发布于 2005-04-30 08:35:32
0楼
LD SM0.1
FILL 0,VW130,7
MOVB 0,VB1000
HDEF 0, 9
MOVB 16#F8, SMB37
MOVD 0,SMD38
MOVD 0, SMD42
HSC 0
MOVB 250, SMB34 //250MS中断 250MS*240=1Minute
ATCH INT_0, 10
ENI
中断程序:LD SM0.0
INCB VB1000
LDB= VB1000,240
MOVB 0,VB1000
MOVD HC0, VD130
MOVD VD130, VD134
-D VD140, VD134
MOVD VD130, VD140
I can do it