@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
  [5] *((const byte*) screen#0+(byte/signed byte/word/signed word/dword/signed dword) 39) ← (byte/signed byte/word/signed word/dword/signed dword) 0
  [6] *((const byte*) screen#0+(byte/signed byte/word/signed word/dword/signed dword) 38) ← (byte/signed byte/word/signed word/dword/signed dword) 0
  to:main::@1_1
main::@1_1: scope:[main]  from main::@1
  [7] *((byte/signed byte/word/signed word/dword/signed dword) 40*(byte/signed byte/word/signed word/dword/signed dword) 1+(const byte*) screen#0+(byte/signed byte/word/signed word/dword/signed dword) 39) ← (byte/signed byte/word/signed word/dword/signed dword) 0
  [8] *((const byte*) screen#0+(byte/signed byte/word/signed word/dword/signed dword) 38+(byte/signed byte/word/signed word/dword/signed dword) 40*(byte/signed byte/word/signed word/dword/signed dword) 1) ← (byte/signed byte/word/signed word/dword/signed dword) 0
  to:main::@return
main::@return: scope:[main]  from main::@1_1
  [9] return 
  to:@return
