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New plugin stdio

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git-svn-id: svn://svn.cc65.org/cc65/trunk@1224 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2002-04-07 20:52:04 +00:00
parent 77308fe20f
commit 569c0f451f
2 changed files with 178 additions and 5 deletions
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22
src/sim65/chips/make/gcc.mak
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@ -2,15 +2,19 @@
# gcc Makefile for the sim65 chip plugins
#
# Library dir
# Include directories
COMMON = ../../common
SIM65 = ..
CFLAGS = -g -O2 -Wall -W -I$(SIM65) -fpic
CFLAGS = -g -O2 -Wall -W -I$(COMMON) -I$(SIM65) -fpic
CC = gcc
EBIND = emxbind
LDFLAGS =
CHIPS = ram.so
LIBS = $(COMMON)/common.a
CHIPS = ram.so \
stdio.so
OBJS = $(CHIPS:.so=.o)
@ -24,10 +28,18 @@ all: depend
endif
# Rules to make chips
ram.so: ram.o
$(CC) $(CFLAGS) -shared -o $@ $^
$(CC) $(CFLAGS) -shared -o $@ $(LIBS) $^
@if [ $(OS2_SHELL) ] ; then $(EBIND) $@ ; fi
stdio.so: stdio.o
$(CC) $(CFLAGS) -shared -o $@ $(LIBS) $^
@if [ $(OS2_SHELL) ] ; then $(EBIND) $@ ; fi
# Admin stuff
clean:
rm -f *~ core *.lst
@ -40,6 +52,6 @@ zap: clean
.PHONY: depend dep
depend dep: $(CHIPS:.so=.c)
@echo "Creating dependency information"
$(CC) -I$(SIM65) -MM $^ > .depend
$(CC) -I$(COMMON) -I$(SIM65) -MM $^ > .depend

161
src/sim65/chips/stdio.c Normal file
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@ -0,0 +1,161 @@
/*****************************************************************************/
/* */
/* stdio.c */
/* */
/* STDIO plugin for the sim65 6502 simulator */
/* */
/* */
/* */
/* (C) 2002 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* common */
#include "attrib.h"
/* sim65 */
#include "chipif.h"
/*****************************************************************************/
/* Forwards */
/*****************************************************************************/
int InitChip (const struct SimData* Data);
/* Initialize the chip, return an error code */
static void* InitInstance (unsigned Addr, unsigned Range);
/* Initialize a new chip instance */
static void Write (void* Data, unsigned Addr, unsigned char Val);
/* Write user data */
static unsigned char Read (void* Data, unsigned Addr);
/* Read user data */
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* Control data passed to the main program */
static const struct ChipData RAMData[1] = {
{
"STDIO", /* Name of the chip */
CHIPDATA_VER_MAJOR, /* Version information */
CHIPDATA_VER_MINOR,
/* -- Exported functions -- */
InitChip,
InitInstance,
Write,
Write,
Read,
Read
}
};
/* The SimData pointer we get when InitChip is called */
static const SimData* Sim;
/*****************************************************************************/
/* Exported function */
/*****************************************************************************/
int GetChipData (const ChipData** Data, unsigned* Count)
{
/* Pass the control structure to the caller */
*Data = RAMData;
*Count = sizeof (Data) / sizeof (Data[0]);
/* Call was successful */
return 0;
}
/*****************************************************************************/
/* Code */
/*****************************************************************************/
int InitChip (const struct SimData* Data)
/* Initialize the chip, return an error code */
{
/* Remember the pointer */
Sim = Data;
/* Always successful */
return 0;
}
static void* InitInstance (unsigned Addr attribute ((unused)),
unsigned Range attribute ((unused)))
/* Initialize a new chip instance */
{
/* We don't need any instance data */
return 0;
}
static void Write (void* Data attribute ((unused)),
unsigned Addr attribute ((unused)),
unsigned char Val)
/* Write user data */
{
putchar (Val);
}
static unsigned char Read (void* Data attribute ((unused)),
unsigned Addr attribute ((unused)))
/* Read user data */
{
/* Read a character and return the value */
return getchar ();
}