jqhzdkjxt.asm

一个灯控制的软件

org  0000h
ajmp start
org  000bh
ajmp time0
org 30h
start:
    mov p1,#0ffh
    mov 30h,#00h
    mov 31h,#00h
    mov 32h,#00h
    mov 33h,#00h
    mov 34h,#00h
    mov tmod,#00000001b
    mov th0,#3ch
    mov tl0,#0b0h
    setb ea
    setb et0
    jb p3.5,$
    setb tr0
loop:
L0: JB P3.5,L7
    MOV R7,#240
    mov 34h,#00h
L5: JB P3.5,L6
    MOV R7,#240
    mov a,34h
    cjne a,#2,L6
    cpl p1.0
    ajmp l7
L6: DJNZ R7,L5
    cpl p1.7
l7: mov r1,32h
    cjne r1,#0,k1
	 clr p1.7
k1: jnb p1.4,l1
    cjne r1,#2,l1
    clr p1.0
    clr p1.4
l1: cjne r1,#6,l2
    CLR P1.6
l2: cjne r1,#120,l3
    SETB P1.6
l3: jb p1.4,l4
    cjne r1,#140,l4
    setb p1.0
    setb p1.4
l4: cjne r1,#143,l8
    setb p1.7
    setb p1.0
    setb p1.6
l8: cjne r1,#240,l0
    mov 32h,#00h
    setb p1.4
    ajmp loop
time0:
    PUSH ACC
	 PUSH PSW
    inc 30h
	 inc 33h
    mov a,33h
	 cjne a,#10,nn
	 cpl p1.3
	 inc 34h
	 mov 33h,#00h
nn: mov a,30h
    cjne a,#60,tret
    mov 30h,#00h
    inc 31h                          
    mov a,31h
    cjne a,#60,tret
    mov 31h,#00h
    inc 32h
    
tret:
    POP PSW
	 POP ACC
    mov a,tl0
    add a,#0b0h
    mov tl0,a
    mov th0,#3ch
    
reti
end