/****************************************************************************
OS/A65 Version 2.0.0
Multitasking Operating System for 6502 Computers
Copyright (C) 1989-1998 Andre Fachat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
****************************************************************************/
/***************************************************************************/
/* These defines control the ROM build */
/* */
#define ROM
/* These are necessary for CS/A65 kernel ***********************************/
#define OSA_ARCH "CS/A65"
/* These are changeable ****************************************************/
#define FSIEC_PARALLEL
#undef FSIEC_SERIAL
#undef FSIBM
#define USE_LIB6502
#define NEED_CHECKCHLD /* this is necessary if using "init" or
lib6502 */
#define NEED_GETINFO
#undef ROMTEST /* debug option */
/* #define EMUTEST */ /* debug option */
/* #define SYSPAGE $12 */ /* debug option */
#define NOMIRRORMEM /* ramtest kernel options */
#define SHORTRAMTEST
#define NMIRESET
#undef CMOSCPU
#undef NOSYSPORT
#define RAMEND $80 /* 32k in bank 0 */
#define CLK1MHZ
#undef BOOTDRV "c"
/***************************************************************************
*
* Better not change anything below
*/
#ifdef CMOSCPU
#define OSA_CPU "6502"
#else
#define OSA_CPU "65C02"
#endif
/***************************************************************************
*
* Here comes the ROM content
*/
#include "config.i65"
#include "kdefs.i65"
#include "fdefs.i65"
#include "kernel.i65"
#define SEM_VIAE840_T1 SEM_SERIEC
#undef SEM_SERIEC
#undef SEM_PARIEC
#define ROMSTART $8000
#define RAMSIZE (ROMSTART>>8)
#define MIN_MEM $20 /* 8 kbyte */
.(
; .word $2000 ; load address
*=ROMSTART
/************* ROM entries */
/*
The lib6502 needs to use addresses in each of the environments.
Devices (normally) use the kernel address space.
All other tasks, including the kernel have their own environment.
Therefore they all get their own zero, data and bss addresses.
*/
#echo ############ magic
/************* devices */
#include "sysapps/magic/magic.a65"
#echo ############ devices
.data:*=$f00:.zero:*=$d0:.bss:*=$400:.text
.zero
#echo zero:
#print *
.data
#echo data:
#print *
.bss
#echo bss:
#print *
.text
#include "devices/csadev.a65"
.zero
#echo zero:
#print *
.data
#echo data:
#print *
.bss
#echo bss:
#print *
.text
/************* init process */
.data:*=$3c0:.zero:*=$20:.bss:*=$400:.text
#define INIT_VERBOSE
#define INIT_MERGE
#define INIT_RESTART
#define INIT_LIB6502
#define INIT_MMU
#define INIT_MMU_BANK 2
#echo ############ init:
#include "sysapps/init/init.a65"
.data
#echo data (<1024):
#print *
.bss
#echo bss:
#print *
.text
/************* fsdev - converts devices into files */
.data:*=$300:.zero:*=$10:.bss:*=$400:.text
#echo ############ fsdev:
#include "sysapps/fs/fsdev.a65"
.data
#echo data (<=1024):
#print *
.bss
#echo bss:
#print *
.text
/************* fsiec - as IEEE488 bus filesystem */
#ifdef FSIEC_PARALLEL
#undef NOLOOP
#undef NOFS
#undef NOCMD
.data:*=$300:.zero:*=$10:.bss:*=$500:.text
#echo ############ fsiec (parallel):
#undef FSIEC_AS_INIT
#define FSIEC_DEVICE "devices/piec_csa.a65"
#include "sysapps/fs/fsiec.a65"
.data
#echo data (<=1280):
#print *
.bss
#echo bss:
#print *
.text
#endif
/************* fsiec - as IEC bus filesystem */
#ifdef FSIEC_SERIAL
#define NOLOOP
#undef NOFS
#undef NOCMD
.data:*=$300:.zero:*=$10:.bss:*=$400:.text
#echo ############ fsiec (serial):
#undef FSIEC_AS_INIT
#define FSIEC_DEVICE "devices/siec_csa.a65"
#include "sysapps/fs/fsiec.a65"
.data
#echo data (<=1024):
#print *
.bss
#echo bss:
#print *
.text
#endif
/************* fsibm - PC-style disks filesystem */
#ifdef FSIBM
.data:*=$300:.zero:*=$10:.bss:*=$500:.text
#echo ############ fsibm:
#define FSIBM_DEVICE_DRV "arch/csa65/devices/drv_wd1770.a65"
#include "sysapps/fs/fsibm.a65"
.data
#echo data (<=1280):
#print *
.bss
#echo bss:
#print *
.text
#endif
/************* mon - OS/A 1 old style monitor/shell */
.data:*=$3c0:.zero:*=$20:.bss:*=$400:.text
#echo ############ shell:
#ifdef CLK1MHZ
#define SHORTMON
#else
#undef SHORTMON
#endif
/*
#define NOSH
#define NOSYSFKT
*/
#define MON_SHDEV 0
#define MON_MONDEV 1 /* 7 */
#define MON_SHEXE $c0
#define MON_MONEXE $80
#include "sysapps/mon/mon.a65"
.zero
#echo zero
#print *
.data
#echo data:
#print *
.bss
#echo bss:
#print *
.text
/************* boot lsh from BOOTDRV */
#ifdef BOOTDRV
#echo ************ lsh
/* add autostart of lib6502 program 'lsh' */
.(
.word end_auto
.byt PK_LIB+PK_AUTOEXEC+PK_RESTART ; is lib6502 program
.word 0 ; P_ADDR ignored
.byt 16 ; P_RAM
.byt 128 ; P_SHARED
.byt 0 ; P_PRIORITY
.byt 1,1 ; P_DEV
.byt BOOTDRV,":lsh",0,"-d",0,0
end_auto
.)
#endif
/************* end of ROM executables */
.word -1
/************* lib6502 code */
#ifdef USE_LIB6502
/* lib6502 jmp table is below STDIOADDR */
#echo "############ lib6502"
.data:*=$300:.zero:*=8:.bss:*=$400:.text
#include "lib6502/lib6502.a65"
/* #include "stdlib/stdio.a65" */
.zero
#echo zero:
#print *
/* Zerostart must keep save the sh/mon and init variables */
Zerostart =$40 ; * ; only lib6502 and prg - that's it
#print Zerostart
.data
#echo data:
#print *
.bss
#echo bss:
#print *
/* Memstart must keep save the sh/mon and init variables */
Memstart =$500 ; * ; only lib6502 and prg
#print Memstart
.text
Memend = $3000
#endif
/************* fill not used area (I/O, screens) */
#if *>$e7ff
#echo "program too long!, should be $e800 (59392), is"
#print *
ldx ,x
#endif
.dsb $f000-*,<-1
/************* Kernel */
.data:*=$300:.zero:*=8:.bss:*=$600:.text
#echo ############ kernel:
#include "kernel/kernel.a65"
.zero
#echo zero:
#print *
.data
#echo data:
#print *
.bss
#echo bss:
#print *
.text
.)
