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make time zone work

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rumbledethumps
2025-12-02 21:37:14 -08:00
parent dbcfa91089
commit a6a91349bc
5 changed files with 77 additions and 22 deletions
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36
libsrc/common/localtime.s
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@@ -5,16 +5,27 @@
;
.export _localtime
.import __time_t_to_tm, __tz
.import __time_t_to_tm, __tz, _tzset_time
.import ldeaxi, tosaddeax, pusheax
.importzp sreg
.importzp sreg, ptr1
_localtime:
cpx #$00 ; Check for null pointer
bne :+
cmp #$00
beq no_pointer
: jsr ldeaxi ; Load value
.if .cap(CPU_HAS_PUSHXY)
pha
phx
jsr _tzset_time
plx
pla
.else
pha
txa
pha
jsr _tzset_time
pla
tax
pla
.endif
jsr ldeaxi ; Load value
jsr pusheax ; Push it
lda __tz+1+3
sta sreg+1
@@ -23,7 +34,12 @@ _localtime:
ldx __tz+1+1
lda __tz+1
jsr tosaddeax ; Add _tz.timezone
jmp __time_t_to_tm ; Convert to struct tm
no_pointer:
jsr __time_t_to_tm ; Convert to struct tm
sta ptr1 ; Save returned tm pointer
stx ptr1+1
ldy #16
lda __tz+0 ; Load _tz.daylight
sta (ptr1),y ; Store to tm.tm_isdst
lda ptr1 ; Restore returned tm pointer
ldx ptr1+1
rts ; A/X already set