北京理工大學(xué)匯編實(shí)驗(yàn)二報(bào)告-wenkub
2023-04-22 20:42:53 本頁(yè)面
【正文】 否 是上次運(yùn)算是否有進(jìn)位調(diào)整 是 否相加結(jié)束，進(jìn)行相減循環(huán) 進(jìn)行十進(jìn)制運(yùn)算，結(jié)果存入FORTH中結(jié)束（2）程序代碼：DATAS SEGMENT FIRST DB 45H,82H,96H,57H SECOND DB 12H,46H,83H,45H THIRD DB 8 DUP(?) FORTH DB 8 DUP(?) DATAS ENDS STACKS SEGMENTSTACKS ENDS CODES SEGMENT ASSUME CS:CODES,DS:DATAS,SS:STACKS START: MOV AX,DATAS MOV DS,AX MOV AX,0 MOV BX,4 MOV CX,4L: MOV AL,[BX+3] ADC AL,[BX1] MOV [BX+7],AL DEC BX LOOP L MOV BX,4 MOV CX,4M: MOV AL,[BX1] SBB AL,[BX+3] MOV [BX+11],AL DEC BX LOOP M MOV BX,4 MOV CX,4N: MOV AL,[BX+3] ADC AL,[BX1] DAA MOV [BX+15],AL DEC BX LOOP N MOV BX,4 MOV CX,4O: MOV AL,[BX1] SBB AL,[BX+3] DAS MOV [BX+19],AL DEC BX LOOP O MOV AH,4CH INT 21H CODES ENDS END START （3）運(yùn)行結(jié)果 16 進(jìn)制結(jié)果10 進(jìn)制結(jié)果FIRST +SECOND57 C9 19 9C58
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