ORG 0000H LJMP MAIN ORG 0100H MAIN: MOV SCON,#80H MOV PCON,#00H MOV DPTR, #TAB MOV A, #00H MOV R0, #00H LOOP: MOVC A, @A+DPTR MOV C,PSW.0 MOV TB8,C MOV SBUF,A INC R0 MOV A, R0 CJNE R0, #5H, LOOP WAIT: JBC TI,MAIN SJMP WAIT TAB: DB 'ABCDEFGH' END 在串口调试软件上显示如下: 80H80H80H80H80H80H 显示结果总是不正确为什么啊????
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