grep code\ \' source/core.asm | sed 's/code/fdef/' | grep -v mfdef\ \' 
grep code\ \' source/rf.asm | sed 's/code/fdef/' | grep -v mfdef\ \'
grep var\ \' source/core.asm | sed 's/var/vdef/'
grep var\ \' source/rf.asm | sed 's/var/vdef/'
grep mcode\ \' source/core.asm | sed 's/mcode/mdef/'
grep mcode\ \' source/rf.asm | sed 's/mcode/mdef/'
grep self\ \' source/core.asm | sed 's/self/sdef/'
