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38 lines
844 B
ArmAsm
38 lines
844 B
ArmAsm
;
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; Oliver Schmidt, 14.08.2018
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; Colin Leroy-Mira, 2023 <colin@colino.net>
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;
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; time_t __fastcall__ mktime_dt(const struct datetime *dt)
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;
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.import steaxspidx, pushax, incsp2, _gmtime_dt
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.import tm_buf
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.export _mktime_dt
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.include "time.inc"
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.include "zeropage.inc"
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.include "errno.inc"
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.include "mli.inc"
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; Convert ProDOS date/time to UNIX timestamp
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; source date address in AX
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_mktime_dt:
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; Convert to internal tm
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jsr _gmtime_dt
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cpx #$00
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bne :+
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cmp #$00
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beq err
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; Make time_t
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: lda #<tm_buf
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ldx #>tm_buf
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jmp _mktime
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err: lda #$00
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tax
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sta sreg
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sta sreg+1
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rts
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