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Add the Dell System 333s/L.

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This commit is contained in:
OBattler
2025-05-28 19:41:27 +02:00
parent e9c7795c7a
commit 9ebcc44350
9 changed files with 152 additions and 11 deletions
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2
src/chipset/scamp.c
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@@ -1177,7 +1177,7 @@ scamp_init(UNUSED(const device_t *info))
dev->mem_flags[i] = MEM_FLAG_READ | MEM_FLAG_WRITE;
scamp_mem_update_state(dev, i * EMS_PGSIZE, EMS_PGSIZE, 0x00, MEM_FMASK_RW);
if (i >= 60)
if (i >= 56)
scamp_mem_update_state(dev, i * EMS_PGSIZE, EMS_PGSIZE, MEM_FLAG_ROMCS, MEM_FMASK_ROMCS);
}
}

13
src/device/kbc_at.c
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@@ -1079,7 +1079,14 @@ write_cmd_generic(void *priv, uint8_t val)
/* The SMM handlers of Intel AMI Pentium BIOS'es expect bit 6 to be set. */
if ((kbc_ven == KBC_VEN_AMI) && ((dev->flags & KBC_TYPE_MASK) == KBC_TYPE_GREEN))
fixed_bits |= 0x40;
if (kbc_ven == KBC_VEN_IBM_PS1) {
if (!strcmp(machine_get_internal_name(), "dells333sl")) {
/*
Dell System 333s/L:
- Bit 5: Stuck in reboot loop if clear.
*/
uint8_t p1 = 0x20 | (video_is_mda() ? 0x40 : 0x00);
kbc_delay_to_ob(dev, p1, 0, 0x00);
} else if (kbc_ven == KBC_VEN_IBM_PS1) {
current_drive = fdc_get_current_drive();
/* (B0 or F0) | (fdd_is_525(current_drive) on bit 6) */
kbc_delay_to_ob(dev, dev->p1 | fixed_bits | (fdd_is_525(current_drive) ? 0x40 : 0x00),
@@ -1114,7 +1121,7 @@ write_cmd_generic(void *priv, uint8_t val)
Dell 466/NP:
- Bit 2: Keyboard fuse (must be set);
- Bit 4: Password disable jumper (must be clear);
- Bit 5: Manufacturing jumper (must be set);
- Bit 5: Manufacturing jumper (must be set).
*/
uint8_t p1 = 0x24;
kbc_delay_to_ob(dev, p1, 0, 0x00);
@@ -1123,7 +1130,7 @@ write_cmd_generic(void *priv, uint8_t val)
Dell OptiPlex GXL/GXM:
- Bit 3: Password disable jumper (must be clear);
- Bit 4: Keyboard fuse (must be set);
- Bit 5: Manufacturing jumper (must be set);
- Bit 5: Manufacturing jumper (must be set).
*/
uint8_t p1 = 0x30;
kbc_delay_to_ob(dev, p1, 0, 0x00);

8
src/device/postcard.c
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@@ -100,7 +100,8 @@ postcard_setui(void)
break;
}
} else if (strstr(machines[machine].name, " Dell ") &&
(machine_get_chipset(machine) >= MACHINE_CHIPSET_INTEL_430FX)) {
((machine_get_chipset(machine) >= MACHINE_CHIPSET_INTEL_430FX) ||
(machine_get_chipset(machine) >= MACHINE_CHIPSET_VLSI_SCAMP))) {
char dell_diags[10] = { 0 };
if (!postcard_written[1])
@@ -225,8 +226,9 @@ postcard_init(UNUSED(const device_t *info))
NULL, NULL, NULL, postcard_write, NULL, NULL, NULL);
if (strstr(machines[machine].name, " Dell ") &&
(machine_get_chipset(machine) >= MACHINE_CHIPSET_INTEL_430FX))
io_sethandler(0x00e0, 0x0001,
((machine_get_chipset(machine) >= MACHINE_CHIPSET_INTEL_430FX) ||
(machine_get_chipset(machine) >= MACHINE_CHIPSET_VLSI_SCAMP)))
io_sethandler(is486 ? 0x00e0 : 0x00e4, 0x0001,
NULL, NULL, NULL, NULL, NULL, postcard_writel, NULL);
return postcard_write;

1
src/include/86box/machine.h
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@@ -485,6 +485,7 @@ extern int machine_at_adi386sx_init(const machine_t *);
extern int machine_at_cmdsl386sx16_init(const machine_t *);
extern int machine_at_cmdsl386sx25_init(const machine_t *);
extern int machine_at_dataexpert386sx_init(const machine_t *);
extern int machine_at_dells333sl_init(const machine_t *);
extern int machine_at_if386sx_init(const machine_t *);
extern int machine_at_spc6033p_init(const machine_t *);
extern int machine_at_wd76c10_init(const machine_t *);

1
src/include/86box/video.h
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@@ -356,6 +356,7 @@ extern const device_t gd5401_isa_device;
extern const device_t gd5402_isa_device;
extern const device_t gd5402_onboard_device;
extern const device_t gd5420_isa_device;
extern const device_t gd5420_onboard_device;
extern const device_t gd5422_isa_device;
extern const device_t gd5424_vlb_device;
extern const device_t gd5426_isa_device;

70
src/machine/m_at_286_386sx.c
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@@ -37,6 +37,7 @@
#include <86box/hdc.h>
#include <86box/nvr.h>
#include <86box/port_6x.h>
#define USE_SIO_DETECT
#include <86box/sio.h>
#include <86box/serial.h>
#include <86box/video.h>
@@ -760,6 +761,75 @@ machine_at_cmdsl386sx25_init(const machine_t *model)
return ret;
}
static const device_config_t dells333sl_config[] = {
// clang-format off
{
.name = "bios",
.description = "BIOS Version",
.type = CONFIG_BIOS,
.default_string = "dells333sl",
.default_int = 0,
.file_filter = "",
.spinner = { 0 },
.bios = {
{ .name = "J01 (Jostens Learning Corporation OEM)", .internal_name = "dells333sl_j01", .bios_type = BIOS_NORMAL,
.files_no = 1, .local = 0, .size = 131072, .files = { "roms/machines/dells333sl/DELL386.BIN", "" } },
{ .name = "A02", .internal_name = "dells333sl", .bios_type = BIOS_NORMAL,
.files_no = 1, .local = 0, .size = 131072, .files = { "roms/machines/dells333sl/Dell_386SX_30807_UBIOS_B400_VLSI_VL82C311_Cirrus_Logic_GD5420.bin", "" } },
{ .files_no = 0 }
},
},
{ .name = "", .description = "", .type = CONFIG_END }
// clang-format on
};
const device_t dells333sl_device = {
.name = "Dell System 333s/L",
.internal_name = "dells333sl_device",
.flags = 0,
.local = 0,
.init = NULL,
.close = NULL,
.reset = NULL,
.available = NULL,
.speed_changed = NULL,
.force_redraw = NULL,
.config = dells333sl_config
};
int
machine_at_dells333sl_init(const machine_t *model)
{
int ret = 0;
const char* fn;
/* No ROMs available */
if (!device_available(model->device))
return ret;
device_context(model->device);
fn = device_get_bios_file(machine_get_device(machine), device_get_config_bios("bios"), 0);
ret = bios_load_linear(fn, 0x000e0000, 262144, 0);
memcpy(rom, &(rom[0x00020000]), 131072);
mem_mapping_set_addr(&bios_mapping, 0x0c0000, 0x40000);
mem_mapping_set_exec(&bios_mapping, rom);
device_context_restore();
if (gfxcard[0] == VID_INTERNAL)
device_add(machine_get_vid_device(machine));
machine_at_common_init_ex(model, 2);
device_add(&ide_isa_device);
device_add(&pc87311_device);
device_add(&vl82c113_device); /* The keyboard controller is part of the VL82c113. */
device_add(&vlsi_scamp_device);
return ret;
}
int
machine_at_dataexpert386sx_init(const machine_t *model)
{

42
src/machine/machine_table.c
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@@ -66,6 +66,7 @@ extern const device_t vendex_device;
extern const device_t c5sbm2_device;
extern const device_t sb486pv_device;
extern const device_t ap5s_device;
extern const device_t dells333sl_device;
const machine_filter_t machine_types[] = {
{ "None", MACHINE_TYPE_NONE },
@@ -4942,6 +4943,47 @@ const machine_t machines[] = {
.snd_device = NULL,
.net_device = NULL
},
/* No proper pictures of the KBC exist, though it seems to have the IBM AT KBC
firmware. */
{
.name = "[SCAMP] Dell System 333s/L",
.internal_name = "dells333sl",
.type = MACHINE_TYPE_386SX,
.chipset = MACHINE_CHIPSET_VLSI_SCAMP,
.init = machine_at_dells333sl_init,
.p1_handler = NULL,
.gpio_handler = NULL,
.available_flag = MACHINE_AVAILABLE,
.gpio_acpi_handler = NULL,
.cpu = {
.package = CPU_PKG_386SX,
.block = CPU_BLOCK_NONE,
.min_bus = 10000000,
.max_bus = 33333333,
.min_voltage = 0,
.max_voltage = 0,
.min_multi = 0,
.max_multi = 0
},
.bus_flags = MACHINE_PS2,
.flags = MACHINE_IDE | MACHINE_VIDEO,
.ram = {
.min = 1024,
.max = 16384,
.step = 128
},
.nvrmask = 127,
.kbc_device = NULL,
.kbc_p1 = 0xff,
.gpio = 0xffffffff,
.gpio_acpi = 0xffffffff,
.device = &dells333sl_device,
.fdc_device = NULL,
.sio_device = NULL,
.vid_device = &gd5420_onboard_device,
.snd_device = NULL,
.net_device = NULL
},
/* Has IBM PS/2 Type 1 KBC firmware. */
{
.name = "[SCAMP] Samsung SPC-6033P",

7
src/sio/sio_detect.c
View File

@@ -47,11 +47,12 @@ sio_detect_write(uint16_t port, uint8_t val, void *priv)
static uint8_t
sio_detect_read(uint16_t port, void *priv)
{
const sio_detect_t *dev = (sio_detect_t *) priv;
/*const sio_detect_t *dev = (sio_detect_t *) priv*/;
uint8_t ret = 0xff /*dev->regs[port & 1]*/;
pclog("sio_detect_read : port=%04x = %02X\n", port, dev->regs[port & 1]);
pclog("sio_detect_read : port=%04x = %02X\n", port, ret);
return 0xff /*dev->regs[port & 1]*/;
return ret;
}
static void

19
src/video/vid_cl54xx.c
View File

@@ -4247,7 +4247,10 @@ gd54xx_init(const device_t *info)
break;
case CIRRUS_ID_CLGD5420:
romfn = BIOS_GD5420_PATH;
if (info->local & 0x200)
romfn = NULL;
else
romfn = BIOS_GD5420_PATH;
break;
case CIRRUS_ID_CLGD5422:
@@ -4978,6 +4981,20 @@ const device_t gd5420_isa_device = {
.config = gd542x_config,
};
const device_t gd5420_onboard_device = {
.name = "Cirrus Logic GD5420 (ISA)",
.internal_name = "cl_gd5420_isa",
.flags = DEVICE_ISA16,
.local = CIRRUS_ID_CLGD5420 | 0x200,
.init = gd54xx_init,
.close = gd54xx_close,
.reset = gd54xx_reset,
.available = NULL,
.speed_changed = gd54xx_speed_changed,
.force_redraw = gd54xx_force_redraw,
.config = gd542x_config,
};
const device_t gd5422_isa_device = {
.name = "Cirrus Logic GD5422 (ISA)",
.internal_name = "cl_gd5422_isa",