mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-27 04:49:20 +00:00
108 lines
4.1 KiB
Plaintext
108 lines
4.1 KiB
Plaintext
|
NEW
|
|||
|
|
AUTO 3,1
|
|||
|
|
* object code = tclock_0
|
|||
|
|
* Thunderclock driver
|
|||
|
|
* hard coded for slot 1
|
|||
|
|
|
|||
|
|
* $2F00-2F7C moved to $D742
|
|||
|
|
|
|||
|
|
ofsT .EQ tclock_0-tclk_in offset to Thunderclock org
|
|||
|
|
|
|||
|
|
tclock_0 ldx clkslt clock slot = $C1.
|
|||
|
|
lda clkmode,x save current mode
|
|||
|
|
pha
|
|||
|
|
lda #$A3 send numeric mode byte to Thunderclock
|
|||
|
|
jsr wttcp
|
|||
|
|
clkslt .EQ *-ofsT+2 points to $C1.
|
|||
|
|
jsr rdtcp read month, day of week, day of month
|
|||
|
|
clc and time into input buffer.
|
|||
|
|
ldx #$04 index for 5 values.
|
|||
|
|
ldy #$0C read minutes 1st, month last.
|
|||
|
|
H2F14 lda inbuf,y convert values to binary.
|
|||
|
|
and #$07 no value > 5 decimal.
|
|||
|
|
sta pcl 'tens' place value
|
|||
|
|
asl a multiply by 10
|
|||
|
|
asl a
|
|||
|
|
adc pcl
|
|||
|
|
asl a
|
|||
|
|
adc inbuf+1,y add to ascii 'ones' place
|
|||
|
|
sec and subtract out the ascii
|
|||
|
|
sbc #$B0
|
|||
|
|
sta pcl,x save converted value.
|
|||
|
|
dey index to next lowest value
|
|||
|
|
dey
|
|||
|
|
dey
|
|||
|
|
dex are there more values?
|
|||
|
|
bpl H2F14 if yes.
|
|||
|
|
tay contains month
|
|||
|
|
lsr a
|
|||
|
|
ror a
|
|||
|
|
ror a
|
|||
|
|
ror a high bit of month held in carry
|
|||
|
|
ora A1L
|
|||
|
|
sta p8date save low value of date.
|
|||
|
|
php save high bit of month.
|
|||
|
|
and #$1F isolate day.
|
|||
|
|
adc tdays-1,y (y = month)
|
|||
|
|
bcc H2F42 branch if not Sept 13 thru 30th
|
|||
|
|
adc #$03 adj for mod 7 when day > 256
|
|||
|
|
H2F42 sec
|
|||
|
|
H2F43 sbc #$07
|
|||
|
|
bcs H2F43 loop until < 0.
|
|||
|
|
adc #$07 make it in the range of 0-6.
|
|||
|
|
sbc pch the delta provides years offset.
|
|||
|
|
bcs H2F4F branch if positive
|
|||
|
|
adc #$07 else make it positive again.
|
|||
|
|
H2F4F tay
|
|||
|
|
lda yradj,y look up year
|
|||
|
|
plp and combine it with hi bit of month
|
|||
|
|
rol a
|
|||
|
|
sta p8date+1 P8 date
|
|||
|
|
lda A1L+1 hour
|
|||
|
|
sta p8time+1 P8 time
|
|||
|
|
lda A2L minute
|
|||
|
|
sta p8time
|
|||
|
|
pla restore previous mode.
|
|||
|
|
ldx clkslt clock slot = $C1
|
|||
|
|
sta clkmode,x
|
|||
|
|
H2F69 rts
|
|||
|
|
|
|||
|
|
* this table contains entries for the cumulative # of days in a year,
|
|||
|
|
* one entry for each month. the values are modulo 256.
|
|||
|
|
|
|||
|
|
tdays .EQ *-ofsT
|
|||
|
|
dc h'00' January
|
|||
|
|
dc h'1F' February
|
|||
|
|
dc h'3B' March
|
|||
|
|
dc h'5A' April
|
|||
|
|
dc h'78' May
|
|||
|
|
dc h'97' June
|
|||
|
|
dc h'B5' July
|
|||
|
|
dc h'D3' August
|
|||
|
|
dc h'F2' September
|
|||
|
|
dc h'14' October (MOD 256)
|
|||
|
|
dc h'33' November
|
|||
|
|
dc h'51' December
|
|||
|
|
|
|||
|
|
* the following table is used to look up the current year, based on
|
|||
|
|
* the current month, day and day of week. The 1st entry corresponds
|
|||
|
|
* to the year in which January 1st falls on a Monday. The 2nd entry
|
|||
|
|
* is the year which January 1st is Sunday, and so on backwards thru
|
|||
|
|
* the days of the week.
|
|||
|
|
|
|||
|
|
yradj .EQ *-ofsT
|
|||
|
|
dc h'60' Monday
|
|||
|
|
dc h'5F' Sunday
|
|||
|
|
dc h'5E' Saturday
|
|||
|
|
dc h'5D' Friday
|
|||
|
|
dc h'62' Thursday
|
|||
|
|
dc h'61' Wednesday
|
|||
|
|
dc h'60' Tuesday
|
|||
|
|
tclk_end .EQ * end of obj tclock_0.
|
|||
|
|
dc h'000000' pad
|
|||
|
|
*--------------------------------------
|
|||
|
|
MAN
|
|||
|
|
LOAD USR/SRC/PRODOS/PRODOS.S.TCLK
|
|||
|
|
SAVE USR/SRC/PRODOS/PRODOS.S
|
|||
|
|
ASM
|