time0?? equ?? 32?????? ;53ms????????
time1?? equ?? 187????? ;10s
sel0??? equ?? 0feh???? ;秒低位
sel1??? equ?? 0fdh???? ;秒高位
sel2??? equ?? 0fbh???? ;分低位
sel3??? equ?? 0f7h???? ;分高位
sel4??? equ?? 0efh???? ;時低位
sel5??? equ?? 0dfh???? ;時高位
sel6??? equ?? 0bfh???? ;日低位
sel7??? equ?? 07fh???? ;日高位
sel8??? equ?? 0feh???? ;月低位
sel9??? equ?? 0fdh???? ;月高位
sel10?? equ?? 0fbh???? ;年低位
sel11?? equ?? 0f7h???? ;年高位
selno?? equ?? 0ffh
;---------------------
outPort?? data p0
selPort0? data p2
selPort1? data p1

second0?? data 08h
second1?? data 09h
minute0?? data 0ah
minute1?? data 0bh
hour0???? data 0ch
hour1???? data 0dh
date0???? data 0eh
date1???? data 0fh
month0??? data 10h
month1??? data 11h
year0???? data 12h
year1???? data 13h

selled??? data 30h?????????? ;led動態掃描計數
seldata?? data 31h?????????? ;修改時選擇項目
key0Data? data 32h?????????? ;按鍵狀態
key1Data? data 33h
key2Data? data 34h
key3Data? data 35h
tims????? data 36h
tims0???? data 37h
;---------------------
rst?????? bit? p3.0
io??????? bit? p3.1
sclk????? bit? p3.2
key0Pin?? bit? p1.4
key1Pin?? bit? p1.5
key2Pin?? bit? p1.6
key3Pin?? bit? p1.7
;---------------------
chgMode?? bit? 20h.0???????? ;修改狀態或平常狀態
sel0Dot?? bit? 21h.0???????? ;小數點狀態
sel1Dot?? bit? 21h.1
sel2Dot?? bit? 21h.2
sel3Dot?? bit? 21h.3
sel4Dot?? bit? 21h.4
sel5Dot?? bit? 21h.5
sel6Dot?? bit? 21h.6
sel7Dot?? bit? 21h.7
sel8Dot?? bit? 22h.0
sel9Dot?? bit? 22h.1
sel10Dot? bit? 22h.2
sel11Dot? bit? 22h.3
;---------------------
?????? org???? 0
?????? ljmp??? main
?????? org???? 0bh
;----------------------------------------
tim0:? mov???? th0,#0f2h???? ;24M-1666us,50Hz刷新率
?????? mov???? tl0,#0fch???? ;3332
?????? push??? acc
?????? push??? psw
?????? push??? 00h

??????? mov???? a,selled
??????? rl????? a
??????? jmp???? @a+dptr
selLab: ajmp??? sel0do
??????? ajmp??? sel1do
??????? ajmp??? sel2do
??????? ajmp??? sel3do
??????? ajmp??? sel4do
??????? ajmp??? sel5do
??????? ajmp??? sel6do
??????? ajmp??? sel7do
??????? ajmp??? sel8do
??????? ajmp??? sel9do
??????? ajmp??? sel10do
??????? ;ajmp??? sel11do
sel11do:mov???? selled,#0ffh
??????? mov???? c,sel11Dot
??????? mov???? selPort1,#sel11
??????? ajmp??? sel10a
sel0do: mov???? selPort0,#sel0
??????? mov???? c,sel0Dot
??????? ajmp??? sel7a
sel1do: mov???? selPort0,#sel1
??????? mov???? c,sel1Dot
??????? ajmp??? sel7a
sel2do: mov???? selPort0,#sel2
??????? mov???? c,sel2Dot
??????? ajmp??? sel7a
sel3do: mov???? selPort0,#sel3
??????? mov???? c,sel3Dot
??????? ajmp??? sel7a
sel4do: mov???? selPort0,#sel4
??????? mov???? c,sel4Dot
??????? ajmp??? sel7a
sel5do: mov???? selPort0,#sel5
??????? mov???? c,sel5Dot
??????? ajmp??? sel7a
sel6do: mov???? selPort0,#sel6
??????? mov???? c,sel6Dot
??????? ajmp??? sel7a
sel7do: mov???? selPort0,#sel7
??????? mov???? c,sel7Dot
sel7a:? mov???? selPort1,#selno
??????? ajmp??? _tim0a
sel8do: mov???? selPort1,#sel8
??????? mov???? c,sel8Dot
??????? ajmp??? sel10a
sel9do: mov???? selPort1,#sel9
??????? mov???? c,sel9Dot
??????? ajmp??? sel10a
sel10do:mov???? selPort1,#sel10
??????? mov???? c,sel10Dot
sel10a: mov???? selPort0,#selno
??????? ;ajmp??? _tim0a