哈工程單片機實驗一單片機數據區(qū)實驗(編輯修改稿)
2025-09-13 09:13 本頁面
【文章內容簡介】 cjne r3, 0ffh, Goon2 inc r2Goon2: inc r3 djnz r7, Loop ljmp $ end修改一：目的地址改為2000H，傳送字節(jié)數為30H。（思考題二和三）mov r0, 30h mov r1, 00h mov r2, 20h mov r3, 00h mov r7, 30hLoop: mov dph, r0 mov dpl, r1 movx a, @dptr mov dph, r2 mov dpl, r3 movx @dptr, a cjne r1, 0ffh, Goon1 inc r0Goon1: inc r1 cjne r3, 0ffh, Goon2 inc r2Goon2: inc r3 djnz r7, Loop ljmp $ end修改二：源地址為0FFH，傳送字節(jié)數為300H。（思考題一和三）mov r0, 30h mov r1, 00h mov r2, 50h mov r3, 00h mov r7, 00h mov r6, 03hLoop: mov dp
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