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LED Matrix 的代码
led.c
//串行驱动led显示，
//一个74hc595位移寄存器驱动三极管驱动led位，
//两个74hc595驱动led段，方式位5位x8段x2=10个数码管
//5分频，每次扫描时间位1.25ms
//定义特殊符号
#define nul 0xf
#define qc 0xc
#define qb 0xb
#define q_ 0xa
#define q__ 0xd
led.c
//串行驱动led显示，
//一个74hc595位移寄存器驱动三极管驱动led位，
//两个74hc595驱动led段，方式位5位x8段x2=10个数码管
//5分频，每次扫描时间位1.25ms
//定义特殊符号
#define nul 0xf
#define qc 0xc
#define qb 0xb
#define q_ 0xa
#define q__ 0xd
led.bak
org 0000h
ajmp main
org 0030h
main:
mov sp,#60h
mov acc,#00h
loop: nop
mov p0,a
acall delay
inc acc
sjmp loop
delay: mov r0, #10h
d1: mov
led.asm
org 0000h
ajmp main
org 0030h
main:
mov sp,#60h
mov acc,#00h
loop: nop
mov p0,a
acall delay
inc acc
sjmp loop
delay: mov r0, #10h
d1: mov r1,
led.lnp
"led.obj"
TO "led"