demo.asm

51单片机基础篇 对于有一定基础的人看看 包含书中所以的源代码

;THIS IS A TEST TO ASM.EXE PROGRAM 1994.9.17 BY C.Y.L
;-------------------------
dela1           MACRO TIME        ;USE DELAY MACRO IN YOUR PROGRAM
                MOV R0,#TIME
                DJNZ  R0,$ 
                endm 
;-------------------------
                ORG 0H    
                JMP {BEGIN}       ;hello the world
                ORG 100h
                MOV A,#  12
{BEGIN}:        MOV A,#11001B
                SETB D7H 
                setb p1.2      
                setb 1101b
                mov r0,<  $
                MOV A,# < 65525
~[AGAIN]:       mOV a,acc
                RL A
                dela1 1 
                dela1 2
                jmp ~[AGAIN]
                org 40h
d1:             dw 1223h,23,34,45,'32',"12","d3",14,0
                end