分支程序設(shè)計(jì)實(shí)驗(yàn)實(shí)驗(yàn)報(bào)告-在線瀏覽
2024-09-11 18:51本頁(yè)面
【正文】 NO YESR2+1,輸出P0R2=24? NO YES清零結(jié)束開始加減計(jì)數(shù)器流程圖：P0, P1, P20=0?執(zhí)行—1計(jì)數(shù)執(zhí)行+1計(jì)數(shù) YESR0=0?高兩位R11，轉(zhuǎn)換為十進(jìn)制，輸出P0R099R0=0?R199低位R0—1，轉(zhuǎn)換為十進(jìn)制，輸出P1P0, P199P0, P10R10R00低兩位R0+1，轉(zhuǎn)換為十進(jìn)制，輸出P1R0=99? NO NO YES YES高兩位R1+1，轉(zhuǎn)換為十進(jìn)制，輸出P0R0=99? YES YES NO NO清零結(jié)束五、源代碼：1）ORG 0000HMOV A,50HMOV DPTR,2000HMOVX DPTR,A 。從片外RAM中取數(shù)XMOV R7,ACLR CMOV R0,40H 。對(duì)X進(jìn)行取反MOV DPTR,2001HMOVX DPTR,A 。除法子程序 MOV A,R7 DIV AB MOV DPTR,2001H MOVX DPTR,A LJMP STOPMUTI:MOV A,R7 。低位存入片外RAM中2001H MOVX DPTR,A INC DPTR MOV A,B MOVX DPTR,A 。R0,R1,R2置0MOV R1,0MOV R2,0MOV P0,0。秒鐘計(jì)數(shù) MOV A,R0
環(huán)評(píng)公示相關(guān)推薦
鄂ICP備17016276號(hào)-1