OF                255 src/exec.c             sys->cpu->fr += OF;
OF                305 src/exec.c                 sys->cpu->fr += OF;
OF                309 src/exec.c                 sys->cpu->fr += OF;
OF                460 src/exec.c             sys->cpu->fr += OF;
OF                492 src/exec.c             sys->cpu->fr += OF;
OF                518 src/exec.c             sys->cpu->fr += OF;
OF                544 src/exec.c             sys->cpu->fr += OF;
OF                600 src/exec.c         if((sys->cpu->fr & OF) > 0) {