913 lines
30 KiB
C
913 lines
30 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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* ATI 28800 emulation (VGA Charger and Korean VGA)
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*
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*
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*
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* Authors: Sarah Walker, <https://pcem-emulator.co.uk/>
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* Miran Grca, <mgrca8@gmail.com>
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* greatpsycho,
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*
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* Copyright 2008-2018 Sarah Walker.
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* Copyright 2016-2018 Miran Grca.
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* Copyright 2018 greatpsycho.
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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 <stdlib.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 <86box/io.h>
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#include <86box/mem.h>
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#include <86box/rom.h>
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#include <86box/device.h>
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#include <86box/timer.h>
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#include <86box/video.h>
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#include <86box/vid_ati_eeprom.h>
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#include <86box/vid_svga.h>
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#include <86box/vid_svga_render.h>
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#define VGAWONDERXL 1
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#define VGAWONDERXLPLUS 2
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#ifdef USE_XL24
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# define VGAWONDERXL24 3
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#endif /* USE_XL24 */
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#define BIOS_ATIKOR_PATH "roms/video/ati28800/atikorvga.bin"
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#define BIOS_ATIKOR_4620P_PATH_L "roms/machines/spc4620p/31005h.u8"
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#define BIOS_ATIKOR_4620P_PATH_H "roms/machines/spc4620p/31005h.u10"
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#define BIOS_ATIKOR_6033P_PATH "roms/machines/spc6033p/phoenix.BIN"
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#define FONT_ATIKOR_PATH "roms/video/ati28800/ati_ksc5601.rom"
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#define FONT_ATIKOR_4620P_PATH "roms/machines/spc4620p/svb6120a_font.rom"
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#define FONT_ATIKOR_6033P_PATH "roms/machines/spc6033p/svb6120a_font.rom"
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#define BIOS_VGAXL_EVEN_PATH "roms/video/ati28800/xleven.bin"
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#define BIOS_VGAXL_ODD_PATH "roms/video/ati28800/xlodd.bin"
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#ifdef USE_XL24
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# define BIOS_XL24_EVEN_PATH "roms/video/ati28800/112-14318-102.bin"
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# define BIOS_XL24_ODD_PATH "roms/video/ati28800/112-14319-102.bin"
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#endif /* USE_XL24 */
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#define BIOS_ROM_PATH "roms/video/ati28800/bios.bin"
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#define BIOS_VGAXL_ROM_PATH "roms/video/ati28800/ATI_VGAWonder_XL.bin"
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#define BIOS_VGAXL_PLUS_ROM_PATH "roms/video/ati28800/VGAWonder1024D_XL_Plus_VGABIOS_U19.BIN"
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typedef struct ati28800_t {
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svga_t svga;
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ati_eeprom_t eeprom;
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rom_t bios_rom;
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uint8_t regs[256];
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int index;
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uint16_t vtotal;
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uint32_t memory;
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uint8_t id;
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uint8_t port_03dd_val;
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uint16_t get_korean_font_kind;
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int in_get_korean_font_kind_set;
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int get_korean_font_enabled;
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int get_korean_font_index;
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uint16_t get_korean_font_base;
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int ksc5601_mode_enabled;
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int type, type_korean;
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} ati28800_t;
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static video_timings_t timing_ati28800 = { .type = VIDEO_ISA, .write_b = 3, .write_w = 3, .write_l = 6, .read_b = 5, .read_w = 5, .read_l = 10 };
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static video_timings_t timing_ati28800_spc = { .type = VIDEO_ISA, .write_b = 2, .write_w = 2, .write_l = 4, .read_b = 4, .read_w = 4, .read_l = 8 };
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#ifdef ENABLE_ATI28800_LOG
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int ati28800_do_log = ENABLE_ATI28800_LOG;
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static void
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ati28800_log(const char *fmt, ...)
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{
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va_list ap;
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if (ati28800_do_log) {
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va_start(ap, fmt);
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pclog_ex(fmt, ap);
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va_end(ap);
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}
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}
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#else
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# define ati28800_log(fmt, ...)
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#endif
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static void ati28800_recalctimings(svga_t *svga);
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static void
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ati28800_out(uint16_t addr, uint8_t val, void *priv)
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{
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ati28800_t *ati28800 = (ati28800_t *) priv;
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svga_t *svga = &ati28800->svga;
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uint8_t old;
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ati28800_log("ati28800_out : %04X %02X\n", addr, val);
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if (((addr & 0xFFF0) == 0x3D0 || (addr & 0xFFF0) == 0x3B0) && !(svga->miscout & 1))
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addr ^= 0x60;
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switch (addr) {
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case 0x1ce:
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ati28800->index = val;
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break;
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case 0x1cf:
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old = ati28800->regs[ati28800->index];
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ati28800->regs[ati28800->index] = val;
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ati28800_log("ATI 28800 write reg=0x%02X, val=0x%02X\n", ati28800->index, val);
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switch (ati28800->index) {
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case 0xa3:
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if ((old ^ val) & 0x10)
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svga_recalctimings(svga);
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break;
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case 0xa7:
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if ((old ^ val) & 0x80)
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svga_recalctimings(svga);
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break;
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case 0xad:
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if ((old ^ val) & 0x0c)
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svga_recalctimings(svga);
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break;
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case 0xb0:
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if ((old ^ val) & 0x60)
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svga_recalctimings(svga);
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break;
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case 0xb2:
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case 0xbe:
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if (ati28800->regs[0xbe] & 0x08) { /* Read/write bank mode */
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svga->read_bank = (((ati28800->regs[0xb2] & 0x01) << 3) | ((ati28800->regs[0xb2] & 0xe0) >> 5)) * 0x10000;
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svga->write_bank = ((ati28800->regs[0xb2] & 0x1e) >> 1) * 0x10000;
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} else { /* Single bank mode */
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svga->read_bank = ((ati28800->regs[0xb2] & 0x1e) >> 1) * 0x10000;
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svga->write_bank = ((ati28800->regs[0xb2] & 0x1e) >> 1) * 0x10000;
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}
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if (ati28800->index == 0xbe) {
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if ((old ^ val) & 0x10)
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svga_recalctimings(svga);
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}
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break;
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case 0xb3:
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ati_eeprom_write(&ati28800->eeprom, val & 8, val & 2, val & 1);
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break;
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case 0xb6:
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if ((old ^ val) & 0x10)
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svga_recalctimings(svga);
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break;
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case 0xb8:
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if ((old ^ val) & 0x40)
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svga_recalctimings(svga);
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break;
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case 0xb9:
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if ((old ^ val) & 2)
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svga_recalctimings(svga);
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break;
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default:
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break;
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}
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break;
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case 0x3C6:
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case 0x3C7:
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case 0x3C8:
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case 0x3C9:
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if ((ati28800->type == VGAWONDERXL) || (ati28800->type == VGAWONDERXLPLUS))
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sc1148x_ramdac_out(addr, 0, val, svga->ramdac, svga);
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else
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svga_out(addr, val, svga);
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return;
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case 0x3D4:
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svga->crtcreg = val & 0x3f;
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return;
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case 0x3D5:
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if ((svga->crtcreg < 7) && (svga->crtc[0x11] & 0x80))
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return;
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if ((svga->crtcreg == 7) && (svga->crtc[0x11] & 0x80))
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val = (svga->crtc[7] & ~0x10) | (val & 0x10);
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old = svga->crtc[svga->crtcreg];
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svga->crtc[svga->crtcreg] = val;
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if (old != val) {
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if (svga->crtcreg < 0xe || svga->crtcreg > 0x10) {
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if ((svga->crtcreg == 0xc) || (svga->crtcreg == 0xd)) {
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svga->fullchange = 3;
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svga->memaddr_latch = ((svga->crtc[0xc] << 8) | svga->crtc[0xd]) + ((svga->crtc[8] & 0x60) >> 5);
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} else {
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svga->fullchange = changeframecount;
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svga_recalctimings(svga);
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}
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}
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}
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break;
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default:
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break;
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}
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svga_out(addr, val, svga);
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}
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static void
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ati28800k_out(uint16_t addr, uint8_t val, void *priv)
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{
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ati28800_t *ati28800 = (ati28800_t *) priv;
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svga_t *svga = &ati28800->svga;
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uint16_t oldaddr = addr;
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if (((addr & 0xFFF0) == 0x3D0 || (addr & 0xFFF0) == 0x3B0) && !(svga->miscout & 1))
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addr ^= 0x60;
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switch (addr) {
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case 0x1CF:
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if (ati28800->index == 0xBF && ((ati28800->regs[0xBF] ^ val) & 0x20)) {
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ati28800->ksc5601_mode_enabled = val & 0x20;
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svga_recalctimings(svga);
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}
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ati28800_out(oldaddr, val, priv);
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break;
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case 0x3DD:
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ati28800->port_03dd_val = val;
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if (val == 1)
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ati28800->get_korean_font_enabled = 0;
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if (ati28800->in_get_korean_font_kind_set) {
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ati28800->get_korean_font_kind = (val << 8) | (ati28800->get_korean_font_kind & 0xFF);
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ati28800->get_korean_font_enabled = 1;
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ati28800->get_korean_font_index = 0;
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ati28800->in_get_korean_font_kind_set = 0;
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}
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break;
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case 0x3DE:
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ati28800->in_get_korean_font_kind_set = 0;
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if (ati28800->get_korean_font_enabled) {
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if ((ati28800->get_korean_font_base & 0x7F) > 0x20 && (ati28800->get_korean_font_base & 0x7F) < 0x7F) {
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fontdatksc5601_user[(ati28800->get_korean_font_kind & 4) * 24 + (ati28800->get_korean_font_base & 0x7F) - 0x20].chr[ati28800->get_korean_font_index] = val;
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}
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ati28800->get_korean_font_index++;
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ati28800->get_korean_font_index &= 0x1F;
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} else {
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switch (ati28800->port_03dd_val) {
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case 0x10:
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ati28800->get_korean_font_base = ((val & 0x7F) << 7) | (ati28800->get_korean_font_base & 0x7F);
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break;
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case 8:
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ati28800->get_korean_font_base = (ati28800->get_korean_font_base & 0x3F80) | (val & 0x7F);
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break;
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case 1:
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ati28800->get_korean_font_kind = (ati28800->get_korean_font_kind & 0xFF00) | val;
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if (val & 2)
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ati28800->in_get_korean_font_kind_set = 1;
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break;
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default:
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break;
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}
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break;
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}
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break;
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default:
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ati28800_out(oldaddr, val, priv);
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break;
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}
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}
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static uint8_t
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ati28800_in(uint16_t addr, void *priv)
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{
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ati28800_t *ati28800 = (ati28800_t *) priv;
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svga_t *svga = &ati28800->svga;
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uint8_t temp;
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if (addr != 0x3da)
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ati28800_log("ati28800_in : %04X ", addr);
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if (((addr & 0xFFF0) == 0x3D0 || (addr & 0xFFF0) == 0x3B0) && !(svga->miscout & 1))
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addr ^= 0x60;
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switch (addr) {
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case 0x1ce:
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temp = ati28800->index;
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break;
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case 0x1cf:
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switch (ati28800->index) {
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case 0xaa:
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temp = ati28800->id;
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break;
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case 0xb0:
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temp = ati28800->regs[0xb0] | 0x80;
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if (ati28800->memory == 1024) {
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temp &= ~0x10;
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temp |= 0x08;
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} else if (ati28800->memory == 512) {
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temp |= 0x10;
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temp &= ~0x08;
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} else {
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temp &= ~0x18;
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}
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break;
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case 0xb7:
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temp = ati28800->regs[0xb7] & ~8;
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if (ati_eeprom_read(&ati28800->eeprom))
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temp |= 8;
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break;
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default:
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temp = ati28800->regs[ati28800->index];
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break;
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}
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break;
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case 0x3c2:
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if ((svga->vgapal[0].r + svga->vgapal[0].g + svga->vgapal[0].b) >= 0x50)
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temp = 0;
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else
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temp = 0x10;
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break;
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case 0x3C6:
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case 0x3C7:
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case 0x3C8:
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case 0x3C9:
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if ((ati28800->type == VGAWONDERXL) || (ati28800->type == VGAWONDERXLPLUS))
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return sc1148x_ramdac_in(addr, 0, svga->ramdac, svga);
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return svga_in(addr, svga);
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case 0x3D4:
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temp = svga->crtcreg;
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break;
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case 0x3D5:
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temp = svga->crtc[svga->crtcreg];
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break;
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default:
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temp = svga_in(addr, svga);
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break;
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}
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if (addr != 0x3da)
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ati28800_log("%02X\n", temp);
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return temp;
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}
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static uint8_t
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ati28800k_in(uint16_t addr, void *priv)
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{
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ati28800_t *ati28800 = (ati28800_t *) priv;
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const svga_t *svga = &ati28800->svga;
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uint16_t oldaddr = addr;
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uint8_t temp = 0xFF;
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if (addr != 0x3da)
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ati28800_log("ati28800k_in : %04X ", addr);
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if (((addr & 0xFFF0) == 0x3D0 || (addr & 0xFFF0) == 0x3B0) && !(svga->miscout & 1))
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addr ^= 0x60;
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switch (addr) {
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case 0x3DE:
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if (ati28800->get_korean_font_enabled) {
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switch (ati28800->get_korean_font_kind >> 8) {
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case 4: /* ROM font */
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temp = fontdatksc5601[ati28800->get_korean_font_base].chr[ati28800->get_korean_font_index++];
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break;
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case 2: /* User defined font */
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if ((ati28800->get_korean_font_base & 0x7F) > 0x20 && (ati28800->get_korean_font_base & 0x7F) < 0x7F) {
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temp = fontdatksc5601_user[(ati28800->get_korean_font_kind & 4) * 24 + (ati28800->get_korean_font_base & 0x7F) - 0x20].chr[ati28800->get_korean_font_index];
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} else
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temp = 0xFF;
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ati28800->get_korean_font_index++;
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break;
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default:
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break;
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}
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ati28800->get_korean_font_index &= 0x1F;
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}
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break;
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default:
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temp = ati28800_in(oldaddr, priv);
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break;
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}
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if (addr != 0x3da)
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ati28800_log("%02X\n", temp);
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return temp;
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}
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|
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static void
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ati28800_recalctimings(svga_t *svga)
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{
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ati28800_t *ati28800 = (ati28800_t *) svga->priv;
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int clock_sel = 0x00;
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if (ati28800->regs[0xad] & 0x08)
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svga->hblankstart = ((ati28800->regs[0x0d] >> 2) << 8) + svga->crtc[2];
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if (svga->miscout & 0x04)
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clock_sel |= 0x01;
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if (svga->miscout & 0x08)
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clock_sel |= 0x02;
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if (ati28800->regs[0xb9] & 0x02)
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clock_sel |= 0x04;
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if (ati28800->regs[0xbe] & 0x10)
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clock_sel |= 0x08;
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svga->interlace = !!(ati28800->regs[0xbe] & 0x02);
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if (svga->interlace)
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svga->dispend >>= 1;
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if (ati28800->regs[0xa3] & 0x10)
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svga->memaddr_latch |= 0x10000;
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if (ati28800->regs[0xb0] & 0x40)
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svga->memaddr_latch |= 0x20000;
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if (ati28800->regs[0xb8] & 0x40)
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svga->clock *= 2;
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if (ati28800->regs[0xa7] & 0x80)
|
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svga->clock *= 3;
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if ((ati28800->regs[0xb6] & 0x18) >= 0x10) {
|
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svga->hdisp <<= 1;
|
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svga->htotal <<= 1;
|
|
svga->rowoffset <<= 1;
|
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svga->dots_per_clock <<= 1;
|
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svga->gdcreg[5] &= ~0x40;
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}
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|
|
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if (ati28800->regs[0xb0] & 0x20) {
|
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svga->gdcreg[5] |= 0x40;
|
|
if ((ati28800->regs[0xb6] & 0x18) >= 0x10)
|
|
svga->packed_4bpp = 1;
|
|
else
|
|
svga->packed_4bpp = 0;
|
|
} else
|
|
svga->packed_4bpp = 0;
|
|
|
|
if ((ati28800->regs[0xb6] & 0x18) == 8) {
|
|
svga->hdisp <<= 1;
|
|
svga->htotal <<= 1;
|
|
svga->dots_per_clock <<= 1;
|
|
svga->ati_4color = 1;
|
|
} else
|
|
svga->ati_4color = 0;
|
|
|
|
if (!svga->scrblank && svga->attr_palette_enable) {
|
|
svga->clock = (cpuclock * (double) (1ULL << 32)) / svga->getclock(clock_sel ^ 0x08, svga->clock_gen);
|
|
|
|
switch ((ati28800->regs[0xb8] >> 6) & 3) {
|
|
case 0:
|
|
default:
|
|
break;
|
|
case 1:
|
|
svga->clock *= 2.0;
|
|
break;
|
|
case 2:
|
|
svga->clock *= 3.0;
|
|
break;
|
|
case 3:
|
|
svga->clock *= 4.0;
|
|
break;
|
|
}
|
|
|
|
if ((svga->gdcreg[6] & 1) || (svga->attrregs[0x10] & 1)) {
|
|
ati28800_log("SEQREG1 bit 3=%x. gdcreg5 bits 5-6=%02x, 4bit pel=%02x, "
|
|
"planar 16color=%02x, apa mode=%02x, attregs10 bit 7=%02x.\n",
|
|
svga->seqregs[1] & 8, svga->gdcreg[5] & 0x60,
|
|
ati28800->regs[0xb3] & 0x40, ati28800->regs[0xac] & 0x40,
|
|
ati28800->regs[0xb6] & 0x18, ati28800->svga.attrregs[0x10] & 0x80);
|
|
switch (svga->gdcreg[5] & 0x60) {
|
|
case 0x00:
|
|
if (svga->seqregs[1] & 8) /*Low res (320)*/
|
|
svga->render = svga_render_4bpp_lowres;
|
|
else
|
|
svga->render = svga_render_4bpp_highres;
|
|
break;
|
|
case 0x20: /*4 colours*/
|
|
if (svga->seqregs[1] & 8) /*Low res (320)*/
|
|
svga->render = svga_render_2bpp_lowres;
|
|
else
|
|
svga->render = svga_render_2bpp_highres;
|
|
break;
|
|
case 0x40:
|
|
case 0x60: /*256+ colours*/
|
|
switch (svga->bpp) {
|
|
case 8:
|
|
svga->map8 = svga->pallook;
|
|
if (svga->lowres)
|
|
svga->render = svga_render_8bpp_lowres;
|
|
else {
|
|
svga->render = svga_render_8bpp_highres;
|
|
if (!svga->packed_4bpp) {
|
|
svga->memaddr_latch <<= 1;
|
|
svga->rowoffset <<= 1;
|
|
}
|
|
}
|
|
break;
|
|
case 15:
|
|
if (svga->lowres)
|
|
svga->render = svga_render_15bpp_lowres;
|
|
else {
|
|
svga->render = svga_render_15bpp_highres;
|
|
svga->hdisp >>= 1;
|
|
svga->dots_per_clock >>= 1;
|
|
svga->rowoffset <<= 1;
|
|
svga->memaddr_latch <<= 1;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
ati28800k_recalctimings(svga_t *svga)
|
|
{
|
|
const ati28800_t *ati28800 = (ati28800_t *) svga->priv;
|
|
|
|
ati28800_recalctimings(svga);
|
|
|
|
if (svga->render == svga_render_text_80 && ati28800->ksc5601_mode_enabled)
|
|
svga->render = svga_render_text_80_ksc5601;
|
|
}
|
|
|
|
void *
|
|
ati28800k_init(const device_t *info)
|
|
{
|
|
ati28800_t *ati28800 = (ati28800_t *) malloc(sizeof(ati28800_t));
|
|
memset(ati28800, 0, sizeof(ati28800_t));
|
|
|
|
ati28800->type_korean = info->local;
|
|
|
|
if (ati28800->type_korean == 0) {
|
|
ati28800->memory = device_get_config_int("memory");
|
|
video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_ati28800);
|
|
} else {
|
|
ati28800->memory = 512;
|
|
video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_ati28800_spc);
|
|
}
|
|
|
|
ati28800->port_03dd_val = 0;
|
|
ati28800->get_korean_font_base = 0;
|
|
ati28800->get_korean_font_index = 0;
|
|
ati28800->get_korean_font_enabled = 0;
|
|
ati28800->get_korean_font_kind = 0;
|
|
ati28800->in_get_korean_font_kind_set = 0;
|
|
ati28800->ksc5601_mode_enabled = 0;
|
|
|
|
switch (ati28800->type_korean) {
|
|
default:
|
|
case 0:
|
|
rom_init(&ati28800->bios_rom, BIOS_ATIKOR_PATH, 0xc0000, 0x8000, 0x7fff, 0, MEM_MAPPING_EXTERNAL);
|
|
loadfont(FONT_ATIKOR_PATH, 6);
|
|
break;
|
|
case 1:
|
|
rom_init_interleaved(&ati28800->bios_rom, BIOS_ATIKOR_4620P_PATH_L, BIOS_ATIKOR_4620P_PATH_H, 0xc0000,
|
|
0x8000, 0x7fff, 0, MEM_MAPPING_EXTERNAL);
|
|
loadfont(FONT_ATIKOR_4620P_PATH, 6);
|
|
break;
|
|
case 2:
|
|
rom_init(&ati28800->bios_rom, BIOS_ATIKOR_6033P_PATH, 0xc0000, 0x8000, 0x7fff, 0, MEM_MAPPING_EXTERNAL);
|
|
loadfont(FONT_ATIKOR_6033P_PATH, 6);
|
|
break;
|
|
}
|
|
|
|
svga_init(info, &ati28800->svga, ati28800, ati28800->memory << 10, /*Memory size, default 512KB*/
|
|
ati28800k_recalctimings,
|
|
ati28800k_in, ati28800k_out,
|
|
NULL,
|
|
NULL);
|
|
ati28800->svga.clock_gen = device_add(&ati18811_1_28800_device);
|
|
ati28800->svga.getclock = ics2494_getclock;
|
|
|
|
io_sethandler(0x01ce, 0x0002, ati28800k_in, NULL, NULL, ati28800k_out, NULL, NULL, ati28800);
|
|
io_sethandler(0x03c0, 0x0020, ati28800k_in, NULL, NULL, ati28800k_out, NULL, NULL, ati28800);
|
|
|
|
ati28800->svga.miscout = 1;
|
|
ati28800->svga.bpp = 8;
|
|
ati28800->svga.packed_chain4 = 1;
|
|
ati28800->svga.ksc5601_sbyte_mask = 0;
|
|
ati28800->svga.ksc5601_udc_area_msb[0] = 0xC9;
|
|
ati28800->svga.ksc5601_udc_area_msb[1] = 0xFE;
|
|
ati28800->svga.ksc5601_swap_mode = 0;
|
|
ati28800->svga.ksc5601_english_font_type = 0;
|
|
|
|
ati_eeprom_load(&ati28800->eeprom, "atikorvga.nvr", 0);
|
|
|
|
return ati28800;
|
|
}
|
|
|
|
static void *
|
|
ati28800_init(const device_t *info)
|
|
{
|
|
ati28800_t *ati28800;
|
|
ati28800 = malloc(sizeof(ati28800_t));
|
|
memset(ati28800, 0x00, sizeof(ati28800_t));
|
|
|
|
video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_ati28800);
|
|
|
|
ati28800->memory = device_get_config_int("memory");
|
|
|
|
ati28800->type = info->local;
|
|
|
|
switch (ati28800->type) {
|
|
case VGAWONDERXL:
|
|
ati28800->id = 5;
|
|
rom_init(&ati28800->bios_rom,
|
|
BIOS_VGAXL_ROM_PATH,
|
|
0xc0000, 0x8000, 0x7fff,
|
|
0, MEM_MAPPING_EXTERNAL);
|
|
ati28800->svga.ramdac = device_add(&sc11486_ramdac_device);
|
|
break;
|
|
|
|
case VGAWONDERXLPLUS:
|
|
ati28800->id = 6;
|
|
rom_init(&ati28800->bios_rom,
|
|
BIOS_VGAXL_PLUS_ROM_PATH,
|
|
0xc0000, 0x8000, 0x7fff,
|
|
0, MEM_MAPPING_EXTERNAL);
|
|
ati28800->svga.ramdac = device_add(&sc11483_ramdac_device);
|
|
ati28800->memory = 1024;
|
|
break;
|
|
|
|
#ifdef USE_XL24
|
|
case VGAWONDERXL24:
|
|
ati28800->id = 6;
|
|
rom_init_interleaved(&ati28800->bios_rom,
|
|
BIOS_XL24_EVEN_PATH,
|
|
BIOS_XL24_ODD_PATH,
|
|
0xc0000, 0x10000, 0xffff,
|
|
0, MEM_MAPPING_EXTERNAL);
|
|
break;
|
|
#endif /* USE_XL24 */
|
|
|
|
default:
|
|
ati28800->id = 5;
|
|
rom_init(&ati28800->bios_rom,
|
|
BIOS_ROM_PATH,
|
|
0xc0000, 0x8000, 0x7fff,
|
|
0, MEM_MAPPING_EXTERNAL);
|
|
break;
|
|
}
|
|
|
|
svga_init(info, &ati28800->svga, ati28800, ati28800->memory << 10, /*default: 512kb*/
|
|
ati28800_recalctimings,
|
|
ati28800_in, ati28800_out,
|
|
NULL,
|
|
NULL);
|
|
ati28800->svga.clock_gen = device_add(&ati18811_1_28800_device);
|
|
ati28800->svga.getclock = ics2494_getclock;
|
|
|
|
io_sethandler(0x01ce, 2,
|
|
ati28800_in, NULL, NULL,
|
|
ati28800_out, NULL, NULL, ati28800);
|
|
io_sethandler(0x03c0, 32,
|
|
ati28800_in, NULL, NULL,
|
|
ati28800_out, NULL, NULL, ati28800);
|
|
|
|
ati28800->svga.miscout = 1;
|
|
ati28800->svga.bpp = 8;
|
|
ati28800->svga.packed_chain4 = 1;
|
|
|
|
switch (ati28800->type) {
|
|
case VGAWONDERXL:
|
|
ati_eeprom_load(&ati28800->eeprom, "ati28800xl.nvr", 0);
|
|
break;
|
|
|
|
case VGAWONDERXLPLUS:
|
|
ati_eeprom_load(&ati28800->eeprom, "ati28800_wonder1024d_xl_plus.nvr", 0);
|
|
break;
|
|
|
|
#ifdef USE_XL24
|
|
case VGAWONDERXL24:
|
|
ati_eeprom_load(&ati28800->eeprom, "ati28800xl24.nvr", 0);
|
|
break;
|
|
#endif /* USE_XL24 */
|
|
|
|
default:
|
|
ati_eeprom_load(&ati28800->eeprom, "ati28800.nvr", 0);
|
|
break;
|
|
}
|
|
|
|
return ati28800;
|
|
}
|
|
|
|
static int
|
|
ati28800_available(void)
|
|
{
|
|
return (rom_present(BIOS_ROM_PATH));
|
|
}
|
|
|
|
static int
|
|
ati28800k_available(void)
|
|
{
|
|
return (rom_present(BIOS_ATIKOR_PATH) && rom_present(FONT_ATIKOR_PATH));
|
|
}
|
|
|
|
static int
|
|
compaq_ati28800_available(void)
|
|
{
|
|
return (rom_present(BIOS_VGAXL_ROM_PATH));
|
|
}
|
|
|
|
static int
|
|
ati28800_wonder1024d_xl_plus_available(void)
|
|
{
|
|
return (rom_present(BIOS_VGAXL_PLUS_ROM_PATH));
|
|
}
|
|
|
|
#ifdef USE_XL24
|
|
static int
|
|
ati28800_wonderxl24_available(void)
|
|
{
|
|
return (rom_present(BIOS_XL24_EVEN_PATH) && rom_present(BIOS_XL24_ODD_PATH));
|
|
}
|
|
#endif /* USE_XL24 */
|
|
|
|
static void
|
|
ati28800_close(void *priv)
|
|
{
|
|
ati28800_t *ati28800 = (ati28800_t *) priv;
|
|
|
|
svga_close(&ati28800->svga);
|
|
|
|
free(ati28800);
|
|
}
|
|
|
|
static void
|
|
ati28800_speed_changed(void *priv)
|
|
{
|
|
ati28800_t *ati28800 = (ati28800_t *) priv;
|
|
|
|
svga_recalctimings(&ati28800->svga);
|
|
}
|
|
|
|
static void
|
|
ati28800_force_redraw(void *priv)
|
|
{
|
|
ati28800_t *ati28800 = (ati28800_t *) priv;
|
|
|
|
ati28800->svga.fullchange = changeframecount;
|
|
}
|
|
|
|
// clang-format off
|
|
static const device_config_t ati28800_config[] = {
|
|
{
|
|
.name = "memory",
|
|
.description = "Memory size",
|
|
.type = CONFIG_SELECTION,
|
|
.default_string = NULL,
|
|
.default_int = 512,
|
|
.file_filter = NULL,
|
|
.spinner = { 0 },
|
|
.selection = {
|
|
{ .description = "256 KB", .value = 256 },
|
|
{ .description = "512 KB", .value = 512 },
|
|
{ .description = "1 MB", .value = 1024 },
|
|
{ .description = "" }
|
|
},
|
|
.bios = { { 0 } }
|
|
},
|
|
{ .name = "", .description = "", .type = CONFIG_END }
|
|
};
|
|
|
|
#ifdef USE_XL24
|
|
static const device_config_t ati28800_wonderxl_config[] = {
|
|
{
|
|
.name = "memory",
|
|
.description = "Memory size",
|
|
.type = CONFIG_SELECTION,
|
|
.default_string = NULL,
|
|
.default_int = 512,
|
|
.file_filter = NULL,
|
|
.spinner = { 0 },
|
|
.selection = {
|
|
{ .description = "256 KB", .value = 256 },
|
|
{ .description = "512 KB", .value = 512 },
|
|
{ .description = "1 MB", .value = 1024 },
|
|
{ .description = "" }
|
|
},
|
|
.bios = { { 0 } }
|
|
},
|
|
{ .name = "", .description = "", .type = CONFIG_END }
|
|
};
|
|
#endif /* USE_XL24 */
|
|
// clang-format on
|
|
|
|
const device_t ati28800_device = {
|
|
.name = "ATI 28800-5 (ATI VGA Charger)",
|
|
.internal_name = "ati28800",
|
|
.flags = DEVICE_ISA,
|
|
.local = 0,
|
|
.init = ati28800_init,
|
|
.close = ati28800_close,
|
|
.reset = NULL,
|
|
.available = ati28800_available,
|
|
.speed_changed = ati28800_speed_changed,
|
|
.force_redraw = ati28800_force_redraw,
|
|
.config = ati28800_config
|
|
};
|
|
|
|
const device_t ati28800k_device = {
|
|
.name = "ATI Korean VGA",
|
|
.internal_name = "ati28800k",
|
|
.flags = DEVICE_ISA,
|
|
.local = 0,
|
|
.init = ati28800k_init,
|
|
.close = ati28800_close,
|
|
.reset = NULL,
|
|
.available = ati28800k_available,
|
|
.speed_changed = ati28800_speed_changed,
|
|
.force_redraw = ati28800_force_redraw,
|
|
.config = ati28800_config
|
|
};
|
|
|
|
const device_t ati28800k_spc4620p_device = {
|
|
.name = "ATI Korean VGA On-Board SPC-4620P",
|
|
.internal_name = "ati28800k_spc4620p",
|
|
.flags = DEVICE_ISA,
|
|
.local = 1,
|
|
.init = ati28800k_init,
|
|
.close = ati28800_close,
|
|
.reset = NULL,
|
|
.available = NULL,
|
|
.speed_changed = ati28800_speed_changed,
|
|
.force_redraw = ati28800_force_redraw,
|
|
.config = NULL
|
|
};
|
|
|
|
const device_t ati28800k_spc6033p_device = {
|
|
.name = "ATI Korean VGA On-Board SPC-6033P",
|
|
.internal_name = "ati28800k_spc6033p",
|
|
.flags = DEVICE_ISA,
|
|
.local = 2,
|
|
.init = ati28800k_init,
|
|
.close = ati28800_close,
|
|
.reset = NULL,
|
|
.available = NULL,
|
|
.speed_changed = ati28800_speed_changed,
|
|
.force_redraw = ati28800_force_redraw,
|
|
.config = NULL
|
|
};
|
|
|
|
const device_t compaq_ati28800_device = {
|
|
.name = "ATI 28800-5 (ATI VGA Wonder XL)",
|
|
.internal_name = "compaq_ati28800",
|
|
.flags = DEVICE_ISA,
|
|
.local = VGAWONDERXL,
|
|
.init = ati28800_init,
|
|
.close = ati28800_close,
|
|
.reset = NULL,
|
|
.available = compaq_ati28800_available,
|
|
.speed_changed = ati28800_speed_changed,
|
|
.force_redraw = ati28800_force_redraw,
|
|
.config = ati28800_config
|
|
};
|
|
|
|
const device_t ati28800_wonder1024d_xl_plus_device = {
|
|
.name = "ATI 28800-6 (ATI VGA Wonder 1024D XL Plus)",
|
|
.internal_name = "ati28800_wonder1024d_xl_plus",
|
|
.flags = DEVICE_ISA,
|
|
.local = VGAWONDERXLPLUS,
|
|
.init = ati28800_init,
|
|
.close = ati28800_close,
|
|
.reset = NULL,
|
|
.available = ati28800_wonder1024d_xl_plus_available,
|
|
.speed_changed = ati28800_speed_changed,
|
|
.force_redraw = ati28800_force_redraw,
|
|
.config = NULL
|
|
};
|
|
|
|
#ifdef USE_XL24
|
|
const device_t ati28800_wonderxl24_device = {
|
|
.name = "ATI-28800 (VGA Wonder XL24)",
|
|
.internal_name = "ati28800w",
|
|
.flags = DEVICE_ISA,
|
|
.local = VGAWONDERXL24,
|
|
.init = ati28800_init,
|
|
.close = ati28800_close,
|
|
.reset = NULL,
|
|
.available = ati28800_wonderxl24_available,
|
|
.speed_changed = ati28800_speed_changed,
|
|
.force_redraw = ati28800_force_redraw,
|
|
.config = ati28800_wonderxl_config
|
|
};
|
|
#endif /* USE_XL24 */
|