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Rewrote vprintf in assembler and made it __fastcall__
git-svn-id: svn://svn.cc65.org/cc65/trunk@2186 b7a2c559-68d2-44c3-8de9-860c34a00d81
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@ -102,7 +102,7 @@ int remove (const char* name);
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int rename (const char* old, const char* new);
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int sprintf (char* buf, const char* format, ...);
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int __fastcall__ vfprintf (FILE* f, const char* format, va_list ap);
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int vprintf (const char* format, va_list ap);
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int __fastcall__ vprintf (const char* format, va_list ap);
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int __fastcall__ vsprintf (char* buf, const char* format, va_list ap);
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/* Not available or testing: */
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@ -33,6 +33,6 @@ sscanf.s
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strftime.s
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strtok.s
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strxfrm.s
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system.s
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timezone.s
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vprintf.s
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vsscanf.s
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@ -53,7 +53,6 @@ C_OBJS = _afailed.o \
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strtok.o \
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system.o \
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timezone.o \
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vprintf.o \
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vsscanf.o
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@ -139,6 +138,7 @@ S_OBJS = _fdesc.o \
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tolower.o \
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toupper.o \
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vfprintf.o \
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vprintf.o \
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vsprintf.o \
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zerobss.o
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@ -1,21 +0,0 @@
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/*
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* vprintf.c
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*
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* Ullrich von Bassewitz, 11.08.1998
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include "_printf.h"
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int vprintf (const char* format, va_list ap)
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{
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return vfprintf (stdout, format, ap);
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}
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51
libsrc/common/vprintf.s
Normal file
51
libsrc/common/vprintf.s
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@ -0,0 +1,51 @@
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;
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; Ullrich von Bassewitz, 2003-06-02
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;
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; int __fastcall__ vprintf (const char* format, va_list ap);
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;
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.export _vprintf
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.import _vfprintf, _stdout
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.import decsp2
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.importzp sp
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.proc _vprintf
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; Save A which contains the low part of ap
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pha
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; Allocate one more word on the stack
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jsr decsp2
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; Move the format parameter down and store stdout in it's place
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ldy #2
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lda (sp),y
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ldy #0
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sta (sp),y
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ldy #3
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lda (sp),y
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ldy #1
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sta (sp),y
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iny
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lda _stdout
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sta (sp),y
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iny
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lda _stdout+1
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sta (sp),y
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; Restore A
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pla
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; Call vfprintf (stdout, format, ap) which will cleanup the stack and return
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jmp _vfprintf
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.endproc
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