From 569c0f451f8cd55582e3241e2df691640a21cbef Mon Sep 17 00:00:00 2001 From: cuz Date: Sun, 7 Apr 2002 20:52:04 +0000 Subject: [PATCH] New plugin stdio git-svn-id: svn://svn.cc65.org/cc65/trunk@1224 b7a2c559-68d2-44c3-8de9-860c34a00d81 --- src/sim65/chips/make/gcc.mak | 22 +++-- src/sim65/chips/stdio.c | 161 +++++++++++++++++++++++++++++++++++ 2 files changed, 178 insertions(+), 5 deletions(-) create mode 100644 src/sim65/chips/stdio.c diff --git a/src/sim65/chips/make/gcc.mak b/src/sim65/chips/make/gcc.mak index eb0f48814..dd1b2e1bd 100644 --- a/src/sim65/chips/make/gcc.mak +++ b/src/sim65/chips/make/gcc.mak @@ -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 diff --git a/src/sim65/chips/stdio.c b/src/sim65/chips/stdio.c new file mode 100644 index 000000000..fbe06ea6d --- /dev/null +++ b/src/sim65/chips/stdio.c @@ -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 +#include +#include + +/* 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 (); +} + + + -- 2.39.5