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Rewrote vprintf in assembler and made it __fastcall__

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2186 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2003-06-02 16:08:26 +00:00
parent e60b68c7bd
commit 7b3f6f9369
5 changed files with 54 additions and 24 deletions
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2
include/stdio.h
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@ -102,7 +102,7 @@ int remove (const char* name);
int rename (const char* old, const char* new); int rename (const char* old, const char* new);
int sprintf (char* buf, const char* format, ...); int sprintf (char* buf, const char* format, ...);
int __fastcall__ vfprintf (FILE* f, const char* format, va_list ap); int __fastcall__ vfprintf (FILE* f, const char* format, va_list ap);
int vprintf (const char* format, va_list ap); int __fastcall__ vprintf (const char* format, va_list ap);
int __fastcall__ vsprintf (char* buf, const char* format, va_list ap); int __fastcall__ vsprintf (char* buf, const char* format, va_list ap);
/* Not available or testing: */ /* Not available or testing: */

2
libsrc/common/.cvsignore
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@ -33,6 +33,6 @@ sscanf.s
strftime.s strftime.s
strtok.s strtok.s
strxfrm.s strxfrm.s
system.s
timezone.s timezone.s
vprintf.s
vsscanf.s vsscanf.s

2
libsrc/common/Makefile
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@ -53,7 +53,6 @@ C_OBJS = _afailed.o \
strtok.o \ strtok.o \
system.o \ system.o \
timezone.o \ timezone.o \
vprintf.o \
vsscanf.o vsscanf.o
@ -139,6 +138,7 @@ S_OBJS = _fdesc.o \
tolower.o \ tolower.o \
toupper.o \ toupper.o \
vfprintf.o \ vfprintf.o \
vprintf.o \
vsprintf.o \ vsprintf.o \
zerobss.o zerobss.o

21
libsrc/common/vprintf.c
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@ -1,21 +0,0 @@
/*
* vprintf.c
*
* Ullrich von Bassewitz, 11.08.1998
*/
#include <stdarg.h>
#include <stdio.h>
#include "_printf.h"
int vprintf (const char* format, va_list ap)
{
return vfprintf (stdout, format, ap);
}

51
libsrc/common/vprintf.s Normal file
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@ -0,0 +1,51 @@
;
; Ullrich von Bassewitz, 2003-06-02
;
; int __fastcall__ vprintf (const char* format, va_list ap);
;
.export _vprintf
.import _vfprintf, _stdout
.import decsp2
.importzp sp
.proc _vprintf
; Save A which contains the low part of ap
pha
; Allocate one more word on the stack
jsr decsp2
; Move the format parameter down and store stdout in it's place
ldy #2
lda (sp),y
ldy #0
sta (sp),y
ldy #3
lda (sp),y
ldy #1
sta (sp),y
iny
lda _stdout
sta (sp),y
iny
lda _stdout+1
sta (sp),y
; Restore A
pla
; Call vfprintf (stdout, format, ap) which will cleanup the stack and return
jmp _vfprintf
.endproc