带记忆功能的按键状态判断
........................\BACKUP
........................\......\shuru_c.c.111113215242
........................\......\shuru_c.c.111113220034
........................\......\shuru_c.c.120520200856
........................\......\shuru_c.c.121028120608
........................\......\shuru_c.c.121028120816
........................\......\shuru_c._c
........................\SHURU.cof
........................\SHURU.dbg
........................\SHURU.hex
........................\SHURU.lk
........................\SHURU.lst
........................\SHURU.mak
........................\SHURU.mp
........................\shuru.prj
........................\SHURU.SRC
........................\shuru_c.c
........................\shuru_c.lis
........................\shuru_c.o
按键状态读取
............\anjian.c
............\ANJIAN.cof
............\ANJIAN.dbg
............\ANJIAN.hex
............\anjian.lis
............\ANJIAN.lk
............\ANJIAN.lst
............\ANJIAN.mak
............\ANJIAN.mp
............\anjian.o
............\anjian.prj
............\ANJIAN.SRC
............\BACKUP
............\......\anjian.c.121027174014
............\......\anjian.c.121027174832
............\......\anjian.c.121027175030
............\......\anjian.c.121027175100
............\......\anjian.c.121027175122
............\......\anjian.c.121027175212
............\......\anjian._c
点阵数码管
..........\88点阵屏
..........\88点阵屏1《
..........\...........\BACKUP
..........\...........\......\dianzhenping.c.110322225102
..........\...........\......\dianzhenping.c.120915080230
..........\...........\......\dianzhenping.c.120916180026
..........\...........\......\dianzhenping.c.120916180102
..........\...........\......\dianzhenping.c.120916180134
..........\...........\......\dianzhenping.c.120916180814
..........\...........\......\dianzhenping.c.120916180826
..........\...........\......\dianzhenping.c.120916180838
..........\...........\......\dianzhenping.c.120916181624
..........\...........\......\dianzhenping.c.120916181820
..........\...........\......\dianzhenping.c.120916182110
..........\...........\......\dianzhenping.c.120916182154
..........\...........\......\dianzhenping.c.120916183054
..........\...........\......\dianzhenping.c.120916214826
..........\...........\......\dianzhenping.c.120916224110
..........\...........\......\dianzhenping.c.120916224650
..........\...........\......\dianzhenping.c.120916224702
..........\...........\......\dianzhenping.c.120916224836
..........\...........\......\dianzhenping.c.120916224850
..........\...........\......\dianzhenping.c.120916224918
..........\...........\......\dianzhenping.c.120916225354
..........\...........\......\dianzhenping.c.120916225530
..........\...........\......\dianzhenping.c.120916225550
..........\...........\......\dianzhenping.c.120916225622
..........\...........\......\dianzhenping.c.120916225634
..........\...........\......\dianzhenping.c.120916225738
..........\...........\......\dianzhenping.c.120916225826
..........\...........\......\dianzhenping.c.120916225958
..........\...........\......\dianzhenping.c.120916230022
..........\...........\......\dianzhenping.c.120916230038
..........\...........\......\dianzhenping.c.120916230046
..........\...........\......\dianzhenping.c.120916230526
..........\...........\......\dianzhenping.c.120916231116
..........\...........\......\dianzhenping.c.120916231224
..........\...........\......\dianzhenping.c.120916231304
..........\...........\......\dianzhenping.c.120916231344
..........\...........\......\dianzhenping.c.120916231352
..........\...........\......\dianzhenping.c.120916231404
..........\...........\......\dianzhenping.c.120916231826
..........\...........\......\dianzhenping.c.120916231902
..........\...........\......\dianzhenping.c.120916231910
..........\...........\......\dianzhenping.c.120917222028
..........\...........\......\dianzhenping.c.120917222048
..........\...........\......\dianzhenping.c.120917222126
..........\...........\......\dianzhenping.c.120917222138
......