【正文】 KEYA: CALL LP1 ；按鍵A處理子程序 MOV AL,0AH MOV [DI+4],AL LEA BX,TABL XLAT TABL MOV [SI+4],AL CALL DISP RET；KEY3: CALL LP1 ；按鍵3處理子程序 MOV AL,03H MOV [DI+4],AL LEA BX,TABL XLAT TABL MOV [SI+4],AL CALL DISP RET；KEY7: CALL LP1 ；按鍵7處理子程序 MOV AL,07H MOV [DI+4],AL LEA BX,TABL XLAT TABL MOV [SI+4],AL CALL DISP RET；KEYC: CALL LP1 ；按鍵C處理子程序 MOV AL,0CH MOV [DI+4],AL LEA BX,TABL XLAT TABL MOV [SI+4],AL CALL DISP RET；KEYF: CALL LP1 ；按鍵F處理子程序 MOV AL,0FH MOV [DI+4],AL LEA BX,TABL XLAT TABL MOV [SI+4],AL CALL DISP RET；KEY0: CALL LP1 ；按鍵0處理子程序 MOV AL,00H MOV [DI+4],AL LEA BX,TABL XLAT TABL MOV [SI+4],AL CALL DISP RET ；LP1: MOV CX,0004H ；數(shù)據(jù)移位保存子程序（前移四位） MOV SI,OFFSET VAR2 MOV DI,OFFSET VAR3LP2: MOV AL,[SI+3] MOV [SI+4],AL MOV AL,[DI+3] MOV [DI+4],AL DEC SI DEC DI LOOP LP2 RET；DISP: MOV SI,OFFSET VAR1 ；顯示子程序 MOV DI,OFFSET VAR2 MOV CX,0004HDIR: MOV AL,[SI] OUT 60H,AL MOV AL,[DI] OUT 61H,AL CALL TIME INC SI INC DI LOOP DIR RET；TIME: PUSH AX ；延時(shí)程序 PUSH CX MOV CX,0002HTIME1: MOV AX,0300HTIME2: DEC AX JNZ TIME2 LOOP TIME1 POP CX POP AX RET；STTK: CALL DISP ；放鍵測(cè)試程序 MOV AL,00H OUT 60H,AL IN AL,62H AND AL,60H CMP AL,60H JNZ STTK JMP STTCODE ENDS END START ：實(shí)現(xiàn)：a)定義鍵盤(pán)按鍵，5個(gè)為數(shù)字鍵7，7個(gè)功能鍵：減號(hào)—，除號(hào)247。一、源程序…………………………………………………………………………51．程序一………………………………………………………………………5 題目……………………………………………………………………5 源程序…………………………………………………………………52．程序二………………………………………………………………………6……………………………………………………………………6 源程序…………………………………………………………………63．程序三………………………………………………………………………10……………………………………………………………………10 源程序…………………………………………………………………10二、心得與體會(huì)……………………………………………………………………19三、參考文獻(xiàn)………………………………………………………………………19：把存儲(chǔ)器單元中的0AH，02H，0FH,09H從四位七段LED數(shù)碼管同時(shí)顯示出來(lái)，要求做成循環(huán)程序，并使用XLAT來(lái)譯碼。等號(hào)＝；b)可進(jìn)行三位8進(jìn)制減法運(yùn)算；c)可進(jìn)行兩位10進(jìn)制除法運(yùn)算。，編寫(xiě)程序完成各個(gè)程序設(shè)計(jì)要求，并完成調(diào)試。：STACK SEG