单片机汇编语言答:看不清图。不知道你是共阴还是共阳。数码管上面一排是段选,下面一排是位选 给你共阴极字形码:0-9-F0x3f,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71你定义数组放上面的字形码,比如:然后上面连的段选口给对应的字形码,比如前三个数码管,上面...
51单片机为基础用汇编语言编写用数码管显示一个同时有"加""减""乘...答:ORG 0000H LJMP MAIN ORG 0100H MAIN:MOV SP,#7EH MOV 22H,#00H CLR P2.0 CLR P2.3 MOV 20H,#00H MOV 21H,#00H MOV 30H, #00H MOV 31H, #00H MOV 32H, #00H ;初始化 SU: MOV 7DH,#0FFH MOV 7EH,#0FFH MOV 7FH,#0FFH KEYI:ACALL KS1 CJNE A,#0F0H,LK1 ACALL ...