/* * 86Box A hypervisor and IBM PC system emulator that specializes in * running old operating systems and software designed for IBM * PC systems and compatibles from 1981 through fairly recent * system designs based on the PCI bus. * * This file is part of the 86Box distribution. * * Standard PC/AT implementation. * * * * Authors: Fred N. van Kempen, * Miran Grca, * Sarah Walker, * * Copyright 2017-2020 Fred N. van Kempen. * Copyright 2016-2020 Miran Grca. * Copyright 2008-2020 Sarah Walker. * * 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. * 59 Temple Place - Suite 330 * Boston, MA 02111-1307 * USA. */ #include #include #include #include #include <86box/86box.h> #include <86box/timer.h> #include <86box/pic.h> #include <86box/pit.h> #include <86box/dma.h> #include <86box/mem.h> #include <86box/device.h> #include <86box/fdd.h> #include <86box/fdc.h> #include <86box/fdc_ext.h> #include <86box/nvr.h> #include <86box/gameport.h> #include <86box/keyboard.h> #include <86box/lpt.h> #include <86box/rom.h> #include <86box/hdc.h> #include <86box/port_6x.h> #include <86box/machine.h> void machine_at_common_init_ex(const machine_t *model, int type) { machine_common_init(model); refresh_at_enable = 1; pit_devs[0].set_out_func(pit_devs[0].data, 1, pit_refresh_timer_at); pic2_init(); dma16_init(); if (!(type & 4)) device_add(&port_6x_device); type &= 3; if (type == 1) device_add(&ibmat_nvr_device); else if (type == 0) device_add(&at_nvr_device); standalone_gameport_type = &gameport_device; } void machine_at_common_init(const machine_t *model) { machine_at_common_init_ex(model, 0); } void machine_at_init(const machine_t *model) { machine_at_common_init(model); device_add(&keyboard_at_device); } static void machine_at_ibm_common_init(const machine_t *model) { machine_at_common_init_ex(model, 1); device_add(&keyboard_at_device); mem_remap_top(384); if (fdc_type == FDC_INTERNAL) device_add(&fdc_at_device); } void machine_at_ps2_init(const machine_t *model) { machine_at_common_init(model); device_add(&keyboard_ps2_device); } void machine_at_common_ide_init(const machine_t *model) { machine_at_common_init(model); device_add(&ide_isa_device); } void machine_at_ibm_common_ide_init(const machine_t *model) { machine_at_common_init_ex(model, 1); device_add(&ide_isa_device); } void machine_at_ide_init(const machine_t *model) { machine_at_init(model); device_add(&ide_isa_device); } void machine_at_ps2_ide_init(const machine_t *model) { machine_at_ps2_init(model); device_add(&ide_isa_device); } int machine_at_ibm_init(const machine_t *model) { int ret; ret = bios_load_interleaved("roms/machines/ibmat/62x0820.u27", "roms/machines/ibmat/62x0821.u47", 0x000f0000, 65536, 0); if (bios_only || !ret) return ret; machine_at_ibm_common_init(model); return ret; } /* IBM AT machines with custom BIOSes */ int machine_at_ibmatquadtel_init(const machine_t *model) { int ret; ret = bios_load_interleaved("roms/machines/ibmatquadtel/BIOS_30MAR90_U27_QUADTEL_ENH_286_BIOS_3.05.01_27256.BIN", "roms/machines/ibmatquadtel/BIOS_30MAR90_U47_QUADTEL_ENH_286_BIOS_3.05.01_27256.BIN", 0x000f0000, 65536, 0); if (bios_only || !ret) return ret; machine_at_ibm_common_init(model); return ret; } int machine_at_ibmatami_init(const machine_t *model) { int ret; ret = bios_load_interleaved("roms/machines/ibmatami/BIOS_5170_30APR89_U27_AMI_27256.BIN", "roms/machines/ibmatami/BIOS_5170_30APR89_U47_AMI_27256.BIN", 0x000f0000, 65536, 0); if (bios_only || !ret) return ret; machine_at_ibm_common_init(model); return ret; } int machine_at_ibmatpx_init(const machine_t *model) { int ret; ret = bios_load_interleaved("roms/machines/ibmatpx/BIOS ROM - PhoenixBIOS A286 - Version 1.01 - Even.bin", "roms/machines/ibmatpx/BIOS ROM - PhoenixBIOS A286 - Version 1.01 - Odd.bin", 0x000f0000, 65536, 0); if (bios_only || !ret) return ret; machine_at_ibm_common_init(model); return ret; } int machine_at_ibmxt286_init(const machine_t *model) { int ret; ret = bios_load_interleaved("roms/machines/ibmxt286/bios_5162_21apr86_u34_78x7460_27256.bin", "roms/machines/ibmxt286/bios_5162_21apr86_u35_78x7461_27256.bin", 0x000f0000, 65536, 0); if (bios_only || !ret) return ret; machine_at_ibm_common_init(model); return ret; } int machine_at_siemens_init(const machine_t *model) { int ret; ret = bios_load_linear("roms/machines/siemens/286BIOS.BIN", 0x000f0000, 65536, 0); if (bios_only || !ret) return ret; machine_at_ibm_common_init(model); return ret; } #if defined(DEV_BRANCH) && defined(USE_OPEN_AT) int machine_at_openat_init(const machine_t *model) { int ret; ret = bios_load_linear("roms/machines/openat/bios.bin", 0x000f0000, 65536, 0); if (bios_only || !ret) return ret; machine_at_ibm_common_init(model); return ret; } #endif