看到我的程序能運行真的好高興！我有向前邁進了一步！
程序很簡單，可我為他盡力了！這是這一年來第一次這樣高興！努力吧！要知道‘學如逆水行舟，不進則退’
數顯是：7SEG-MPX2-CA可以用7406驅動或PN4275
org 0000h
mov 31h,#00h
mov 30h,#00h
mov dptr,#tab
mov r5,#020h
main:mov a,30h
anl a,#0fh
movc a,@a+dptr
mov p0,a
mov p2,#01h
lcall ys
mov a,31h
anl a,#0fh
movc a,@a+dptr
mov p0,a
mov a,p2
rl a
mov p2,a
lcall ys
mov r1,#04h
loop2:mov r2,#64h
loop1:nop
nop
nop
nop
nop
nop
nop
nop
djnz r2,loop1
djnz r1,loop2
djnz r5,main
mov r5,#020h
inc 30h
mov a,30h
cjne a,#0ah,main
inc 31h
mov 30h,#00h
mov a,31h
cjne a,#0ah,main
mov 31h,#00h
sjmp main
ys:mov r3,#010h
l:mov r4,045h
lo:nop
nop
djnz r4,lo
djnz r3,l
ret
tab: db 02h,09fh,024h,00dh,99h,049h,040h,01fh,000h,009h
end
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