SF                154 src/exec.c             sys->cpu->fr += SF;
SF                264 src/exec.c             sys->cpu->fr += SF;
SF                323 src/exec.c             sys->cpu->fr += SF;
SF                404 src/exec.c             sys->cpu->fr = SF;
SF                428 src/exec.c             sys->cpu->fr = SF;
SF                468 src/exec.c             sys->cpu->fr += SF;
SF                500 src/exec.c             sys->cpu->fr += SF;
SF                526 src/exec.c             sys->cpu->fr += SF;
SF                552 src/exec.c             sys->cpu->fr += SF;
SF                564 src/exec.c         if((sys->cpu->fr & (SF | ZF)) == 0) {
SF                574 src/exec.c         if((sys->cpu->fr & SF) > 0) {