dongtaixianshi.asm

来自「此代码为89c51的汇编语言」· 汇编 代码 · 共 28 行

main:   mov  r0,#79h        ;设79H-7C为显示缓冲器
        mov  r3,#1
        mov  a,#0efh
gg:	mov  r4,a
	mov  p2,a       
        mov  a,@r0
        add  a,#(aa-ee)
        movc a,@a+pc
ee:     mov  p0,a         
        acall bb
        inc  r0 
        MOV    A,R3
        JB     ACC.3,ff
	RL     A
	MOV    R3,A
	mov    a,r4
	rl     a
        SJMP   gg
ff:    ret
aa:      DB     0EDH,28H,0CBH,0ABH,2EH      ;0,1,2,3,4 
         DB	0A7H,0E7H,29H,0EFH,0AFH	    ;5,6,7,8,9
bb:      MOV    R7,#02H	                    ;延时子程序
cc:      MOV    R6,#0FFH
dd:      DJNZ   R6,dd
         DJNZ   R7,cc
		 RET 
end