怎么用AT89S51单片机汇编语言制作一个十进制加法计算器?答:CJNE A,#0FFH,LOOP1 SJMP LOOP LOOP1:CJNE A,#11,LOOP2;“=”MOV A,33H MOV B,#10 MUL AB ADD A,34H MOV D_DAT,A LCALL DEALDAT LCALL HB2 MOV A,R5 ANL A,#0FH MOV 34H,A MOV A,R5 SWAP A ANL A,#0FH MOV 33H,A MOV A,R4 ANL A,#0FH MOV 36H,A MOV A,R4 S...
汇编语言程序答:ORG 0000H AJMP MAIN ORG 0030H MAIN: MOV SCON,#00H CLR ES MOV DPTR,#TAB LOOP: MOVX A,@DPTR MOV SBUF,A WAIT: JNB TI,WAIT SETB P1.0 ACALL DELAY CLR TI INC DPTR MOV A,82 CJNE A,#10H,LOOP AJMP MAIN DELAY: MOV R7,#250 D1: MOV R6,#200 DJNZ R6,DJNZ R7,D1 ...
单片机中怎样用汇编语言在数码管上显示1、2、3、4要求用定时计数器中...答:S CLR PJSBZY MOV A, R0 MOVC A,@A+DPTR MOV SBUF, A INC R0 CJNE R0, #0AH, MAIN2 AJMP MAIN1 TAB: DB 3FH, 06H, 5BH, 4FH, 66H, 6DH, 7DH, 07H, 7FH, 6FH DB 77H, 7CH, 39H, 5EH, 79H, 71H END ...