SUBB A,ACC

r6,a ,好像跟c無關(guān)哦程序如下; function main (begin); source line # 60000 af00 mov r7,c0002 ef mov a,r70003 33 rlc a0004 95e0 subb a,acc0006 fe mov r6,a0007 ef mov a,r70008 f4 cpl a0009 4e orl a,r6000a 7002 jnz ?c0001000c f500 mov c,a000e ?c0001:; source line # 7000e e500 mov a,c0010 b4ff03 cjne a,#0ffh,?c00020013 750001 mov c,#01h0016; source line # 80016 e500 mov a,c0018 2405 add a,#05h001a ff mov r7,a001b 33 rlc a001c 95e0 subb a,acc001e f500 mov i,a0020 8f00 mov i+01h,r7; source line # 90022 e500 mov a,c2002