@begin: scope:[]  from
  [0] phi() [ ] ( )
  to:@1
@1: scope:[]  from @begin
  [1] phi() [ ] ( )
  [2] call main param-assignment [ ] ( )
  to:@end
@end: scope:[]  from @1
  [3] phi() [ ] ( )
main: scope:[main]  from @1
  [4] *((byte*)(const word) main::w2#0) ← *((const byte[]) main::bs#0+(byte/signed byte/word/signed word/dword/signed dword) 1) [ ] ( main:2 [ ] )
  [5] if(*((const byte*) main::pos#0)!=(byte) 'm') goto main::@1 [ ] ( main:2 [ ] )
  to:main::@3
main::@3: scope:[main]  from main
  [6] *((const byte*) main::bgcol#0) ← (byte/signed byte/word/signed word/dword/signed dword) 5 [ ] ( main:2 [ ] )
  to:main::@return
main::@return: scope:[main]  from main::@1 main::@3
  [7] return  [ ] ( main:2 [ ] )
  to:@return
main::@1: scope:[main]  from main
  [8] *((const byte*) main::bgcol#0) ← (byte/signed byte/word/signed word/dword/signed dword) 2 [ ] ( main:2 [ ] )
  to:main::@return
