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Add the time() function

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git-svn-id: svn://svn.cc65.org/cc65/trunk@1504 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2002-11-12 19:54:30 +00:00
parent f95340fc44
commit 35aaf34e20
3 changed files with 48 additions and 1 deletions
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3
include/time.h
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@ -6,7 +6,7 @@
/* */
/* */
/* */
/* (C) 1998-2000 Ullrich von Bassewitz */
/* (C) 1998-2002 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
@ -82,6 +82,7 @@ unsigned _clocks_per_sec (void);
/* Function prototypes */
clock_t clock (void);
time_t __fastcall__ time (time_t* t);

1
libsrc/common/Makefile
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@ -116,6 +116,7 @@ S_OBJS = _fdesc.o \
strspn.o \
strstr.o \
strupper.o \
time.o \
tolower.o \
toupper.o \
vcprintf.o \

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