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IBM PS/ValuePoint 433: Fix on-board ET4000/W32.

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This commit is contained in:
OBattler
2025-11-05 17:36:54 +01:00
parent 61c8b1bb19
commit 6afc72b860
2 changed files with 14 additions and 3 deletions
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12
src/machine/m_at_socket2.c
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@@ -15,6 +15,7 @@
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#define HAVE_STDARG_H
@@ -333,11 +334,13 @@ machine_at_valuepoint433_init(const machine_t *model) // hangs without the PS/2
int ret;
ret = bios_load_linear("roms/machines/valuepoint433/$IMAGEP.FLH",
0x000e0000, 131072, 0);
0x000c0000, 262144, 0);
if (bios_only || !ret)
return ret;
memcpy(&rom[0x00020000], rom, 131072);
machine_at_common_ide_init(model);
device_add(&sis_85c461_device);
if (gfxcard[0] == VID_INTERNAL)
@@ -350,6 +353,13 @@ machine_at_valuepoint433_init(const machine_t *model) // hangs without the PS/2
if (fdc_current[0] == FDC_INTERNAL)
device_add(&fdc_at_device);
if (gfxcard[0] != VID_INTERNAL) {
for (uint16_t i = 0; i < 32768; i++)
rom[i] = mem_readb_phys(0x000c0000 + i);
}
mem_mapping_set_addr(&bios_mapping, 0x0c0000, 0x40000);
mem_mapping_set_exec(&bios_mapping, rom);
return ret;
}

5
src/video/vid_et4000w32.c
View File

@@ -2825,8 +2825,9 @@ et4000w32p_init(const device_t *info)
et4000->rev = ET4000W32;
et4000->ramdac_type = ET4K_SDAC;
rom_init(&et4000->bios_rom, BIOS_ROM_PATH_W32_MACHSPEED_VGA_GUI_2400S, 0xc0000, 0x8000, 0x7fff, 0,
MEM_MAPPING_EXTERNAL);
if (!(info->local & 0x100))
rom_init(&et4000->bios_rom, BIOS_ROM_PATH_W32_MACHSPEED_VGA_GUI_2400S, 0xc0000, 0x8000, 0x7fff, 0,
MEM_MAPPING_EXTERNAL);
et4000->svga.ramdac = device_add(&tseng_ics5301_ramdac_device);
et4000->svga.clock_gen = et4000->svga.ramdac;