@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
  asm { sei  }
  [5] *((const byte*) PROCPORT_DDR#0) ← (const byte) PROCPORT_DDR_MEMORY_MASK#0
  [6] *((const byte*) PROCPORT#0) ← (const byte) PROCPORT_RAM_IO#0
  [7] *((const byte*) CIA1_INTERRUPT#0) ← (const byte) CIA_INTERRUPT_CLEAR#0
  [8] *((const byte*) VIC_CONTROL#0) ← *((const byte*) VIC_CONTROL#0) | (byte) $80
  [9] *((const byte*) RASTER#0) ← (byte) 0
  [10] *((const byte*) IRQ_ENABLE#0) ← (const byte) IRQ_RASTER#0
  [11] *((const void()**) HARDWARE_IRQ#0) ← &interrupt(HARDWARE_CLOBBER)(void()) irq()
  asm { cli  }
  to:main::@1
main::@1: scope:[main]  from main main::@1
  [13] *((const byte*) BORDERCOL#0) ← ++ *((const byte*) BORDERCOL#0)
  to:main::@1
irq: scope:[irq]  from
  [14] phi()
  [15] call do_irq 
  to:irq::@return
irq::@return: scope:[irq]  from irq
  [16] return 
  to:@return
do_irq: scope:[do_irq]  from irq
  [17] *((const byte*) BGCOL#0) ← (const byte) WHITE#0
  [18] *((const byte*) BGCOL#0) ← (const byte) BLACK#0
  [19] *((const byte*) IRQ_STATUS#0) ← (const byte) IRQ_RASTER#0
  to:do_irq::@return
do_irq::@return: scope:[do_irq]  from do_irq
  [20] return 
  to:@return
