164 lines
4.3 KiB
C
164 lines
4.3 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Implementation of 386DX/486 machines.
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*
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* Authors: Miran Grca, <mgrca8@gmail.com>
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*
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* Copyright 2016-2025 Miran Grca.
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*/
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <wchar.h>
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#define HAVE_STDARG_H
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#include <86box/86box.h>
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#include "cpu.h"
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#include <86box/timer.h>
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#include <86box/io.h>
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#include <86box/device.h>
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#include <86box/chipset.h>
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#include <86box/keyboard.h>
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#include <86box/mem.h>
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#include <86box/nvr.h>
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#include <86box/pci.h>
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#include <86box/dma.h>
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#include <86box/fdd.h>
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#include <86box/fdc.h>
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#include <86box/fdc_ext.h>
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#include <86box/gameport.h>
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#include <86box/pic.h>
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#include <86box/pit.h>
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#include <86box/rom.h>
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#include <86box/sio.h>
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#include <86box/hdc.h>
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#include <86box/port_6x.h>
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#include <86box/port_92.h>
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#include <86box/video.h>
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#include <86box/flash.h>
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#include <86box/scsi_ncr53c8xx.h>
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#include <86box/hwm.h>
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#include <86box/machine.h>
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#include <86box/plat_unused.h>
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#include <86box/sound.h>
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/* ALi M1429G */
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int
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machine_at_exp4349_init(const machine_t *model)
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{
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int ret;
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ret = bios_load_linear("roms/machines/exp4349/biosdump.bin",
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0x000f0000, 65536, 0);
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if (bios_only || !ret)
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return ret;
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machine_at_common_init(model);
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device_add(&ali1429g_device);
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device_add_params(machine_get_kbc_device(machine), (void *) model->kbc_params);
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if (fdc_current[0] == FDC_INTERNAL)
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device_add(&fdc_at_device);
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return ret;
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}
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/* OPTi 495SX */
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int
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machine_at_c747_init(const machine_t *model)
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{
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int ret;
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ret = bios_load_linear("roms/machines/c747/486-C747 Tandon.BIN",
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0x000f0000, 65536, 0);
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if (bios_only || !ret)
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return ret;
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machine_at_common_init(model);
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/* The EFAR chipset is a rebrand of the OPTi 495SX. */
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device_add(&opti495sx_device);
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/*
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No idea what KBC it actually has but this produces the
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desired behavior: command A9 does absolutely nothing.
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*/
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device_add_params(machine_get_kbc_device(machine), (void *) model->kbc_params);
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device_add_params(&um866x_device, (void *) (UM82C862F | UM866X_IDE_PRI));
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return ret;
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}
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static const device_config_t opti495_ami_config[] = {
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// clang-format off
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{
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.name = "bios",
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.description = "BIOS Version",
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.type = CONFIG_BIOS,
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.default_string = "ami495",
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.default_int = 0,
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.file_filter = "",
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.spinner = { 0 },
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.bios = {
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{ .name = "AMI 060692", .internal_name = "ami495", .bios_type = BIOS_NORMAL,
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.files_no = 1, .local = 0, .size = 65536, .files = { "roms/machines/ami495/opt495sx.ami", "" } },
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{ .name = "MR BIOS V1.60", .internal_name = "mr495", .bios_type = BIOS_NORMAL,
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.files_no = 1, .local = 0, .size = 65536, .files = { "roms/machines/ami495/opt495sx.mr", "" } },
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{ .files_no = 0 }
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},
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},
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{ .name = "", .description = "", .type = CONFIG_END }
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// clang-format on
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};
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const device_t opti495_ami_device = {
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.name = "DataExpert SX495",
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.internal_name = "opti495_ami_device",
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.flags = 0,
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.local = 0,
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.init = NULL,
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.close = NULL,
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.reset = NULL,
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.available = NULL,
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.speed_changed = NULL,
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.force_redraw = NULL,
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.config = opti495_ami_config
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};
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int
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machine_at_opti495_ami_init(const machine_t *model)
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{
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int ret = 0;
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const char* fn;
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/* No ROMs available */
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if (!device_available(model->device))
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return ret;
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device_context(model->device);
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fn = device_get_bios_file(machine_get_device(machine), device_get_config_bios("bios"), 0);
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ret = bios_load_linear(fn, 0x000f0000, 65536, 0);
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machine_at_common_init(model);
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device_add(&opti495sx_device);
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device_add_params(machine_get_kbc_device(machine), (void *) model->kbc_params);
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if (fdc_current[0] == FDC_INTERNAL)
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device_add(&fdc_at_device);
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return ret;
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}
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