單片機(jī)實(shí)驗(yàn)報(bào)告-文庫(kù)吧資料
2025-03-29 05:53本頁(yè)面
【正文】 0ABH MOV A,30H MOV B,100D DIV AB MOV 31H,A MOV A,B MOV B,10D DIV AB MOV 32H,A MOV 33H,BWAIT: SJMP WAIT END實(shí)驗(yàn)結(jié)果：假設(shè)(30H)=0ABH,則(31H、32H、33H)=(0001)。實(shí)驗(yàn)說(shuō)明：實(shí)驗(yàn)程序： ORG 0H LJMP MAIN ORG 0100HMAIN: MOV R2,04H MOV R3,03H MOV R4,02H MOV R5,01H MOV R6,0H MOV R7,0H MOV R0,16D/*JISHU*/ CLR CLOOP: MOV A,R5 RLC A MOV R5,A MOV A,R4 RLC A MOV R4,A MOV A,R7 RLC A MOV R7,A MOV A,R6 RLC A MOV R6,A MOV 26H,R6 MOV 27H,R7 MOV A,R2 CJNE A,26H,NEXT1NEXT1: JNC NEXT2 MOV A,R3 CJNE A,27H,NEXT3NEXT3: JNC NEXT2 CLR C MOV A,R7 SUBB A,R3 MOV R7,A MOV A,R6 SUBB A,R2 MOV R2,A SETB CNEXT2: DJNZ R0,LOOPWAIT: SJMP WAIT END實(shí)驗(yàn)結(jié)果：當(dāng)(R4R5)=21H,(R2R3)=43H時(shí)，運(yùn)算結(jié)果為(R4R5R6R7)=08A3H。乘數(shù)位于R2R3，被乘數(shù)位于R4R5。實(shí)驗(yàn)程序流程圖：實(shí)驗(yàn)程序：ORG 0000H LJMP MAIN ORG 0100HMAIN: MOV SP,70H MOV R0,30H MOV R1,31H MOV R0,0 MOV R1,0 MOV B,1 MOV R7,100L1: MOV A,R1 ADD A,B MOV R1,A MOV A,R0 ADDC A,0 MOV R0,A INC B DJNZ R7,L1END實(shí)驗(yàn)結(jié)果：（30H）=13H,(31H)=0BAH，即結(jié)果為13BAH=5050D。程序段如下： //奇校驗(yàn)設(shè)置最高位 MOV R0,30H MOV R7,30H MOV R1,90HLOOP3: MOV A,R0 INC R0
范文總結(jié)相關(guān)推薦
鄂ICP備17016276號(hào)-1