我的第一个汇编程序,led流水灯

关注

原创最新推荐文章于 2026-08-17 16:04:26 发布 1.7k 阅读 AI 写同款· GEO 优化 ›

c51单片机流水灯程序汇编语言,单片机流水灯汇编程序,8路流水灯汇编语言程序的写法... 汇编语言程序如下：;假设1：D1~D8八个彩灯接在P1口，输出低电平发光;假设2：系统晶振为12MHz;假设3：N = 5;程序如下：ORG 0000HMOV R3, #5 ;N=5LOOP0:MOV A, #0FFHMOV P1, #0FFH ;开始时全灭;-------------------------------逐个点亮MOV R2, #8LOOP1:... 阅读详情

;S3C2410X 芯片
;SFR Area 0x4800_0000 0x600_0000
GPFCON      EQU  0x56000050     ;Port F control
GPFDAT      EQU  0x56000054     ;Port F data
GPFUP       EQU  0x56000058     ;Pull-up control F 
   
 AREA myarea, CODE
 ENTRY

 LDR r0, =0x5500   ;0b 0101 0101 0000 0000 output GPFCON 
 LDR r1, = GPFCON
 STR r0,[r1]    ; 设置GPFCON寄存器

 LDR r0, = 0xf0
 LDR r1, =GPFUP
 STR r0,[r1] ;设置 GPF4~GPF7上拉有效
  LDR r2, = 0xfe
start_while
 
 ROR r2,#1
 LDR r1, =GPFDAT  
 STR  r2,[r1]
    
    LDR r0, =0xffff 
loop1
 SUBS r0,r0, #1
 BNE loop1

 LDR r0, = 0xF0
 LDR r1, =GPFDAT
 STR  r0,[r1]

 LDR r0, =0xffff
loop2
 SUBS r0,r0, #1
 BNE loop2 
   
 B start_while

stop
 B stop
 END