@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()
  to:main::@1
main::@1: scope:[main]  from main main::@2
  [5] (word) main::xpos#2 ← phi( main/(byte) $c8 main::@2/(word) main::xpos#1 )
  [5] (byte) main::s#2 ← phi( main/(byte) 0 main::@2/(byte) main::s#1 )
  [6] (byte) position_sprite::spriteno#0 ← (byte) main::s#2
  [7] (word) position_sprite::x#0 ← (word) main::xpos#2
  [8] call position_sprite 
  to:main::@2
main::@2: scope:[main]  from main::@1
  [9] (word) main::xpos#1 ← (word) main::xpos#2 + (byte) $a
  [10] (byte) main::s#1 ← ++ (byte) main::s#2
  [11] if((byte) main::s#1!=(byte) 8) goto main::@1
  to:main::@return
main::@return: scope:[main]  from main::@2
  [12] return 
  to:@return
position_sprite: scope:[position_sprite]  from main::@1
  [13] (byte~) position_sprite::$1 ← (byte) position_sprite::spriteno#0 << (byte) 1
  [14] *((const byte*) SPRITES_YPOS#0 + (byte~) position_sprite::$1) ← (const byte) position_sprite::y#0
  [15] (byte~) position_sprite::$2 ← < (word) position_sprite::x#0
  [16] *((const byte*) SPRITES_XPOS#0 + (byte~) position_sprite::$1) ← (byte~) position_sprite::$2
  [17] if((word) position_sprite::x#0>(byte) $ff) goto position_sprite::@1
  to:position_sprite::@2
position_sprite::@2: scope:[position_sprite]  from position_sprite
  [18] (byte~) position_sprite::$4 ← (byte) 1 << (byte) position_sprite::spriteno#0
  [19] (byte~) position_sprite::$5 ← (byte~) position_sprite::$4 ^ (byte) $ff
  [20] *((const byte*) SPRITES_XMSB#0) ← *((const byte*) SPRITES_XMSB#0) & (byte~) position_sprite::$5
  to:position_sprite::@return
position_sprite::@return: scope:[position_sprite]  from position_sprite::@1 position_sprite::@2
  [21] return 
  to:@return
position_sprite::@1: scope:[position_sprite]  from position_sprite
  [22] (byte~) position_sprite::$6 ← (byte) 1 << (byte) position_sprite::spriteno#0
  [23] *((const byte*) SPRITES_XMSB#0) ← *((const byte*) SPRITES_XMSB#0) | (byte~) position_sprite::$6
  to:position_sprite::@return
