2017-12-08 05:48:41 +00:00
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;;; Query ProDOS and print the current date/time
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;;; (No dependency on Cricket clock)
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;;; Output is: MM/DD/YY HH:MM
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2017-12-03 05:35:50 +00:00
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.setcpu "6502"
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.org $2000
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.include "apple2.inc"
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2019-09-29 03:14:53 +00:00
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2019-10-04 04:23:00 +00:00
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.include "../inc/apple2.inc"
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.include "../inc/macros.inc"
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.include "../inc/prodos.inc"
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2017-12-03 05:35:50 +00:00
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start:
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2019-09-29 03:14:53 +00:00
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MLI_CALL GET_TIME, 0
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2017-12-03 05:35:50 +00:00
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2018-08-05 18:09:44 +00:00
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;;; Standard format:
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;;;
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;;; 49041 ($BF91) 49040 ($BF90)
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;;; 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
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;;; +-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+
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;;; DATE: | year | month | day |
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;;; +-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+
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;;;
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;;; 49043 ($BF93) 49042 ($BF92)
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;;; 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
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;;; +-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+
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;;; TIME: |0 0 0| hour | |0 0| minute |
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;;; +-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+
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;;;
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;;; Extended format (ProDOS 2.5):
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;;; https://groups.google.com/d/topic/comp.sys.apple2/6MwlJSKTmQc/discussion
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;;;
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;;; 49039 ($BF8F) 49038 ($BF8E)
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;;; 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
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;;; +-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+
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;;; xTIME: | xSeconds | xMilliseconds |
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;;; +-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+
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;;;
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;;; 49041 ($BF91) 49040 ($BF90)
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;;; 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
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;;; +-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+
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;;; DATE: | year | month | day |
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;;; +-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+
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;;;
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;;; 49043 ($BF93) 49042 ($BF92)
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;;; 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
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;;; +-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+
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;;; TIME: |xYear| hour | |0 0| minute |
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;;; +-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+
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2017-12-08 04:49:53 +00:00
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;; Date
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2017-12-03 05:35:50 +00:00
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lda DATELO+1 ; month
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ror a
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pha
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lda DATELO
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pha
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rol a
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rol a
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rol a
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rol a
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and #%00001111
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jsr cout_number
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2017-12-08 04:49:53 +00:00
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lda #HI('/') ; /
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2017-12-03 05:35:50 +00:00
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jsr COUT
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pla ; day
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and #%00011111
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jsr cout_number
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2017-12-08 04:49:53 +00:00
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lda #HI('/') ; /
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2017-12-03 05:35:50 +00:00
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jsr COUT
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pla ; year
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2018-08-05 18:09:44 +00:00
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;; TODO: Shift in xYear bits
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jsr cout_number ; TODO: Support 16-bit numbers
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2017-12-03 05:35:50 +00:00
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2017-12-08 04:49:53 +00:00
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lda #HI(' ')
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jsr COUT
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jsr COUT
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;; Time
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lda TIMELO+1 ; hour
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2018-08-05 18:09:44 +00:00
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and #%00011111
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2017-12-08 04:49:53 +00:00
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jsr cout_number
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lda #HI(':') ; ':'
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jsr COUT
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lda TIMELO ; minute
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2018-08-05 18:09:44 +00:00
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and #%00111111
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2017-12-08 04:49:53 +00:00
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jsr cout_number
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2017-12-03 05:35:50 +00:00
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jsr CROUT
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rts
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2017-12-08 04:49:53 +00:00
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pm_flag:
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.byte 0
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;;; ------------------------------------------------------------
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2017-12-03 05:35:50 +00:00
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.proc cout_number
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2017-12-08 04:49:53 +00:00
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ldx #HI('0')
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2017-12-03 05:35:50 +00:00
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cmp #10 ; >= 10?
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bcc tens
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;; divide by 10, dividend(+'0') in x remainder in a
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: sbc #10
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inx
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cmp #10
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bcs :-
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tens: pha
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txa
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jsr COUT
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units: pla
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2017-12-08 04:49:53 +00:00
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ora #HI('0')
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2017-12-03 05:35:50 +00:00
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jsr COUT
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rts
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.endproc
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