32位微機原理與接口技術(shù)課程教學(xué)大綱-資料下載頁
2024-10-21 04:24本頁面
【正文】 (A)=,(R6)=MOVA,@R0；(R0)=(A)=MOV40H,A；(A)=(40H)=MOV30H,40H；(30H)=(40H)=MOVR1,40H；(R1)=MOV@R1,0AAH；(R1)=(40H)=MOVSP,60H；(SP)=PUSHACC；(SP)=(61H)=PUSH30H。(SP)=(62H)=MOVA,0FFH；(SP)=(A)=MOV30H,30H；(SP)=(30H)=POPACC；(SP)=(A)=POP30H；(SP)=(30H)=ADDA,30H；(30H)=(A)=Cy=SUBBA,10；(A)=Cy=MOVR4,00100100B；(R4)=HMOVA,39H；(A)=ADDA,R4；(A)=(R4=)DAA；(A)=Cy=MOV28H,55H；(28H)=Cy=MOVC,40H；(PSW)=Cy=MOV26H,00H；(26H)=Cy=MOV30H,C；(30H)=()=SJMP$j點擊project，選擇下拉式菜單中的Newproject；k選擇所要的單片機，這里我們選擇常用的Ateml公司的AT89C51；l新建一個File，輸入源程序；；n鼠標在屏幕左邊的SourceGroup1文件夾圖標上右擊彈出菜單，在這里可以做在項目中增加減少文件等操作。選“AddFiletoGroup‘SourceGroup1’”彈出文件窗口，選擇剛剛保存的文件；o對程序進行編譯運行；使程序一得：ORG0000HAJMPMAINORG0030HMAIN:MOVR0,30H。(R0)=0x30(00H)=0x0000MOVA,40H。(A)=0x40MOVR6,A。(A)=0x40,(R6)=0x40MOVA,@R0。(R0)=0x30(A)=0x16MOV40H,A。(A)=0x16(40H)=0x0040MOV30H,40H。(30H)=0x0030(40H)=0x0040MOVR1,40H。(R1)=0x40MOV@R1,0AAH。(R1)=0x40(40H)=0x0040MOVSP,60H。(SP)=0x60PUSHACC。(SP)=0x61(61H)=0x0061PUSH30H。(SP)=0x62(62H)=0x0062MOVA,0FFH。(SP)=0x62(A)=0xffMOV30H,30H。(SP)=0x62(30H)=0x0030POPACC。(SP)=0x61(A)=0x16POP30H。(SP)=0x60(30H)=0x0030ADDA,30H。(30H)=0x0030(A)=0x2aCy=0SUBBA,10。(A)=0x20Cy=0MOVR4,00100100B。(R4)=0x24HMOVA,39H。(A)=0x39ADDA,R4。(A)=0x5d(R4=)0x24DAA。(A)=0x63Cy=0MOV28H,55H。(28H)=0x0028Cy=0MOVC,40H。(PSW)=0x80Cy=MOV26H,00H。(26H)=0x0026Cy=MOV30H,C。(30H)=0x0030()=0SJMP$源程序2設(shè)(30H)=4,(31H)=1,(32H)=3,(33H)=5,(34H)=2,(35H)=6ORG0000HAJMPMAINORG0030HMAIN:MOVR0,30H；30H→R0MOVR2,6；6→R2SORT:MOVA,R0。30H→AMOVR1,A；30H→R1MOVA,R2；6→AMOVR5,A；6→R5CLRF0；狀態(tài)標志位清零DECR5；寄存器R5減一MOVA,@R1；R1→ALOOP:MOVR3,A；A→R3INCR1；寄存器R1增1CLRC；進位標志位清零MOVA,@R1；31H→ASUBBA,R3；累加器內(nèi)容減去寄存器內(nèi)容JNCLOOP1；僅為標志位為1，則進行LOOP1。以下代碼完成數(shù)據(jù)交換SETBF0；狀態(tài)標志位置1MOVA,@R1；31H→AXCHA,R3；將A于與R3的數(shù)據(jù)交換MOV@R1,A；將4賦值給寄存器R1(31H)DECR1；寄存器減一MOVA,R3；1→AMOV@R1,A；將1賦值給寄存器R1(30H)INCR1。寄存器R1增一LOOP1:MOVA,@R1；4→ADJNZR5,LOOP；寄存器R5減一，不為零則回到LOOPJBF0,SORT；狀態(tài)標志位為零，則回到SORTSJMP$
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