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1、各位此为单片机原理及应用雷娟版冶金工业出版社课后3-6章课后编程题的答案。请原谅网上没有题目信息的电子档，只能以照片的方式显示题目信息，希望能给你带来方便。此书封面如下：第三章3-4：ORG 0000HMAIN:MOV SP,#60HMOV 30H,#24HMOV 31H,#10HPUSH 30HPUSH 31HPOP DPL POP DPHMOV 30H,#00HMOV 31H,#0FFHEND3-5ORG 0000HMAIN:MOV A,#0F5HMOV 30H,#9BHMOV R0,#30HADD A,#28HADDC A,R0END3-6ORG 0000HMAIN:MOV A,#0F5
2、HMOV 30H,#9BHMOV R0,#30HADD A,#28HADDC A,R0END3-73-8方法一：ORG 0000HMAIN:MOV DPH,#26H MOV DPL,#47H MOV A,DPHMOV B,#10HDIV ABMOV 40H,AMOV 41H,B MOV A,DPLMOV B,#10HDIV ABMOV 42H,AMOV 43H,BEND方法二：ORG 0000HMAIN: MOV DPH,#26H MOV DPL,#47HMOVA,DPLANL A,#0FHMOV 43H,AMOVA,DPLSWAP AANL A,#0FHMOV42H,AMOV A,DPHAN
3、L A,#0FHMOV 41H,AMOVA,DPHSWAP AANL A,#0FHMOV40H,AEND3-9方法一： ORG 0000HMAIN:MOV A,#0A4H MOV B,#04H MUL ABEND方法二：ORG 0000HMAIN:MOV A,#0A4HCLR CADD A,ACCMOV R0,AMOV A,#0ADDC A,#0MOV R1,AMOV A,R0ADD A,ACCMOV R0,AMOV A,R1ADDC A,ACCMOV B,AMOV A,R0END方法三：ORG 0000HMAIN:MOV A,#0FFH RLC A;MOV R0,A;MOV A,#0;ADD
4、C A,#0;MOV R1,A;MOV A,R0 JNC WUJIN1MOV R1,#1CLR CWUJIN1: INC R1RLC AJNC WUJIN2INC R1WUJIN2:MOV 20H,R1MOV B,20H ;MOV R0,A;MOV A,R1;ADDC A,ACC;MOV B,A;MOV A,R0END3-10ORG 0000HMAIN:MOV R0,#30HMOV R1,#20MOV DPTR,#3000HLOOP: MOV A,R0MOVX DPTR,AINC R0INC DPTRDJNZ R1,LOOPEND3-11 ORG 0000HMAIN:MOV R3,#15CJN
5、E R3,#15,JIXUJIXU:JNC LOOPSJMP $LOOP:INC R3END3-12 ORG 0000HMAIN:MOV R0,#00HCJNE R0,#0,BUDENGMOV R1,#0SJMP $BUDENG: MOV R1,#0FFHEND3-13 ORG 0000HMAIN:MOV DPTR,#2010HMOVX A,DPTRADD A,20HINC DPTRMOVX DPTR,AEND3-143-15第四章4-1ORG 0000HMAIN:MOV A,60HXRL A,#0FHANL A,#0FHMOV 60H,ASJMP $END4-2ORG 0000HMAIN:
6、MOV DPTR,#3000HMOVX A,DPTRMOV R1,AMOV DPTR,#3100HMOVX A,DPTRCLR CADD A,R1MOV 50H,AMOV A,#0ADDC A,#0MOV 51H,ASJMP $END4-3 ORG 0000HMAIN: MOV A,R0CLR CSUBB A,R1JNC DA0MOV A,R1MOV R2,ASJMP OVERDA0:MOV A,R0MOV R2,AOVER: SJMP $END4-4ORG 0000HMAIN:MOV A,20HANL A,#80HJZ ZHENGMOV A,20HADD A,#20SJMP CUNZHENG
7、:MOV A,20HCJNE A,#12,JIXUJIXU:JNC DA12MOV B,#4MUL ABSJMP CUNDA12:ADD A,ACCSUBB A,#10SJMP CUNCUN:MOV 20H,A END4-5ORG 0000HMAIN: MOV R0,#10HMOV DPTR,#0000HMOV R2,#49LOOP:MOVX A,DPTRMOV R0,AINC R0INC DPTRDJNZ R2,LOOPSJMP $END4-6ORG 0000H ;参照例4-14MAIN:MOV R0,#30H MOV R2,#33MOV 51H,#00HLOOP:MOV A,R0ANL A
8、,#80HJNZ NEXTMOV A,R0ADD A,51HMOV 51H,ANEXT:INC R0DEC R2CJNE R2,#0,LOOPSJMP $END4-7ORG 0000H;参照例4-15MAIN: MOV R2,#00HMOV R0,#5FHLOOP: INC R2INCR0CJNE R0,#24H,LOOPMOV A,R2SJMP $END4-84-9ORG 0000HMAIN:MOV R0,#20HMOV R2,#11MOV R3,#00HMOV R4,#00HLOOP: MOV A,R0CJNE A,#88H,NEXTMOV A,31HCPL AMOV 31H,ASJMP
9、OVERNEXT: CLR CADD A,R3MOV R3,AMOV A,#0ADDC A,R4MOV R4,AINC R0DJNZ R2,LOOPACALL PINGJUN ;求得的平均值放在A中MOV 31H,AOVER:SJMP $PINGJUN: ;参照实验讲义双字节除法END4-10ORG 0000HLOOP: MOV P1,#0FHCALL YANSHICALL YANSHI ;MOV R0,#2;YAN2:CALL YANSHI;DJNZ R0,YAN2MOV P1,#0F0HMOV R1,#2YAN22:CALL YANSHIDJNZ R1,YAN22SJMP LOOPYANS
10、HI:MOV R3,#10D1:MOV R4,#200D2: MOV R5,#250DJNZR5,$DJNZR4,D2DJNZR3,D1RETEND 4-11ORG 0000H ;题目有问题，A放不下立方结果MAIN:4-12ORG 0000HMAIN:MOV C,P1.2ANL C,/P1.1MOV F0,CMOV C,P1.1ANL C,/P1.2ORL C,F0MOVP1.0,CEND4-134-14ORG 0000HMOV R1,#250MOV B,R1CJNE A,B,DELAYCMP A,R1DELAY:NOPDJNZ R1,DELAYEND4-15 ORG 0000H LJMP
11、MAIN ORG 0100HMAIN: ACALL YAN SJMP $ORG 0205HYAN: MOV P1,#0FFHRETEND第五章5-7ORG 0000HAJMP MAINORG 0013HAJMP INT00ORG 0030HMAIN:SETB EASETB EX1SETB IT1MOV P1,#0FFHSJMP $ORG 0100HINT00: MOV A,P1 CPL AMOV P1,ARETIEND5-8ORG 0000HAJMP MAINORG 0003HAJMP INT00ORG 0030HMAIN: SETB EASETB EX0CLRIT0MOV P0,#0FFHSJMP $ORG 0100HINT00: MOV P0,#00HYANSHI:MOV R3,#30D1:MOV R4,#200D2: MOV R5,#250DJNZR5,$DJNZR4,D2DJNZR3,D1MOV P0,#0FFHRETIEND 5-9ORG 0000HAJMP MAINORG 0013HAJMP INT10ORG 0030HMAIN:MOV P0,#0FFHSETB EASETB EX1CLR IT1MOV P1,#0FFHSJMP $ORG 0100H
