標題: 菜鳥問題 [打印本頁]

作者: night419420    時間: 2010-3-17 14:04
標題: 菜鳥問題
小弟學習單片機,根據(jù)乘法指令編寫了一個軟件,但是在Keil軟件中調(diào)試不出來,請教高手指點錯誤。 ORG 0000H LJMP MAIN ORG 0100H MAIN: MOV R0, #11001101B CLR A MOV A, @R0 MOV B, #64H MUL AB MOV R4, A MOV R3, B INC R0 MOV R0, #10101011B MOV A, @R0 MOV B, #64H MUL AB ADD A, R3 MOV R3, A MOV A, B ADDC A, #00H MOV R2, A END




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