45 lines
720 B
ArmAsm
45 lines
720 B
ArmAsm
;
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; Ullrich von Bassewitz, 12.11.2002
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;
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; time_t __fastcall__ time (time_t* t);
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;
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.export _time
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.import __errno
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.importzp ptr1, sreg
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.include "errno.inc"
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.code
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.proc _time
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sta ptr1
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stx ptr1+1 ; t
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ldx #$FF
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stx sreg
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stx sreg+1
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ora ptr1+1 ; t == 0?
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beq @L1
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ldy #$03
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txa
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@L0: sta (ptr1),y ; *t = -1
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dey
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bpl @L0
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lda #$00
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@L1: sta __errno+1
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lda #ENOSYS ; Function not implemented
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sta __errno
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txa ; A = $FF
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rts
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.endproc
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