_init::$3 | bitmap_init::$4
Inferred type updated to char in bitmap_init::$7 = bitmap_init::y#2 & 7
Inferred type updated to char in bitmap_clear::$0 = bitmap_clear::fgcol#1 * $10
Inferred type updated to unsigned int in bitmap_plot::$1 = bitmap_plot::x#4 & $fff8
Inferred type updated to char in abs_u16::$1 = abs_u16::$0 & $80
Inferred type updated to char in sgn_u16::$1 = sgn_u16::$0 & $80
Inferred type updated to char in lines::$1 = lines::l#3 + 1
Inferred type updated to char in lines::$2 = lines::l#3 + 1
Inversing boolean not [9] bitmap_init::$1 = bitmap_init::bits#1 != 0 from [8] bitmap_init::$0 = bitmap_init::bits#1 == 0
Inversing boolean not [29] bitmap_init::$9 = bitmap_init::$7 != 7 from [28] bitmap_init::$8 = bitmap_init::$7 == 7
Inversing boolean not [117] bitmap_line::$18 = bitmap_line::dy#3 >= bitmap_line::e#1 from [116] bitmap_line::$17 = bitmap_line::dy#3 < bitmap_line::e#1
Inversing boolean not [137] bitmap_line::$23 = bitmap_line::dx#5 >= bitmap_line::e1#1 from [136] bitmap_line::$22 = bitmap_line::dx#5 < bitmap_line::e1#1
Inversing boolean not [147] memset::$1 = memset::num#2 <= 0 from [146] memset::$0 = memset::num#2 > 0
Successful SSA optimization Pass2UnaryNotSimplification
Alias bitmap_init::x#2 = bitmap_init::x#4 
Alias bitmap_init::gfx#4 = bitmap_init::gfx#5 
Alias bitmap_gfx#25 = bitmap_gfx#26 
Alias bitmap_screen#24 = bitmap_screen#25 
Alias bitmap_init::gfx#2 = bitmap_init::gfx#3 bitmap_init::yoffs#0 
Alias bitmap_gfx#21 = bitmap_gfx#23 
Alias bitmap_screen#20 = bitmap_screen#22 
Alias bitmap_init::yoffs#2 = bitmap_init::yoffs#3 
Alias bitmap_init::y#2 = bitmap_init::y#4 
Alias bitmap_gfx#18 = bitmap_gfx#19 
Alias bitmap_screen#17 = bitmap_screen#18 
Alias bitmap_init::yoffs#1 = bitmap_init::$10 
Alias bitmap_gfx#1 = bitmap_gfx#7 bitmap_gfx#13 
Alias bitmap_screen#1 = bitmap_screen#7 bitmap_screen#13 
Alias bitmap_gfx#14 = bitmap_gfx#8 
Alias bitmap_line::x#0 = bitmap_line::x1#1 bitmap_line::x1#4 bitmap_line::x#16 bitmap_line::x1#3 bitmap_line::x#10 bitmap_line::x1#2 bitmap_line::x#19 bitmap_line::x#18 bitmap_line::x#17 bitmap_line::x#3 bitmap_line::x#14 bitmap_line::x#11 
Alias bitmap_line::y#0 = bitmap_line::y1#1 bitmap_line::y1#2 bitmap_line::y#16 bitmap_line::y#10 bitmap_line::y1#5 bitmap_line::y1#4 bitmap_line::y#19 bitmap_line::y1#3 bitmap_line::y#18 bitmap_line::y#17 bitmap_line::y#3 bitmap_line::y#14 bitmap_line::y#11 
Alias abs_u16::w#0 = bitmap_line::$0 
Alias abs_u16::return#0 = abs_u16::return#5 
Alias bitmap_line::y2#1 = bitmap_line::y2#4 bitmap_line::y2#8 bitmap_line::y2#5 bitmap_line::y2#2 bitmap_line::y2#11 bitmap_line::y2#10 
Alias bitmap_line::x2#1 = bitmap_line::x2#7 bitmap_line::x2#4 bitmap_line::x2#2 bitmap_line::x2#11 bitmap_line::x2#10 bitmap_line::x2#9 
Alias abs_u16::w#1 = bitmap_line::$2 
Alias abs_u16::return#1 = abs_u16::return#6 
Alias bitmap_line::dx#0 = bitmap_line::dx#1 bitmap_line::dx#10 bitmap_line::dx#7 bitmap_line::dx#2 bitmap_line::dx#13 bitmap_line::dx#3 
Alias bitmap_line::dy#0 = bitmap_line::dy#9 bitmap_line::dy#6 bitmap_line::dy#1 bitmap_line::dy#2 bitmap_line::dy#10 
Alias sgn_u16::w#0 = bitmap_line::$8 
Alias sgn_u16::return#0 = sgn_u16::return#5 
Alias sgn_u16::w#1 = bitmap_line::$10 
Alias sgn_u16::return#1 = sgn_u16::return#6 
Alias bitmap_line::sx#0 = bitmap_line::sx#8 bitmap_line::sx#7 bitmap_line::sx#9 
Alias bitmap_line::sy#0 = bitmap_line::sy#10 bitmap_line::sy#5 
Alias bitmap_line::y#4 = bitmap_line::y#5 
Alias bitmap_line::sy#1 = bitmap_line::sy#3 bitmap_line::sy#8 
Alias bitmap_line::e#3 = bitmap_line::e#5 
Alias bitmap_line::dx#14 = bitmap_line::dx#4 bitmap_line::dx#8 
Alias bitmap_line::dy#3 = bitmap_line::dy#7 bitmap_line::dy#4 
Alias bitmap_line::y2#6 = bitmap_line::y2#9 bitmap_line::y2#7 
Alias bitmap_line::x#13 = bitmap_line::x#4 bitmap_line::x#5 
Alias bitmap_line::sx#1 = bitmap_line::sx#3 bitmap_line::sx#5 
Alias bitmap_line::e#1 = bitmap_line::e#4 
Alias bitmap_line::y#1 = bitmap_line::y#12 
Alias bitmap_line::x#7 = bitmap_line::x#8 
Alias bitmap_line::sx#11 = bitmap_line::sx#2 bitmap_line::sx#4 
Alias bitmap_line::e1#3 = bitmap_line::e1#5 
Alias bitmap_line::dy#13 = bitmap_line::dy#5 bitmap_line::dy#8 
Alias bitmap_line::dx#5 = bitmap_line::dx#9 bitmap_line::dx#6 
Alias bitmap_line::x2#5 = bitmap_line::x2#6 bitmap_line::x2#8 
Alias bitmap_line::y#15 = bitmap_line::y#8 bitmap_line::y#9 
Alias bitmap_line::sy#2 = bitmap_line::sy#4 bitmap_line::sy#7 
Alias bitmap_line::e1#1 = bitmap_line::e1#4 
Alias bitmap_line::x#15 = bitmap_line::x#2 
Alias memset::return#2 = memset::str#2 memset::return#4 memset::return#3 
Alias memset::str#3 = memset::str#4 
Alias memset::num#2 = memset::num#3 
Alias memset::c#4 = memset::c#5 
Alias memset::c#2 = memset::c#3 
Alias memset::dst#2 = memset::dst#3 
Alias memset::end#1 = memset::end#2 
Alias memset::str#5 = memset::str#6 
Alias abs_u16::w#2 = abs_u16::w#3 abs_u16::w#4 abs_u16::return#3 
Alias abs_u16::return#2 = abs_u16::$2 
Alias abs_u16::return#4 = abs_u16::return#7 
Alias sgn_u16::return#4 = sgn_u16::return#7 
Alias bitmap_gfx#2 = bitmap_gfx#9 bitmap_gfx#24 bitmap_gfx#22 
Alias bitmap_screen#2 = bitmap_screen#9 bitmap_screen#23 bitmap_screen#21 
Alias bitmap_gfx#10 = bitmap_gfx#16 bitmap_gfx#20 bitmap_gfx#3 
Alias bitmap_screen#10 = bitmap_screen#15 bitmap_screen#19 bitmap_screen#3 
Alias lines::l#2 = lines::l#3 lines::l#4 
Alias init_screen::c#2 = init_screen::c#3 
Alias bitmap_gfx#17 = bitmap_gfx#4 
Alias bitmap_screen#16 = bitmap_screen#4 
Alias bitmap_gfx#11 = bitmap_gfx#5 bitmap_gfx#12 bitmap_gfx#6 
Alias bitmap_screen#11 = bitmap_screen#5 bitmap_screen#12 bitmap_screen#6 
Successful SSA optimization Pass2AliasElimination
Alias bitmap_init::x#2 = bitmap_init::x#3 
Alias bitmap_init::gfx#2 = bitmap_init::gfx#4 
Alias bitmap_gfx#21 = bitmap_gfx#25 
Alias bitmap_screen#20 = bitmap_screen#24 
Alias bitmap_init::y#2 = bitmap_init::y#3 
Alias bitmap_gfx#1 = bitmap_gfx#18 
Alias bitmap_screen#1 = bitmap_screen#17 
Alias bitmap_line::y#1 = bitmap_line::y#6 
Alias bitmap_line::y2#3 = bitmap_line::y2#6 
Alias bitmap_line::sy#1 = bitmap_line::sy#6 
Alias bitmap_line::dx#11 = bitmap_line::dx#14 
Alias bitmap_line::dy#11 = bitmap_line::dy#3 
Alias bitmap_line::sx#1 = bitmap_line::sx#10 
Alias bitmap_line::x#15 = bitmap_line::x#9 
Alias bitmap_line::x2#3 = bitmap_line::x2#5 
Alias bitmap_line::sx#11 = bitmap_line::sx#6 
Alias bitmap_line::dy#12 = bitmap_line::dy#13 
Alias bitmap_line::dx#12 = bitmap_line::dx#5 
Alias bitmap_line::sy#2 = bitmap_line::sy#9 
Successful SSA optimization Pass2AliasElimination
Identical Phi Values bitmap_init::gfx#1 bitmap_init::gfx#0
Identical Phi Values bitmap_init::screen#1 bitmap_init::screen#0
Identical Phi Values bitmap_init::gfx#2 bitmap_init::gfx#1
Identical Phi Values bitmap_gfx#21 bitmap_gfx#0
Identical Phi Values bitmap_screen#20 bitmap_screen#0
Identical Phi Values bitmap_gfx#1 bitmap_gfx#21
Identical Phi Values bitmap_screen#1 bitmap_screen#20
Identical Phi Values bitmap_clear::fgcol#1 bitmap_clear::fgcol#0
Identical Phi Values bitmap_clear::bgcol#1 bitmap_clear::bgcol#0
Identical Phi Values bitmap_screen#8 bitmap_screen#2
Identical Phi Values bitmap_gfx#14 bitmap_gfx#2
Identical Phi Values bitmap_line::x#0 bitmap_line::x1#0
Identical Phi Values bitmap_line::y#0 bitmap_line::y1#0
Identical Phi Values bitmap_line::x2#1 bitmap_line::x2#0
Identical Phi Values bitmap_line::y2#1 bitmap_line::y2#0
Identical Phi Values bitmap_line::sy#1 bitmap_line::sy#0
Identical Phi Values bitmap_line::dx#11 bitmap_line::dx#0
Identical Phi Values bitmap_line::dy#11 bitmap_line::dy#0
Identical Phi Values bitmap_line::y2#3 bitmap_line::y2#1
Identical Phi Values bitmap_line::sx#1 bitmap_line::sx#0
Identical Phi Values bitmap_line::sx#11 bitmap_line::sx#0
Identical Phi Values bitmap_line::dy#12 bitmap_line::dy#0
Identical Phi Values bitmap_line::dx#12 bitmap_line::dx#0
Identical Phi Values bitmap_line::x2#3 bitmap_line::x2#1
Identical Phi Values bitmap_line::sy#2 bitmap_line::sy#0
Identical Phi Values memset::end#1 memset::end#0
Identical Phi Values memset::str#5 memset::str#3
Identical Phi Values memset::c#2 memset::c#4
Identical Phi Values bitmap_gfx#15 bitmap_gfx#17
Identical Phi Values bitmap_screen#14 bitmap_screen#16
Identical Phi Values bitmap_gfx#2 bitmap_gfx#1
Identical Phi Values bitmap_screen#2 bitmap_screen#1
Identical Phi Values bitmap_gfx#10 bitmap_gfx#2
Identical Phi Values bitmap_screen#10 bitmap_screen#2
Identical Phi Values bitmap_gfx#11 bitmap_gfx#10
Identical Phi Values bitmap_screen#11 bitmap_screen#10
Successful SSA optimization Pass2IdenticalPhiElimination
Identical Phi Values memset::return#2 memset::str#3
Successful SSA optimization Pass2IdenticalPhiElimination
Identified duplicate assignment right side [27] bitmap_init::$7 = bitmap_init::y#2 & 7
Successful SSA optimization Pass2DuplicateRValueIdentification
Simple Condition bitmap_init::$1 [9] if(bitmap_init::bits#1!=0) goto bitmap_init::@2
Simple Condition bitmap_init::$2 [13] if(bitmap_init::x#1!=rangelast(0,$ff)) goto bitmap_init::@1
Simple Condition bitmap_init::$9 [25] if(bitmap_init::$7!=7) goto bitmap_init::@6
Simple Condition bitmap_init::$11 [29] if(bitmap_init::y#1!=rangelast(0,$ff)) goto bitmap_init::@5
Simple Condition bitmap_line::$12 [77] if(bitmap_line::dx#0>bitmap_line::dy#0) goto bitmap_line::@2
Simple Condition bitmap_line::$18 [91] if(bitmap_line::dy#0>=bitmap_line::e#1) goto bitmap_line::@7
Simple Condition bitmap_line::$19 [94] if(bitmap_line::y#1!=bitmap_line::y2#0) goto bitmap_line::@6
Simple Condition bitmap_line::$23 [108] if(bitmap_line::dx#0>=bitmap_line::e1#1) goto bitmap_line::@10
Simple Condition bitmap_line::$24 [111] if(bitmap_line::x#15!=bitmap_line::x2#0) goto bitmap_line::@9
Simple Condition memset::$1 [116] if(memset::num#2<=0) goto memset::@1
Simple Condition memset::$3 [123] if(memset::dst#2!=memset::end#0) goto memset::@4
Simple Condition abs_u16::$3 [131] if(0!=abs_u16::$1) goto abs_u16::@1
Simple Condition sgn_u16::$2 [139] if(0!=sgn_u16::$1) goto sgn_u16::@1
Simple Condition lines::$0 [164] if(lines::l#2<LINES) goto lines::@2
Simple Condition init_screen::$0 [177] if(init_screen::c#2!=SCREEN+$400) goto init_screen::@2
Successful SSA optimization Pass2ConditionalJumpSimplification
Rewriting ! if()-condition to reversed if() [66] bitmap_line::$7 = ! bitmap_line::$6
Rewriting && if()-condition to two if()s [65] bitmap_line::$6 = bitmap_line::$4 && bitmap_line::$5
Successful SSA optimization Pass2ConditionalAndOrRewriting
Constant bitmap_init::bits#0 = $80
Constant bitmap_init::x#0 = 0
Constant bitmap_init::bits#2 = $80
Constant bitmap_init::y#0 = 0
Constant memset::num#0 = $3e8
Constant memset::c#1 = 0
Constant memset::num#1 = $1f40
Constant sgn_u16::return#2 = -1
Constant sgn_u16::return#3 = 1
Constant bitmap_init::gfx#0 = BITMAP
Constant bitmap_init::screen#0 = SCREEN
Constant bitmap_clear::bgcol#0 = BLACK
Constant bitmap_clear::fgcol#0 = WHITE
Constant lines::l#0 = 0
Constant init_screen::c#0 = SCREEN
Constant bitmap_screen#16 = (char *) 0
Constant bitmap_gfx#17 = (char *) 0
Successful SSA optimization Pass2ConstantIdentification
Constant bitmap_gfx#0 = bitmap_init::gfx#0
Constant bitmap_screen#0 = bitmap_init::screen#0
Successful SSA optimization Pass2ConstantIdentification
Constant memset::str#0 = (void *)bitmap_screen#0
Constant memset::str#1 = (void *)bitmap_gfx#0
Successful SSA optimization Pass2ConstantIdentification
if() condition always true - replacing block destination [159] if(true) goto main::@1
Successful SSA optimization Pass2ConstantIfs
Resolved ranged next value [11] bitmap_init::x#1 = ++ bitmap_init::x#2 to ++
Resolved ranged comparison value [13] if(bitmap_init::x#1!=rangelast(0,$ff)) goto bitmap_init::@1 to 0
Resolved ranged next value [27] bitmap_init::y#1 = ++ bitmap_init::y#2 to ++
Resolved ranged comparison value [29] if(bitmap_init::y#1!=rangelast(0,$ff)) goto bitmap_init::@5 to 0
Simplifying expression containing zero bitmap_clear::$0 in [34] bitmap_clear::col#0 = bitmap_clear::$0 + bitmap_clear::bgcol#0
Successful SSA optimization PassNSimplifyExpressionWithZero
Removing unused block main::@return
Successful SSA optimization Pass2EliminateUnusedBlocks
Eliminating unused variable memset::return#0 and assignment [25] memset::return#0 = memset::str#3
Eliminating unused variable memset::return#1 and assignment [27] memset::return#1 = memset::str#3
Eliminating unused constant bitmap_clear::bgcol#0
Eliminating unused constant bitmap_screen#16
Eliminating unused constant bitmap_gfx#17
Successful SSA optimization PassNEliminateUnusedVars
Eliminating unused constant BLACK
Successful SSA optimization PassNEliminateUnusedVars
Removing unused procedure __start
Removing unused procedure block __start
Removing unused procedure block __start::__init1
Removing unused procedure block __start::@1
Removing unused procedure block __start::@2
Removing unused procedure block __start::@return
Successful SSA optimization PassNEliminateEmptyStart
Adding number conversion cast (unumber) 0 in [6] if(bitmap_init::x#1!=0) goto bitmap_init::@1
Adding number conversion cast (unumber) 0 in [18] if(bitmap_init::y#1!=0) goto bitmap_init::@5
Successful SSA optimization PassNAddNumberTypeConversions
Simplifying constant integer cast 0
Simplifying constant integer cast 0
Successful SSA optimization PassNCastSimplification
Finalized unsigned number type (char) 0
Finalized unsigned number type (char) 0
Successful SSA optimization PassNFinalizeNumberTypeConversions
Alias bitmap_init::$7 = bitmap_init::$3 
Alias bitmap_clear::col#0 = bitmap_clear::$0 
Successful SSA optimization Pass2AliasElimination
Simple Condition bitmap_line::$4 [43] if(bitmap_line::dx#0==0) goto bitmap_line::@20
Simple Condition bitmap_line::$5 [85] if(bitmap_line::dy#0==0) goto bitmap_line::@4
Successful SSA optimization Pass2ConditionalJumpSimplification
Negating conditional jump and destination [43] if(bitmap_line::dx#0!=0) goto bitmap_line::@1
Successful SSA optimization Pass2ConditionalJumpSequenceImprovement
Constant right-side identified [20] bitmap_clear::col#0 = bitmap_clear::fgcol#0 * $10
Successful SSA optimization Pass2ConstantRValueConsolidation
Constant bitmap_clear::col#0 = bitmap_clear::fgcol#0*$10
Successful SSA optimization Pass2ConstantIdentification
Constant memset::c#0 = bitmap_clear::col#0
Successful SSA optimization Pass2ConstantIdentification
Inlining Noop Cast [25] bitmap_plot::plotter#0 = (char *)bitmap_plot::$0 keeping bitmap_plot::plotter#0
Successful SSA optimization Pass2NopCastInlining
Inlining Noop Cast [84] memset::$4 = (char *)memset::str#3 keeping memset::str#3
Inlining Noop Cast [86] memset::dst#0 = (char *)memset::str#3 keeping memset::str#3
Successful SSA optimization Pass2NopCastInlining
Rewriting division to use shift [53] bitmap_line::e1#0 = bitmap_line::dy#0 / 2
Rewriting division to use shift [54] bitmap_line::e#0 = bitmap_line::dx#0 / 2
Successful SSA optimization Pass2MultiplyToShiftRewriting
Inlining constant with var siblings bitmap_init::bits#0
Inlining constant with var siblings bitmap_init::x#0
Inlining constant with var siblings bitmap_init::bits#2
Inlining constant with var siblings bitmap_init::y#0
Inlining constant with var siblings memset::num#0
Inlining constant with var siblings memset::c#1
Inlining constant with var siblings memset::num#1
Inlining constant with var siblings memset::str#0
Inlining constant with var siblings memset::str#1
Inlining constant with var siblings memset::c#0
Inlining constant with var siblings sgn_u16::return#2
Inlining constant with var siblings sgn_u16::return#3
Inlining constant with var siblings lines::l#0
Inlining constant with var siblings init_screen::c#0
Constant inlined bitmap_init::screen#0 = SCREEN
Constant inlined memset::str#1 = (void *)BITMAP
Constant inlined memset::str#0 = (void *)SCREEN
Constant inlined bitmap_init::gfx#0 = BITMAP
Constant inlined memset::num#1 = $1f40
Constant inlined bitmap_clear::fgcol#0 = WHITE
Constant inlined bitmap_gfx#0 = BITMAP
Constant inlined bitmap_init::bits#0 = $80
Constant inlined memset::num#0 = $3e8
Constant inlined bitmap_init::bits#2 = $80
Constant inlined lines::l#0 = 0
Constant inlined bitmap_screen#0 = SCREEN
Constant inlined bitmap_init::y#0 = 0
Constant inlined sgn_u16::return#3 = 1
Constant inlined sgn_u16::return#2 = -1
Constant inlined memset::c#0 = bitmap_clear::col#0
Constant inlined bitmap_init::x#0 = 0
Constant inlined init_screen::c#0 = SCREEN
Constant inlined memset::c#1 = 0
Successful SSA optimization Pass2ConstantInlining
Consolidated array index constant in assignment (lines_x+1)[lines::$1]
Consolidated array index constant in assignment (lines_y+1)[lines::$2]
Successful SSA optimization Pass2ConstantAdditionElimination
Alias lines::l#2 = lines::$1 lines::$2 
Successful SSA optimization Pass2AliasElimination
Finalized unsigned number type (unsigned int) $100
Finalized unsigned number type (unsigned int) $100
Finalized unsigned number type (unsigned int) $100
Finalized unsigned number type (unsigned int) $100
Finalized unsigned number type (unsigned int) $100
Finalized unsigned number type (unsigned int) $100
Finalized unsigned number type (char) $28
Finalized unsigned number type (char) 8
Successful SSA optimization PassNFinalizeNumberTypeConversions
Added new block during phi lifting bitmap_init::@8(between bitmap_init::@2 and bitmap_init::@1)
Added new block during phi lifting bitmap_init::@9(between bitmap_init::@1 and bitmap_init::@2)
Added new block during phi lifting bitmap_init::@10(between bitmap_init::@6 and bitmap_init::@5)
Added new block during phi lifting bitmap_init::@11(between bitmap_init::@5 and bitmap_init::@6)
Added new block during phi lifting bitmap_line::@21(between bitmap_line::@7 and bitmap_line::@6)
Added new block during phi lifting bitmap_line::@22(between bitmap_line::@17 and bitmap_line::@7)
Added new block during phi lifting bitmap_line::@23(between bitmap_line::@10 and bitmap_line::@3)
Added new block during phi lifting bitmap_line::@24(between bitmap_line::@7 and bitmap_line::@3)
Added new block during phi lifting bitmap_line::@25(between bitmap_line::@10 and bitmap_line::@9)
Added new block during phi lifting bitmap_line::@26(between bitmap_line::@19 and bitmap_line::@10)
Adding NOP phi() at start of main::@2
Adding NOP phi() at start of main::@3
Adding NOP phi() at start of main::@4
Adding NOP phi() at start of main::@1
Adding NOP phi() at start of main::@5
Adding NOP phi() at start of bitmap_init
Adding NOP phi() at start of bitmap_init::@3
Adding NOP phi() at start of bitmap_init::@4
Adding NOP phi() at start of bitmap_clear
Adding NOP phi() at start of bitmap_clear::@1
Adding NOP phi() at start of bitmap_clear::@2
Adding NOP phi() at start of init_screen
Adding NOP phi() at start of lines
Adding NOP phi() at start of memset::@1
Adding NOP phi() at start of bitmap_line::@18
Adding NOP phi() at start of bitmap_line::@16
Adding NOP phi() at start of sgn_u16::@2
Adding NOP phi() at start of sgn_u16::@1
CALL GRAPH
Calls in [main] to bitmap_init:4 bitmap_clear:6 init_screen:8 lines:11 
Calls in [bitmap_clear] to memset:44 memset:46 
Calls in [lines] to bitmap_line:64 
Calls in [bitmap_line] to abs_u16:80 abs_u16:85 sgn_u16:92 sgn_u16:97 bitmap_plot:110 bitmap_plot:127 bitmap_plot:144 bitmap_plot:165 

Created 30 initial phi equivalence classes
Coalesced [32] bitmap_init::yoffs#7 = bitmap_init::yoffs#1
Coalesced [37] bitmap_init::y#5 = bitmap_init::y#1
Coalesced [38] bitmap_init::yoffs#5 = bitmap_init::yoffs#4
Coalesced (already) [39] bitmap_init::yoffs#6 = bitmap_init::yoffs#2
Coalesced [40] bitmap_init::bits#5 = bitmap_init::bits#4
Coalesced [41] bitmap_init::x#5 = bitmap_init::x#1
Coalesced [42] bitmap_init::bits#6 = bitmap_init::bits#1
Coalesced [55] init_screen::c#4 = init_screen::c#1
Coalesced [66] lines::l#5 = lines::l#1
Coalesced [77] memset::dst#5 = memset::dst#1
Coalesced [79] abs_u16::w#5 = abs_u16::w#0
Coalesced [84] abs_u16::w#6 = abs_u16::w#1
Coalesced [91] sgn_u16::w#3 = sgn_u16::w#0
Coalesced [96] sgn_u16::w#4 = sgn_u16::w#1
Coalesced [102] bitmap_line::x#20 = bitmap_line::x1#0
Coalesced [103] bitmap_line::y#20 = bitmap_line::y1#0
Coalesced [104] bitmap_line::e#7 = bitmap_line::e#0
Coalesced [108] bitmap_plot::y#7 = bitmap_plot::y#1
Coalesced [109] bitmap_plot::x#7 = bitmap_plot::x#1
Coalesced [116] bitmap_line::x#23 = bitmap_line::x#1
Coalesced [117] bitmap_line::e#10 = bitmap_line::e#2
Coalesced [120] bitmap_line::x#25 = bitmap_line::x#12
Coalesced [121] bitmap_line::y#23 = bitmap_line::y#1
Coalesced [125] bitmap_plot::y#5 = bitmap_plot::y#2
Coalesced [126] bitmap_plot::x#5 = bitmap_plot::x#2
Coalesced [130] bitmap_line::x#21 = bitmap_line::x#12
Coalesced [131] bitmap_line::y#21 = bitmap_line::y#1
Coalesced [132] bitmap_line::e#8 = bitmap_line::e#6
Coalesced (already) [133] bitmap_line::x#22 = bitmap_line::x#13
Coalesced [134] bitmap_line::e#9 = bitmap_line::e#1
Coalesced [136] bitmap_line::x#27 = bitmap_line::x1#0
Coalesced [137] bitmap_line::y#25 = bitmap_line::y1#0
Coalesced [138] bitmap_line::e1#8 = bitmap_line::e1#0
Coalesced [142] bitmap_plot::y#8 = bitmap_plot::y#3
Coalesced [143] bitmap_plot::x#8 = bitmap_plot::x#3
Coalesced [150] bitmap_line::y#26 = bitmap_line::y#2
Coalesced [151] bitmap_line::e1#9 = bitmap_line::e1#2
Coalesced [154] bitmap_line::x#24 = bitmap_line::x#15
Coalesced [155] bitmap_line::y#22 = bitmap_line::y#13
Coalesced (already) [156] bitmap_line::x#26 = bitmap_line::x#15
Coalesced (already) [157] bitmap_line::y#24 = bitmap_line::y#13
Coalesced [158] bitmap_line::e1#7 = bitmap_line::e1#6
Coalesced (already) [159] bitmap_line::y#27 = bitmap_line::y#15
Coalesced [160] bitmap_line::e1#10 = bitmap_line::e1#1
Coalesced [163] bitmap_plot::y#6 = bitmap_plot::y#0
Coalesced [164] bitmap_plot::x#6 = bitmap_plot::x#0
Coalesced [171] abs_u16::return#9 = abs_u16::w#2
Coalesced [175] abs_u16::return#8 = abs_u16::return#2
Coalesced down to 19 phi equivalence classes
Culled Empty Block label main::@4
Culled Empty Block label main::@5
Culled Empty Block label bitmap_init::@3
Culled Empty Block label bitmap_init::@4
Culled Empty Block label bitmap_init::@10
Culled Empty Block label bitmap_init::@11
Culled Empty Block label bitmap_init::@8
Culled Empty Block label bitmap_clear::@2
Culled Empty Block label memset::@1
Culled Empty Block label bitmap_line::@24
Culled Empty Block label bitmap_line::@18
Culled Empty Block label bitmap_line::@21
Culled Empty Block label bitmap_line::@22
Culled Empty Block label bitmap_line::@23
Culled Empty Block label bitmap_line::@25
Culled Empty Block label bitmap_line::@26
Culled Empty Block label bitmap_line::@16
Culled Empty Block label abs_u16::@2
Culled Empty Block label sgn_u16::@2
Renumbering block bitmap_init::@5 to bitmap_init::@3
Renumbering block bitmap_init::@6 to bitmap_init::@4
Renumbering block bitmap_init::@7 to bitmap_init::@5
Renumbering block bitmap_init::@9 to bitmap_init::@6
Renumbering block bitmap_line::@17 to bitmap_line::@16
Renumbering block bitmap_line::@19 to bitmap_line::@17
Renumbering block bitmap_line::@20 to bitmap_line::@18
Renumbering block memset::@2 to memset::@1
Renumbering block memset::@3 to memset::@2
Renumbering block memset::@4 to memset::@3
Adding NOP phi() at start of main::@2
Adding NOP phi() at start of main::@3
Adding NOP phi() at start of main::@1
Adding NOP phi() at start of bitmap_init
Adding NOP phi() at start of bitmap_init::@6
Adding NOP phi() at start of bitmap_clear
Adding NOP phi() at start of bitmap_clear::@1
Adding NOP phi() at start of init_screen
Adding NOP phi() at start of lines
Adding NOP phi() at start of sgn_u16::@1

FINAL CONTROL FLOW GRAPH

void main()
main: scope:[main]  from
  [0] *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BORDER_COLOR) = 0
  [1] *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BG_COLOR) = 0
  [2] *D011 = VICII_BMM|VICII_DEN|VICII_RSEL|3
  [3] *VICII_MEMORY = (char)(unsigned int)SCREEN&$3fff/$40|(unsigned int)BITMAP&$3fff/$400
  [4] call bitmap_init
  to:main::@2
main::@2: scope:[main]  from main
  [5] phi()
  [6] call bitmap_clear
  to:main::@3
main::@3: scope:[main]  from main::@2
  [7] phi()
  [8] call init_screen
  to:main::@1
main::@1: scope:[main]  from main::@1 main::@3
  [9] phi()
  [10] call lines
  to:main::@1

void bitmap_init(char *gfx , char *screen)
bitmap_init: scope:[bitmap_init]  from main
  [11] phi()
  to:bitmap_init::@1
bitmap_init::@1: scope:[bitmap_init]  from bitmap_init bitmap_init::@2
  [12] bitmap_init::x#2 = phi( bitmap_init/0, bitmap_init::@2/bitmap_init::x#1 )
  [12] bitmap_init::bits#3 = phi( bitmap_init/$80, bitmap_init::@2/bitmap_init::bits#4 )
  [13] bitmap_plot_bit[bitmap_init::x#2] = bitmap_init::bits#3
  [14] bitmap_init::bits#1 = bitmap_init::bits#3 >> 1
  [15] if(bitmap_init::bits#1!=0) goto bitmap_init::@6
  to:bitmap_init::@2
bitmap_init::@6: scope:[bitmap_init]  from bitmap_init::@1
  [16] phi()
  to:bitmap_init::@2
bitmap_init::@2: scope:[bitmap_init]  from bitmap_init::@1 bitmap_init::@6
  [17] bitmap_init::bits#4 = phi( bitmap_init::@6/bitmap_init::bits#1, bitmap_init::@1/$80 )
  [18] bitmap_init::x#1 = ++ bitmap_init::x#2
  [19] if(bitmap_init::x#1!=0) goto bitmap_init::@1
  to:bitmap_init::@3
bitmap_init::@3: scope:[bitmap_init]  from bitmap_init::@2 bitmap_init::@4
  [20] bitmap_init::yoffs#2 = phi( bitmap_init::@2/BITMAP, bitmap_init::@4/bitmap_init::yoffs#4 )
  [20] bitmap_init::y#2 = phi( bitmap_init::@2/0, bitmap_init::@4/bitmap_init::y#1 )
  [21] bitmap_init::$7 = bitmap_init::y#2 & 7
  [22] bitmap_init::$4 = byte0  bitmap_init::yoffs#2
  [23] bitmap_init::$5 = bitmap_init::$7 | bitmap_init::$4
  [24] bitmap_plot_ylo[bitmap_init::y#2] = bitmap_init::$5
  [25] bitmap_init::$6 = byte1  bitmap_init::yoffs#2
  [26] bitmap_plot_yhi[bitmap_init::y#2] = bitmap_init::$6
  [27] if(bitmap_init::$7!=7) goto bitmap_init::@4
  to:bitmap_init::@5
bitmap_init::@5: scope:[bitmap_init]  from bitmap_init::@3
  [28] bitmap_init::yoffs#1 = bitmap_init::yoffs#2 + (unsigned int)$28*8
  to:bitmap_init::@4
bitmap_init::@4: scope:[bitmap_init]  from bitmap_init::@3 bitmap_init::@5
  [29] bitmap_init::yoffs#4 = phi( bitmap_init::@3/bitmap_init::yoffs#2, bitmap_init::@5/bitmap_init::yoffs#1 )
  [30] bitmap_init::y#1 = ++ bitmap_init::y#2
  [31] if(bitmap_init::y#1!=0) goto bitmap_init::@3
  to:bitmap_init::@return
bitmap_init::@return: scope:[bitmap_init]  from bitmap_init::@4
  [32] return 
  to:@return

void bitmap_clear(char bgcol , char fgcol)
bitmap_clear: scope:[bitmap_clear]  from main::@2
  [33] phi()
  [34] call memset
  to:bitmap_clear::@1
bitmap_clear::@1: scope:[bitmap_clear]  from bitmap_clear
  [35] phi()
  [36] call memset
  to:bitmap_clear::@return
bitmap_clear::@return: scope:[bitmap_clear]  from bitmap_clear::@1
  [37] return 
  to:@return

void init_screen()
init_screen: scope:[init_screen]  from main::@3
  [38] phi()
  to:init_screen::@1
init_screen::@1: scope:[init_screen]  from init_screen init_screen::@2
  [39] init_screen::c#2 = phi( init_screen/SCREEN, init_screen::@2/init_screen::c#1 )
  [40] if(init_screen::c#2!=SCREEN+$400) goto init_screen::@2
  to:init_screen::@return
init_screen::@return: scope:[init_screen]  from init_screen::@1
  [41] return 
  to:@return
init_screen::@2: scope:[init_screen]  from init_screen::@1
  [42] *init_screen::c#2 = $14
  [43] init_screen::c#1 = ++ init_screen::c#2
  to:init_screen::@1

void lines()
lines: scope:[lines]  from main::@1
  [44] phi()
  to:lines::@1
lines::@1: scope:[lines]  from lines lines::@3
  [45] lines::l#2 = phi( lines/0, lines::@3/lines::l#1 )
  [46] if(lines::l#2<LINES) goto lines::@2
  to:lines::@return
lines::@return: scope:[lines]  from lines::@1
  [47] return 
  to:@return
lines::@2: scope:[lines]  from lines::@1
  [48] bitmap_line::x1#0 = lines_x[lines::l#2]
  [49] bitmap_line::y1#0 = lines_y[lines::l#2]
  [50] bitmap_line::x2#0 = (lines_x+1)[lines::l#2]
  [51] bitmap_line::y2#0 = (lines_y+1)[lines::l#2]
  [52] call bitmap_line
  to:lines::@3
lines::@3: scope:[lines]  from lines::@2
  [53] lines::l#1 = ++ lines::l#2
  to:lines::@1

void * memset(void *str , char c , unsigned int num)
memset: scope:[memset]  from bitmap_clear bitmap_clear::@1
  [54] memset::c#4 = phi( bitmap_clear/bitmap_clear::col#0, bitmap_clear::@1/0 )
  [54] memset::str#3 = phi( bitmap_clear/(void *)SCREEN, bitmap_clear::@1/(void *)BITMAP )
  [54] memset::num#2 = phi( bitmap_clear/$3e8, bitmap_clear::@1/$1f40 )
  [55] if(memset::num#2<=0) goto memset::@return
  to:memset::@1
memset::@1: scope:[memset]  from memset
  [56] memset::end#0 = (char *)memset::str#3 + memset::num#2
  [57] memset::dst#4 = (char *)memset::str#3
  to:memset::@2
memset::@2: scope:[memset]  from memset::@1 memset::@3
  [58] memset::dst#2 = phi( memset::@1/memset::dst#4, memset::@3/memset::dst#1 )
  [59] if(memset::dst#2!=memset::end#0) goto memset::@3
  to:memset::@return
memset::@return: scope:[memset]  from memset memset::@2
  [60] return 
  to:@return
memset::@3: scope:[memset]  from memset::@2
  [61] *memset::dst#2 = memset::c#4
  [62] memset::dst#1 = ++ memset::dst#2
  to:memset::@2

void bitmap_line(unsigned int x1 , unsigned int y1 , unsigned int x2 , unsigned int y2)
bitmap_line: scope:[bitmap_line]  from lines::@2
  [63] abs_u16::w#0 = bitmap_line::x2#0 - bitmap_line::x1#0
  [64] call abs_u16
  [65] abs_u16::return#0 = abs_u16::return#4
  to:bitmap_line::@12
bitmap_line::@12: scope:[bitmap_line]  from bitmap_line
  [66] bitmap_line::dx#0 = abs_u16::return#0
  [67] abs_u16::w#1 = bitmap_line::y2#0 - bitmap_line::y1#0
  [68] call abs_u16
  [69] abs_u16::return#1 = abs_u16::return#4
  to:bitmap_line::@13
bitmap_line::@13: scope:[bitmap_line]  from bitmap_line::@12
  [70] bitmap_line::dy#0 = abs_u16::return#1
  [71] if(bitmap_line::dx#0!=0) goto bitmap_line::@1
  to:bitmap_line::@18
bitmap_line::@18: scope:[bitmap_line]  from bitmap_line::@13
  [72] if(bitmap_line::dy#0==0) goto bitmap_line::@4
  to:bitmap_line::@1
bitmap_line::@1: scope:[bitmap_line]  from bitmap_line::@13 bitmap_line::@18
  [73] sgn_u16::w#0 = bitmap_line::x2#0 - bitmap_line::x1#0
  [74] call sgn_u16
  [75] sgn_u16::return#0 = sgn_u16::return#4
  to:bitmap_line::@14
bitmap_line::@14: scope:[bitmap_line]  from bitmap_line::@1
  [76] bitmap_line::sx#0 = sgn_u16::return#0
  [77] sgn_u16::w#1 = bitmap_line::y2#0 - bitmap_line::y1#0
  [78] call sgn_u16
  [79] sgn_u16::return#1 = sgn_u16::return#4
  to:bitmap_line::@15
bitmap_line::@15: scope:[bitmap_line]  from bitmap_line::@14
  [80] bitmap_line::sy#0 = sgn_u16::return#1
  [81] if(bitmap_line::dx#0>bitmap_line::dy#0) goto bitmap_line::@2
  to:bitmap_line::@5
bitmap_line::@5: scope:[bitmap_line]  from bitmap_line::@15
  [82] bitmap_line::e#0 = bitmap_line::dx#0 >> 1
  to:bitmap_line::@6
bitmap_line::@6: scope:[bitmap_line]  from bitmap_line::@5 bitmap_line::@7
  [83] bitmap_line::e#3 = phi( bitmap_line::@5/bitmap_line::e#0, bitmap_line::@7/bitmap_line::e#6 )
  [83] bitmap_line::y#4 = phi( bitmap_line::@5/bitmap_line::y1#0, bitmap_line::@7/bitmap_line::y#1 )
  [83] bitmap_line::x#13 = phi( bitmap_line::@5/bitmap_line::x1#0, bitmap_line::@7/bitmap_line::x#12 )
  [84] bitmap_plot::x#1 = bitmap_line::x#13
  [85] bitmap_plot::y#1 = (char)bitmap_line::y#4
  [86] call bitmap_plot
  to:bitmap_line::@16
bitmap_line::@16: scope:[bitmap_line]  from bitmap_line::@6
  [87] bitmap_line::y#1 = bitmap_line::y#4 + bitmap_line::sy#0
  [88] bitmap_line::e#1 = bitmap_line::e#3 + bitmap_line::dx#0
  [89] if(bitmap_line::dy#0>=bitmap_line::e#1) goto bitmap_line::@7
  to:bitmap_line::@8
bitmap_line::@8: scope:[bitmap_line]  from bitmap_line::@16
  [90] bitmap_line::x#1 = bitmap_line::x#13 + bitmap_line::sx#0
  [91] bitmap_line::e#2 = bitmap_line::e#1 - bitmap_line::dy#0
  to:bitmap_line::@7
bitmap_line::@7: scope:[bitmap_line]  from bitmap_line::@16 bitmap_line::@8
  [92] bitmap_line::e#6 = phi( bitmap_line::@16/bitmap_line::e#1, bitmap_line::@8/bitmap_line::e#2 )
  [92] bitmap_line::x#12 = phi( bitmap_line::@16/bitmap_line::x#13, bitmap_line::@8/bitmap_line::x#1 )
  [93] if(bitmap_line::y#1!=bitmap_line::y2#0) goto bitmap_line::@6
  to:bitmap_line::@3
bitmap_line::@3: scope:[bitmap_line]  from bitmap_line::@10 bitmap_line::@7
  [94] bitmap_line::y#7 = phi( bitmap_line::@10/bitmap_line::y#13, bitmap_line::@7/bitmap_line::y#1 )
  [94] bitmap_line::x#6 = phi( bitmap_line::@10/bitmap_line::x#15, bitmap_line::@7/bitmap_line::x#12 )
  [95] bitmap_plot::x#2 = bitmap_line::x#6
  [96] bitmap_plot::y#2 = (char)bitmap_line::y#7
  [97] call bitmap_plot
  to:bitmap_line::@return
bitmap_line::@return: scope:[bitmap_line]  from bitmap_line::@3 bitmap_line::@4
  [98] return 
  to:@return
bitmap_line::@2: scope:[bitmap_line]  from bitmap_line::@15
  [99] bitmap_line::e1#0 = bitmap_line::dy#0 >> 1
  to:bitmap_line::@9
bitmap_line::@9: scope:[bitmap_line]  from bitmap_line::@10 bitmap_line::@2
  [100] bitmap_line::e1#3 = phi( bitmap_line::@10/bitmap_line::e1#6, bitmap_line::@2/bitmap_line::e1#0 )
  [100] bitmap_line::y#15 = phi( bitmap_line::@10/bitmap_line::y#13, bitmap_line::@2/bitmap_line::y1#0 )
  [100] bitmap_line::x#7 = phi( bitmap_line::@10/bitmap_line::x#15, bitmap_line::@2/bitmap_line::x1#0 )
  [101] bitmap_plot::x#3 = bitmap_line::x#7
  [102] bitmap_plot::y#3 = (char)bitmap_line::y#15
  [103] call bitmap_plot
  to:bitmap_line::@17
bitmap_line::@17: scope:[bitmap_line]  from bitmap_line::@9
  [104] bitmap_line::x#15 = bitmap_line::x#7 + bitmap_line::sx#0
  [105] bitmap_line::e1#1 = bitmap_line::e1#3 + bitmap_line::dy#0
  [106] if(bitmap_line::dx#0>=bitmap_line::e1#1) goto bitmap_line::@10
  to:bitmap_line::@11
bitmap_line::@11: scope:[bitmap_line]  from bitmap_line::@17
  [107] bitmap_line::y#2 = bitmap_line::y#15 + bitmap_line::sy#0
  [108] bitmap_line::e1#2 = bitmap_line::e1#1 - bitmap_line::dx#0
  to:bitmap_line::@10
bitmap_line::@10: scope:[bitmap_line]  from bitmap_line::@11 bitmap_line::@17
  [109] bitmap_line::e1#6 = phi( bitmap_line::@11/bitmap_line::e1#2, bitmap_line::@17/bitmap_line::e1#1 )
  [109] bitmap_line::y#13 = phi( bitmap_line::@11/bitmap_line::y#2, bitmap_line::@17/bitmap_line::y#15 )
  [110] if(bitmap_line::x#15!=bitmap_line::x2#0) goto bitmap_line::@9
  to:bitmap_line::@3
bitmap_line::@4: scope:[bitmap_line]  from bitmap_line::@18
  [111] bitmap_plot::x#0 = bitmap_line::x1#0
  [112] bitmap_plot::y#0 = (char)bitmap_line::y1#0
  [113] call bitmap_plot
  to:bitmap_line::@return

unsigned int abs_u16(unsigned int w)
abs_u16: scope:[abs_u16]  from bitmap_line bitmap_line::@12
  [114] abs_u16::w#2 = phi( bitmap_line/abs_u16::w#0, bitmap_line::@12/abs_u16::w#1 )
  [115] abs_u16::$0 = byte1  abs_u16::w#2
  [116] abs_u16::$1 = abs_u16::$0 & $80
  [117] if(0!=abs_u16::$1) goto abs_u16::@1
  to:abs_u16::@return
abs_u16::@1: scope:[abs_u16]  from abs_u16
  [118] abs_u16::return#2 = - abs_u16::w#2
  to:abs_u16::@return
abs_u16::@return: scope:[abs_u16]  from abs_u16 abs_u16::@1
  [119] abs_u16::return#4 = phi( abs_u16::@1/abs_u16::return#2, abs_u16/abs_u16::w#2 )
  [120] return 
  to:@return

unsigned int sgn_u16(unsigned int w)
sgn_u16: scope:[sgn_u16]  from bitmap_line::@1 bitmap_line::@14
  [121] sgn_u16::w#2 = phi( bitmap_line::@1/sgn_u16::w#0, bitmap_line::@14/sgn_u16::w#1 )
  [122] sgn_u16::$0 = byte1  sgn_u16::w#2
  [123] sgn_u16::$1 = sgn_u16::$0 & $80
  [124] if(0!=sgn_u16::$1) goto sgn_u16::@1
  to:sgn_u16::@return
sgn_u16::@1: scope:[sgn_u16]  from sgn_u16
  [125] phi()
  to:sgn_u16::@return
sgn_u16::@return: scope:[sgn_u16]  from sgn_u16 sgn_u16::@1
  [126] sgn_u16::return#4 = phi( sgn_u16::@1/-1, sgn_u16/1 )
  [127] return 
  to:@return

void bitmap_plot(unsigned int x , char y)
bitmap_plot: scope:[bitmap_plot]  from bitmap_line::@3 bitmap_line::@4 bitmap_line::@6 bitmap_line::@9
  [128] bitmap_plot::x#4 = phi( bitmap_line::@3/bitmap_plot::x#2, bitmap_line::@4/bitmap_plot::x#0, bitmap_line::@6/bitmap_plot::x#1, bitmap_line::@9/bitmap_plot::x#3 )
  [128] bitmap_plot::y#4 = phi( bitmap_line::@3/bitmap_plot::y#2, bitmap_line::@4/bitmap_plot::y#0, bitmap_line::@6/bitmap_plot::y#1, bitmap_line::@9/bitmap_plot::y#3 )
  [129] bitmap_plot::plotter#0 = bitmap_plot_yhi[bitmap_plot::y#4] w= bitmap_plot_ylo[bitmap_plot::y#4]
  [130] bitmap_plot::$1 = bitmap_plot::x#4 & $fff8
  [131] bitmap_plot::plotter#1 = (char *)bitmap_plot::plotter#0 + bitmap_plot::$1
  [132] bitmap_plot::$2 = byte0  bitmap_plot::x#4
  [133] *bitmap_plot::plotter#1 = *bitmap_plot::plotter#1 | bitmap_plot_bit[bitmap_plot::$2]
  to:bitmap_plot::@return
bitmap_plot::@return: scope:[bitmap_plot]  from bitmap_plot
  [134] return 
  to:@return


VARIABLE REGISTER WEIGHTS
unsigned int abs_u16(unsigned int w)
char abs_u16::$0 // 2000002.0
char abs_u16::$1 // 2000002.0
unsigned int abs_u16::return
unsigned int abs_u16::return#0 // 200002.0
unsigned int abs_u16::return#1 // 200002.0
unsigned int abs_u16::return#2 // 2000002.0
unsigned int abs_u16::return#4 // 550001.0
unsigned int abs_u16::w
unsigned int abs_u16::w#0 // 200002.0
unsigned int abs_u16::w#1 // 200002.0
unsigned int abs_u16::w#2 // 800001.25
void bitmap_clear(char bgcol , char fgcol)
char bitmap_clear::bgcol
char bitmap_clear::col
char bitmap_clear::fgcol
char *bitmap_gfx
void bitmap_init(char *gfx , char *screen)
char bitmap_init::$4 // 202.0
char bitmap_init::$5 // 202.0
char bitmap_init::$6 // 202.0
char bitmap_init::$7 // 50.5
char bitmap_init::bits
char bitmap_init::bits#1 // 101.0
char bitmap_init::bits#3 // 151.5
char bitmap_init::bits#4 // 67.33333333333333
char *bitmap_init::gfx
char *bitmap_init::screen
char bitmap_init::x
char bitmap_init::x#1 // 151.5
char bitmap_init::x#2 // 50.5
char bitmap_init::y
char bitmap_init::y#1 // 151.5
char bitmap_init::y#2 // 50.5
char *bitmap_init::yoffs
char *bitmap_init::yoffs#1 // 202.0
char *bitmap_init::yoffs#2 // 63.125
char *bitmap_init::yoffs#4 // 101.0
void bitmap_line(unsigned int x1 , unsigned int y1 , unsigned int x2 , unsigned int y2)
unsigned int bitmap_line::dx
unsigned int bitmap_line::dx#0 // 7510000.175000001
unsigned int bitmap_line::dy
unsigned int bitmap_line::dy#0 // 8344444.63888889
unsigned int bitmap_line::e
unsigned int bitmap_line::e#0 // 200002.0
unsigned int bitmap_line::e#1 // 1.3333333466666667E8
unsigned int bitmap_line::e#2 // 2.00000002E8
unsigned int bitmap_line::e#3 // 4.0020000599999994E7
unsigned int bitmap_line::e#6 // 1.500000015E8
unsigned int bitmap_line::e1
unsigned int bitmap_line::e1#0 // 200002.0
unsigned int bitmap_line::e1#1 // 1.3333333466666667E8
unsigned int bitmap_line::e1#2 // 2.00000002E8
unsigned int bitmap_line::e1#3 // 4.0020000599999994E7
unsigned int bitmap_line::e1#6 // 1.500000015E8
unsigned int bitmap_line::sx
unsigned int bitmap_line::sx#0 // 6670000.1
unsigned int bitmap_line::sy
unsigned int bitmap_line::sy#0 // 7696153.961538462
unsigned int bitmap_line::x
unsigned int bitmap_line::x#1 // 1.00000001E8
unsigned int bitmap_line::x#12 // 2.00000002E8
unsigned int bitmap_line::x#13 // 5.715714357142858E7
unsigned int bitmap_line::x#15 // 5.714285771428572E7
unsigned int bitmap_line::x#6 // 2.00100003E8
unsigned int bitmap_line::x#7 // 7.5025001E7
unsigned int bitmap_line::x1
unsigned int bitmap_line::x1#0 // 20400.24
unsigned int bitmap_line::x2
unsigned int bitmap_line::x2#0 // 3036666.7878787876
unsigned int bitmap_line::y
unsigned int bitmap_line::y#1 // 5.714285771428572E7
unsigned int bitmap_line::y#13 // 2.00000002E8
unsigned int bitmap_line::y#15 // 4.287142914285715E7
unsigned int bitmap_line::y#2 // 1.00000001E8
unsigned int bitmap_line::y#4 // 5.002500075E7
unsigned int bitmap_line::y#7 // 1.00000001E8
unsigned int bitmap_line::y1
unsigned int bitmap_line::y1#0 // 16400.2
unsigned int bitmap_line::y2
unsigned int bitmap_line::y2#0 // 3131562.625
void bitmap_plot(unsigned int x , char y)
unsigned int bitmap_plot::$1 // 2.000000002E9
char bitmap_plot::$2 // 2.000000002E9
char *bitmap_plot::plotter
unsigned int bitmap_plot::plotter#0 // 5.000000005E8
char *bitmap_plot::plotter#1 // 1.5000000015E9
unsigned int bitmap_plot::x
unsigned int bitmap_plot::x#0 // 100001.0
unsigned int bitmap_plot::x#1 // 1.00000001E8
unsigned int bitmap_plot::x#2 // 100001.0
unsigned int bitmap_plot::x#3 // 1.00000001E8
unsigned int bitmap_plot::x#4 // 5.500500015E8
char bitmap_plot::y
char bitmap_plot::y#0 // 200002.0
char bitmap_plot::y#1 // 2.00000002E8
char bitmap_plot::y#2 // 200002.0
char bitmap_plot::y#3 // 2.00000002E8
char bitmap_plot::y#4 // 2.200200006E9
char *bitmap_screen
void init_screen()
char *init_screen::c
char *init_screen::c#1 // 202.0
char *init_screen::c#2 // 134.66666666666666
void lines()
char lines::l
char lines::l#1 // 20002.0
char lines::l#2 // 10001.000000000002
void main()
void * memset(void *str , char c , unsigned int num)
char memset::c
char memset::c#4 // 125.125
char *memset::dst
char *memset::dst#1 // 2002.0
char *memset::dst#2 // 1368.3333333333335
char *memset::dst#4 // 202.0
char *memset::end
char *memset::end#0 // 183.66666666666669
unsigned int memset::num
unsigned int memset::num#2 // 101.0
void *memset::return
void *memset::str
void *memset::str#3
unsigned int sgn_u16(unsigned int w)
char sgn_u16::$0 // 2000002.0
char sgn_u16::$1 // 2000002.0
unsigned int sgn_u16::return
unsigned int sgn_u16::return#0 // 200002.0
unsigned int sgn_u16::return#1 // 200002.0
unsigned int sgn_u16::return#4 // 50000.5
unsigned int sgn_u16::w
unsigned int sgn_u16::w#0 // 200002.0
unsigned int sgn_u16::w#1 // 200002.0
unsigned int sgn_u16::w#2 // 1200003.0

Initial phi equivalence classes
[ bitmap_init::bits#3 bitmap_init::bits#4 bitmap_init::bits#1 ]
[ bitmap_init::x#2 bitmap_init::x#1 ]
[ bitmap_init::y#2 bitmap_init::y#1 ]
[ bitmap_init::yoffs#2 bitmap_init::yoffs#4 bitmap_init::yoffs#1 ]
[ init_screen::c#2 init_screen::c#1 ]
[ lines::l#2 lines::l#1 ]
[ memset::num#2 ]
[ memset::str#3 ]
[ memset::c#4 ]
[ memset::dst#2 memset::dst#4 memset::dst#1 ]
[ bitmap_line::e#3 bitmap_line::e#0 bitmap_line::e#6 bitmap_line::e#1 bitmap_line::e#2 ]
[ bitmap_line::x#7 bitmap_line::x#6 bitmap_line::x#15 bitmap_line::x#13 bitmap_line::x1#0 bitmap_line::x#12 bitmap_line::x#1 ]
[ bitmap_line::y#15 bitmap_line::y#7 bitmap_line::y#13 bitmap_line::y#4 bitmap_line::y1#0 bitmap_line::y#1 bitmap_line::y#2 ]
[ bitmap_line::e1#3 bitmap_line::e1#6 bitmap_line::e1#0 bitmap_line::e1#2 bitmap_line::e1#1 ]
[ abs_u16::return#4 abs_u16::return#2 abs_u16::w#2 abs_u16::w#0 abs_u16::w#1 ]
[ sgn_u16::w#2 sgn_u16::w#0 sgn_u16::w#1 ]
[ sgn_u16::return#4 ]
[ bitmap_plot::y#4 bitmap_plot::y#2 bitmap_plot::y#0 bitmap_plot::y#1 bitmap_plot::y#3 ]
[ bitmap_plot::x#4 bitmap_plot::x#2 bitmap_plot::x#0 bitmap_plot::x#1 bitmap_plot::x#3 ]
Added variable bitmap_init::$7 to live range equivalence class [ bitmap_init::$7 ]
Added variable bitmap_init::$4 to live range equivalence class [ bitmap_init::$4 ]
Added variable bitmap_init::$5 to live range equivalence class [ bitmap_init::$5 ]
Added variable bitmap_init::$6 to live range equivalence class [ bitmap_init::$6 ]
Added variable bitmap_line::x2#0 to live range equivalence class [ bitmap_line::x2#0 ]
Added variable bitmap_line::y2#0 to live range equivalence class [ bitmap_line::y2#0 ]
Added variable memset::end#0 to live range equivalence class [ memset::end#0 ]
Added variable abs_u16::return#0 to live range equivalence class [ abs_u16::return#0 ]
Added variable bitmap_line::dx#0 to live range equivalence class [ bitmap_line::dx#0 ]
Added variable abs_u16::return#1 to live range equivalence class [ abs_u16::return#1 ]
Added variable bitmap_line::dy#0 to live range equivalence class [ bitmap_line::dy#0 ]
Added variable sgn_u16::return#0 to live range equivalence class [ sgn_u16::return#0 ]
Added variable bitmap_line::sx#0 to live range equivalence class [ bitmap_line::sx#0 ]
Added variable sgn_u16::return#1 to live range equivalence class [ sgn_u16::return#1 ]
Added variable bitmap_line::sy#0 to live range equivalence class [ bitmap_line::sy#0 ]
Added variable abs_u16::$0 to live range equivalence class [ abs_u16::$0 ]
Added variable abs_u16::$1 to live range equivalence class [ abs_u16::$1 ]
Added variable sgn_u16::$0 to live range equivalence class [ sgn_u16::$0 ]
Added variable sgn_u16::$1 to live range equivalence class [ sgn_u16::$1 ]
Added variable bitmap_plot::plotter#0 to live range equivalence class [ bitmap_plot::plotter#0 ]
Added variable bitmap_plot::$1 to live range equivalence class [ bitmap_plot::$1 ]
Added variable bitmap_plot::plotter#1 to live range equivalence class [ bitmap_plot::plotter#1 ]
Added variable bitmap_plot::$2 to live range equivalence class [ bitmap_plot::$2 ]
Complete equivalence classes
[ bitmap_init::bits#3 bitmap_init::bits#4 bitmap_init::bits#1 ]
[ bitmap_init::x#2 bitmap_init::x#1 ]
[ bitmap_init::y#2 bitmap_init::y#1 ]
[ bitmap_init::yoffs#2 bitmap_init::yoffs#4 bitmap_init::yoffs#1 ]
[ init_screen::c#2 init_screen::c#1 ]
[ lines::l#2 lines::l#1 ]
[ memset::num#2 ]
[ memset::str#3 ]
[ memset::c#4 ]
[ memset::dst#2 memset::dst#4 memset::dst#1 ]
[ bitmap_line::e#3 bitmap_line::e#0 bitmap_line::e#6 bitmap_line::e#1 bitmap_line::e#2 ]
[ bitmap_line::x#7 bitmap_line::x#6 bitmap_line::x#15 bitmap_line::x#13 bitmap_line::x1#0 bitmap_line::x#12 bitmap_line::x#1 ]
[ bitmap_line::y#15 bitmap_line::y#7 bitmap_line::y#13 bitmap_line::y#4 bitmap_line::y1#0 bitmap_line::y#1 bitmap_line::y#2 ]
[ bitmap_line::e1#3 bitmap_line::e1#6 bitmap_line::e1#0 bitmap_line::e1#2 bitmap_line::e1#1 ]
[ abs_u16::return#4 abs_u16::return#2 abs_u16::w#2 abs_u16::w#0 abs_u16::w#1 ]
[ sgn_u16::w#2 sgn_u16::w#0 sgn_u16::w#1 ]
[ sgn_u16::return#4 ]
[ bitmap_plot::y#4 bitmap_plot::y#2 bitmap_plot::y#0 bitmap_plot::y#1 bitmap_plot::y#3 ]
[ bitmap_plot::x#4 bitmap_plot::x#2 bitmap_plot::x#0 bitmap_plot::x#1 bitmap_plot::x#3 ]
[ bitmap_init::$7 ]
[ bitmap_init::$4 ]
[ bitmap_init::$5 ]
[ bitmap_init::$6 ]
[ bitmap_line::x2#0 ]
[ bitmap_line::y2#0 ]
[ memset::end#0 ]
[ abs_u16::return#0 ]
[ bitmap_line::dx#0 ]
[ abs_u16::return#1 ]
[ bitmap_line::dy#0 ]
[ sgn_u16::return#0 ]
[ bitmap_line::sx#0 ]
[ sgn_u16::return#1 ]
[ bitmap_line::sy#0 ]
[ abs_u16::$0 ]
[ abs_u16::$1 ]
[ sgn_u16::$0 ]
[ sgn_u16::$1 ]
[ bitmap_plot::plotter#0 ]
[ bitmap_plot::$1 ]
[ bitmap_plot::plotter#1 ]
[ bitmap_plot::$2 ]
Allocated zp[1]:2 [ bitmap_plot::y#4 bitmap_plot::y#2 bitmap_plot::y#0 bitmap_plot::y#1 bitmap_plot::y#3 ]
Allocated zp[2]:3 [ bitmap_plot::$1 ]
Allocated zp[1]:5 [ bitmap_plot::$2 ]
Allocated zp[2]:6 [ bitmap_plot::plotter#1 ]
Allocated zp[2]:8 [ bitmap_plot::x#4 bitmap_plot::x#2 bitmap_plot::x#0 bitmap_plot::x#1 bitmap_plot::x#3 ]
Allocated zp[2]:10 [ bitmap_line::x#7 bitmap_line::x#6 bitmap_line::x#15 bitmap_line::x#13 bitmap_line::x1#0 bitmap_line::x#12 bitmap_line::x#1 ]
Allocated zp[2]:12 [ bitmap_line::y#15 bitmap_line::y#7 bitmap_line::y#13 bitmap_line::y#4 bitmap_line::y1#0 bitmap_line::y#1 bitmap_line::y#2 ]
Allocated zp[2]:14 [ bitmap_line::e1#3 bitmap_line::e1#6 bitmap_line::e1#0 bitmap_line::e1#2 bitmap_line::e1#1 ]
Allocated zp[2]:16 [ bitmap_line::e#3 bitmap_line::e#0 bitmap_line::e#6 bitmap_line::e#1 bitmap_line::e#2 ]
Allocated zp[2]:18 [ bitmap_plot::plotter#0 ]
Allocated zp[2]:20 [ bitmap_line::dy#0 ]
Allocated zp[2]:22 [ bitmap_line::sy#0 ]
Allocated zp[2]:24 [ bitmap_line::dx#0 ]
Allocated zp[2]:26 [ bitmap_line::sx#0 ]
Allocated zp[2]:28 [ abs_u16::return#4 abs_u16::return#2 abs_u16::w#2 abs_u16::w#0 abs_u16::w#1 ]
Allocated zp[2]:30 [ bitmap_line::y2#0 ]
Allocated zp[2]:32 [ bitmap_line::x2#0 ]
Allocated zp[1]:34 [ abs_u16::$0 ]
Allocated zp[1]:35 [ abs_u16::$1 ]
Allocated zp[1]:36 [ sgn_u16::$0 ]
Allocated zp[1]:37 [ sgn_u16::$1 ]
Allocated zp[2]:38 [ sgn_u16::w#2 sgn_u16::w#0 sgn_u16::w#1 ]
Allocated zp[2]:40 [ abs_u16::return#0 ]
Allocated zp[2]:42 [ abs_u16::return#1 ]
Allocated zp[2]:44 [ sgn_u16::return#0 ]
Allocated zp[2]:46 [ sgn_u16::return#1 ]
Allocated zp[2]:48 [ sgn_u16::return#4 ]
Allocated zp[1]:50 [ lines::l#2 lines::l#1 ]
Allocated zp[2]:51 [ memset::dst#2 memset::dst#4 memset::dst#1 ]
Allocated zp[2]:53 [ bitmap_init::yoffs#2 bitmap_init::yoffs#4 bitmap_init::yoffs#1 ]
Allocated zp[2]:55 [ init_screen::c#2 init_screen::c#1 ]
Allocated zp[1]:57 [ bitmap_init::bits#3 bitmap_init::bits#4 bitmap_init::bits#1 ]
Allocated zp[1]:58 [ bitmap_init::x#2 bitmap_init::x#1 ]
Allocated zp[1]:59 [ bitmap_init::y#2 bitmap_init::y#1 ]
Allocated zp[1]:60 [ bitmap_init::$4 ]
Allocated zp[1]:61 [ bitmap_init::$5 ]
Allocated zp[1]:62 [ bitmap_init::$6 ]
Allocated zp[2]:63 [ memset::end#0 ]
Allocated zp[1]:65 [ memset::c#4 ]
Allocated zp[2]:66 [ memset::num#2 ]
Allocated zp[1]:68 [ bitmap_init::$7 ]
Allocated zp[2]:69 [ memset::str#3 ]
REGISTER UPLIFT POTENTIAL REGISTERS
Statement [0] *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BORDER_COLOR) = 0 [ ] (  [ ] { }  ) always clobbers reg byte a 
Statement [1] *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BG_COLOR) = 0 [ ] (  [ ] { }  ) always clobbers reg byte a 
Statement [2] *D011 = VICII_BMM|VICII_DEN|VICII_RSEL|3 [ ] (  [ ] { }  ) always clobbers reg byte a 
Statement [3] *VICII_MEMORY = (char)(unsigned int)SCREEN&$3fff/$40|(unsigned int)BITMAP&$3fff/$400 [ ] (  [ ] { }  ) always clobbers reg byte a 
Statement [28] bitmap_init::yoffs#1 = bitmap_init::yoffs#2 + (unsigned int)$28*8 [ bitmap_init::y#2 bitmap_init::yoffs#1 ] ( bitmap_init:4 [ bitmap_init::y#2 bitmap_init::yoffs#1 ] { }  ) always clobbers reg byte a 
Removing always clobbered register reg byte a as potential for zp[1]:59 [ bitmap_init::y#2 bitmap_init::y#1 ]
Statement [40] if(init_screen::c#2!=SCREEN+$400) goto init_screen::@2 [ init_screen::c#2 ] ( init_screen:8 [ init_screen::c#2 ] { }  ) always clobbers reg byte a 
Statement [42] *init_screen::c#2 = $14 [ init_screen::c#2 ] ( init_screen:8 [ init_screen::c#2 ] { }  ) always clobbers reg byte a reg byte y 
Statement [48] bitmap_line::x1#0 = lines_x[lines::l#2] [ lines::l#2 bitmap_line::x1#0 ] ( lines:10 [ lines::l#2 bitmap_line::x1#0 ] { }  ) always clobbers reg byte a 
Removing always clobbered register reg byte a as potential for zp[1]:50 [ lines::l#2 lines::l#1 ]
Statement [49] bitmap_line::y1#0 = lines_y[lines::l#2] [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 ] ( lines:10 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 ] { }  ) always clobbers reg byte a 
Statement [50] bitmap_line::x2#0 = (lines_x+1)[lines::l#2] [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 ] ( lines:10 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 ] { }  ) always clobbers reg byte a 
Statement [51] bitmap_line::y2#0 = (lines_y+1)[lines::l#2] [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 ] ( lines:10 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 ] { }  ) always clobbers reg byte a 
Statement [55] if(memset::num#2<=0) goto memset::@return [ memset::num#2 memset::str#3 memset::c#4 ] ( bitmap_clear:6::memset:34 [ memset::num#2 memset::str#3 memset::c#4 ] { }  bitmap_clear:6::memset:36 [ memset::num#2 memset::str#3 memset::c#4 ] { }  ) always clobbers reg byte a 
Removing always clobbered register reg byte a as potential for zp[1]:65 [ memset::c#4 ]
Statement [56] memset::end#0 = (char *)memset::str#3 + memset::num#2 [ memset::str#3 memset::c#4 memset::end#0 ] ( bitmap_clear:6::memset:34 [ memset::str#3 memset::c#4 memset::end#0 ] { }  bitmap_clear:6::memset:36 [ memset::str#3 memset::c#4 memset::end#0 ] { }  ) always clobbers reg byte a 
Statement [57] memset::dst#4 = (char *)memset::str#3 [ memset::c#4 memset::end#0 memset::dst#4 ] ( bitmap_clear:6::memset:34 [ memset::c#4 memset::end#0 memset::dst#4 ] { }  bitmap_clear:6::memset:36 [ memset::c#4 memset::end#0 memset::dst#4 ] { }  ) always clobbers reg byte a 
Statement [59] if(memset::dst#2!=memset::end#0) goto memset::@3 [ memset::c#4 memset::end#0 memset::dst#2 ] ( bitmap_clear:6::memset:34 [ memset::c#4 memset::end#0 memset::dst#2 ] { }  bitmap_clear:6::memset:36 [ memset::c#4 memset::end#0 memset::dst#2 ] { }  ) always clobbers reg byte a 
Statement [61] *memset::dst#2 = memset::c#4 [ memset::c#4 memset::end#0 memset::dst#2 ] ( bitmap_clear:6::memset:34 [ memset::c#4 memset::end#0 memset::dst#2 ] { }  bitmap_clear:6::memset:36 [ memset::c#4 memset::end#0 memset::dst#2 ] { }  ) always clobbers reg byte a reg byte y 
Removing always clobbered register reg byte y as potential for zp[1]:65 [ memset::c#4 ]
Statement [63] abs_u16::w#0 = bitmap_line::x2#0 - bitmap_line::x1#0 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 abs_u16::w#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 abs_u16::w#0 ] { { abs_u16::w#0 = abs_u16::w#2 } { abs_u16::return#0 = abs_u16::return#4 } }  ) always clobbers reg byte a 
Statement [65] abs_u16::return#0 = abs_u16::return#4 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 abs_u16::return#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 abs_u16::return#0 ] { { abs_u16::w#0 = abs_u16::w#2 } { abs_u16::return#0 = abs_u16::return#4 } }  ) always clobbers reg byte a 
Statement [66] bitmap_line::dx#0 = abs_u16::return#0 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 ] { { abs_u16::w#1 = abs_u16::w#2 } { abs_u16::return#1 = abs_u16::return#4 } }  ) always clobbers reg byte a 
Statement [67] abs_u16::w#1 = bitmap_line::y2#0 - bitmap_line::y1#0 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 abs_u16::w#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 abs_u16::w#1 ] { { abs_u16::w#1 = abs_u16::w#2 } { abs_u16::return#1 = abs_u16::return#4 } }  ) always clobbers reg byte a 
Statement [69] abs_u16::return#1 = abs_u16::return#4 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 abs_u16::return#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 abs_u16::return#1 ] { { abs_u16::w#1 = abs_u16::w#2 } { abs_u16::return#1 = abs_u16::return#4 } }  ) always clobbers reg byte a 
Statement [70] bitmap_line::dy#0 = abs_u16::return#1 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 ] { }  ) always clobbers reg byte a 
Statement [71] if(bitmap_line::dx#0!=0) goto bitmap_line::@1 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 ] { }  ) always clobbers reg byte a 
Statement [72] if(bitmap_line::dy#0==0) goto bitmap_line::@4 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 ] { }  ) always clobbers reg byte a 
Statement [73] sgn_u16::w#0 = bitmap_line::x2#0 - bitmap_line::x1#0 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 sgn_u16::w#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 sgn_u16::w#0 ] { { sgn_u16::w#0 = sgn_u16::w#2 } { sgn_u16::return#0 = sgn_u16::return#4 } }  ) always clobbers reg byte a 
Statement [75] sgn_u16::return#0 = sgn_u16::return#4 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 sgn_u16::return#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 sgn_u16::return#0 ] { { sgn_u16::w#0 = sgn_u16::w#2 } { sgn_u16::return#0 = sgn_u16::return#4 } }  ) always clobbers reg byte a 
Statement [76] bitmap_line::sx#0 = sgn_u16::return#0 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 ] { { sgn_u16::w#1 = sgn_u16::w#2 } { sgn_u16::return#1 = sgn_u16::return#4 } }  ) always clobbers reg byte a 
Statement [77] sgn_u16::w#1 = bitmap_line::y2#0 - bitmap_line::y1#0 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 sgn_u16::w#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 sgn_u16::w#1 ] { { sgn_u16::w#1 = sgn_u16::w#2 } { sgn_u16::return#1 = sgn_u16::return#4 } }  ) always clobbers reg byte a 
Statement [79] sgn_u16::return#1 = sgn_u16::return#4 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 sgn_u16::return#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 sgn_u16::return#1 ] { { sgn_u16::w#1 = sgn_u16::w#2 } { sgn_u16::return#1 = sgn_u16::return#4 } }  ) always clobbers reg byte a 
Statement [80] bitmap_line::sy#0 = sgn_u16::return#1 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 ] { }  ) always clobbers reg byte a 
Statement [81] if(bitmap_line::dx#0>bitmap_line::dy#0) goto bitmap_line::@2 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 ] { }  ) always clobbers reg byte a 
Statement [82] bitmap_line::e#0 = bitmap_line::dx#0 >> 1 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::e#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::e#0 ] { }  ) always clobbers reg byte a 
Statement [84] bitmap_plot::x#1 = bitmap_line::x#13 [ bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#4 bitmap_line::e#3 bitmap_plot::x#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#4 bitmap_line::e#3 bitmap_plot::x#1 ] { { bitmap_plot::y#1 = bitmap_plot::y#4 } { bitmap_plot::x#1 = bitmap_plot::x#4 bitmap_line::x#13 } }  ) always clobbers reg byte a 
Statement [87] bitmap_line::y#1 = bitmap_line::y#4 + bitmap_line::sy#0 [ bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::e#3 bitmap_line::y#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::e#3 bitmap_line::y#1 ] { }  ) always clobbers reg byte a 
Statement [88] bitmap_line::e#1 = bitmap_line::e#3 + bitmap_line::dx#0 [ bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#1 bitmap_line::e#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#1 bitmap_line::e#1 ] { }  ) always clobbers reg byte a 
Statement [89] if(bitmap_line::dy#0>=bitmap_line::e#1) goto bitmap_line::@7 [ bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#1 bitmap_line::e#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#1 bitmap_line::e#1 ] { }  ) always clobbers reg byte a 
Statement [90] bitmap_line::x#1 = bitmap_line::x#13 + bitmap_line::sx#0 [ bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::y#1 bitmap_line::e#1 bitmap_line::x#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::y#1 bitmap_line::e#1 bitmap_line::x#1 ] { }  ) always clobbers reg byte a 
Statement [91] bitmap_line::e#2 = bitmap_line::e#1 - bitmap_line::dy#0 [ bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::y#1 bitmap_line::x#1 bitmap_line::e#2 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::y#1 bitmap_line::x#1 bitmap_line::e#2 ] { }  ) always clobbers reg byte a 
Statement [93] if(bitmap_line::y#1!=bitmap_line::y2#0) goto bitmap_line::@6 [ bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#12 bitmap_line::y#1 bitmap_line::e#6 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#12 bitmap_line::y#1 bitmap_line::e#6 ] { }  ) always clobbers reg byte a 
Statement [95] bitmap_plot::x#2 = bitmap_line::x#6 [ bitmap_line::y#7 bitmap_plot::x#2 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y#7 bitmap_plot::x#2 ] { { bitmap_plot::y#2 = bitmap_plot::y#4 } { bitmap_plot::x#2 = bitmap_plot::x#4 bitmap_line::x#6 } }  ) always clobbers reg byte a 
Statement [99] bitmap_line::e1#0 = bitmap_line::dy#0 >> 1 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::e1#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::e1#0 ] { }  ) always clobbers reg byte a 
Statement [101] bitmap_plot::x#3 = bitmap_line::x#7 [ bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#7 bitmap_line::y#15 bitmap_line::e1#3 bitmap_plot::x#3 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#7 bitmap_line::y#15 bitmap_line::e1#3 bitmap_plot::x#3 ] { { bitmap_plot::y#3 = bitmap_plot::y#4 } { bitmap_plot::x#3 = bitmap_plot::x#4 bitmap_line::x#7 } }  ) always clobbers reg byte a 
Statement [104] bitmap_line::x#15 = bitmap_line::x#7 + bitmap_line::sx#0 [ bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#15 bitmap_line::e1#3 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#15 bitmap_line::e1#3 ] { }  ) always clobbers reg byte a 
Statement [105] bitmap_line::e1#1 = bitmap_line::e1#3 + bitmap_line::dy#0 [ bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#15 bitmap_line::e1#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#15 bitmap_line::e1#1 ] { }  ) always clobbers reg byte a 
Statement [106] if(bitmap_line::dx#0>=bitmap_line::e1#1) goto bitmap_line::@10 [ bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#15 bitmap_line::e1#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#15 bitmap_line::e1#1 ] { }  ) always clobbers reg byte a 
Statement [107] bitmap_line::y#2 = bitmap_line::y#15 + bitmap_line::sy#0 [ bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::e1#1 bitmap_line::y#2 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::e1#1 bitmap_line::y#2 ] { }  ) always clobbers reg byte a 
Statement [108] bitmap_line::e1#2 = bitmap_line::e1#1 - bitmap_line::dx#0 [ bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#2 bitmap_line::e1#2 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#2 bitmap_line::e1#2 ] { }  ) always clobbers reg byte a 
Statement [110] if(bitmap_line::x#15!=bitmap_line::x2#0) goto bitmap_line::@9 [ bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#13 bitmap_line::e1#6 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#13 bitmap_line::e1#6 ] { }  ) always clobbers reg byte a 
Statement [111] bitmap_plot::x#0 = bitmap_line::x1#0 [ bitmap_line::y1#0 bitmap_plot::x#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y1#0 bitmap_plot::x#0 ] { { bitmap_plot::y#0 = bitmap_plot::y#4 } { bitmap_plot::x#0 = bitmap_plot::x#4 bitmap_line::x1#0 } }  ) always clobbers reg byte a 
Statement [118] abs_u16::return#2 = - abs_u16::w#2 [ abs_u16::return#2 ] ( lines:10::bitmap_line:52::abs_u16:64 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 abs_u16::return#2 ] { { abs_u16::w#0 = abs_u16::w#2 } { abs_u16::return#0 = abs_u16::return#4 } }  lines:10::bitmap_line:52::abs_u16:68 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 abs_u16::return#2 ] { { abs_u16::w#1 = abs_u16::w#2 } { abs_u16::return#1 = abs_u16::return#4 } }  ) always clobbers reg byte a 
Statement [129] bitmap_plot::plotter#0 = bitmap_plot_yhi[bitmap_plot::y#4] w= bitmap_plot_ylo[bitmap_plot::y#4] [ bitmap_plot::x#4 bitmap_plot::plotter#0 ] ( lines:10::bitmap_line:52::bitmap_plot:86 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#4 bitmap_line::e#3 bitmap_plot::x#4 bitmap_plot::plotter#0 ] { { bitmap_plot::y#1 = bitmap_plot::y#4 } { bitmap_plot::x#1 = bitmap_plot::x#4 bitmap_line::x#13 } }  lines:10::bitmap_line:52::bitmap_plot:97 [ lines::l#2 bitmap_plot::x#4 bitmap_plot::plotter#0 ] { { bitmap_plot::y#2 = bitmap_plot::y#4 } { bitmap_plot::x#2 = bitmap_plot::x#4 bitmap_line::x#6 } }  lines:10::bitmap_line:52::bitmap_plot:103 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#7 bitmap_line::y#15 bitmap_line::e1#3 bitmap_plot::x#4 bitmap_plot::plotter#0 ] { { bitmap_plot::y#3 = bitmap_plot::y#4 } { bitmap_plot::x#3 = bitmap_plot::x#4 bitmap_line::x#7 } }  lines:10::bitmap_line:52::bitmap_plot:113 [ lines::l#2 bitmap_plot::x#4 bitmap_plot::plotter#0 ] { { bitmap_plot::y#0 = bitmap_plot::y#4 } { bitmap_plot::x#0 = bitmap_plot::x#4 bitmap_line::x1#0 } }  ) always clobbers reg byte a 
Statement [130] bitmap_plot::$1 = bitmap_plot::x#4 & $fff8 [ bitmap_plot::x#4 bitmap_plot::plotter#0 bitmap_plot::$1 ] ( lines:10::bitmap_line:52::bitmap_plot:86 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#4 bitmap_line::e#3 bitmap_plot::x#4 bitmap_plot::plotter#0 bitmap_plot::$1 ] { { bitmap_plot::y#1 = bitmap_plot::y#4 } { bitmap_plot::x#1 = bitmap_plot::x#4 bitmap_line::x#13 } }  lines:10::bitmap_line:52::bitmap_plot:97 [ lines::l#2 bitmap_plot::x#4 bitmap_plot::plotter#0 bitmap_plot::$1 ] { { bitmap_plot::y#2 = bitmap_plot::y#4 } { bitmap_plot::x#2 = bitmap_plot::x#4 bitmap_line::x#6 } }  lines:10::bitmap_line:52::bitmap_plot:103 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#7 bitmap_line::y#15 bitmap_line::e1#3 bitmap_plot::x#4 bitmap_plot::plotter#0 bitmap_plot::$1 ] { { bitmap_plot::y#3 = bitmap_plot::y#4 } { bitmap_plot::x#3 = bitmap_plot::x#4 bitmap_line::x#7 } }  lines:10::bitmap_line:52::bitmap_plot:113 [ lines::l#2 bitmap_plot::x#4 bitmap_plot::plotter#0 bitmap_plot::$1 ] { { bitmap_plot::y#0 = bitmap_plot::y#4 } { bitmap_plot::x#0 = bitmap_plot::x#4 bitmap_line::x1#0 } }  ) always clobbers reg byte a 
Statement [131] bitmap_plot::plotter#1 = (char *)bitmap_plot::plotter#0 + bitmap_plot::$1 [ bitmap_plot::x#4 bitmap_plot::plotter#1 ] ( lines:10::bitmap_line:52::bitmap_plot:86 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#4 bitmap_line::e#3 bitmap_plot::x#4 bitmap_plot::plotter#1 ] { { bitmap_plot::y#1 = bitmap_plot::y#4 } { bitmap_plot::x#1 = bitmap_plot::x#4 bitmap_line::x#13 } }  lines:10::bitmap_line:52::bitmap_plot:97 [ lines::l#2 bitmap_plot::x#4 bitmap_plot::plotter#1 ] { { bitmap_plot::y#2 = bitmap_plot::y#4 } { bitmap_plot::x#2 = bitmap_plot::x#4 bitmap_line::x#6 } }  lines:10::bitmap_line:52::bitmap_plot:103 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#7 bitmap_line::y#15 bitmap_line::e1#3 bitmap_plot::x#4 bitmap_plot::plotter#1 ] { { bitmap_plot::y#3 = bitmap_plot::y#4 } { bitmap_plot::x#3 = bitmap_plot::x#4 bitmap_line::x#7 } }  lines:10::bitmap_line:52::bitmap_plot:113 [ lines::l#2 bitmap_plot::x#4 bitmap_plot::plotter#1 ] { { bitmap_plot::y#0 = bitmap_plot::y#4 } { bitmap_plot::x#0 = bitmap_plot::x#4 bitmap_line::x1#0 } }  ) always clobbers reg byte a 
Statement [133] *bitmap_plot::plotter#1 = *bitmap_plot::plotter#1 | bitmap_plot_bit[bitmap_plot::$2] [ ] ( lines:10::bitmap_line:52::bitmap_plot:86 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#4 bitmap_line::e#3 ] { { bitmap_plot::y#1 = bitmap_plot::y#4 } { bitmap_plot::x#1 = bitmap_plot::x#4 bitmap_line::x#13 } }  lines:10::bitmap_line:52::bitmap_plot:97 [ lines::l#2 ] { { bitmap_plot::y#2 = bitmap_plot::y#4 } { bitmap_plot::x#2 = bitmap_plot::x#4 bitmap_line::x#6 } }  lines:10::bitmap_line:52::bitmap_plot:103 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#7 bitmap_line::y#15 bitmap_line::e1#3 ] { { bitmap_plot::y#3 = bitmap_plot::y#4 } { bitmap_plot::x#3 = bitmap_plot::x#4 bitmap_line::x#7 } }  lines:10::bitmap_line:52::bitmap_plot:113 [ lines::l#2 ] { { bitmap_plot::y#0 = bitmap_plot::y#4 } { bitmap_plot::x#0 = bitmap_plot::x#4 bitmap_line::x1#0 } }  ) always clobbers reg byte a reg byte y 
Removing always clobbered register reg byte y as potential for zp[1]:50 [ lines::l#2 lines::l#1 ]
Statement [0] *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BORDER_COLOR) = 0 [ ] (  [ ] { }  ) always clobbers reg byte a 
Statement [1] *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BG_COLOR) = 0 [ ] (  [ ] { }  ) always clobbers reg byte a 
Statement [2] *D011 = VICII_BMM|VICII_DEN|VICII_RSEL|3 [ ] (  [ ] { }  ) always clobbers reg byte a 
Statement [3] *VICII_MEMORY = (char)(unsigned int)SCREEN&$3fff/$40|(unsigned int)BITMAP&$3fff/$400 [ ] (  [ ] { }  ) always clobbers reg byte a 
Statement [21] bitmap_init::$7 = bitmap_init::y#2 & 7 [ bitmap_init::y#2 bitmap_init::yoffs#2 bitmap_init::$7 ] ( bitmap_init:4 [ bitmap_init::y#2 bitmap_init::yoffs#2 bitmap_init::$7 ] { }  ) always clobbers reg byte a 
Statement [28] bitmap_init::yoffs#1 = bitmap_init::yoffs#2 + (unsigned int)$28*8 [ bitmap_init::y#2 bitmap_init::yoffs#1 ] ( bitmap_init:4 [ bitmap_init::y#2 bitmap_init::yoffs#1 ] { }  ) always clobbers reg byte a 
Statement [40] if(init_screen::c#2!=SCREEN+$400) goto init_screen::@2 [ init_screen::c#2 ] ( init_screen:8 [ init_screen::c#2 ] { }  ) always clobbers reg byte a 
Statement [42] *init_screen::c#2 = $14 [ init_screen::c#2 ] ( init_screen:8 [ init_screen::c#2 ] { }  ) always clobbers reg byte a reg byte y 
Statement [48] bitmap_line::x1#0 = lines_x[lines::l#2] [ lines::l#2 bitmap_line::x1#0 ] ( lines:10 [ lines::l#2 bitmap_line::x1#0 ] { }  ) always clobbers reg byte a 
Statement [49] bitmap_line::y1#0 = lines_y[lines::l#2] [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 ] ( lines:10 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 ] { }  ) always clobbers reg byte a 
Statement [50] bitmap_line::x2#0 = (lines_x+1)[lines::l#2] [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 ] ( lines:10 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 ] { }  ) always clobbers reg byte a 
Statement [51] bitmap_line::y2#0 = (lines_y+1)[lines::l#2] [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 ] ( lines:10 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 ] { }  ) always clobbers reg byte a 
Statement [55] if(memset::num#2<=0) goto memset::@return [ memset::num#2 memset::str#3 memset::c#4 ] ( bitmap_clear:6::memset:34 [ memset::num#2 memset::str#3 memset::c#4 ] { }  bitmap_clear:6::memset:36 [ memset::num#2 memset::str#3 memset::c#4 ] { }  ) always clobbers reg byte a 
Statement [56] memset::end#0 = (char *)memset::str#3 + memset::num#2 [ memset::str#3 memset::c#4 memset::end#0 ] ( bitmap_clear:6::memset:34 [ memset::str#3 memset::c#4 memset::end#0 ] { }  bitmap_clear:6::memset:36 [ memset::str#3 memset::c#4 memset::end#0 ] { }  ) always clobbers reg byte a 
Statement [57] memset::dst#4 = (char *)memset::str#3 [ memset::c#4 memset::end#0 memset::dst#4 ] ( bitmap_clear:6::memset:34 [ memset::c#4 memset::end#0 memset::dst#4 ] { }  bitmap_clear:6::memset:36 [ memset::c#4 memset::end#0 memset::dst#4 ] { }  ) always clobbers reg byte a 
Statement [59] if(memset::dst#2!=memset::end#0) goto memset::@3 [ memset::c#4 memset::end#0 memset::dst#2 ] ( bitmap_clear:6::memset:34 [ memset::c#4 memset::end#0 memset::dst#2 ] { }  bitmap_clear:6::memset:36 [ memset::c#4 memset::end#0 memset::dst#2 ] { }  ) always clobbers reg byte a 
Statement [61] *memset::dst#2 = memset::c#4 [ memset::c#4 memset::end#0 memset::dst#2 ] ( bitmap_clear:6::memset:34 [ memset::c#4 memset::end#0 memset::dst#2 ] { }  bitmap_clear:6::memset:36 [ memset::c#4 memset::end#0 memset::dst#2 ] { }  ) always clobbers reg byte a reg byte y 
Statement [63] abs_u16::w#0 = bitmap_line::x2#0 - bitmap_line::x1#0 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 abs_u16::w#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 abs_u16::w#0 ] { { abs_u16::w#0 = abs_u16::w#2 } { abs_u16::return#0 = abs_u16::return#4 } }  ) always clobbers reg byte a 
Statement [65] abs_u16::return#0 = abs_u16::return#4 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 abs_u16::return#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 abs_u16::return#0 ] { { abs_u16::w#0 = abs_u16::w#2 } { abs_u16::return#0 = abs_u16::return#4 } }  ) always clobbers reg byte a 
Statement [66] bitmap_line::dx#0 = abs_u16::return#0 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 ] { { abs_u16::w#1 = abs_u16::w#2 } { abs_u16::return#1 = abs_u16::return#4 } }  ) always clobbers reg byte a 
Statement [67] abs_u16::w#1 = bitmap_line::y2#0 - bitmap_line::y1#0 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 abs_u16::w#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 abs_u16::w#1 ] { { abs_u16::w#1 = abs_u16::w#2 } { abs_u16::return#1 = abs_u16::return#4 } }  ) always clobbers reg byte a 
Statement [69] abs_u16::return#1 = abs_u16::return#4 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 abs_u16::return#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 abs_u16::return#1 ] { { abs_u16::w#1 = abs_u16::w#2 } { abs_u16::return#1 = abs_u16::return#4 } }  ) always clobbers reg byte a 
Statement [70] bitmap_line::dy#0 = abs_u16::return#1 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 ] { }  ) always clobbers reg byte a 
Statement [71] if(bitmap_line::dx#0!=0) goto bitmap_line::@1 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 ] { }  ) always clobbers reg byte a 
Statement [72] if(bitmap_line::dy#0==0) goto bitmap_line::@4 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 ] { }  ) always clobbers reg byte a 
Statement [73] sgn_u16::w#0 = bitmap_line::x2#0 - bitmap_line::x1#0 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 sgn_u16::w#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 sgn_u16::w#0 ] { { sgn_u16::w#0 = sgn_u16::w#2 } { sgn_u16::return#0 = sgn_u16::return#4 } }  ) always clobbers reg byte a 
Statement [75] sgn_u16::return#0 = sgn_u16::return#4 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 sgn_u16::return#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 sgn_u16::return#0 ] { { sgn_u16::w#0 = sgn_u16::w#2 } { sgn_u16::return#0 = sgn_u16::return#4 } }  ) always clobbers reg byte a 
Statement [76] bitmap_line::sx#0 = sgn_u16::return#0 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 ] { { sgn_u16::w#1 = sgn_u16::w#2 } { sgn_u16::return#1 = sgn_u16::return#4 } }  ) always clobbers reg byte a 
Statement [77] sgn_u16::w#1 = bitmap_line::y2#0 - bitmap_line::y1#0 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 sgn_u16::w#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 sgn_u16::w#1 ] { { sgn_u16::w#1 = sgn_u16::w#2 } { sgn_u16::return#1 = sgn_u16::return#4 } }  ) always clobbers reg byte a 
Statement [79] sgn_u16::return#1 = sgn_u16::return#4 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 sgn_u16::return#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 sgn_u16::return#1 ] { { sgn_u16::w#1 = sgn_u16::w#2 } { sgn_u16::return#1 = sgn_u16::return#4 } }  ) always clobbers reg byte a 
Statement [80] bitmap_line::sy#0 = sgn_u16::return#1 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 ] { }  ) always clobbers reg byte a 
Statement [81] if(bitmap_line::dx#0>bitmap_line::dy#0) goto bitmap_line::@2 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 ] { }  ) always clobbers reg byte a 
Statement [82] bitmap_line::e#0 = bitmap_line::dx#0 >> 1 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::e#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::e#0 ] { }  ) always clobbers reg byte a 
Statement [84] bitmap_plot::x#1 = bitmap_line::x#13 [ bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#4 bitmap_line::e#3 bitmap_plot::x#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#4 bitmap_line::e#3 bitmap_plot::x#1 ] { { bitmap_plot::y#1 = bitmap_plot::y#4 } { bitmap_plot::x#1 = bitmap_plot::x#4 bitmap_line::x#13 } }  ) always clobbers reg byte a 
Statement [87] bitmap_line::y#1 = bitmap_line::y#4 + bitmap_line::sy#0 [ bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::e#3 bitmap_line::y#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::e#3 bitmap_line::y#1 ] { }  ) always clobbers reg byte a 
Statement [88] bitmap_line::e#1 = bitmap_line::e#3 + bitmap_line::dx#0 [ bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#1 bitmap_line::e#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#1 bitmap_line::e#1 ] { }  ) always clobbers reg byte a 
Statement [89] if(bitmap_line::dy#0>=bitmap_line::e#1) goto bitmap_line::@7 [ bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#1 bitmap_line::e#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#1 bitmap_line::e#1 ] { }  ) always clobbers reg byte a 
Statement [90] bitmap_line::x#1 = bitmap_line::x#13 + bitmap_line::sx#0 [ bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::y#1 bitmap_line::e#1 bitmap_line::x#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::y#1 bitmap_line::e#1 bitmap_line::x#1 ] { }  ) always clobbers reg byte a 
Statement [91] bitmap_line::e#2 = bitmap_line::e#1 - bitmap_line::dy#0 [ bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::y#1 bitmap_line::x#1 bitmap_line::e#2 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::y#1 bitmap_line::x#1 bitmap_line::e#2 ] { }  ) always clobbers reg byte a 
Statement [93] if(bitmap_line::y#1!=bitmap_line::y2#0) goto bitmap_line::@6 [ bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#12 bitmap_line::y#1 bitmap_line::e#6 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#12 bitmap_line::y#1 bitmap_line::e#6 ] { }  ) always clobbers reg byte a 
Statement [95] bitmap_plot::x#2 = bitmap_line::x#6 [ bitmap_line::y#7 bitmap_plot::x#2 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y#7 bitmap_plot::x#2 ] { { bitmap_plot::y#2 = bitmap_plot::y#4 } { bitmap_plot::x#2 = bitmap_plot::x#4 bitmap_line::x#6 } }  ) always clobbers reg byte a 
Statement [99] bitmap_line::e1#0 = bitmap_line::dy#0 >> 1 [ bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::e1#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::e1#0 ] { }  ) always clobbers reg byte a 
Statement [101] bitmap_plot::x#3 = bitmap_line::x#7 [ bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#7 bitmap_line::y#15 bitmap_line::e1#3 bitmap_plot::x#3 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#7 bitmap_line::y#15 bitmap_line::e1#3 bitmap_plot::x#3 ] { { bitmap_plot::y#3 = bitmap_plot::y#4 } { bitmap_plot::x#3 = bitmap_plot::x#4 bitmap_line::x#7 } }  ) always clobbers reg byte a 
Statement [104] bitmap_line::x#15 = bitmap_line::x#7 + bitmap_line::sx#0 [ bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#15 bitmap_line::e1#3 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#15 bitmap_line::e1#3 ] { }  ) always clobbers reg byte a 
Statement [105] bitmap_line::e1#1 = bitmap_line::e1#3 + bitmap_line::dy#0 [ bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#15 bitmap_line::e1#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#15 bitmap_line::e1#1 ] { }  ) always clobbers reg byte a 
Statement [106] if(bitmap_line::dx#0>=bitmap_line::e1#1) goto bitmap_line::@10 [ bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#15 bitmap_line::e1#1 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#15 bitmap_line::e1#1 ] { }  ) always clobbers reg byte a 
Statement [107] bitmap_line::y#2 = bitmap_line::y#15 + bitmap_line::sy#0 [ bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::e1#1 bitmap_line::y#2 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::e1#1 bitmap_line::y#2 ] { }  ) always clobbers reg byte a 
Statement [108] bitmap_line::e1#2 = bitmap_line::e1#1 - bitmap_line::dx#0 [ bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#2 bitmap_line::e1#2 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#2 bitmap_line::e1#2 ] { }  ) always clobbers reg byte a 
Statement [110] if(bitmap_line::x#15!=bitmap_line::x2#0) goto bitmap_line::@9 [ bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#13 bitmap_line::e1#6 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#15 bitmap_line::y#13 bitmap_line::e1#6 ] { }  ) always clobbers reg byte a 
Statement [111] bitmap_plot::x#0 = bitmap_line::x1#0 [ bitmap_line::y1#0 bitmap_plot::x#0 ] ( lines:10::bitmap_line:52 [ lines::l#2 bitmap_line::y1#0 bitmap_plot::x#0 ] { { bitmap_plot::y#0 = bitmap_plot::y#4 } { bitmap_plot::x#0 = bitmap_plot::x#4 bitmap_line::x1#0 } }  ) always clobbers reg byte a 
Statement [118] abs_u16::return#2 = - abs_u16::w#2 [ abs_u16::return#2 ] ( lines:10::bitmap_line:52::abs_u16:64 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 abs_u16::return#2 ] { { abs_u16::w#0 = abs_u16::w#2 } { abs_u16::return#0 = abs_u16::return#4 } }  lines:10::bitmap_line:52::abs_u16:68 [ lines::l#2 bitmap_line::x1#0 bitmap_line::y1#0 bitmap_line::x2#0 bitmap_line::y2#0 bitmap_line::dx#0 abs_u16::return#2 ] { { abs_u16::w#1 = abs_u16::w#2 } { abs_u16::return#1 = abs_u16::return#4 } }  ) always clobbers reg byte a 
Statement [129] bitmap_plot::plotter#0 = bitmap_plot_yhi[bitmap_plot::y#4] w= bitmap_plot_ylo[bitmap_plot::y#4] [ bitmap_plot::x#4 bitmap_plot::plotter#0 ] ( lines:10::bitmap_line:52::bitmap_plot:86 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#4 bitmap_line::e#3 bitmap_plot::x#4 bitmap_plot::plotter#0 ] { { bitmap_plot::y#1 = bitmap_plot::y#4 } { bitmap_plot::x#1 = bitmap_plot::x#4 bitmap_line::x#13 } }  lines:10::bitmap_line:52::bitmap_plot:97 [ lines::l#2 bitmap_plot::x#4 bitmap_plot::plotter#0 ] { { bitmap_plot::y#2 = bitmap_plot::y#4 } { bitmap_plot::x#2 = bitmap_plot::x#4 bitmap_line::x#6 } }  lines:10::bitmap_line:52::bitmap_plot:103 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#7 bitmap_line::y#15 bitmap_line::e1#3 bitmap_plot::x#4 bitmap_plot::plotter#0 ] { { bitmap_plot::y#3 = bitmap_plot::y#4 } { bitmap_plot::x#3 = bitmap_plot::x#4 bitmap_line::x#7 } }  lines:10::bitmap_line:52::bitmap_plot:113 [ lines::l#2 bitmap_plot::x#4 bitmap_plot::plotter#0 ] { { bitmap_plot::y#0 = bitmap_plot::y#4 } { bitmap_plot::x#0 = bitmap_plot::x#4 bitmap_line::x1#0 } }  ) always clobbers reg byte a 
Statement [130] bitmap_plot::$1 = bitmap_plot::x#4 & $fff8 [ bitmap_plot::x#4 bitmap_plot::plotter#0 bitmap_plot::$1 ] ( lines:10::bitmap_line:52::bitmap_plot:86 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#4 bitmap_line::e#3 bitmap_plot::x#4 bitmap_plot::plotter#0 bitmap_plot::$1 ] { { bitmap_plot::y#1 = bitmap_plot::y#4 } { bitmap_plot::x#1 = bitmap_plot::x#4 bitmap_line::x#13 } }  lines:10::bitmap_line:52::bitmap_plot:97 [ lines::l#2 bitmap_plot::x#4 bitmap_plot::plotter#0 bitmap_plot::$1 ] { { bitmap_plot::y#2 = bitmap_plot::y#4 } { bitmap_plot::x#2 = bitmap_plot::x#4 bitmap_line::x#6 } }  lines:10::bitmap_line:52::bitmap_plot:103 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#7 bitmap_line::y#15 bitmap_line::e1#3 bitmap_plot::x#4 bitmap_plot::plotter#0 bitmap_plot::$1 ] { { bitmap_plot::y#3 = bitmap_plot::y#4 } { bitmap_plot::x#3 = bitmap_plot::x#4 bitmap_line::x#7 } }  lines:10::bitmap_line:52::bitmap_plot:113 [ lines::l#2 bitmap_plot::x#4 bitmap_plot::plotter#0 bitmap_plot::$1 ] { { bitmap_plot::y#0 = bitmap_plot::y#4 } { bitmap_plot::x#0 = bitmap_plot::x#4 bitmap_line::x1#0 } }  ) always clobbers reg byte a 
Statement [131] bitmap_plot::plotter#1 = (char *)bitmap_plot::plotter#0 + bitmap_plot::$1 [ bitmap_plot::x#4 bitmap_plot::plotter#1 ] ( lines:10::bitmap_line:52::bitmap_plot:86 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#4 bitmap_line::e#3 bitmap_plot::x#4 bitmap_plot::plotter#1 ] { { bitmap_plot::y#1 = bitmap_plot::y#4 } { bitmap_plot::x#1 = bitmap_plot::x#4 bitmap_line::x#13 } }  lines:10::bitmap_line:52::bitmap_plot:97 [ lines::l#2 bitmap_plot::x#4 bitmap_plot::plotter#1 ] { { bitmap_plot::y#2 = bitmap_plot::y#4 } { bitmap_plot::x#2 = bitmap_plot::x#4 bitmap_line::x#6 } }  lines:10::bitmap_line:52::bitmap_plot:103 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#7 bitmap_line::y#15 bitmap_line::e1#3 bitmap_plot::x#4 bitmap_plot::plotter#1 ] { { bitmap_plot::y#3 = bitmap_plot::y#4 } { bitmap_plot::x#3 = bitmap_plot::x#4 bitmap_line::x#7 } }  lines:10::bitmap_line:52::bitmap_plot:113 [ lines::l#2 bitmap_plot::x#4 bitmap_plot::plotter#1 ] { { bitmap_plot::y#0 = bitmap_plot::y#4 } { bitmap_plot::x#0 = bitmap_plot::x#4 bitmap_line::x1#0 } }  ) always clobbers reg byte a 
Statement [133] *bitmap_plot::plotter#1 = *bitmap_plot::plotter#1 | bitmap_plot_bit[bitmap_plot::$2] [ ] ( lines:10::bitmap_line:52::bitmap_plot:86 [ lines::l#2 bitmap_line::y2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#13 bitmap_line::y#4 bitmap_line::e#3 ] { { bitmap_plot::y#1 = bitmap_plot::y#4 } { bitmap_plot::x#1 = bitmap_plot::x#4 bitmap_line::x#13 } }  lines:10::bitmap_line:52::bitmap_plot:97 [ lines::l#2 ] { { bitmap_plot::y#2 = bitmap_plot::y#4 } { bitmap_plot::x#2 = bitmap_plot::x#4 bitmap_line::x#6 } }  lines:10::bitmap_line:52::bitmap_plot:103 [ lines::l#2 bitmap_line::x2#0 bitmap_line::dx#0 bitmap_line::dy#0 bitmap_line::sx#0 bitmap_line::sy#0 bitmap_line::x#7 bitmap_line::y#15 bitmap_line::e1#3 ] { { bitmap_plot::y#3 = bitmap_plot::y#4 } { bitmap_plot::x#3 = bitmap_plot::x#4 bitmap_line::x#7 } }  lines:10::bitmap_line:52::bitmap_plot:113 [ lines::l#2 ] { { bitmap_plot::y#0 = bitmap_plot::y#4 } { bitmap_plot::x#0 = bitmap_plot::x#4 bitmap_line::x1#0 } }  ) always clobbers reg byte a reg byte y 
Potential registers zp[1]:57 [ bitmap_init::bits#3 bitmap_init::bits#4 bitmap_init::bits#1 ] : zp[1]:57 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:58 [ bitmap_init::x#2 bitmap_init::x#1 ] : zp[1]:58 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:59 [ bitmap_init::y#2 bitmap_init::y#1 ] : zp[1]:59 , reg byte x , reg byte y , 
Potential registers zp[2]:53 [ bitmap_init::yoffs#2 bitmap_init::yoffs#4 bitmap_init::yoffs#1 ] : zp[2]:53 , 
Potential registers zp[2]:55 [ init_screen::c#2 init_screen::c#1 ] : zp[2]:55 , 
Potential registers zp[1]:50 [ lines::l#2 lines::l#1 ] : zp[1]:50 , reg byte x , 
Potential registers zp[2]:66 [ memset::num#2 ] : zp[2]:66 , 
Potential registers zp[2]:69 [ memset::str#3 ] : zp[2]:69 , 
Potential registers zp[1]:65 [ memset::c#4 ] : zp[1]:65 , reg byte x , 
Potential registers zp[2]:51 [ memset::dst#2 memset::dst#4 memset::dst#1 ] : zp[2]:51 , 
Potential registers zp[2]:16 [ bitmap_line::e#3 bitmap_line::e#0 bitmap_line::e#6 bitmap_line::e#1 bitmap_line::e#2 ] : zp[2]:16 , 
Potential registers zp[2]:10 [ bitmap_line::x#7 bitmap_line::x#6 bitmap_line::x#15 bitmap_line::x#13 bitmap_line::x1#0 bitmap_line::x#12 bitmap_line::x#1 ] : zp[2]:10 , 
Potential registers zp[2]:12 [ bitmap_line::y#15 bitmap_line::y#7 bitmap_line::y#13 bitmap_line::y#4 bitmap_line::y1#0 bitmap_line::y#1 bitmap_line::y#2 ] : zp[2]:12 , 
Potential registers zp[2]:14 [ bitmap_line::e1#3 bitmap_line::e1#6 bitmap_line::e1#0 bitmap_line::e1#2 bitmap_line::e1#1 ] : zp[2]:14 , 
Potential registers zp[2]:28 [ abs_u16::return#4 abs_u16::return#2 abs_u16::w#2 abs_u16::w#0 abs_u16::w#1 ] : zp[2]:28 , 
Potential registers zp[2]:38 [ sgn_u16::w#2 sgn_u16::w#0 sgn_u16::w#1 ] : zp[2]:38 , 
Potential registers zp[2]:48 [ sgn_u16::return#4 ] : zp[2]:48 , 
Potential registers zp[1]:2 [ bitmap_plot::y#4 bitmap_plot::y#2 bitmap_plot::y#0 bitmap_plot::y#1 bitmap_plot::y#3 ] : zp[1]:2 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[2]:8 [ bitmap_plot::x#4 bitmap_plot::x#2 bitmap_plot::x#0 bitmap_plot::x#1 bitmap_plot::x#3 ] : zp[2]:8 , 
Potential registers zp[1]:68 [ bitmap_init::$7 ] : zp[1]:68 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:60 [ bitmap_init::$4 ] : zp[1]:60 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:61 [ bitmap_init::$5 ] : zp[1]:61 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:62 [ bitmap_init::$6 ] : zp[1]:62 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[2]:32 [ bitmap_line::x2#0 ] : zp[2]:32 , 
Potential registers zp[2]:30 [ bitmap_line::y2#0 ] : zp[2]:30 , 
Potential registers zp[2]:63 [ memset::end#0 ] : zp[2]:63 , 
Potential registers zp[2]:40 [ abs_u16::return#0 ] : zp[2]:40 , 
Potential registers zp[2]:24 [ bitmap_line::dx#0 ] : zp[2]:24 , 
Potential registers zp[2]:42 [ abs_u16::return#1 ] : zp[2]:42 , 
Potential registers zp[2]:20 [ bitmap_line::dy#0 ] : zp[2]:20 , 
Potential registers zp[2]:44 [ sgn_u16::return#0 ] : zp[2]:44 , 
Potential registers zp[2]:26 [ bitmap_line::sx#0 ] : zp[2]:26 , 
Potential registers zp[2]:46 [ sgn_u16::return#1 ] : zp[2]:46 , 
Potential registers zp[2]:22 [ bitmap_line::sy#0 ] : zp[2]:22 , 
Potential registers zp[1]:34 [ abs_u16::$0 ] : zp[1]:34 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:35 [ abs_u16::$1 ] : zp[1]:35 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:36 [ sgn_u16::$0 ] : zp[1]:36 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[1]:37 [ sgn_u16::$1 ] : zp[1]:37 , reg byte a , reg byte x , reg byte y , 
Potential registers zp[2]:18 [ bitmap_plot::plotter#0 ] : zp[2]:18 , 
Potential registers zp[2]:3 [ bitmap_plot::$1 ] : zp[2]:3 , 
Potential registers zp[2]:6 [ bitmap_plot::plotter#1 ] : zp[2]:6 , 
Potential registers zp[1]:5 [ bitmap_plot::$2 ] : zp[1]:5 , reg byte a , reg byte x , reg byte y , 

REGISTER UPLIFT SCOPES
Uplift Scope [bitmap_plot] 2,600,600,014: zp[1]:2 [ bitmap_plot::y#4 bitmap_plot::y#2 bitmap_plot::y#0 bitmap_plot::y#1 bitmap_plot::y#3 ] 2,000,000,002: zp[2]:3 [ bitmap_plot::$1 ] 2,000,000,002: zp[1]:5 [ bitmap_plot::$2 ] 1,500,000,001.5: zp[2]:6 [ bitmap_plot::plotter#1 ] 750,250,005.5: zp[2]:8 [ bitmap_plot::x#4 bitmap_plot::x#2 bitmap_plot::x#0 bitmap_plot::x#1 bitmap_plot::x#3 ] 500,000,000.5: zp[2]:18 [ bitmap_plot::plotter#0 ] 
Uplift Scope [bitmap_line] 689,445,408.53: zp[2]:10 [ bitmap_line::x#7 bitmap_line::x#6 bitmap_line::x#15 bitmap_line::x#13 bitmap_line::x1#0 bitmap_line::x#12 bitmap_line::x#1 ] 550,055,691.81: zp[2]:12 [ bitmap_line::y#15 bitmap_line::y#7 bitmap_line::y#13 bitmap_line::y#4 bitmap_line::y1#0 bitmap_line::y#1 bitmap_line::y#2 ] 523,553,340.77: zp[2]:14 [ bitmap_line::e1#3 bitmap_line::e1#6 bitmap_line::e1#0 bitmap_line::e1#2 bitmap_line::e1#1 ] 523,553,340.77: zp[2]:16 [ bitmap_line::e#3 bitmap_line::e#0 bitmap_line::e#6 bitmap_line::e#1 bitmap_line::e#2 ] 8,344,444.64: zp[2]:20 [ bitmap_line::dy#0 ] 7,696,153.96: zp[2]:22 [ bitmap_line::sy#0 ] 7,510,000.18: zp[2]:24 [ bitmap_line::dx#0 ] 6,670,000.1: zp[2]:26 [ bitmap_line::sx#0 ] 3,131,562.62: zp[2]:30 [ bitmap_line::y2#0 ] 3,036,666.79: zp[2]:32 [ bitmap_line::x2#0 ] 
Uplift Scope [abs_u16] 3,750,008.25: zp[2]:28 [ abs_u16::return#4 abs_u16::return#2 abs_u16::w#2 abs_u16::w#0 abs_u16::w#1 ] 2,000,002: zp[1]:34 [ abs_u16::$0 ] 2,000,002: zp[1]:35 [ abs_u16::$1 ] 200,002: zp[2]:40 [ abs_u16::return#0 ] 200,002: zp[2]:42 [ abs_u16::return#1 ] 
Uplift Scope [sgn_u16] 2,000,002: zp[1]:36 [ sgn_u16::$0 ] 2,000,002: zp[1]:37 [ sgn_u16::$1 ] 1,600,007: zp[2]:38 [ sgn_u16::w#2 sgn_u16::w#0 sgn_u16::w#1 ] 200,002: zp[2]:44 [ sgn_u16::return#0 ] 200,002: zp[2]:46 [ sgn_u16::return#1 ] 50,000.5: zp[2]:48 [ sgn_u16::return#4 ] 
Uplift Scope [lines] 30,003: zp[1]:50 [ lines::l#2 lines::l#1 ] 
Uplift Scope [memset] 3,572.33: zp[2]:51 [ memset::dst#2 memset::dst#4 memset::dst#1 ] 183.67: zp[2]:63 [ memset::end#0 ] 125.12: zp[1]:65 [ memset::c#4 ] 101: zp[2]:66 [ memset::num#2 ] 0: zp[2]:69 [ memset::str#3 ] 
Uplift Scope [bitmap_init] 366.12: zp[2]:53 [ bitmap_init::yoffs#2 bitmap_init::yoffs#4 bitmap_init::yoffs#1 ] 319.83: zp[1]:57 [ bitmap_init::bits#3 bitmap_init::bits#4 bitmap_init::bits#1 ] 202: zp[1]:58 [ bitmap_init::x#2 bitmap_init::x#1 ] 202: zp[1]:59 [ bitmap_init::y#2 bitmap_init::y#1 ] 202: zp[1]:60 [ bitmap_init::$4 ] 202: zp[1]:61 [ bitmap_init::$5 ] 202: zp[1]:62 [ bitmap_init::$6 ] 50.5: zp[1]:68 [ bitmap_init::$7 ] 
Uplift Scope [init_screen] 336.67: zp[2]:55 [ init_screen::c#2 init_screen::c#1 ] 
Uplift Scope [MOS6526_CIA] 
Uplift Scope [MOS6569_VICII] 
Uplift Scope [MOS6581_SID] 
Uplift Scope [bitmap_clear] 
Uplift Scope [main] 
Uplift Scope [] 

Uplifting [bitmap_plot] best 297378 combination reg byte x [ bitmap_plot::y#4 bitmap_plot::y#2 bitmap_plot::y#0 bitmap_plot::y#1 bitmap_plot::y#3 ] zp[2]:3 [ bitmap_plot::$1 ] reg byte x [ bitmap_plot::$2 ] zp[2]:6 [ bitmap_plot::plotter#1 ] zp[2]:8 [ bitmap_plot::x#4 bitmap_plot::x#2 bitmap_plot::x#0 bitmap_plot::x#1 bitmap_plot::x#3 ] zp[2]:18 [ bitmap_plot::plotter#0 ] 
Uplifting [bitmap_line] best 297378 combination zp[2]:10 [ bitmap_line::x#7 bitmap_line::x#6 bitmap_line::x#15 bitmap_line::x#13 bitmap_line::x1#0 bitmap_line::x#12 bitmap_line::x#1 ] zp[2]:12 [ bitmap_line::y#15 bitmap_line::y#7 bitmap_line::y#13 bitmap_line::y#4 bitmap_line::y1#0 bitmap_line::y#1 bitmap_line::y#2 ] zp[2]:14 [ bitmap_line::e1#3 bitmap_line::e1#6 bitmap_line::e1#0 bitmap_line::e1#2 bitmap_line::e1#1 ] zp[2]:16 [ bitmap_line::e#3 bitmap_line::e#0 bitmap_line::e#6 bitmap_line::e#1 bitmap_line::e#2 ] zp[2]:20 [ bitmap_line::dy#0 ] zp[2]:22 [ bitmap_line::sy#0 ] zp[2]:24 [ bitmap_line::dx#0 ] zp[2]:26 [ bitmap_line::sx#0 ] zp[2]:30 [ bitmap_line::y2#0 ] zp[2]:32 [ bitmap_line::x2#0 ] 
Uplifting [abs_u16] best 297368 combination zp[2]:28 [ abs_u16::return#4 abs_u16::return#2 abs_u16::w#2 abs_u16::w#0 abs_u16::w#1 ] reg byte a [ abs_u16::$0 ] reg byte a [ abs_u16::$1 ] zp[2]:40 [ abs_u16::return#0 ] zp[2]:42 [ abs_u16::return#1 ] 
Uplifting [sgn_u16] best 297358 combination reg byte a [ sgn_u16::$0 ] reg byte a [ sgn_u16::$1 ] zp[2]:38 [ sgn_u16::w#2 sgn_u16::w#0 sgn_u16::w#1 ] zp[2]:44 [ sgn_u16::return#0 ] zp[2]:46 [ sgn_u16::return#1 ] zp[2]:48 [ sgn_u16::return#4 ] 
Uplifting [lines] best 297358 combination zp[1]:50 [ lines::l#2 lines::l#1 ] 
Uplifting [memset] best 297342 combination zp[2]:51 [ memset::dst#2 memset::dst#4 memset::dst#1 ] zp[2]:63 [ memset::end#0 ] reg byte x [ memset::c#4 ] zp[2]:66 [ memset::num#2 ] zp[2]:69 [ memset::str#3 ] 
Uplifting [bitmap_init] best 296892 combination zp[2]:53 [ bitmap_init::yoffs#2 bitmap_init::yoffs#4 bitmap_init::yoffs#1 ] reg byte a [ bitmap_init::bits#3 bitmap_init::bits#4 bitmap_init::bits#1 ] reg byte x [ bitmap_init::x#2 bitmap_init::x#1 ] reg byte x [ bitmap_init::y#2 bitmap_init::y#1 ] reg byte a [ bitmap_init::$4 ] zp[1]:61 [ bitmap_init::$5 ] zp[1]:62 [ bitmap_init::$6 ] zp[1]:68 [ bitmap_init::$7 ] 
Limited combination testing to 100 combinations of 12288 possible.
Uplifting [init_screen] best 296892 combination zp[2]:55 [ init_screen::c#2 init_screen::c#1 ] 
Uplifting [MOS6526_CIA] best 296892 combination 
Uplifting [MOS6569_VICII] best 296892 combination 
Uplifting [MOS6581_SID] best 296892 combination 
Uplifting [bitmap_clear] best 296892 combination 
Uplifting [main] best 296892 combination 
Uplifting [] best 296892 combination 
Attempting to uplift remaining variables inzp[1]:50 [ lines::l#2 lines::l#1 ]
Uplifting [lines] best 296892 combination zp[1]:50 [ lines::l#2 lines::l#1 ] 
Attempting to uplift remaining variables inzp[1]:61 [ bitmap_init::$5 ]
Uplifting [bitmap_init] best 296832 combination reg byte a [ bitmap_init::$5 ] 
Attempting to uplift remaining variables inzp[1]:62 [ bitmap_init::$6 ]
Uplifting [bitmap_init] best 296772 combination reg byte a [ bitmap_init::$6 ] 
Attempting to uplift remaining variables inzp[1]:68 [ bitmap_init::$7 ]
Uplifting [bitmap_init] best 296772 combination zp[1]:68 [ bitmap_init::$7 ] 
Coalescing zero page register [ zp[2]:10 [ bitmap_line::x#7 bitmap_line::x#6 bitmap_line::x#15 bitmap_line::x#13 bitmap_line::x1#0 bitmap_line::x#12 bitmap_line::x#1 ] ] with [ zp[2]:8 [ bitmap_plot::x#4 bitmap_plot::x#2 bitmap_plot::x#0 bitmap_plot::x#1 bitmap_plot::x#3 ] ] - score: 4
Coalescing zero page register [ zp[2]:66 [ memset::num#2 ] ] with [ zp[2]:63 [ memset::end#0 ] ] - score: 1
Coalescing zero page register [ zp[2]:69 [ memset::str#3 ] ] with [ zp[2]:51 [ memset::dst#2 memset::dst#4 memset::dst#1 ] ] - score: 1
Coalescing zero page register [ zp[2]:28 [ abs_u16::return#4 abs_u16::return#2 abs_u16::w#2 abs_u16::w#0 abs_u16::w#1 ] ] with [ zp[2]:40 [ abs_u16::return#0 ] ] - score: 1
Coalescing zero page register [ zp[2]:28 [ abs_u16::return#4 abs_u16::return#2 abs_u16::w#2 abs_u16::w#0 abs_u16::w#1 abs_u16::return#0 ] ] with [ zp[2]:42 [ abs_u16::return#1 ] ] - score: 1
Coalescing zero page register [ zp[2]:48 [ sgn_u16::return#4 ] ] with [ zp[2]:44 [ sgn_u16::return#0 ] ] - score: 1
Coalescing zero page register [ zp[2]:48 [ sgn_u16::return#4 sgn_u16::return#0 ] ] with [ zp[2]:46 [ sgn_u16::return#1 ] ] - score: 1
Coalescing zero page register [ zp[2]:18 [ bitmap_plot::plotter#0 ] ] with [ zp[2]:6 [ bitmap_plot::plotter#1 ] ] - score: 1
Coalescing zero page register [ zp[2]:28 [ abs_u16::return#4 abs_u16::return#2 abs_u16::w#2 abs_u16::w#0 abs_u16::w#1 abs_u16::return#0 abs_u16::return#1 ] ] with [ zp[2]:20 [ bitmap_line::dy#0 ] ] - score: 1
Coalescing zero page register [ zp[2]:48 [ sgn_u16::return#4 sgn_u16::return#0 sgn_u16::return#1 ] ] with [ zp[2]:22 [ bitmap_line::sy#0 ] ] - score: 1
Coalescing zero page register [ zp[2]:55 [ init_screen::c#2 init_screen::c#1 ] ] with [ zp[2]:53 [ bitmap_init::yoffs#2 bitmap_init::yoffs#4 bitmap_init::yoffs#1 ] ]
Coalescing zero page register [ zp[2]:16 [ bitmap_line::e#3 bitmap_line::e#0 bitmap_line::e#6 bitmap_line::e#1 bitmap_line::e#2 ] ] with [ zp[2]:66 [ memset::num#2 memset::end#0 ] ]
Coalescing zero page register [ zp[2]:10 [ bitmap_line::x#7 bitmap_line::x#6 bitmap_line::x#15 bitmap_line::x#13 bitmap_line::x1#0 bitmap_line::x#12 bitmap_line::x#1 bitmap_plot::x#4 bitmap_plot::x#2 bitmap_plot::x#0 bitmap_plot::x#1 bitmap_plot::x#3 ] ] with [ zp[2]:69 [ memset::str#3 memset::dst#2 memset::dst#4 memset::dst#1 ] ]
Coalescing zero page register [ zp[1]:68 [ bitmap_init::$7 ] ] with [ zp[1]:50 [ lines::l#2 lines::l#1 ] ]
Coalescing zero page register [ zp[2]:18 [ bitmap_plot::plotter#0 bitmap_plot::plotter#1 ] ] with [ zp[2]:38 [ sgn_u16::w#2 sgn_u16::w#0 sgn_u16::w#1 ] ]
Coalescing zero page register [ zp[2]:16 [ bitmap_line::e#3 bitmap_line::e#0 bitmap_line::e#6 bitmap_line::e#1 bitmap_line::e#2 memset::num#2 memset::end#0 ] ] with [ zp[2]:55 [ init_screen::c#2 init_screen::c#1 bitmap_init::yoffs#2 bitmap_init::yoffs#4 bitmap_init::yoffs#1 ] ]
Allocated (was zp[2]:18) zp[2]:2 [ bitmap_plot::plotter#0 bitmap_plot::plotter#1 sgn_u16::w#2 sgn_u16::w#0 sgn_u16::w#1 ]
Allocated (was zp[2]:3) zp[2]:4 [ bitmap_plot::$1 ]
Allocated (was zp[2]:10) zp[2]:6 [ bitmap_line::x#7 bitmap_line::x#6 bitmap_line::x#15 bitmap_line::x#13 bitmap_line::x1#0 bitmap_line::x#12 bitmap_line::x#1 bitmap_plot::x#4 bitmap_plot::x#2 bitmap_plot::x#0 bitmap_plot::x#1 bitmap_plot::x#3 memset::str#3 memset::dst#2 memset::dst#4 memset::dst#1 ]
Allocated (was zp[2]:12) zp[2]:8 [ bitmap_line::y#15 bitmap_line::y#7 bitmap_line::y#13 bitmap_line::y#4 bitmap_line::y1#0 bitmap_line::y#1 bitmap_line::y#2 ]
Allocated (was zp[2]:16) zp[2]:10 [ bitmap_line::e#3 bitmap_line::e#0 bitmap_line::e#6 bitmap_line::e#1 bitmap_line::e#2 memset::num#2 memset::end#0 init_screen::c#2 init_screen::c#1 bitmap_init::yoffs#2 bitmap_init::yoffs#4 bitmap_init::yoffs#1 ]
Allocated (was zp[2]:14) zp[2]:12 [ bitmap_line::e1#3 bitmap_line::e1#6 bitmap_line::e1#0 bitmap_line::e1#2 bitmap_line::e1#1 ]
Allocated (was zp[2]:28) zp[2]:14 [ abs_u16::return#4 abs_u16::return#2 abs_u16::w#2 abs_u16::w#0 abs_u16::w#1 abs_u16::return#0 abs_u16::return#1 bitmap_line::dy#0 ]
Allocated (was zp[2]:48) zp[2]:16 [ sgn_u16::return#4 sgn_u16::return#0 sgn_u16::return#1 bitmap_line::sy#0 ]
Allocated (was zp[2]:24) zp[2]:18 [ bitmap_line::dx#0 ]
Allocated (was zp[2]:26) zp[2]:20 [ bitmap_line::sx#0 ]
Allocated (was zp[2]:30) zp[2]:22 [ bitmap_line::y2#0 ]
Allocated (was zp[2]:32) zp[2]:24 [ bitmap_line::x2#0 ]
Allocated (was zp[1]:68) zp[1]:26 [ bitmap_init::$7 lines::l#2 lines::l#1 ]

ASSEMBLER BEFORE OPTIMIZATION
  // File Comments
/// @file
/// Commodore 64 Registers and Constants
/// @file
/// The MOS 6526 Complex Interface Adapter (CIA)
///
/// http://archive.6502.org/datasheets/mos_6526_cia_recreated.pdf
  // Upstart
  // Commodore 64 PRG executable file
.file [name="bitmap-bresenham.prg", type="prg", segments="Program"]
.segmentdef Program [segments="Basic, Code, Data"]
.segmentdef Basic [start=$0801]
.segmentdef Code [start=$80d]
.segmentdef Data [startAfter="Code"]
.segment Basic
:BasicUpstart(main)
  // Global Constants & labels
  /// $D011 Control Register #1  Bit#5: BMM Turn Bitmap Mode on/off
  .const VICII_BMM = $20
  /// $D011 Control Register #1  Bit#4: DEN Switch VIC-II output on/off
  .const VICII_DEN = $10
  /// $D011 Control Register #1  Bit#3: RSEL Switch betweem 25 or 24 visible rows
  ///          RSEL|  Display window height   | First line  | Last line
  ///          ----+--------------------------+-------------+----------
  ///            0 | 24 text lines/192 pixels |   55 ($37)  | 246 ($f6)
  ///            1 | 25 text lines/200 pixels |   51 ($33)  | 250 ($fa)
  .const VICII_RSEL = 8
  .const WHITE = 1
  .const LINES = 8
  .const OFFSET_STRUCT_MOS6569_VICII_BORDER_COLOR = $20
  .const OFFSET_STRUCT_MOS6569_VICII_BG_COLOR = $21
  /// $D011 Control Register #1
  /// @see #VICII_CONTROL1
  .label D011 = $d011
  /// $D018 VIC-II base addresses
  /// - Bit#0: not used
  /// - Bit#1-#3: CB Address Bits 11-13 of the Character Set (*2048)
  /// - Bit#4-#7: VM Address Bits 10-13 of the Screen RAM (*1024)
  /// Initial Value: %00010100
  .label VICII_MEMORY = $d018
  /// The VIC-II MOS 6567/6569
  .label VICII = $d000
  .label SCREEN = $400
  .label BITMAP = $2000
.segment Code
  // main
main: {
    // [0] *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BORDER_COLOR) = 0 -- _deref_pbuc1=vbuc2 
    lda #0
    sta VICII+OFFSET_STRUCT_MOS6569_VICII_BORDER_COLOR
    // [1] *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BG_COLOR) = 0 -- _deref_pbuc1=vbuc2 
    lda #0
    sta VICII+OFFSET_STRUCT_MOS6569_VICII_BG_COLOR
    // [2] *D011 = VICII_BMM|VICII_DEN|VICII_RSEL|3 -- _deref_pbuc1=vbuc2 
    lda #VICII_BMM|VICII_DEN|VICII_RSEL|3
    sta D011
    // [3] *VICII_MEMORY = (char)(unsigned int)SCREEN&$3fff/$40|(unsigned int)BITMAP&$3fff/$400 -- _deref_pbuc1=vbuc2 
    lda #(SCREEN&$3fff)/$40|(BITMAP&$3fff)/$400
    sta VICII_MEMORY
    // [4] call bitmap_init
    // [11] phi from main to bitmap_init [phi:main->bitmap_init]
  bitmap_init_from_main:
    jsr bitmap_init
    // [5] phi from main to main::@2 [phi:main->main::@2]
  __b2_from_main:
    jmp __b2
    // main::@2
  __b2:
    // [6] call bitmap_clear
    // [33] phi from main::@2 to bitmap_clear [phi:main::@2->bitmap_clear]
  bitmap_clear_from___b2:
    jsr bitmap_clear
    // [7] phi from main::@2 to main::@3 [phi:main::@2->main::@3]
  __b3_from___b2:
    jmp __b3
    // main::@3
  __b3:
    // [8] call init_screen
    // [38] phi from main::@3 to init_screen [phi:main::@3->init_screen]
  init_screen_from___b3:
    jsr init_screen
    // [9] phi from main::@1 main::@3 to main::@1 [phi:main::@1/main::@3->main::@1]
  __b1_from___b1:
  __b1_from___b3:
    jmp __b1
    // main::@1
  __b1:
    // [10] call lines
    // [44] phi from main::@1 to lines [phi:main::@1->lines]
  lines_from___b1:
    jsr lines
    jmp __b1_from___b1
}
  // bitmap_init
// Initialize bitmap plotting tables
// void bitmap_init(char *gfx, char *screen)
bitmap_init: {
    .label __7 = $1a
    .label yoffs = $a
    // [12] phi from bitmap_init to bitmap_init::@1 [phi:bitmap_init->bitmap_init::@1]
  __b1_from_bitmap_init:
    // [12] phi bitmap_init::x#2 = 0 [phi:bitmap_init->bitmap_init::@1#0] -- vbuxx=vbuc1 
    ldx #0
    // [12] phi bitmap_init::bits#3 = $80 [phi:bitmap_init->bitmap_init::@1#1] -- vbuaa=vbuc1 
    lda #$80
    jmp __b1
    // [12] phi from bitmap_init::@2 to bitmap_init::@1 [phi:bitmap_init::@2->bitmap_init::@1]
  __b1_from___b2:
    // [12] phi bitmap_init::x#2 = bitmap_init::x#1 [phi:bitmap_init::@2->bitmap_init::@1#0] -- register_copy 
    // [12] phi bitmap_init::bits#3 = bitmap_init::bits#4 [phi:bitmap_init::@2->bitmap_init::@1#1] -- register_copy 
    jmp __b1
    // bitmap_init::@1
  __b1:
    // [13] bitmap_plot_bit[bitmap_init::x#2] = bitmap_init::bits#3 -- pbuc1_derefidx_vbuxx=vbuaa 
    sta bitmap_plot_bit,x
    // [14] bitmap_init::bits#1 = bitmap_init::bits#3 >> 1 -- vbuaa=vbuaa_ror_1 
    lsr
    // [15] if(bitmap_init::bits#1!=0) goto bitmap_init::@6 -- vbuaa_neq_0_then_la1 
    cmp #0
    bne __b6_from___b1
    // [17] phi from bitmap_init::@1 to bitmap_init::@2 [phi:bitmap_init::@1->bitmap_init::@2]
  __b2_from___b1:
    // [17] phi bitmap_init::bits#4 = $80 [phi:bitmap_init::@1->bitmap_init::@2#0] -- vbuaa=vbuc1 
    lda #$80
    jmp __b2
    // [16] phi from bitmap_init::@1 to bitmap_init::@6 [phi:bitmap_init::@1->bitmap_init::@6]
  __b6_from___b1:
    jmp __b6
    // bitmap_init::@6
  __b6:
    // [17] phi from bitmap_init::@6 to bitmap_init::@2 [phi:bitmap_init::@6->bitmap_init::@2]
  __b2_from___b6:
    // [17] phi bitmap_init::bits#4 = bitmap_init::bits#1 [phi:bitmap_init::@6->bitmap_init::@2#0] -- register_copy 
    jmp __b2
    // bitmap_init::@2
  __b2:
    // [18] bitmap_init::x#1 = ++ bitmap_init::x#2 -- vbuxx=_inc_vbuxx 
    inx
    // [19] if(bitmap_init::x#1!=0) goto bitmap_init::@1 -- vbuxx_neq_0_then_la1 
    cpx #0
    bne __b1_from___b2
    // [20] phi from bitmap_init::@2 to bitmap_init::@3 [phi:bitmap_init::@2->bitmap_init::@3]
  __b3_from___b2:
    // [20] phi bitmap_init::yoffs#2 = BITMAP [phi:bitmap_init::@2->bitmap_init::@3#0] -- pbuz1=pbuc1 
    lda #<BITMAP
    sta.z yoffs
    lda #>BITMAP
    sta.z yoffs+1
    // [20] phi bitmap_init::y#2 = 0 [phi:bitmap_init::@2->bitmap_init::@3#1] -- vbuxx=vbuc1 
    ldx #0
    jmp __b3
    // [20] phi from bitmap_init::@4 to bitmap_init::@3 [phi:bitmap_init::@4->bitmap_init::@3]
  __b3_from___b4:
    // [20] phi bitmap_init::yoffs#2 = bitmap_init::yoffs#4 [phi:bitmap_init::@4->bitmap_init::@3#0] -- register_copy 
    // [20] phi bitmap_init::y#2 = bitmap_init::y#1 [phi:bitmap_init::@4->bitmap_init::@3#1] -- register_copy 
    jmp __b3
    // bitmap_init::@3
  __b3:
    // [21] bitmap_init::$7 = bitmap_init::y#2 & 7 -- vbuz1=vbuxx_band_vbuc1 
    lda #7
    sax.z __7
    // [22] bitmap_init::$4 = byte0  bitmap_init::yoffs#2 -- vbuaa=_byte0_pbuz1 
    lda.z yoffs
    // [23] bitmap_init::$5 = bitmap_init::$7 | bitmap_init::$4 -- vbuaa=vbuz1_bor_vbuaa 
    ora.z __7
    // [24] bitmap_plot_ylo[bitmap_init::y#2] = bitmap_init::$5 -- pbuc1_derefidx_vbuxx=vbuaa 
    sta bitmap_plot_ylo,x
    // [25] bitmap_init::$6 = byte1  bitmap_init::yoffs#2 -- vbuaa=_byte1_pbuz1 
    lda.z yoffs+1
    // [26] bitmap_plot_yhi[bitmap_init::y#2] = bitmap_init::$6 -- pbuc1_derefidx_vbuxx=vbuaa 
    sta bitmap_plot_yhi,x
    // [27] if(bitmap_init::$7!=7) goto bitmap_init::@4 -- vbuz1_neq_vbuc1_then_la1 
    lda #7
    cmp.z __7
    bne __b4_from___b3
    jmp __b5
    // bitmap_init::@5
  __b5:
    // [28] bitmap_init::yoffs#1 = bitmap_init::yoffs#2 + (unsigned int)$28*8 -- pbuz1=pbuz1_plus_vwuc1 
    lda.z yoffs
    clc
    adc #<$28*8
    sta.z yoffs
    lda.z yoffs+1
    adc #>$28*8
    sta.z yoffs+1
    // [29] phi from bitmap_init::@3 bitmap_init::@5 to bitmap_init::@4 [phi:bitmap_init::@3/bitmap_init::@5->bitmap_init::@4]
  __b4_from___b3:
  __b4_from___b5:
    // [29] phi bitmap_init::yoffs#4 = bitmap_init::yoffs#2 [phi:bitmap_init::@3/bitmap_init::@5->bitmap_init::@4#0] -- register_copy 
    jmp __b4
    // bitmap_init::@4
  __b4:
    // [30] bitmap_init::y#1 = ++ bitmap_init::y#2 -- vbuxx=_inc_vbuxx 
    inx
    // [31] if(bitmap_init::y#1!=0) goto bitmap_init::@3 -- vbuxx_neq_0_then_la1 
    cpx #0
    bne __b3_from___b4
    jmp __breturn
    // bitmap_init::@return
  __breturn:
    // [32] return 
    rts
}
  // bitmap_clear
// Clear all graphics on the bitmap
// bgcol - the background color to fill the screen with
// fgcol - the foreground color to fill the screen with
// void bitmap_clear(char bgcol, char fgcol)
bitmap_clear: {
    .const col = WHITE*$10
    // [34] call memset
    // [54] phi from bitmap_clear to memset [phi:bitmap_clear->memset]
  memset_from_bitmap_clear:
    // [54] phi memset::c#4 = bitmap_clear::col#0 [phi:bitmap_clear->memset#0] -- vbuxx=vbuc1 
    ldx #col
    // [54] phi memset::str#3 = (void *)SCREEN [phi:bitmap_clear->memset#1] -- pvoz1=pvoc1 
    lda #<SCREEN
    sta.z memset.str
    lda #>SCREEN
    sta.z memset.str+1
    // [54] phi memset::num#2 = $3e8 [phi:bitmap_clear->memset#2] -- vwuz1=vwuc1 
    lda #<$3e8
    sta.z memset.num
    lda #>$3e8
    sta.z memset.num+1
    jsr memset
    // [35] phi from bitmap_clear to bitmap_clear::@1 [phi:bitmap_clear->bitmap_clear::@1]
  __b1_from_bitmap_clear:
    jmp __b1
    // bitmap_clear::@1
  __b1:
    // [36] call memset
    // [54] phi from bitmap_clear::@1 to memset [phi:bitmap_clear::@1->memset]
  memset_from___b1:
    // [54] phi memset::c#4 = 0 [phi:bitmap_clear::@1->memset#0] -- vbuxx=vbuc1 
    ldx #0
    // [54] phi memset::str#3 = (void *)BITMAP [phi:bitmap_clear::@1->memset#1] -- pvoz1=pvoc1 
    lda #<BITMAP
    sta.z memset.str
    lda #>BITMAP
    sta.z memset.str+1
    // [54] phi memset::num#2 = $1f40 [phi:bitmap_clear::@1->memset#2] -- vwuz1=vwuc1 
    lda #<$1f40
    sta.z memset.num
    lda #>$1f40
    sta.z memset.num+1
    jsr memset
    jmp __breturn
    // bitmap_clear::@return
  __breturn:
    // [37] return 
    rts
}
  // init_screen
init_screen: {
    .label c = $a
    // [39] phi from init_screen to init_screen::@1 [phi:init_screen->init_screen::@1]
  __b1_from_init_screen:
    // [39] phi init_screen::c#2 = SCREEN [phi:init_screen->init_screen::@1#0] -- pbuz1=pbuc1 
    lda #<SCREEN
    sta.z c
    lda #>SCREEN
    sta.z c+1
    jmp __b1
    // init_screen::@1
  __b1:
    // [40] if(init_screen::c#2!=SCREEN+$400) goto init_screen::@2 -- pbuz1_neq_pbuc1_then_la1 
    lda.z c+1
    cmp #>SCREEN+$400
    bne __b2
    lda.z c
    cmp #<SCREEN+$400
    bne __b2
    jmp __breturn
    // init_screen::@return
  __breturn:
    // [41] return 
    rts
    // init_screen::@2
  __b2:
    // [42] *init_screen::c#2 = $14 -- _deref_pbuz1=vbuc1 
    lda #$14
    ldy #0
    sta (c),y
    // [43] init_screen::c#1 = ++ init_screen::c#2 -- pbuz1=_inc_pbuz1 
    inc.z c
    bne !+
    inc.z c+1
  !:
    // [39] phi from init_screen::@2 to init_screen::@1 [phi:init_screen::@2->init_screen::@1]
  __b1_from___b2:
    // [39] phi init_screen::c#2 = init_screen::c#1 [phi:init_screen::@2->init_screen::@1#0] -- register_copy 
    jmp __b1
}
  // lines
lines: {
    .label l = $1a
    // [45] phi from lines to lines::@1 [phi:lines->lines::@1]
  __b1_from_lines:
    // [45] phi lines::l#2 = 0 [phi:lines->lines::@1#0] -- vbuz1=vbuc1 
    lda #0
    sta.z l
    jmp __b1
    // lines::@1
  __b1:
    // [46] if(lines::l#2<LINES) goto lines::@2 -- vbuz1_lt_vbuc1_then_la1 
    lda.z l
    cmp #LINES
    bcc __b2
    jmp __breturn
    // lines::@return
  __breturn:
    // [47] return 
    rts
    // lines::@2
  __b2:
    // [48] bitmap_line::x1#0 = lines_x[lines::l#2] -- vwuz1=pbuc1_derefidx_vbuz2 
    ldy.z l
    lda lines_x,y
    sta.z bitmap_line.x1
    lda #0
    sta.z bitmap_line.x1+1
    // [49] bitmap_line::y1#0 = lines_y[lines::l#2] -- vwuz1=pbuc1_derefidx_vbuz2 
    ldy.z l
    lda lines_y,y
    sta.z bitmap_line.y1
    lda #0
    sta.z bitmap_line.y1+1
    // [50] bitmap_line::x2#0 = (lines_x+1)[lines::l#2] -- vwuz1=pbuc1_derefidx_vbuz2 
    ldy.z l
    lda lines_x+1,y
    sta.z bitmap_line.x2
    lda #0
    sta.z bitmap_line.x2+1
    // [51] bitmap_line::y2#0 = (lines_y+1)[lines::l#2] -- vwuz1=pbuc1_derefidx_vbuz2 
    ldy.z l
    lda lines_y+1,y
    sta.z bitmap_line.y2
    lda #0
    sta.z bitmap_line.y2+1
    // [52] call bitmap_line
    jsr bitmap_line
    jmp __b3
    // lines::@3
  __b3:
    // [53] lines::l#1 = ++ lines::l#2 -- vbuz1=_inc_vbuz1 
    inc.z l
    // [45] phi from lines::@3 to lines::@1 [phi:lines::@3->lines::@1]
  __b1_from___b3:
    // [45] phi lines::l#2 = lines::l#1 [phi:lines::@3->lines::@1#0] -- register_copy 
    jmp __b1
}
  // memset
// Copies the character c (an unsigned char) to the first num characters of the object pointed to by the argument str.
// void * memset(__zp(6) void *str, __register(X) char c, __zp($a) unsigned int num)
memset: {
    .label end = $a
    .label dst = 6
    .label num = $a
    .label str = 6
    // [55] if(memset::num#2<=0) goto memset::@return -- vwuz1_le_0_then_la1 
    lda.z num
    bne !+
    lda.z num+1
    beq __breturn
  !:
    jmp __b1
    // memset::@1
  __b1:
    // [56] memset::end#0 = (char *)memset::str#3 + memset::num#2 -- pbuz1=pbuz2_plus_vwuz1 
    clc
    lda.z end
    adc.z str
    sta.z end
    lda.z end+1
    adc.z str+1
    sta.z end+1
    // [57] memset::dst#4 = (char *)memset::str#3
    // [58] phi from memset::@1 memset::@3 to memset::@2 [phi:memset::@1/memset::@3->memset::@2]
  __b2_from___b1:
  __b2_from___b3:
    // [58] phi memset::dst#2 = memset::dst#4 [phi:memset::@1/memset::@3->memset::@2#0] -- register_copy 
    jmp __b2
    // memset::@2
  __b2:
    // [59] if(memset::dst#2!=memset::end#0) goto memset::@3 -- pbuz1_neq_pbuz2_then_la1 
    lda.z dst+1
    cmp.z end+1
    bne __b3
    lda.z dst
    cmp.z end
    bne __b3
    jmp __breturn
    // memset::@return
  __breturn:
    // [60] return 
    rts
    // memset::@3
  __b3:
    // [61] *memset::dst#2 = memset::c#4 -- _deref_pbuz1=vbuxx 
    txa
    ldy #0
    sta (dst),y
    // [62] memset::dst#1 = ++ memset::dst#2 -- pbuz1=_inc_pbuz1 
    inc.z dst
    bne !+
    inc.z dst+1
  !:
    jmp __b2_from___b3
}
  // bitmap_line
// Draw a line on the bitmap using bresenhams algorithm
// void bitmap_line(__zp(6) unsigned int x1, __zp(8) unsigned int y1, __zp($18) unsigned int x2, __zp($16) unsigned int y2)
bitmap_line: {
    .label dx = $12
    .label dy = $e
    .label sx = $14
    .label sy = $10
    .label e1 = $c
    .label e = $a
    .label y = 8
    .label x = 6
    .label x1 = 6
    .label y1 = 8
    .label x2 = $18
    .label y2 = $16
    // [63] abs_u16::w#0 = bitmap_line::x2#0 - bitmap_line::x1#0 -- vwuz1=vwuz2_minus_vwuz3 
    lda.z x2
    sec
    sbc.z x1
    sta.z abs_u16.w
    lda.z x2+1
    sbc.z x1+1
    sta.z abs_u16.w+1
    // [64] call abs_u16
    // [114] phi from bitmap_line to abs_u16 [phi:bitmap_line->abs_u16]
  abs_u16_from_bitmap_line:
    // [114] phi abs_u16::w#2 = abs_u16::w#0 [phi:bitmap_line->abs_u16#0] -- register_copy 
    jsr abs_u16
    // [65] abs_u16::return#0 = abs_u16::return#4
    jmp __b12
    // bitmap_line::@12
  __b12:
    // [66] bitmap_line::dx#0 = abs_u16::return#0 -- vwuz1=vwuz2 
    lda.z abs_u16.return
    sta.z dx
    lda.z abs_u16.return+1
    sta.z dx+1
    // [67] abs_u16::w#1 = bitmap_line::y2#0 - bitmap_line::y1#0 -- vwuz1=vwuz2_minus_vwuz3 
    lda.z y2
    sec
    sbc.z y1
    sta.z abs_u16.w
    lda.z y2+1
    sbc.z y1+1
    sta.z abs_u16.w+1
    // [68] call abs_u16
    // [114] phi from bitmap_line::@12 to abs_u16 [phi:bitmap_line::@12->abs_u16]
  abs_u16_from___b12:
    // [114] phi abs_u16::w#2 = abs_u16::w#1 [phi:bitmap_line::@12->abs_u16#0] -- register_copy 
    jsr abs_u16
    // [69] abs_u16::return#1 = abs_u16::return#4
    jmp __b13
    // bitmap_line::@13
  __b13:
    // [70] bitmap_line::dy#0 = abs_u16::return#1
    // [71] if(bitmap_line::dx#0!=0) goto bitmap_line::@1 -- vwuz1_neq_0_then_la1 
    lda.z dx
    ora.z dx+1
    bne __b1
    jmp __b18
    // bitmap_line::@18
  __b18:
    // [72] if(bitmap_line::dy#0==0) goto bitmap_line::@4 -- vwuz1_eq_0_then_la1 
    lda.z dy
    ora.z dy+1
    beq __b4
    jmp __b1
    // bitmap_line::@1
  __b1:
    // [73] sgn_u16::w#0 = bitmap_line::x2#0 - bitmap_line::x1#0 -- vwuz1=vwuz2_minus_vwuz3 
    lda.z x2
    sec
    sbc.z x1
    sta.z sgn_u16.w
    lda.z x2+1
    sbc.z x1+1
    sta.z sgn_u16.w+1
    // [74] call sgn_u16
    // [121] phi from bitmap_line::@1 to sgn_u16 [phi:bitmap_line::@1->sgn_u16]
  sgn_u16_from___b1:
    // [121] phi sgn_u16::w#2 = sgn_u16::w#0 [phi:bitmap_line::@1->sgn_u16#0] -- register_copy 
    jsr sgn_u16
    // [75] sgn_u16::return#0 = sgn_u16::return#4
    jmp __b14
    // bitmap_line::@14
  __b14:
    // [76] bitmap_line::sx#0 = sgn_u16::return#0 -- vwuz1=vwuz2 
    lda.z sgn_u16.return
    sta.z sx
    lda.z sgn_u16.return+1
    sta.z sx+1
    // [77] sgn_u16::w#1 = bitmap_line::y2#0 - bitmap_line::y1#0 -- vwuz1=vwuz2_minus_vwuz3 
    lda.z y2
    sec
    sbc.z y1
    sta.z sgn_u16.w
    lda.z y2+1
    sbc.z y1+1
    sta.z sgn_u16.w+1
    // [78] call sgn_u16
    // [121] phi from bitmap_line::@14 to sgn_u16 [phi:bitmap_line::@14->sgn_u16]
  sgn_u16_from___b14:
    // [121] phi sgn_u16::w#2 = sgn_u16::w#1 [phi:bitmap_line::@14->sgn_u16#0] -- register_copy 
    jsr sgn_u16
    // [79] sgn_u16::return#1 = sgn_u16::return#4
    jmp __b15
    // bitmap_line::@15
  __b15:
    // [80] bitmap_line::sy#0 = sgn_u16::return#1
    // [81] if(bitmap_line::dx#0>bitmap_line::dy#0) goto bitmap_line::@2 -- vwuz1_gt_vwuz2_then_la1 
    lda.z dy+1
    cmp.z dx+1
    bcc __b2
    bne !+
    lda.z dy
    cmp.z dx
    bcc __b2
  !:
    jmp __b5
    // bitmap_line::@5
  __b5:
    // [82] bitmap_line::e#0 = bitmap_line::dx#0 >> 1 -- vwuz1=vwuz2_ror_1 
    // Y is the driver
    lda.z dx+1
    lsr
    sta.z e+1
    lda.z dx
    ror
    sta.z e
    // [83] phi from bitmap_line::@5 bitmap_line::@7 to bitmap_line::@6 [phi:bitmap_line::@5/bitmap_line::@7->bitmap_line::@6]
  __b6_from___b5:
  __b6_from___b7:
    // [83] phi bitmap_line::e#3 = bitmap_line::e#0 [phi:bitmap_line::@5/bitmap_line::@7->bitmap_line::@6#0] -- register_copy 
    // [83] phi bitmap_line::y#4 = bitmap_line::y1#0 [phi:bitmap_line::@5/bitmap_line::@7->bitmap_line::@6#1] -- register_copy 
    // [83] phi bitmap_line::x#13 = bitmap_line::x1#0 [phi:bitmap_line::@5/bitmap_line::@7->bitmap_line::@6#2] -- register_copy 
    jmp __b6
    // bitmap_line::@6
  __b6:
    // [84] bitmap_plot::x#1 = bitmap_line::x#13
    // [85] bitmap_plot::y#1 = (char)bitmap_line::y#4 -- vbuxx=_byte_vwuz1 
    ldx.z y
    // [86] call bitmap_plot
    // [128] phi from bitmap_line::@6 to bitmap_plot [phi:bitmap_line::@6->bitmap_plot]
  bitmap_plot_from___b6:
    // [128] phi bitmap_plot::x#4 = bitmap_plot::x#1 [phi:bitmap_line::@6->bitmap_plot#0] -- register_copy 
    // [128] phi bitmap_plot::y#4 = bitmap_plot::y#1 [phi:bitmap_line::@6->bitmap_plot#1] -- register_copy 
    jsr bitmap_plot
    jmp __b16
    // bitmap_line::@16
  __b16:
    // [87] bitmap_line::y#1 = bitmap_line::y#4 + bitmap_line::sy#0 -- vwuz1=vwuz1_plus_vwuz2 
    clc
    lda.z y
    adc.z sy
    sta.z y
    lda.z y+1
    adc.z sy+1
    sta.z y+1
    // [88] bitmap_line::e#1 = bitmap_line::e#3 + bitmap_line::dx#0 -- vwuz1=vwuz1_plus_vwuz2 
    clc
    lda.z e
    adc.z dx
    sta.z e
    lda.z e+1
    adc.z dx+1
    sta.z e+1
    // [89] if(bitmap_line::dy#0>=bitmap_line::e#1) goto bitmap_line::@7 -- vwuz1_ge_vwuz2_then_la1 
    lda.z e+1
    cmp.z dy+1
    bne !+
    lda.z e
    cmp.z dy
    beq __b7_from___b16
  !:
    bcc __b7_from___b16
    jmp __b8
    // bitmap_line::@8
  __b8:
    // [90] bitmap_line::x#1 = bitmap_line::x#13 + bitmap_line::sx#0 -- vwuz1=vwuz1_plus_vwuz2 
    clc
    lda.z x
    adc.z sx
    sta.z x
    lda.z x+1
    adc.z sx+1
    sta.z x+1
    // [91] bitmap_line::e#2 = bitmap_line::e#1 - bitmap_line::dy#0 -- vwuz1=vwuz1_minus_vwuz2 
    lda.z e
    sec
    sbc.z dy
    sta.z e
    lda.z e+1
    sbc.z dy+1
    sta.z e+1
    // [92] phi from bitmap_line::@16 bitmap_line::@8 to bitmap_line::@7 [phi:bitmap_line::@16/bitmap_line::@8->bitmap_line::@7]
  __b7_from___b16:
  __b7_from___b8:
    // [92] phi bitmap_line::e#6 = bitmap_line::e#1 [phi:bitmap_line::@16/bitmap_line::@8->bitmap_line::@7#0] -- register_copy 
    // [92] phi bitmap_line::x#12 = bitmap_line::x#13 [phi:bitmap_line::@16/bitmap_line::@8->bitmap_line::@7#1] -- register_copy 
    jmp __b7
    // bitmap_line::@7
  __b7:
    // [93] if(bitmap_line::y#1!=bitmap_line::y2#0) goto bitmap_line::@6 -- vwuz1_neq_vwuz2_then_la1 
    lda.z y+1
    cmp.z y2+1
    bne __b6_from___b7
    lda.z y
    cmp.z y2
    bne __b6_from___b7
    // [94] phi from bitmap_line::@10 bitmap_line::@7 to bitmap_line::@3 [phi:bitmap_line::@10/bitmap_line::@7->bitmap_line::@3]
  __b3_from___b10:
  __b3_from___b7:
    // [94] phi bitmap_line::y#7 = bitmap_line::y#13 [phi:bitmap_line::@10/bitmap_line::@7->bitmap_line::@3#0] -- register_copy 
    // [94] phi bitmap_line::x#6 = bitmap_line::x#15 [phi:bitmap_line::@10/bitmap_line::@7->bitmap_line::@3#1] -- register_copy 
    jmp __b3
    // bitmap_line::@3
  __b3:
    // [95] bitmap_plot::x#2 = bitmap_line::x#6
    // [96] bitmap_plot::y#2 = (char)bitmap_line::y#7 -- vbuxx=_byte_vwuz1 
    ldx.z y
    // [97] call bitmap_plot
    // [128] phi from bitmap_line::@3 to bitmap_plot [phi:bitmap_line::@3->bitmap_plot]
  bitmap_plot_from___b3:
    // [128] phi bitmap_plot::x#4 = bitmap_plot::x#2 [phi:bitmap_line::@3->bitmap_plot#0] -- register_copy 
    // [128] phi bitmap_plot::y#4 = bitmap_plot::y#2 [phi:bitmap_line::@3->bitmap_plot#1] -- register_copy 
    jsr bitmap_plot
    jmp __breturn
    // bitmap_line::@return
  __breturn:
    // [98] return 
    rts
    // bitmap_line::@2
  __b2:
    // [99] bitmap_line::e1#0 = bitmap_line::dy#0 >> 1 -- vwuz1=vwuz2_ror_1 
    // X is the driver
    lda.z dy+1
    lsr
    sta.z e1+1
    lda.z dy
    ror
    sta.z e1
    // [100] phi from bitmap_line::@10 bitmap_line::@2 to bitmap_line::@9 [phi:bitmap_line::@10/bitmap_line::@2->bitmap_line::@9]
  __b9_from___b10:
  __b9_from___b2:
    // [100] phi bitmap_line::e1#3 = bitmap_line::e1#6 [phi:bitmap_line::@10/bitmap_line::@2->bitmap_line::@9#0] -- register_copy 
    // [100] phi bitmap_line::y#15 = bitmap_line::y#13 [phi:bitmap_line::@10/bitmap_line::@2->bitmap_line::@9#1] -- register_copy 
    // [100] phi bitmap_line::x#7 = bitmap_line::x#15 [phi:bitmap_line::@10/bitmap_line::@2->bitmap_line::@9#2] -- register_copy 
    jmp __b9
    // bitmap_line::@9
  __b9:
    // [101] bitmap_plot::x#3 = bitmap_line::x#7
    // [102] bitmap_plot::y#3 = (char)bitmap_line::y#15 -- vbuxx=_byte_vwuz1 
    ldx.z y
    // [103] call bitmap_plot
    // [128] phi from bitmap_line::@9 to bitmap_plot [phi:bitmap_line::@9->bitmap_plot]
  bitmap_plot_from___b9:
    // [128] phi bitmap_plot::x#4 = bitmap_plot::x#3 [phi:bitmap_line::@9->bitmap_plot#0] -- register_copy 
    // [128] phi bitmap_plot::y#4 = bitmap_plot::y#3 [phi:bitmap_line::@9->bitmap_plot#1] -- register_copy 
    jsr bitmap_plot
    jmp __b17
    // bitmap_line::@17
  __b17:
    // [104] bitmap_line::x#15 = bitmap_line::x#7 + bitmap_line::sx#0 -- vwuz1=vwuz1_plus_vwuz2 
    clc
    lda.z x
    adc.z sx
    sta.z x
    lda.z x+1
    adc.z sx+1
    sta.z x+1
    // [105] bitmap_line::e1#1 = bitmap_line::e1#3 + bitmap_line::dy#0 -- vwuz1=vwuz1_plus_vwuz2 
    clc
    lda.z e1
    adc.z dy
    sta.z e1
    lda.z e1+1
    adc.z dy+1
    sta.z e1+1
    // [106] if(bitmap_line::dx#0>=bitmap_line::e1#1) goto bitmap_line::@10 -- vwuz1_ge_vwuz2_then_la1 
    lda.z e1+1
    cmp.z dx+1
    bne !+
    lda.z e1
    cmp.z dx
    beq __b10_from___b17
  !:
    bcc __b10_from___b17
    jmp __b11
    // bitmap_line::@11
  __b11:
    // [107] bitmap_line::y#2 = bitmap_line::y#15 + bitmap_line::sy#0 -- vwuz1=vwuz1_plus_vwuz2 
    clc
    lda.z y
    adc.z sy
    sta.z y
    lda.z y+1
    adc.z sy+1
    sta.z y+1
    // [108] bitmap_line::e1#2 = bitmap_line::e1#1 - bitmap_line::dx#0 -- vwuz1=vwuz1_minus_vwuz2 
    lda.z e1
    sec
    sbc.z dx
    sta.z e1
    lda.z e1+1
    sbc.z dx+1
    sta.z e1+1
    // [109] phi from bitmap_line::@11 bitmap_line::@17 to bitmap_line::@10 [phi:bitmap_line::@11/bitmap_line::@17->bitmap_line::@10]
  __b10_from___b11:
  __b10_from___b17:
    // [109] phi bitmap_line::e1#6 = bitmap_line::e1#2 [phi:bitmap_line::@11/bitmap_line::@17->bitmap_line::@10#0] -- register_copy 
    // [109] phi bitmap_line::y#13 = bitmap_line::y#2 [phi:bitmap_line::@11/bitmap_line::@17->bitmap_line::@10#1] -- register_copy 
    jmp __b10
    // bitmap_line::@10
  __b10:
    // [110] if(bitmap_line::x#15!=bitmap_line::x2#0) goto bitmap_line::@9 -- vwuz1_neq_vwuz2_then_la1 
    lda.z x+1
    cmp.z x2+1
    bne __b9_from___b10
    lda.z x
    cmp.z x2
    bne __b9_from___b10
    jmp __b3_from___b10
    // bitmap_line::@4
  __b4:
    // [111] bitmap_plot::x#0 = bitmap_line::x1#0
    // [112] bitmap_plot::y#0 = (char)bitmap_line::y1#0 -- vbuxx=_byte_vwuz1 
    ldx.z y1
    // [113] call bitmap_plot
    // [128] phi from bitmap_line::@4 to bitmap_plot [phi:bitmap_line::@4->bitmap_plot]
  bitmap_plot_from___b4:
    // [128] phi bitmap_plot::x#4 = bitmap_plot::x#0 [phi:bitmap_line::@4->bitmap_plot#0] -- register_copy 
    // [128] phi bitmap_plot::y#4 = bitmap_plot::y#0 [phi:bitmap_line::@4->bitmap_plot#1] -- register_copy 
    jsr bitmap_plot
    jmp __breturn
}
  // abs_u16
// Get the absolute value of a 16-bit unsigned number treated as a signed number.
// __zp($e) unsigned int abs_u16(__zp($e) unsigned int w)
abs_u16: {
    .label w = $e
    .label return = $e
    // [115] abs_u16::$0 = byte1  abs_u16::w#2 -- vbuaa=_byte1_vwuz1 
    lda.z w+1
    // [116] abs_u16::$1 = abs_u16::$0 & $80 -- vbuaa=vbuaa_band_vbuc1 
    and #$80
    // [117] if(0!=abs_u16::$1) goto abs_u16::@1 -- 0_neq_vbuaa_then_la1 
    cmp #0
    bne __b1
    // [119] phi from abs_u16 abs_u16::@1 to abs_u16::@return [phi:abs_u16/abs_u16::@1->abs_u16::@return]
  __breturn_from_abs_u16:
  __breturn_from___b1:
    // [119] phi abs_u16::return#4 = abs_u16::w#2 [phi:abs_u16/abs_u16::@1->abs_u16::@return#0] -- register_copy 
    jmp __breturn
    // abs_u16::@1
  __b1:
    // [118] abs_u16::return#2 = - abs_u16::w#2 -- vwuz1=_neg_vwuz1 
    sec
    lda #0
    sbc.z return
    sta.z return
    lda #0
    sbc.z return+1
    sta.z return+1
    jmp __breturn_from___b1
    // abs_u16::@return
  __breturn:
    // [120] return 
    rts
}
  // sgn_u16
// Get the sign of a 16-bit unsigned number treated as a signed number.
// Returns unsigned -1 if the number is
// __zp($10) unsigned int sgn_u16(__zp(2) unsigned int w)
sgn_u16: {
    .label w = 2
    .label return = $10
    // [122] sgn_u16::$0 = byte1  sgn_u16::w#2 -- vbuaa=_byte1_vwuz1 
    lda.z w+1
    // [123] sgn_u16::$1 = sgn_u16::$0 & $80 -- vbuaa=vbuaa_band_vbuc1 
    and #$80
    // [124] if(0!=sgn_u16::$1) goto sgn_u16::@1 -- 0_neq_vbuaa_then_la1 
    cmp #0
    bne __b1_from_sgn_u16
    // [126] phi from sgn_u16 to sgn_u16::@return [phi:sgn_u16->sgn_u16::@return]
  __breturn_from_sgn_u16:
    // [126] phi sgn_u16::return#4 = 1 [phi:sgn_u16->sgn_u16::@return#0] -- vwuz1=vbuc1 
    lda #<1
    sta.z return
    lda #>1
    sta.z return+1
    jmp __breturn
    // [125] phi from sgn_u16 to sgn_u16::@1 [phi:sgn_u16->sgn_u16::@1]
  __b1_from_sgn_u16:
    jmp __b1
    // sgn_u16::@1
  __b1:
    // [126] phi from sgn_u16::@1 to sgn_u16::@return [phi:sgn_u16::@1->sgn_u16::@return]
  __breturn_from___b1:
    // [126] phi sgn_u16::return#4 = -1 [phi:sgn_u16::@1->sgn_u16::@return#0] -- vwuz1=vbuc1 
    lda #<-1
    sta.z return
    lda #>-1
    sta.z return+1
    jmp __breturn
    // sgn_u16::@return
  __breturn:
    // [127] return 
    rts
}
  // bitmap_plot
// Plot a single dot in the bitmap
// void bitmap_plot(__zp(6) unsigned int x, __register(X) char y)
bitmap_plot: {
    .label __1 = 4
    .label plotter = 2
    .label x = 6
    // [129] bitmap_plot::plotter#0 = bitmap_plot_yhi[bitmap_plot::y#4] w= bitmap_plot_ylo[bitmap_plot::y#4] -- vwuz1=pbuc1_derefidx_vbuxx_word_pbuc2_derefidx_vbuxx 
    lda bitmap_plot_yhi,x
    sta.z plotter+1
    lda bitmap_plot_ylo,x
    sta.z plotter
    // [130] bitmap_plot::$1 = bitmap_plot::x#4 & $fff8 -- vwuz1=vwuz2_band_vwuc1 
    lda.z x
    and #<$fff8
    sta.z __1
    lda.z x+1
    and #>$fff8
    sta.z __1+1
    // [131] bitmap_plot::plotter#1 = (char *)bitmap_plot::plotter#0 + bitmap_plot::$1 -- pbuz1=pbuz1_plus_vwuz2 
    clc
    lda.z plotter
    adc.z __1
    sta.z plotter
    lda.z plotter+1
    adc.z __1+1
    sta.z plotter+1
    // [132] bitmap_plot::$2 = byte0  bitmap_plot::x#4 -- vbuxx=_byte0_vwuz1 
    ldx.z x
    // [133] *bitmap_plot::plotter#1 = *bitmap_plot::plotter#1 | bitmap_plot_bit[bitmap_plot::$2] -- _deref_pbuz1=_deref_pbuz1_bor_pbuc1_derefidx_vbuxx 
    lda bitmap_plot_bit,x
    ldy #0
    ora (plotter),y
    sta (plotter),y
    jmp __breturn
    // bitmap_plot::@return
  __breturn:
    // [134] return 
    rts
}
  // File Data
.segment Data
  // Tables for the plotter - initialized by calling bitmap_init();
  bitmap_plot_ylo: .fill $100, 0
  bitmap_plot_yhi: .fill $100, 0
  bitmap_plot_bit: .fill $100, 0
  lines_x: .byte $3c, $50, $6e, $50, $3c, $28, $a, $28, $3c
  lines_y: .byte $a, $28, $3c, $50, $6e, $50, $3c, $28, $a

ASSEMBLER OPTIMIZATIONS
Removing instruction jmp __b2
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Succesful ASM optimization Pass5NextJumpElimination
Removing instruction lda #0
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Succesful ASM optimization Pass5UnnecesaryLoadElimination
Replacing label __b1_from___b1 with __b1
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Replacing label __b1_from_sgn_u16 with __b1
Removing instruction __b2_from_main:
Removing instruction bitmap_clear_from___b2:
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Succesful ASM optimization Pass5RedundantLabelElimination
Removing instruction bitmap_init_from_main:
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Succesful ASM optimization Pass5UnusedLabelElimination
Replacing jump to rts with rts in jmp __breturn
Replacing jump to rts with rts in jmp __breturn
Skipping double jump to __breturn in jmp __breturn_from___b1
Replacing jump to rts with rts in jmp __breturn
Succesful ASM optimization Pass5DoubleJumpElimination
Relabelling long label __breturn_from___b1 to __b2
Succesful ASM optimization Pass5RelabelLongLabels
Removing instruction jmp __b1
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Removing instruction jmp __breturn
Succesful ASM optimization Pass5NextJumpElimination
Removing instruction __breturn:
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Removing instruction __breturn:
Removing instruction __breturn:
Succesful ASM optimization Pass5UnusedLabelElimination
Fixing long branch [264] beq __b4 to bne

FINAL SYMBOL TABLE
__constant char * const BITMAP = (char *) 8192
__constant char * const D011 = (char *) 53265
__constant const char LINES = 8
__constant char OFFSET_STRUCT_MOS6569_VICII_BG_COLOR = $21
__constant char OFFSET_STRUCT_MOS6569_VICII_BORDER_COLOR = $20
__constant char * const SCREEN = (char *) 1024
__constant struct MOS6569_VICII * const VICII = (struct MOS6569_VICII *) 53248
__constant const char VICII_BMM = $20
__constant const char VICII_DEN = $10
__constant char * const VICII_MEMORY = (char *) 53272
__constant const char VICII_RSEL = 8
__constant const char WHITE = 1
unsigned int abs_u16(unsigned int w)
char abs_u16::$0 // reg byte a 2000002.0
char abs_u16::$1 // reg byte a 2000002.0
unsigned int abs_u16::return
unsigned int abs_u16::return#0 // return zp[2]:14 200002.0
unsigned int abs_u16::return#1 // return zp[2]:14 200002.0
unsigned int abs_u16::return#2 // return zp[2]:14 2000002.0
unsigned int abs_u16::return#4 // return zp[2]:14 550001.0
unsigned int abs_u16::w
unsigned int abs_u16::w#0 // w zp[2]:14 200002.0
unsigned int abs_u16::w#1 // w zp[2]:14 200002.0
unsigned int abs_u16::w#2 // w zp[2]:14 800001.25
void bitmap_clear(char bgcol , char fgcol)
char bitmap_clear::bgcol
char bitmap_clear::col
__constant char bitmap_clear::col#0 = WHITE*$10 // col
char bitmap_clear::fgcol
char *bitmap_gfx
void bitmap_init(char *gfx , char *screen)
char bitmap_init::$4 // reg byte a 202.0
char bitmap_init::$5 // reg byte a 202.0
char bitmap_init::$6 // reg byte a 202.0
char bitmap_init::$7 // zp[1]:26 50.5
char bitmap_init::bits
char bitmap_init::bits#1 // reg byte a 101.0
char bitmap_init::bits#3 // reg byte a 151.5
char bitmap_init::bits#4 // reg byte a 67.33333333333333
char *bitmap_init::gfx
char *bitmap_init::screen
char bitmap_init::x
char bitmap_init::x#1 // reg byte x 151.5
char bitmap_init::x#2 // reg byte x 50.5
char bitmap_init::y
char bitmap_init::y#1 // reg byte x 151.5
char bitmap_init::y#2 // reg byte x 50.5
char *bitmap_init::yoffs
char *bitmap_init::yoffs#1 // yoffs zp[2]:10 202.0
char *bitmap_init::yoffs#2 // yoffs zp[2]:10 63.125
char *bitmap_init::yoffs#4 // yoffs zp[2]:10 101.0
void bitmap_line(unsigned int x1 , unsigned int y1 , unsigned int x2 , unsigned int y2)
unsigned int bitmap_line::dx
unsigned int bitmap_line::dx#0 // dx zp[2]:18 7510000.175000001
unsigned int bitmap_line::dy
unsigned int bitmap_line::dy#0 // dy zp[2]:14 8344444.63888889
unsigned int bitmap_line::e
unsigned int bitmap_line::e#0 // e zp[2]:10 200002.0
unsigned int bitmap_line::e#1 // e zp[2]:10 1.3333333466666667E8
unsigned int bitmap_line::e#2 // e zp[2]:10 2.00000002E8
unsigned int bitmap_line::e#3 // e zp[2]:10 4.0020000599999994E7
unsigned int bitmap_line::e#6 // e zp[2]:10 1.500000015E8
unsigned int bitmap_line::e1
unsigned int bitmap_line::e1#0 // e1 zp[2]:12 200002.0
unsigned int bitmap_line::e1#1 // e1 zp[2]:12 1.3333333466666667E8
unsigned int bitmap_line::e1#2 // e1 zp[2]:12 2.00000002E8
unsigned int bitmap_line::e1#3 // e1 zp[2]:12 4.0020000599999994E7
unsigned int bitmap_line::e1#6 // e1 zp[2]:12 1.500000015E8
unsigned int bitmap_line::sx
unsigned int bitmap_line::sx#0 // sx zp[2]:20 6670000.1
unsigned int bitmap_line::sy
unsigned int bitmap_line::sy#0 // sy zp[2]:16 7696153.961538462
unsigned int bitmap_line::x
unsigned int bitmap_line::x#1 // x zp[2]:6 1.00000001E8
unsigned int bitmap_line::x#12 // x zp[2]:6 2.00000002E8
unsigned int bitmap_line::x#13 // x zp[2]:6 5.715714357142858E7
unsigned int bitmap_line::x#15 // x zp[2]:6 5.714285771428572E7
unsigned int bitmap_line::x#6 // x zp[2]:6 2.00100003E8
unsigned int bitmap_line::x#7 // x zp[2]:6 7.5025001E7
unsigned int bitmap_line::x1
unsigned int bitmap_line::x1#0 // x1 zp[2]:6 20400.24
unsigned int bitmap_line::x2
unsigned int bitmap_line::x2#0 // x2 zp[2]:24 3036666.7878787876
unsigned int bitmap_line::y
unsigned int bitmap_line::y#1 // y zp[2]:8 5.714285771428572E7
unsigned int bitmap_line::y#13 // y zp[2]:8 2.00000002E8
unsigned int bitmap_line::y#15 // y zp[2]:8 4.287142914285715E7
unsigned int bitmap_line::y#2 // y zp[2]:8 1.00000001E8
unsigned int bitmap_line::y#4 // y zp[2]:8 5.002500075E7
unsigned int bitmap_line::y#7 // y zp[2]:8 1.00000001E8
unsigned int bitmap_line::y1
unsigned int bitmap_line::y1#0 // y1 zp[2]:8 16400.2
unsigned int bitmap_line::y2
unsigned int bitmap_line::y2#0 // y2 zp[2]:22 3131562.625
void bitmap_plot(unsigned int x , char y)
unsigned int bitmap_plot::$1 // zp[2]:4 2.000000002E9
char bitmap_plot::$2 // reg byte x 2.000000002E9
char *bitmap_plot::plotter
unsigned int bitmap_plot::plotter#0 // plotter zp[2]:2 5.000000005E8
char *bitmap_plot::plotter#1 // plotter zp[2]:2 1.5000000015E9
unsigned int bitmap_plot::x
unsigned int bitmap_plot::x#0 // x zp[2]:6 100001.0
unsigned int bitmap_plot::x#1 // x zp[2]:6 1.00000001E8
unsigned int bitmap_plot::x#2 // x zp[2]:6 100001.0
unsigned int bitmap_plot::x#3 // x zp[2]:6 1.00000001E8
unsigned int bitmap_plot::x#4 // x zp[2]:6 5.500500015E8
char bitmap_plot::y
char bitmap_plot::y#0 // reg byte x 200002.0
char bitmap_plot::y#1 // reg byte x 2.00000002E8
char bitmap_plot::y#2 // reg byte x 200002.0
char bitmap_plot::y#3 // reg byte x 2.00000002E8
char bitmap_plot::y#4 // reg byte x 2.200200006E9
__constant const char bitmap_plot_bit[$100] = { fill( $100, 0) }
__constant const char bitmap_plot_yhi[$100] = { fill( $100, 0) }
__constant const char bitmap_plot_ylo[$100] = { fill( $100, 0) }
char *bitmap_screen
void init_screen()
char *init_screen::c
char *init_screen::c#1 // c zp[2]:10 202.0
char *init_screen::c#2 // c zp[2]:10 134.66666666666666
void lines()
char lines::l
char lines::l#1 // l zp[1]:26 20002.0
char lines::l#2 // l zp[1]:26 10001.000000000002
__constant char lines_x[LINES+1] = { $3c, $50, $6e, $50, $3c, $28, $a, $28, $3c }
__constant char lines_y[LINES+1] = { $a, $28, $3c, $50, $6e, $50, $3c, $28, $a }
void main()
void * memset(void *str , char c , unsigned int num)
char memset::c
char memset::c#4 // reg byte x 125.125
char *memset::dst
char *memset::dst#1 // dst zp[2]:6 2002.0
char *memset::dst#2 // dst zp[2]:6 1368.3333333333335
char *memset::dst#4 // dst zp[2]:6 202.0
char *memset::end
char *memset::end#0 // end zp[2]:10 183.66666666666669
unsigned int memset::num
unsigned int memset::num#2 // num zp[2]:10 101.0
void *memset::return
void *memset::str
void *memset::str#3 // str zp[2]:6
unsigned int sgn_u16(unsigned int w)
char sgn_u16::$0 // reg byte a 2000002.0
char sgn_u16::$1 // reg byte a 2000002.0
unsigned int sgn_u16::return
unsigned int sgn_u16::return#0 // return zp[2]:16 200002.0
unsigned int sgn_u16::return#1 // return zp[2]:16 200002.0
unsigned int sgn_u16::return#4 // return zp[2]:16 50000.5
unsigned int sgn_u16::w
unsigned int sgn_u16::w#0 // w zp[2]:2 200002.0
unsigned int sgn_u16::w#1 // w zp[2]:2 200002.0
unsigned int sgn_u16::w#2 // w zp[2]:2 1200003.0

reg byte a [ bitmap_init::bits#3 bitmap_init::bits#4 bitmap_init::bits#1 ]
reg byte x [ bitmap_init::x#2 bitmap_init::x#1 ]
reg byte x [ bitmap_init::y#2 bitmap_init::y#1 ]
reg byte x [ memset::c#4 ]
zp[2]:10 [ bitmap_line::e#3 bitmap_line::e#0 bitmap_line::e#6 bitmap_line::e#1 bitmap_line::e#2 memset::num#2 memset::end#0 init_screen::c#2 init_screen::c#1 bitmap_init::yoffs#2 bitmap_init::yoffs#4 bitmap_init::yoffs#1 ]
zp[2]:6 [ bitmap_line::x#7 bitmap_line::x#6 bitmap_line::x#15 bitmap_line::x#13 bitmap_line::x1#0 bitmap_line::x#12 bitmap_line::x#1 bitmap_plot::x#4 bitmap_plot::x#2 bitmap_plot::x#0 bitmap_plot::x#1 bitmap_plot::x#3 memset::str#3 memset::dst#2 memset::dst#4 memset::dst#1 ]
zp[2]:8 [ bitmap_line::y#15 bitmap_line::y#7 bitmap_line::y#13 bitmap_line::y#4 bitmap_line::y1#0 bitmap_line::y#1 bitmap_line::y#2 ]
zp[2]:12 [ bitmap_line::e1#3 bitmap_line::e1#6 bitmap_line::e1#0 bitmap_line::e1#2 bitmap_line::e1#1 ]
zp[2]:14 [ abs_u16::return#4 abs_u16::return#2 abs_u16::w#2 abs_u16::w#0 abs_u16::w#1 abs_u16::return#0 abs_u16::return#1 bitmap_line::dy#0 ]
zp[2]:16 [ sgn_u16::return#4 sgn_u16::return#0 sgn_u16::return#1 bitmap_line::sy#0 ]
reg byte x [ bitmap_plot::y#4 bitmap_plot::y#2 bitmap_plot::y#0 bitmap_plot::y#1 bitmap_plot::y#3 ]
zp[1]:26 [ bitmap_init::$7 lines::l#2 lines::l#1 ]
reg byte a [ bitmap_init::$4 ]
reg byte a [ bitmap_init::$5 ]
reg byte a [ bitmap_init::$6 ]
zp[2]:24 [ bitmap_line::x2#0 ]
zp[2]:22 [ bitmap_line::y2#0 ]
zp[2]:18 [ bitmap_line::dx#0 ]
zp[2]:20 [ bitmap_line::sx#0 ]
reg byte a [ abs_u16::$0 ]
reg byte a [ abs_u16::$1 ]
reg byte a [ sgn_u16::$0 ]
reg byte a [ sgn_u16::$1 ]
zp[2]:2 [ bitmap_plot::plotter#0 bitmap_plot::plotter#1 sgn_u16::w#2 sgn_u16::w#0 sgn_u16::w#1 ]
zp[2]:4 [ bitmap_plot::$1 ]
reg byte x [ bitmap_plot::$2 ]


FINAL ASSEMBLER
Score: 246362

  // File Comments
/// @file
/// Commodore 64 Registers and Constants
/// @file
/// The MOS 6526 Complex Interface Adapter (CIA)
///
/// http://archive.6502.org/datasheets/mos_6526_cia_recreated.pdf
  // Upstart
  // Commodore 64 PRG executable file
.file [name="bitmap-bresenham.prg", type="prg", segments="Program"]
.segmentdef Program [segments="Basic, Code, Data"]
.segmentdef Basic [start=$0801]
.segmentdef Code [start=$80d]
.segmentdef Data [startAfter="Code"]
.segment Basic
:BasicUpstart(main)
  // Global Constants & labels
  /// $D011 Control Register #1  Bit#5: BMM Turn Bitmap Mode on/off
  .const VICII_BMM = $20
  /// $D011 Control Register #1  Bit#4: DEN Switch VIC-II output on/off
  .const VICII_DEN = $10
  /// $D011 Control Register #1  Bit#3: RSEL Switch betweem 25 or 24 visible rows
  ///          RSEL|  Display window height   | First line  | Last line
  ///          ----+--------------------------+-------------+----------
  ///            0 | 24 text lines/192 pixels |   55 ($37)  | 246 ($f6)
  ///            1 | 25 text lines/200 pixels |   51 ($33)  | 250 ($fa)
  .const VICII_RSEL = 8
  .const WHITE = 1
  .const LINES = 8
  .const OFFSET_STRUCT_MOS6569_VICII_BORDER_COLOR = $20
  .const OFFSET_STRUCT_MOS6569_VICII_BG_COLOR = $21
  /// $D011 Control Register #1
  /// @see #VICII_CONTROL1
  .label D011 = $d011
  /// $D018 VIC-II base addresses
  /// - Bit#0: not used
  /// - Bit#1-#3: CB Address Bits 11-13 of the Character Set (*2048)
  /// - Bit#4-#7: VM Address Bits 10-13 of the Screen RAM (*1024)
  /// Initial Value: %00010100
  .label VICII_MEMORY = $d018
  /// The VIC-II MOS 6567/6569
  .label VICII = $d000
  .label SCREEN = $400
  .label BITMAP = $2000
.segment Code
  // main
main: {
    // VICII->BORDER_COLOR = 0
    // [0] *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BORDER_COLOR) = 0 -- _deref_pbuc1=vbuc2 
    lda #0
    sta VICII+OFFSET_STRUCT_MOS6569_VICII_BORDER_COLOR
    // VICII->BG_COLOR = 0
    // [1] *((char *)VICII+OFFSET_STRUCT_MOS6569_VICII_BG_COLOR) = 0 -- _deref_pbuc1=vbuc2 
    sta VICII+OFFSET_STRUCT_MOS6569_VICII_BG_COLOR
    // *D011 = VICII_BMM|VICII_DEN|VICII_RSEL|3
    // [2] *D011 = VICII_BMM|VICII_DEN|VICII_RSEL|3 -- _deref_pbuc1=vbuc2 
    lda #VICII_BMM|VICII_DEN|VICII_RSEL|3
    sta D011
    // *VICII_MEMORY =  (char)((((unsigned int)SCREEN&$3fff)/$40)|(((unsigned int)BITMAP&$3fff)/$400))
    // [3] *VICII_MEMORY = (char)(unsigned int)SCREEN&$3fff/$40|(unsigned int)BITMAP&$3fff/$400 -- _deref_pbuc1=vbuc2 
    lda #(SCREEN&$3fff)/$40|(BITMAP&$3fff)/$400
    sta VICII_MEMORY
    // bitmap_init(BITMAP, SCREEN)
    // [4] call bitmap_init
    // [11] phi from main to bitmap_init [phi:main->bitmap_init]
    jsr bitmap_init
    // [5] phi from main to main::@2 [phi:main->main::@2]
    // main::@2
    // bitmap_clear(BLACK, WHITE)
    // [6] call bitmap_clear
    // [33] phi from main::@2 to bitmap_clear [phi:main::@2->bitmap_clear]
    jsr bitmap_clear
    // [7] phi from main::@2 to main::@3 [phi:main::@2->main::@3]
    // main::@3
    // init_screen()
    // [8] call init_screen
    // [38] phi from main::@3 to init_screen [phi:main::@3->init_screen]
    jsr init_screen
    // [9] phi from main::@1 main::@3 to main::@1 [phi:main::@1/main::@3->main::@1]
    // main::@1
  __b1:
    // lines()
    // [10] call lines
    // [44] phi from main::@1 to lines [phi:main::@1->lines]
    jsr lines
    jmp __b1
}
  // bitmap_init
// Initialize bitmap plotting tables
// void bitmap_init(char *gfx, char *screen)
bitmap_init: {
    .label __7 = $1a
    .label yoffs = $a
    // [12] phi from bitmap_init to bitmap_init::@1 [phi:bitmap_init->bitmap_init::@1]
    // [12] phi bitmap_init::x#2 = 0 [phi:bitmap_init->bitmap_init::@1#0] -- vbuxx=vbuc1 
    ldx #0
    // [12] phi bitmap_init::bits#3 = $80 [phi:bitmap_init->bitmap_init::@1#1] -- vbuaa=vbuc1 
    lda #$80
    // [12] phi from bitmap_init::@2 to bitmap_init::@1 [phi:bitmap_init::@2->bitmap_init::@1]
    // [12] phi bitmap_init::x#2 = bitmap_init::x#1 [phi:bitmap_init::@2->bitmap_init::@1#0] -- register_copy 
    // [12] phi bitmap_init::bits#3 = bitmap_init::bits#4 [phi:bitmap_init::@2->bitmap_init::@1#1] -- register_copy 
    // bitmap_init::@1
  __b1:
    // bitmap_plot_bit[x] = bits
    // [13] bitmap_plot_bit[bitmap_init::x#2] = bitmap_init::bits#3 -- pbuc1_derefidx_vbuxx=vbuaa 
    sta bitmap_plot_bit,x
    // bits >>= 1
    // [14] bitmap_init::bits#1 = bitmap_init::bits#3 >> 1 -- vbuaa=vbuaa_ror_1 
    lsr
    // if(bits==0)
    // [15] if(bitmap_init::bits#1!=0) goto bitmap_init::@6 -- vbuaa_neq_0_then_la1 
    cmp #0
    bne __b2
    // [17] phi from bitmap_init::@1 to bitmap_init::@2 [phi:bitmap_init::@1->bitmap_init::@2]
    // [17] phi bitmap_init::bits#4 = $80 [phi:bitmap_init::@1->bitmap_init::@2#0] -- vbuaa=vbuc1 
    lda #$80
    // [16] phi from bitmap_init::@1 to bitmap_init::@6 [phi:bitmap_init::@1->bitmap_init::@6]
    // bitmap_init::@6
    // [17] phi from bitmap_init::@6 to bitmap_init::@2 [phi:bitmap_init::@6->bitmap_init::@2]
    // [17] phi bitmap_init::bits#4 = bitmap_init::bits#1 [phi:bitmap_init::@6->bitmap_init::@2#0] -- register_copy 
    // bitmap_init::@2
  __b2:
    // for(char x : 0..255)
    // [18] bitmap_init::x#1 = ++ bitmap_init::x#2 -- vbuxx=_inc_vbuxx 
    inx
    // [19] if(bitmap_init::x#1!=0) goto bitmap_init::@1 -- vbuxx_neq_0_then_la1 
    cpx #0
    bne __b1
    // [20] phi from bitmap_init::@2 to bitmap_init::@3 [phi:bitmap_init::@2->bitmap_init::@3]
    // [20] phi bitmap_init::yoffs#2 = BITMAP [phi:bitmap_init::@2->bitmap_init::@3#0] -- pbuz1=pbuc1 
    lda #<BITMAP
    sta.z yoffs
    lda #>BITMAP
    sta.z yoffs+1
    // [20] phi bitmap_init::y#2 = 0 [phi:bitmap_init::@2->bitmap_init::@3#1] -- vbuxx=vbuc1 
    ldx #0
    // [20] phi from bitmap_init::@4 to bitmap_init::@3 [phi:bitmap_init::@4->bitmap_init::@3]
    // [20] phi bitmap_init::yoffs#2 = bitmap_init::yoffs#4 [phi:bitmap_init::@4->bitmap_init::@3#0] -- register_copy 
    // [20] phi bitmap_init::y#2 = bitmap_init::y#1 [phi:bitmap_init::@4->bitmap_init::@3#1] -- register_copy 
    // bitmap_init::@3
  __b3:
    // y&0x7
    // [21] bitmap_init::$7 = bitmap_init::y#2 & 7 -- vbuz1=vbuxx_band_vbuc1 
    lda #7
    sax.z __7
    // BYTE0(yoffs)
    // [22] bitmap_init::$4 = byte0  bitmap_init::yoffs#2 -- vbuaa=_byte0_pbuz1 
    lda.z yoffs
    // y&0x7 | BYTE0(yoffs)
    // [23] bitmap_init::$5 = bitmap_init::$7 | bitmap_init::$4 -- vbuaa=vbuz1_bor_vbuaa 
    ora.z __7
    // bitmap_plot_ylo[y] = y&0x7 | BYTE0(yoffs)
    // [24] bitmap_plot_ylo[bitmap_init::y#2] = bitmap_init::$5 -- pbuc1_derefidx_vbuxx=vbuaa 
    sta bitmap_plot_ylo,x
    // BYTE1(yoffs)
    // [25] bitmap_init::$6 = byte1  bitmap_init::yoffs#2 -- vbuaa=_byte1_pbuz1 
    lda.z yoffs+1
    // bitmap_plot_yhi[y] = BYTE1(yoffs)
    // [26] bitmap_plot_yhi[bitmap_init::y#2] = bitmap_init::$6 -- pbuc1_derefidx_vbuxx=vbuaa 
    sta bitmap_plot_yhi,x
    // if((y&0x7)==7)
    // [27] if(bitmap_init::$7!=7) goto bitmap_init::@4 -- vbuz1_neq_vbuc1_then_la1 
    lda #7
    cmp.z __7
    bne __b4
    // bitmap_init::@5
    // yoffs = yoffs + 40*8
    // [28] bitmap_init::yoffs#1 = bitmap_init::yoffs#2 + (unsigned int)$28*8 -- pbuz1=pbuz1_plus_vwuc1 
    lda.z yoffs
    clc
    adc #<$28*8
    sta.z yoffs
    lda.z yoffs+1
    adc #>$28*8
    sta.z yoffs+1
    // [29] phi from bitmap_init::@3 bitmap_init::@5 to bitmap_init::@4 [phi:bitmap_init::@3/bitmap_init::@5->bitmap_init::@4]
    // [29] phi bitmap_init::yoffs#4 = bitmap_init::yoffs#2 [phi:bitmap_init::@3/bitmap_init::@5->bitmap_init::@4#0] -- register_copy 
    // bitmap_init::@4
  __b4:
    // for(char y : 0..255)
    // [30] bitmap_init::y#1 = ++ bitmap_init::y#2 -- vbuxx=_inc_vbuxx 
    inx
    // [31] if(bitmap_init::y#1!=0) goto bitmap_init::@3 -- vbuxx_neq_0_then_la1 
    cpx #0
    bne __b3
    // bitmap_init::@return
    // }
    // [32] return 
    rts
}
  // bitmap_clear
// Clear all graphics on the bitmap
// bgcol - the background color to fill the screen with
// fgcol - the foreground color to fill the screen with
// void bitmap_clear(char bgcol, char fgcol)
bitmap_clear: {
    .const col = WHITE*$10
    // memset(bitmap_screen, col, 1000uw)
    // [34] call memset
    // [54] phi from bitmap_clear to memset [phi:bitmap_clear->memset]
    // [54] phi memset::c#4 = bitmap_clear::col#0 [phi:bitmap_clear->memset#0] -- vbuxx=vbuc1 
    ldx #col
    // [54] phi memset::str#3 = (void *)SCREEN [phi:bitmap_clear->memset#1] -- pvoz1=pvoc1 
    lda #<SCREEN
    sta.z memset.str
    lda #>SCREEN
    sta.z memset.str+1
    // [54] phi memset::num#2 = $3e8 [phi:bitmap_clear->memset#2] -- vwuz1=vwuc1 
    lda #<$3e8
    sta.z memset.num
    lda #>$3e8
    sta.z memset.num+1
    jsr memset
    // [35] phi from bitmap_clear to bitmap_clear::@1 [phi:bitmap_clear->bitmap_clear::@1]
    // bitmap_clear::@1
    // memset(bitmap_gfx, 0, 8000uw)
    // [36] call memset
    // [54] phi from bitmap_clear::@1 to memset [phi:bitmap_clear::@1->memset]
    // [54] phi memset::c#4 = 0 [phi:bitmap_clear::@1->memset#0] -- vbuxx=vbuc1 
    ldx #0
    // [54] phi memset::str#3 = (void *)BITMAP [phi:bitmap_clear::@1->memset#1] -- pvoz1=pvoc1 
    lda #<BITMAP
    sta.z memset.str
    lda #>BITMAP
    sta.z memset.str+1
    // [54] phi memset::num#2 = $1f40 [phi:bitmap_clear::@1->memset#2] -- vwuz1=vwuc1 
    lda #<$1f40
    sta.z memset.num
    lda #>$1f40
    sta.z memset.num+1
    jsr memset
    // bitmap_clear::@return
    // }
    // [37] return 
    rts
}
  // init_screen
init_screen: {
    .label c = $a
    // [39] phi from init_screen to init_screen::@1 [phi:init_screen->init_screen::@1]
    // [39] phi init_screen::c#2 = SCREEN [phi:init_screen->init_screen::@1#0] -- pbuz1=pbuc1 
    lda #<SCREEN
    sta.z c
    lda #>SCREEN
    sta.z c+1
    // init_screen::@1
  __b1:
    // for(char* c = SCREEN; c!=SCREEN+$400;c++)
    // [40] if(init_screen::c#2!=SCREEN+$400) goto init_screen::@2 -- pbuz1_neq_pbuc1_then_la1 
    lda.z c+1
    cmp #>SCREEN+$400
    bne __b2
    lda.z c
    cmp #<SCREEN+$400
    bne __b2
    // init_screen::@return
    // }
    // [41] return 
    rts
    // init_screen::@2
  __b2:
    // *c = $14
    // [42] *init_screen::c#2 = $14 -- _deref_pbuz1=vbuc1 
    lda #$14
    ldy #0
    sta (c),y
    // for(char* c = SCREEN; c!=SCREEN+$400;c++)
    // [43] init_screen::c#1 = ++ init_screen::c#2 -- pbuz1=_inc_pbuz1 
    inc.z c
    bne !+
    inc.z c+1
  !:
    // [39] phi from init_screen::@2 to init_screen::@1 [phi:init_screen::@2->init_screen::@1]
    // [39] phi init_screen::c#2 = init_screen::c#1 [phi:init_screen::@2->init_screen::@1#0] -- register_copy 
    jmp __b1
}
  // lines
lines: {
    .label l = $1a
    // [45] phi from lines to lines::@1 [phi:lines->lines::@1]
    // [45] phi lines::l#2 = 0 [phi:lines->lines::@1#0] -- vbuz1=vbuc1 
    lda #0
    sta.z l
    // lines::@1
  __b1:
    // for(char l=0; l<LINES;l++)
    // [46] if(lines::l#2<LINES) goto lines::@2 -- vbuz1_lt_vbuc1_then_la1 
    lda.z l
    cmp #LINES
    bcc __b2
    // lines::@return
    // }
    // [47] return 
    rts
    // lines::@2
  __b2:
    // bitmap_line(lines_x[l], lines_y[l], lines_x[l+1], lines_y[l+1])
    // [48] bitmap_line::x1#0 = lines_x[lines::l#2] -- vwuz1=pbuc1_derefidx_vbuz2 
    ldy.z l
    lda lines_x,y
    sta.z bitmap_line.x1
    lda #0
    sta.z bitmap_line.x1+1
    // [49] bitmap_line::y1#0 = lines_y[lines::l#2] -- vwuz1=pbuc1_derefidx_vbuz2 
    lda lines_y,y
    sta.z bitmap_line.y1
    lda #0
    sta.z bitmap_line.y1+1
    // [50] bitmap_line::x2#0 = (lines_x+1)[lines::l#2] -- vwuz1=pbuc1_derefidx_vbuz2 
    lda lines_x+1,y
    sta.z bitmap_line.x2
    lda #0
    sta.z bitmap_line.x2+1
    // [51] bitmap_line::y2#0 = (lines_y+1)[lines::l#2] -- vwuz1=pbuc1_derefidx_vbuz2 
    lda lines_y+1,y
    sta.z bitmap_line.y2
    lda #0
    sta.z bitmap_line.y2+1
    // [52] call bitmap_line
    jsr bitmap_line
    // lines::@3
    // for(char l=0; l<LINES;l++)
    // [53] lines::l#1 = ++ lines::l#2 -- vbuz1=_inc_vbuz1 
    inc.z l
    // [45] phi from lines::@3 to lines::@1 [phi:lines::@3->lines::@1]
    // [45] phi lines::l#2 = lines::l#1 [phi:lines::@3->lines::@1#0] -- register_copy 
    jmp __b1
}
  // memset
// Copies the character c (an unsigned char) to the first num characters of the object pointed to by the argument str.
// void * memset(__zp(6) void *str, __register(X) char c, __zp($a) unsigned int num)
memset: {
    .label end = $a
    .label dst = 6
    .label num = $a
    .label str = 6
    // if(num>0)
    // [55] if(memset::num#2<=0) goto memset::@return -- vwuz1_le_0_then_la1 
    lda.z num
    bne !+
    lda.z num+1
    beq __breturn
  !:
    // memset::@1
    // char* end = (char*)str + num
    // [56] memset::end#0 = (char *)memset::str#3 + memset::num#2 -- pbuz1=pbuz2_plus_vwuz1 
    clc
    lda.z end
    adc.z str
    sta.z end
    lda.z end+1
    adc.z str+1
    sta.z end+1
    // [57] memset::dst#4 = (char *)memset::str#3
    // [58] phi from memset::@1 memset::@3 to memset::@2 [phi:memset::@1/memset::@3->memset::@2]
    // [58] phi memset::dst#2 = memset::dst#4 [phi:memset::@1/memset::@3->memset::@2#0] -- register_copy 
    // memset::@2
  __b2:
    // for(char* dst = str; dst!=end; dst++)
    // [59] if(memset::dst#2!=memset::end#0) goto memset::@3 -- pbuz1_neq_pbuz2_then_la1 
    lda.z dst+1
    cmp.z end+1
    bne __b3
    lda.z dst
    cmp.z end
    bne __b3
    // memset::@return
  __breturn:
    // }
    // [60] return 
    rts
    // memset::@3
  __b3:
    // *dst = c
    // [61] *memset::dst#2 = memset::c#4 -- _deref_pbuz1=vbuxx 
    txa
    ldy #0
    sta (dst),y
    // for(char* dst = str; dst!=end; dst++)
    // [62] memset::dst#1 = ++ memset::dst#2 -- pbuz1=_inc_pbuz1 
    inc.z dst
    bne !+
    inc.z dst+1
  !:
    jmp __b2
}
  // bitmap_line
// Draw a line on the bitmap using bresenhams algorithm
// void bitmap_line(__zp(6) unsigned int x1, __zp(8) unsigned int y1, __zp($18) unsigned int x2, __zp($16) unsigned int y2)
bitmap_line: {
    .label dx = $12
    .label dy = $e
    .label sx = $14
    .label sy = $10
    .label e1 = $c
    .label e = $a
    .label y = 8
    .label x = 6
    .label x1 = 6
    .label y1 = 8
    .label x2 = $18
    .label y2 = $16
    // unsigned int dx = abs_u16(x2-x1)
    // [63] abs_u16::w#0 = bitmap_line::x2#0 - bitmap_line::x1#0 -- vwuz1=vwuz2_minus_vwuz3 
    lda.z x2
    sec
    sbc.z x1
    sta.z abs_u16.w
    lda.z x2+1
    sbc.z x1+1
    sta.z abs_u16.w+1
    // [64] call abs_u16
    // [114] phi from bitmap_line to abs_u16 [phi:bitmap_line->abs_u16]
    // [114] phi abs_u16::w#2 = abs_u16::w#0 [phi:bitmap_line->abs_u16#0] -- register_copy 
    jsr abs_u16
    // unsigned int dx = abs_u16(x2-x1)
    // [65] abs_u16::return#0 = abs_u16::return#4
    // bitmap_line::@12
    // [66] bitmap_line::dx#0 = abs_u16::return#0 -- vwuz1=vwuz2 
    lda.z abs_u16.return
    sta.z dx
    lda.z abs_u16.return+1
    sta.z dx+1
    // unsigned int dy = abs_u16(y2-y1)
    // [67] abs_u16::w#1 = bitmap_line::y2#0 - bitmap_line::y1#0 -- vwuz1=vwuz2_minus_vwuz3 
    lda.z y2
    sec
    sbc.z y1
    sta.z abs_u16.w
    lda.z y2+1
    sbc.z y1+1
    sta.z abs_u16.w+1
    // [68] call abs_u16
    // [114] phi from bitmap_line::@12 to abs_u16 [phi:bitmap_line::@12->abs_u16]
    // [114] phi abs_u16::w#2 = abs_u16::w#1 [phi:bitmap_line::@12->abs_u16#0] -- register_copy 
    jsr abs_u16
    // unsigned int dy = abs_u16(y2-y1)
    // [69] abs_u16::return#1 = abs_u16::return#4
    // bitmap_line::@13
    // [70] bitmap_line::dy#0 = abs_u16::return#1
    // if(dx==0 && dy==0)
    // [71] if(bitmap_line::dx#0!=0) goto bitmap_line::@1 -- vwuz1_neq_0_then_la1 
    lda.z dx
    ora.z dx+1
    bne __b1
    // bitmap_line::@18
    // [72] if(bitmap_line::dy#0==0) goto bitmap_line::@4 -- vwuz1_eq_0_then_la1 
    lda.z dy
    ora.z dy+1
    bne !__b4+
    jmp __b4
  !__b4:
    // bitmap_line::@1
  __b1:
    // unsigned int sx = sgn_u16(x2-x1)
    // [73] sgn_u16::w#0 = bitmap_line::x2#0 - bitmap_line::x1#0 -- vwuz1=vwuz2_minus_vwuz3 
    lda.z x2
    sec
    sbc.z x1
    sta.z sgn_u16.w
    lda.z x2+1
    sbc.z x1+1
    sta.z sgn_u16.w+1
    // [74] call sgn_u16
    // [121] phi from bitmap_line::@1 to sgn_u16 [phi:bitmap_line::@1->sgn_u16]
    // [121] phi sgn_u16::w#2 = sgn_u16::w#0 [phi:bitmap_line::@1->sgn_u16#0] -- register_copy 
    jsr sgn_u16
    // unsigned int sx = sgn_u16(x2-x1)
    // [75] sgn_u16::return#0 = sgn_u16::return#4
    // bitmap_line::@14
    // [76] bitmap_line::sx#0 = sgn_u16::return#0 -- vwuz1=vwuz2 
    lda.z sgn_u16.return
    sta.z sx
    lda.z sgn_u16.return+1
    sta.z sx+1
    // unsigned int sy = sgn_u16(y2-y1)
    // [77] sgn_u16::w#1 = bitmap_line::y2#0 - bitmap_line::y1#0 -- vwuz1=vwuz2_minus_vwuz3 
    lda.z y2
    sec
    sbc.z y1
    sta.z sgn_u16.w
    lda.z y2+1
    sbc.z y1+1
    sta.z sgn_u16.w+1
    // [78] call sgn_u16
    // [121] phi from bitmap_line::@14 to sgn_u16 [phi:bitmap_line::@14->sgn_u16]
    // [121] phi sgn_u16::w#2 = sgn_u16::w#1 [phi:bitmap_line::@14->sgn_u16#0] -- register_copy 
    jsr sgn_u16
    // unsigned int sy = sgn_u16(y2-y1)
    // [79] sgn_u16::return#1 = sgn_u16::return#4
    // bitmap_line::@15
    // [80] bitmap_line::sy#0 = sgn_u16::return#1
    // if(dx > dy)
    // [81] if(bitmap_line::dx#0>bitmap_line::dy#0) goto bitmap_line::@2 -- vwuz1_gt_vwuz2_then_la1 
    lda.z dy+1
    cmp.z dx+1
    bcc __b2
    bne !+
    lda.z dy
    cmp.z dx
    bcc __b2
  !:
    // bitmap_line::@5
    // unsigned int e = dx/2
    // [82] bitmap_line::e#0 = bitmap_line::dx#0 >> 1 -- vwuz1=vwuz2_ror_1 
    // Y is the driver
    lda.z dx+1
    lsr
    sta.z e+1
    lda.z dx
    ror
    sta.z e
    // [83] phi from bitmap_line::@5 bitmap_line::@7 to bitmap_line::@6 [phi:bitmap_line::@5/bitmap_line::@7->bitmap_line::@6]
    // [83] phi bitmap_line::e#3 = bitmap_line::e#0 [phi:bitmap_line::@5/bitmap_line::@7->bitmap_line::@6#0] -- register_copy 
    // [83] phi bitmap_line::y#4 = bitmap_line::y1#0 [phi:bitmap_line::@5/bitmap_line::@7->bitmap_line::@6#1] -- register_copy 
    // [83] phi bitmap_line::x#13 = bitmap_line::x1#0 [phi:bitmap_line::@5/bitmap_line::@7->bitmap_line::@6#2] -- register_copy 
    // bitmap_line::@6
  __b6:
    // bitmap_plot(x,(char)y)
    // [84] bitmap_plot::x#1 = bitmap_line::x#13
    // [85] bitmap_plot::y#1 = (char)bitmap_line::y#4 -- vbuxx=_byte_vwuz1 
    ldx.z y
    // [86] call bitmap_plot
    // [128] phi from bitmap_line::@6 to bitmap_plot [phi:bitmap_line::@6->bitmap_plot]
    // [128] phi bitmap_plot::x#4 = bitmap_plot::x#1 [phi:bitmap_line::@6->bitmap_plot#0] -- register_copy 
    // [128] phi bitmap_plot::y#4 = bitmap_plot::y#1 [phi:bitmap_line::@6->bitmap_plot#1] -- register_copy 
    jsr bitmap_plot
    // bitmap_line::@16
    // y += sy
    // [87] bitmap_line::y#1 = bitmap_line::y#4 + bitmap_line::sy#0 -- vwuz1=vwuz1_plus_vwuz2 
    clc
    lda.z y
    adc.z sy
    sta.z y
    lda.z y+1
    adc.z sy+1
    sta.z y+1
    // e += dx
    // [88] bitmap_line::e#1 = bitmap_line::e#3 + bitmap_line::dx#0 -- vwuz1=vwuz1_plus_vwuz2 
    clc
    lda.z e
    adc.z dx
    sta.z e
    lda.z e+1
    adc.z dx+1
    sta.z e+1
    // if(dy<e)
    // [89] if(bitmap_line::dy#0>=bitmap_line::e#1) goto bitmap_line::@7 -- vwuz1_ge_vwuz2_then_la1 
    cmp.z dy+1
    bne !+
    lda.z e
    cmp.z dy
    beq __b7
  !:
    bcc __b7
    // bitmap_line::@8
    // x += sx
    // [90] bitmap_line::x#1 = bitmap_line::x#13 + bitmap_line::sx#0 -- vwuz1=vwuz1_plus_vwuz2 
    clc
    lda.z x
    adc.z sx
    sta.z x
    lda.z x+1
    adc.z sx+1
    sta.z x+1
    // e -= dy
    // [91] bitmap_line::e#2 = bitmap_line::e#1 - bitmap_line::dy#0 -- vwuz1=vwuz1_minus_vwuz2 
    lda.z e
    sec
    sbc.z dy
    sta.z e
    lda.z e+1
    sbc.z dy+1
    sta.z e+1
    // [92] phi from bitmap_line::@16 bitmap_line::@8 to bitmap_line::@7 [phi:bitmap_line::@16/bitmap_line::@8->bitmap_line::@7]
    // [92] phi bitmap_line::e#6 = bitmap_line::e#1 [phi:bitmap_line::@16/bitmap_line::@8->bitmap_line::@7#0] -- register_copy 
    // [92] phi bitmap_line::x#12 = bitmap_line::x#13 [phi:bitmap_line::@16/bitmap_line::@8->bitmap_line::@7#1] -- register_copy 
    // bitmap_line::@7
  __b7:
    // while (y != y2)
    // [93] if(bitmap_line::y#1!=bitmap_line::y2#0) goto bitmap_line::@6 -- vwuz1_neq_vwuz2_then_la1 
    lda.z y+1
    cmp.z y2+1
    bne __b6
    lda.z y
    cmp.z y2
    bne __b6
    // [94] phi from bitmap_line::@10 bitmap_line::@7 to bitmap_line::@3 [phi:bitmap_line::@10/bitmap_line::@7->bitmap_line::@3]
    // [94] phi bitmap_line::y#7 = bitmap_line::y#13 [phi:bitmap_line::@10/bitmap_line::@7->bitmap_line::@3#0] -- register_copy 
    // [94] phi bitmap_line::x#6 = bitmap_line::x#15 [phi:bitmap_line::@10/bitmap_line::@7->bitmap_line::@3#1] -- register_copy 
    // bitmap_line::@3
  __b3:
    // bitmap_plot(x,(char)y)
    // [95] bitmap_plot::x#2 = bitmap_line::x#6
    // [96] bitmap_plot::y#2 = (char)bitmap_line::y#7 -- vbuxx=_byte_vwuz1 
    ldx.z y
    // [97] call bitmap_plot
    // [128] phi from bitmap_line::@3 to bitmap_plot [phi:bitmap_line::@3->bitmap_plot]
    // [128] phi bitmap_plot::x#4 = bitmap_plot::x#2 [phi:bitmap_line::@3->bitmap_plot#0] -- register_copy 
    // [128] phi bitmap_plot::y#4 = bitmap_plot::y#2 [phi:bitmap_line::@3->bitmap_plot#1] -- register_copy 
    jsr bitmap_plot
    // bitmap_line::@return
    // }
    // [98] return 
    rts
    // bitmap_line::@2
  __b2:
    // unsigned int e = dy/2
    // [99] bitmap_line::e1#0 = bitmap_line::dy#0 >> 1 -- vwuz1=vwuz2_ror_1 
    // X is the driver
    lda.z dy+1
    lsr
    sta.z e1+1
    lda.z dy
    ror
    sta.z e1
    // [100] phi from bitmap_line::@10 bitmap_line::@2 to bitmap_line::@9 [phi:bitmap_line::@10/bitmap_line::@2->bitmap_line::@9]
    // [100] phi bitmap_line::e1#3 = bitmap_line::e1#6 [phi:bitmap_line::@10/bitmap_line::@2->bitmap_line::@9#0] -- register_copy 
    // [100] phi bitmap_line::y#15 = bitmap_line::y#13 [phi:bitmap_line::@10/bitmap_line::@2->bitmap_line::@9#1] -- register_copy 
    // [100] phi bitmap_line::x#7 = bitmap_line::x#15 [phi:bitmap_line::@10/bitmap_line::@2->bitmap_line::@9#2] -- register_copy 
    // bitmap_line::@9
  __b9:
    // bitmap_plot(x,(char)y)
    // [101] bitmap_plot::x#3 = bitmap_line::x#7
    // [102] bitmap_plot::y#3 = (char)bitmap_line::y#15 -- vbuxx=_byte_vwuz1 
    ldx.z y
    // [103] call bitmap_plot
    // [128] phi from bitmap_line::@9 to bitmap_plot [phi:bitmap_line::@9->bitmap_plot]
    // [128] phi bitmap_plot::x#4 = bitmap_plot::x#3 [phi:bitmap_line::@9->bitmap_plot#0] -- register_copy 
    // [128] phi bitmap_plot::y#4 = bitmap_plot::y#3 [phi:bitmap_line::@9->bitmap_plot#1] -- register_copy 
    jsr bitmap_plot
    // bitmap_line::@17
    // x += sx
    // [104] bitmap_line::x#15 = bitmap_line::x#7 + bitmap_line::sx#0 -- vwuz1=vwuz1_plus_vwuz2 
    clc
    lda.z x
    adc.z sx
    sta.z x
    lda.z x+1
    adc.z sx+1
    sta.z x+1
    // e += dy
    // [105] bitmap_line::e1#1 = bitmap_line::e1#3 + bitmap_line::dy#0 -- vwuz1=vwuz1_plus_vwuz2 
    clc
    lda.z e1
    adc.z dy
    sta.z e1
    lda.z e1+1
    adc.z dy+1
    sta.z e1+1
    // if(dx < e)
    // [106] if(bitmap_line::dx#0>=bitmap_line::e1#1) goto bitmap_line::@10 -- vwuz1_ge_vwuz2_then_la1 
    cmp.z dx+1
    bne !+
    lda.z e1
    cmp.z dx
    beq __b10
  !:
    bcc __b10
    // bitmap_line::@11
    // y += sy
    // [107] bitmap_line::y#2 = bitmap_line::y#15 + bitmap_line::sy#0 -- vwuz1=vwuz1_plus_vwuz2 
    clc
    lda.z y
    adc.z sy
    sta.z y
    lda.z y+1
    adc.z sy+1
    sta.z y+1
    // e -= dx
    // [108] bitmap_line::e1#2 = bitmap_line::e1#1 - bitmap_line::dx#0 -- vwuz1=vwuz1_minus_vwuz2 
    lda.z e1
    sec
    sbc.z dx
    sta.z e1
    lda.z e1+1
    sbc.z dx+1
    sta.z e1+1
    // [109] phi from bitmap_line::@11 bitmap_line::@17 to bitmap_line::@10 [phi:bitmap_line::@11/bitmap_line::@17->bitmap_line::@10]
    // [109] phi bitmap_line::e1#6 = bitmap_line::e1#2 [phi:bitmap_line::@11/bitmap_line::@17->bitmap_line::@10#0] -- register_copy 
    // [109] phi bitmap_line::y#13 = bitmap_line::y#2 [phi:bitmap_line::@11/bitmap_line::@17->bitmap_line::@10#1] -- register_copy 
    // bitmap_line::@10
  __b10:
    // while (x != x2)
    // [110] if(bitmap_line::x#15!=bitmap_line::x2#0) goto bitmap_line::@9 -- vwuz1_neq_vwuz2_then_la1 
    lda.z x+1
    cmp.z x2+1
    bne __b9
    lda.z x
    cmp.z x2
    bne __b9
    jmp __b3
    // bitmap_line::@4
  __b4:
    // bitmap_plot(x,(char)y)
    // [111] bitmap_plot::x#0 = bitmap_line::x1#0
    // [112] bitmap_plot::y#0 = (char)bitmap_line::y1#0 -- vbuxx=_byte_vwuz1 
    ldx.z y1
    // [113] call bitmap_plot
    // [128] phi from bitmap_line::@4 to bitmap_plot [phi:bitmap_line::@4->bitmap_plot]
    // [128] phi bitmap_plot::x#4 = bitmap_plot::x#0 [phi:bitmap_line::@4->bitmap_plot#0] -- register_copy 
    // [128] phi bitmap_plot::y#4 = bitmap_plot::y#0 [phi:bitmap_line::@4->bitmap_plot#1] -- register_copy 
    jsr bitmap_plot
    rts
}
  // abs_u16
// Get the absolute value of a 16-bit unsigned number treated as a signed number.
// __zp($e) unsigned int abs_u16(__zp($e) unsigned int w)
abs_u16: {
    .label w = $e
    .label return = $e
    // BYTE1(w)
    // [115] abs_u16::$0 = byte1  abs_u16::w#2 -- vbuaa=_byte1_vwuz1 
    lda.z w+1
    // BYTE1(w)&0x80
    // [116] abs_u16::$1 = abs_u16::$0 & $80 -- vbuaa=vbuaa_band_vbuc1 
    and #$80
    // if(BYTE1(w)&0x80)
    // [117] if(0!=abs_u16::$1) goto abs_u16::@1 -- 0_neq_vbuaa_then_la1 
    cmp #0
    bne __b1
    // [119] phi from abs_u16 abs_u16::@1 to abs_u16::@return [phi:abs_u16/abs_u16::@1->abs_u16::@return]
    // [119] phi abs_u16::return#4 = abs_u16::w#2 [phi:abs_u16/abs_u16::@1->abs_u16::@return#0] -- register_copy 
    rts
    // abs_u16::@1
  __b1:
    // return -w;
    // [118] abs_u16::return#2 = - abs_u16::w#2 -- vwuz1=_neg_vwuz1 
    sec
    lda #0
    sbc.z return
    sta.z return
    lda #0
    sbc.z return+1
    sta.z return+1
    // abs_u16::@return
    // }
    // [120] return 
    rts
}
  // sgn_u16
// Get the sign of a 16-bit unsigned number treated as a signed number.
// Returns unsigned -1 if the number is
// __zp($10) unsigned int sgn_u16(__zp(2) unsigned int w)
sgn_u16: {
    .label w = 2
    .label return = $10
    // BYTE1(w)
    // [122] sgn_u16::$0 = byte1  sgn_u16::w#2 -- vbuaa=_byte1_vwuz1 
    lda.z w+1
    // BYTE1(w)&0x80
    // [123] sgn_u16::$1 = sgn_u16::$0 & $80 -- vbuaa=vbuaa_band_vbuc1 
    and #$80
    // if(BYTE1(w)&0x80)
    // [124] if(0!=sgn_u16::$1) goto sgn_u16::@1 -- 0_neq_vbuaa_then_la1 
    cmp #0
    bne __b1
    // [126] phi from sgn_u16 to sgn_u16::@return [phi:sgn_u16->sgn_u16::@return]
    // [126] phi sgn_u16::return#4 = 1 [phi:sgn_u16->sgn_u16::@return#0] -- vwuz1=vbuc1 
    lda #<1
    sta.z return
    lda #>1
    sta.z return+1
    rts
    // [125] phi from sgn_u16 to sgn_u16::@1 [phi:sgn_u16->sgn_u16::@1]
    // sgn_u16::@1
  __b1:
    // [126] phi from sgn_u16::@1 to sgn_u16::@return [phi:sgn_u16::@1->sgn_u16::@return]
    // [126] phi sgn_u16::return#4 = -1 [phi:sgn_u16::@1->sgn_u16::@return#0] -- vwuz1=vbuc1 
    lda #<-1
    sta.z return
    sta.z return+1
    // sgn_u16::@return
    // }
    // [127] return 
    rts
}
  // bitmap_plot
// Plot a single dot in the bitmap
// void bitmap_plot(__zp(6) unsigned int x, __register(X) char y)
bitmap_plot: {
    .label __1 = 4
    .label plotter = 2
    .label x = 6
    // MAKEWORD( bitmap_plot_yhi[y], bitmap_plot_ylo[y] )
    // [129] bitmap_plot::plotter#0 = bitmap_plot_yhi[bitmap_plot::y#4] w= bitmap_plot_ylo[bitmap_plot::y#4] -- vwuz1=pbuc1_derefidx_vbuxx_word_pbuc2_derefidx_vbuxx 
    lda bitmap_plot_yhi,x
    sta.z plotter+1
    lda bitmap_plot_ylo,x
    sta.z plotter
    // x & 0xfff8
    // [130] bitmap_plot::$1 = bitmap_plot::x#4 & $fff8 -- vwuz1=vwuz2_band_vwuc1 
    lda.z x
    and #<$fff8
    sta.z __1
    lda.z x+1
    and #>$fff8
    sta.z __1+1
    // plotter += ( x & 0xfff8 )
    // [131] bitmap_plot::plotter#1 = (char *)bitmap_plot::plotter#0 + bitmap_plot::$1 -- pbuz1=pbuz1_plus_vwuz2 
    clc
    lda.z plotter
    adc.z __1
    sta.z plotter
    lda.z plotter+1
    adc.z __1+1
    sta.z plotter+1
    // BYTE0(x)
    // [132] bitmap_plot::$2 = byte0  bitmap_plot::x#4 -- vbuxx=_byte0_vwuz1 
    ldx.z x
    // *plotter |= bitmap_plot_bit[BYTE0(x)]
    // [133] *bitmap_plot::plotter#1 = *bitmap_plot::plotter#1 | bitmap_plot_bit[bitmap_plot::$2] -- _deref_pbuz1=_deref_pbuz1_bor_pbuc1_derefidx_vbuxx 
    lda bitmap_plot_bit,x
    ldy #0
    ora (plotter),y
    sta (plotter),y
    // bitmap_plot::@return
    // }
    // [134] return 
    rts
}
  // File Data
.segment Data
  // Tables for the plotter - initialized by calling bitmap_init();
  bitmap_plot_ylo: .fill $100, 0
  bitmap_plot_yhi: .fill $100, 0
  bitmap_plot_bit: .fill $100, 0
  lines_x: .byte $3c, $50, $6e, $50, $3c, $28, $a, $28, $3c
  lines_y: .byte $a, $28, $3c, $50, $6e, $50, $3c, $28, $a