@begin: scope:[]  from
  [0] phi()
  to:@1
@1: scope:[]  from @begin
  [1] phi()
  [2] call main 
  to:@end
@end: scope:[]  from @1
  [3] phi()
main: scope:[main]  from @1
  [4] phi()
  [5] call fillscreen 
  to:main::@1
main::@1: scope:[main]  from main main::@1 main::@4
  [6] (byte*) main::nxt#9 ← phi( main/(const byte*) TEXT#0 main::@4/(byte*) main::nxt#10 )
  [6] (byte) main::scroll#7 ← phi( main/(byte) 7 main::@4/(byte) main::scroll#4 )
  [7] if(*((const byte*) RASTER#0)!=(byte) $fe) goto main::@1
  to:main::@2
main::@2: scope:[main]  from main::@1 main::@2
  [8] if(*((const byte*) RASTER#0)!=(byte) $ff) goto main::@2
  to:main::@3
main::@3: scope:[main]  from main::@2
  [9] *((const byte*) BGCOL#0) ← ++ *((const byte*) BGCOL#0)
  [10] (byte) main::scroll#1 ← -- (byte) main::scroll#7
  [11] if((byte) main::scroll#1!=(byte) $ff) goto main::@4
  to:main::@5
main::@5: scope:[main]  from main::@3 main::@5
  [12] (byte) main::i#2 ← phi( main::@3/(byte) 0 main::@5/(byte) main::i#1 )
  [13] *((const byte[]) main::line#0 + (byte) main::i#2) ← *((const byte[]) main::line#0+(byte) 1 + (byte) main::i#2)
  [14] (byte) main::i#1 ← ++ (byte) main::i#2
  [15] if((byte) main::i#1!=(byte) $27) goto main::@5
  to:main::@6
main::@6: scope:[main]  from main::@5
  [16] (byte) main::c#0 ← *((byte*) main::nxt#9)
  [17] if((byte) main::c#0!=(byte) '@') goto main::@8
  to:main::@7
main::@7: scope:[main]  from main::@6
  [18] (byte) main::c#1 ← *((const byte*) TEXT#0)
  to:main::@8
main::@8: scope:[main]  from main::@6 main::@7
  [19] (byte*) main::nxt#4 ← phi( main::@7/(const byte*) TEXT#0 main::@6/(byte*) main::nxt#9 )
  [19] (byte) main::c#2 ← phi( main::@7/(byte) main::c#1 main::@6/(byte) main::c#0 )
  [20] *((const byte[]) main::line#0+(byte) $27) ← (byte) main::c#2
  [21] (byte*) main::nxt#1 ← ++ (byte*) main::nxt#4
  to:main::@4
main::@4: scope:[main]  from main::@3 main::@8
  [22] (byte*) main::nxt#10 ← phi( main::@8/(byte*) main::nxt#1 main::@3/(byte*) main::nxt#9 )
  [22] (byte) main::scroll#4 ← phi( main::@8/(byte) 7 main::@3/(byte) main::scroll#1 )
  [23] *((const byte*) SCROLL#0) ← (byte) main::scroll#4
  [24] *((const byte*) BGCOL#0) ← -- *((const byte*) BGCOL#0)
  to:main::@1
fillscreen: scope:[fillscreen]  from main
  [25] phi()
  to:fillscreen::@1
fillscreen::@1: scope:[fillscreen]  from fillscreen fillscreen::@1
  [26] (byte*) fillscreen::cursor#2 ← phi( fillscreen/(const byte*) SCREEN#0 fillscreen::@1/(byte*) fillscreen::cursor#1 )
  [27] *((byte*) fillscreen::cursor#2) ← (const byte) fillscreen::fill#0
  [28] (byte*) fillscreen::cursor#1 ← ++ (byte*) fillscreen::cursor#2
  [29] if((byte*) fillscreen::cursor#1<(const byte*) SCREEN#0+(word) $3e8) goto fillscreen::@1
  to:fillscreen::@return
fillscreen::@return: scope:[fillscreen]  from fillscreen::@1
  [30] return 
  to:@return
