求51单片机16位跑马灯,输出为p1和p2端,需要程序实现一三种为分别三颗...答:A LCALL DELAY DJNZ R2,LOOP MOV LED1,#7FH MOV LED2,#0FFH MOV R2,#16SETB CLOOP1: MOV P1,LED1 MOV P2,LED2 MOV A,LED1 RRC A MOV LED1,A MOV A,LED2 RRC A MOV LED2,A LCALL DELAY DJNZ R2,LOOP1 MOV LED1,#0FEH ...
51单片机汇编语言编写一个跑马灯的程序,初学者做实验用,具体要求如下...答:程序1:ORG 0000H LJMP MAIN ORG 0030H MAIN:MOV SP,#5FH LOOP:MOV A,P2 MOV B,A MOV P0,A MOV P1,#0FFH LOOP1:LCALL DELAY MOV C,P1.7 MOV A,P0 RLC A MOV P0,A MOV A,P1 RLC A MOV P1,A MOV A,P2 CJNE A,B,LOOP SJMP LOOP1 DELAY:MOV R2,#60 DELAY1:MOV R3,#...