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1、.模拟计算器十六进制整数加减输入及显示课程设计百度文库搜索“模拟计算器数字输入及显示课程设计”并将程序清单中的程序改成以下程序：ORG0000HLJMPSTARTORG0030HSTART:MOV30H,#00HMOV38H,#00HMOV39H,#00HMOV3AH,#00HMOV3BH,#00HMOV3CH,#00HMOV3DH,#00HMOV3EH,#00HMOV3FH,#00HMOV40H,#00HMOV41H,#00HMOV42H,#00HMOV43H,#00HMOV44H,#00HMOV50H,#0F0HMOV51H
2、,#0E8HMOV52H,#0D8HMOV53H,#0B8HMOV54H,#78HLOOP3:ACALLDISPLAYMOVR0,#50HMOVR7,#05H...LOOP1:MOVA,@R0MOVP3,AMOVA,#0FFHMOVP1,AMOVA,P1ANLA,#0FHMOVR5,ACJNEA,#0FH,LOOP2INCR0DJNZR7,LOOP1JMPLOOP3LOOP2:MOVR4,#0A0HTFF:ACALLDELAY1mSDJNZR4,TFFSS:MOVA,#0FFHMOVP1,AMOVA,P1ANLA,#0FHCJN
3、EA,#0FH,SSMOVA,42HCJNEA,#01H,NEXT1MOV40H,#00HMOV42H,#00HNEXT1:CJNE@R0,#0F0H,ROW2KEYMOVA,R5CJNEA,#0EH,KEY2MOVA,40HCJNEA,#08H,TW1ACALLWARNNINGJMPLOOP3TW1:INC40HMOVA,#00HMOV43H,AACALLMOVEACALLCHANGE11JMPLOOP3KEY2:CJNEA,#0DH,KEY3MOVA,40HCJNEA,#08H,TW2ACALLWARNNINGJMPLOOP
4、3TW2:INC40HMOVA,#01HMOV43H,A...ACALLMOVEACALLCHANGE11JMPLOOP3KEY3:CJNEA,#0BH,KEY4MOVA,40HCJNEA,#08H,TW3ACALLWARNNINGJMPLOOP3TW3:MOVA,#02HINC40HMOV43H,AACALLMOVEACALLCHANGE11JMPLOOP3KEY4:MOVA,40HCJNEA,#08H,TW4ACALLWARNNINGJMPLOOP3TW4:MOVA,#03HINC40HMOV43H,AACALLMOVEAC
5、ALLCHANGE11JMPLOOP3ROW2KEY:CJNE@R0,#0E8H,ROW3KEYMOVA,R5CJNEA,#0EH,KEY5MOVA,40HCJNEA,#08H,TW5ACALLWARNNINGJMPLOOP3TW5:INC40HMOVA,#04HMOV43H,AACALLMOVEACALLCHANGE11JMPLOOP3KEY5:CJNEA,#0DH,KEY6MOVA,40HCJNEA,#08H,TW6ACALLWARNNINGJMPLOOP3TW6:MOVA,#05HINC40H...MOV43H,AACAL
6、LMOVEACALLCHANGE11JMPLOOP3KEY6:CJNEA,#0BH,KEY7MOVA,40HCJNEA,#08H,TW7ACALLWARNNINGJMPLOOP3TW7:MOVA,#06HINC40HMOV43H,AACALLMOVEACALLCHANGE11JMPLOOP3KEY7:MOVA,40HCJNEA,#08H,TW8ACALLWARNNINGJMPLOOP3TW8:MOVA,#07HINC40HMOV43H,AACALLMOVEACALLCHANGE11JMPLOOP3ROW3KEY:CJNE@R0,
7、#0D8H,ROW4KEYMOVA,R5CJNEA,#0EH,KEY8MOVA,40HCJNEA,#08H,TW9ACALLWARNNINGJMPLOOP3TW9:MOVA,#08HINC40HMOV43H,AACALLMOVEACALLCHANGE11JMPLOOP3KEY8:CJNEA,#0DH,KEY9MOVA,40HCJNEA,#08H,TW10ACALLWARNNINGJMPLOOP3TW10:MOVA,#09H...INC40HMOV43H,AACALLMOVEACALLCHANGE11JMPLOOP3KEY9:CJ
8、NEA,#0BH,KEY10MOVA,40HCJNEA,#08H,TW11ACALLWARNNINGJMPLOOP3TW11:MOVA,#0AHINC40HMOV43H,AACALLMOVEACALLCHANGE11JMPLOOP3KEY10:MOVA,40HC
