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cc65/libsrc/apple2/mktime_dt.s
2024-01-01 19:12:51 +01:00

38 lines
844 B
ArmAsm

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