?? th27_點(diǎn)陣.asm
字號:
;P0 口----行
;P1 口----列
ORG 0000H
ljmp start
ORG 0030H
start:
mov r5, #2
A5: mov r4, #20
DelayLoop5:
mov a, #08h ;4
mov P0, a
mov P2, a
mov a, #0E7h
mov P1, a
mov P3, a
call delay
mov a, #010h ;5
mov P0, a
mov P2, a
mov a, #0E7h
mov P1, a
mov P3, a
call delay
djnz r4, DelayLoop5
djnz r5, A5
mov r5, #2
A4: mov r4, #10
DelayLoop4:
mov a, #04h ;3
mov P0, a
mov P2, a
mov a, #0C3h
mov P1, a
mov P3, a
call delay
mov a, #08h ;4
mov P0, a
mov P2, a
mov a, #0DBh
mov P1, a
mov P3, a
call delay
mov a, #010h ;5
mov P0, a
mov P2, a
mov a, #0DBh
mov P1, a
mov P3, a
call delay
mov a, #020h ;6
mov P0, a
mov P2, a
mov a, #0C3h
mov P1, a
mov P3, a
call delay
djnz r4, DelayLoop4
djnz r5, A4
mov r5, #2
A3: mov r4, #8
DelayLoop3:
mov a, #02h ;2
mov P0, a
mov P2, a
mov a, #081h
mov P1, a
mov P3, a
call delay
mov a, #04h ;3
mov P0, a
mov P2, a
mov a, #0BDh
mov P1, a
mov P3, a
call delay
mov a, #08h ;4
mov P0, a
mov P2, a
mov a, #0BDh
mov P1, a
mov P3, a
call delay
mov a, #010h ;5
mov P0, a
mov P2, a
mov a, #0BDh
mov P1, a
mov P3, a
call delay
mov a, #020h ;6
mov P0, a
mov P2, a
mov a, #0BDh
mov P1, a
mov P3, a
call delay
mov a, #040h ;7
mov P0, a
mov P2, a
mov a, #081h
mov P1, a
mov P3, a
call delay
djnz r4, DelayLoop3
djnz r5, A3
mov r5, #2
A2: mov r4, #6
DelayLoop2:
mov a, #01h ;1
mov P0, a
mov P2, a
mov a, #00h
mov P1, a
mov P3, a
call delay
mov a, #02h ;2
mov P0, a
mov P2, a
mov a, #07Eh
mov P1, a
mov P3, a
call delay
mov a, #04h ;3
mov P0, a
mov P2, a
mov a, #07Eh
mov P1, a
mov P3, a
call delay
mov a, #08h ;4
mov P0, a
mov P2, a
mov a, #07Eh
mov P1, a
mov P3, a
call delay
mov a, #010h ;5
mov P0, a
mov P2, a
mov a, #07Eh
mov P1, a
mov P3, a
call delay
mov a, #020h ;6
mov P0, a
mov P2, a
mov a, #07Eh
mov P1, a
mov P3, a
call delay
mov a, #040h ;7
mov P0, a
mov P2, a
mov a, #07Eh
mov P1, a
mov P3, a
call delay
mov a, #080h ;8
mov P0, a
mov P2, a
mov a, #00h
mov P1, a
mov P3, a
call delay
djnz r4, DelayLoop2
djnz r5, A2
Ljmp START
Delay:
mov r6, #3
A1: mov r7, #0
DelayLoop:
NOP
NOP
djnz r7, DelayLoop
djnz r6, A1
ret
end
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