$regfile = "attiny13a.dat"
$crystal = 1200000
$hwstack = 8
$swstack = 4
$framesize = 4
Dim I As Byte
Dim D As Byte
Dim A As Integer
Config Portb.4 = Input
Portb.4 = 1
Config Portb.0 = Output
Config Timer0 = Pwm , Prescale = 1 , Compare A Pwm = Clear Down
Label_1:
Restore Dta1
Pwm0a = 255 'set darkness
A=0
Waitms 500
Do
If Pinb.4 = 0 Then Gosub Routine
Waitms 10
A = A + 1
If A = 500 Then Goto Label_2
Loop
Label_2: 'adjust ok
If Pinb.4 = 0 Then Goto Label_1
A = 0
Goto Label_2
End
Routine:
Read D
Pwm0a = D
I = I + 1
If I = 10 Then Restore Dta1
If I = 10 Then I = 0
Waitms 200
A = 0
Return
Dta1:
Data 0
Data 195
Data 205
Data 218
Data 225
Data 235
Data 243
Data 252
Data 255
