计算机原理 汇编编个小程序 第一题data segmentmsg_error db\"error。data endscode segmentmain proc farassume cs:code,ds:datastart:push dssub ax,axpush axmov ax,datamov ds,axagain:mov ah,01Hint 21Hcall crlfcmp al,40Hjl errorcmp al,5AHjg errorjmp outputerror:lea dx,msg_errormov ah,09Hint 21Hretoutput:mov dl,alADD dl,20Hmov ah,02Hint 21Hcall crlfjmp againretcrlf proc nearpush axmov dl,0DHmov ah,02Hint 21Hmov dl,0AHmov ah,02Hint 21Hpop axretcrlf endpmain endpcode endsend start
微机原理 汇编语言的小问题 也得告诉初值才行…来…CMP AL,30H;al与30h比较源JC L1;小百于就跳CMP AL,3AH;al与3ah比较JNC L1;不小于就跳AND AL,0FH;屏度蔽高8位RET;返回问L1:MOV AL,0FFH;给al赋值0ffhRET;这是个判断al是否答是数字0-9.
用51单片机控制ISD1820语音芯片的原理图及c程序或汇编程序#include<;reg52.h>;code unsigned char seg7code[11]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x40};。