DELAY: PUSH 02H LP1: PUSH 02H LP2: PUSH 02H LP3: DJNZ R2,LP3 POP 02H DJNZ R2,LP2 POP 02H DJNZ R2,LP1 POP 02HDJNZ R2,DELAY RET
延时为什么要用到压栈和出栈呢 ORG 0000HDELAY:MOV R1,#25H DL1:MOV R2,#25H DL2:DJNZ R2,DL2 DJNZ R1,DL1 RET这个也可以啊