80486DX2-66/86Box-fork
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Removed IDE from the Mega PC

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This commit is contained in:
Panagiotis
2021-01-24 11:23:11 +02:00
committed by GitHub
parent d6d5bcd283
commit 3aabb7c2d8
1 changed files with 47 additions and 232 deletions
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273
src/machine/m_at_286_386sx.c
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@@ -35,7 +35,6 @@
#include <86box/rom.h>
#include <86box/fdd.h>
#include <86box/fdc.h>
#include <86box/fdc_ext.h>
#include <86box/hdc.h>
#include <86box/sio.h>
#include <86box/serial.h>
@@ -475,7 +474,7 @@ machine_at_wd76c10_init(const machine_t *model)
if (bios_only || !ret)
return ret;
machine_at_common_ide_init(model);
machine_at_common_init(model);
device_add(&keyboard_ps2_quadtel_device);
@@ -672,9 +671,50 @@ machine_at_pja511m_init(const machine_t *model)
}
#endif
static uint8_t
m290_read(uint16_t port, void *priv)
{
uint8_t ret = 0x0;
switch (port) {
/*
* port 69:
* dip-switch bank on mainboard (off=1)
* bit 3 - use OCG/CGA display adapter (off) / other display adapter (on)
*/
case 0x69:
if(video_is_cga())
ret |= 0x8|0x4;
ret |= 0x1|0x2;
}
return (ret);
}
int
machine_at_olim290_init(const machine_t *model)
{
int ret;
ret = bios_load_linear(L"roms/machines/olivetti_m290/m290_pep3_1.25.bin",
0x000f0000, 65536, 0);
if (bios_only || !ret)
return ret;
machine_at_common_init(model);
device_add(&keyboard_at_device);
device_add(&fdc_at_device);
io_sethandler(0x069, 1, m290_read, NULL, NULL, NULL, NULL, NULL, NULL);
return ret;
}
/*
* Current bugs:
* - soft-reboot after saving CMOS settings/pressing ctrl-alt-del produces an 8042 error
* - ctrl-alt-del produces an 8042 error
*/
int
machine_at_ncrpc8_init(const machine_t *model)
@@ -690,23 +730,14 @@ machine_at_ncrpc8_init(const machine_t *model)
machine_at_common_init(model);
device_add(&keyboard_at_ncr_device);
mem_remap_top(384);
if (fdc_type == FDC_INTERNAL)
device_add(&fdc_at_device);
return ret;
}
const device_t *
at_ncr3302_get_device(void)
{
return &paradise_pvga1a_ncr3302_device;
}
/*
* Current bugs:
* - soft-reboot after saving CMOS settings/pressing ctrl-alt-del produces an 8042 error
* - ctrl-alt-del produces an 8042 error
*/
int
machine_at_ncr3302_init(const machine_t *model)
@@ -727,226 +758,10 @@ machine_at_ncr3302_init(const machine_t *model)
machine_at_common_ide_init(model);
device_add(&neat_device);
device_add(&keyboard_at_ncr_device);
if (fdc_type == FDC_INTERNAL)
device_add(&fdc_at_device);
if (gfxcard == VID_INTERNAL)
device_add(&paradise_pvga1a_ncr3302_device);
return ret;
}
/*
* Current bugs:
* - soft-reboot after saving CMOS settings/pressing ctrl-alt-del produces an 8042 error
*/
int
machine_at_ncrpc916sx_init(const machine_t *model)
{
int ret;
ret = bios_load_interleaved(L"roms/machines/ncr_pc916sx/ncr_386sx_u46-17_7.3.bin",
L"roms/machines/ncr_pc916sx/ncr_386sx_u12-19_7.3.bin",
0x000f0000, 65536, 0);
if (bios_only || !ret)
return ret;
machine_at_common_init(model);
device_add(&keyboard_at_ncr_device);
mem_remap_top(384);
if (fdc_type == FDC_INTERNAL)
device_add(&fdc_at_device);
return ret;
}
/*
* Current bugs:
* - no EMS management due to missing chipset implementation (custom ASIC)
*/
int
machine_at_olim290_init(const machine_t *model)
{
int ret;
ret = bios_load_linear(L"roms/machines/olivetti_m290/m290_pep3_1.25.bin",
0x000f0000, 65536, 0);
if (bios_only || !ret)
return ret;
machine_at_common_init(model);
device_add(&keyboard_at_olivetti_device);
if (fdc_type == FDC_INTERNAL)
device_add(&fdc_at_device);
device_add(&olivetti_m290_registers_device);
return ret;
}
/*
* Current bugs:
* - no EMS management due to missing chipset implementation (unidentified chip)
*/
int
machine_at_olim290s_init(const machine_t *model)
{
int ret;
ret = bios_load_interleaved(L"roms/machines/olivetti_m290s/286-olivetti-m203-low.bin",
L"roms/machines/olivetti_m290s/286-olivetti-m203-high.bin",
0x000e0000, 131072, 0);
if (bios_only || !ret)
return ret;
machine_at_common_ide_init(model);
/* replace with correct chipset implementation */
mem_remap_top(384);
device_add(&keyboard_ps2_olivetti_device);
device_add(&fdc_at_device);
/* should use custom BIOS */
if (gfxcard == VID_INTERNAL)
device_add(&paradise_pvga1a_device);
return ret;
}
const device_t *
at_m300_08_get_device(void)
{
return &oti067_m300_device;
}
int
machine_at_olim300_08_init(const machine_t *model)
{
int ret;
ret = bios_load_linear(L"roms/machines/olivetti_m300_08/BIOS.ROM",
0x000f0000, 65536, 0);
if (bios_only || !ret)
return ret;
machine_at_common_init(model);
device_add(&opti283_device);
device_add(&keyboard_ps2_olivetti_device);
device_add(&pc87310_ide_device);
if (gfxcard == VID_INTERNAL)
device_add(&oti067_m300_device);
return ret;
}
/* Almost identical to M300-08, save for CPU speed, VRAM, and BIOS identification string */
int
machine_at_olim300_15_init(const machine_t *model)
{
int ret;
ret = bios_load_linear(L"roms/machines/olivetti_m300_15/BIOS.ROM",
0x000f0000, 65536, 0);
if (bios_only || !ret)
return ret;
machine_at_common_init(model);
device_add(&opti283_device);
device_add(&keyboard_ps2_olivetti_device);
device_add(&pc87310_ide_device);
/* Stock VRAM is maxed out, so no need to expose video card config */
if (gfxcard == VID_INTERNAL)
device_add(&oti067_m300_device);
return ret;
}
/*
* Current bugs:
* - soft-reboot causes a fatal error
* - BIOS complains about FPU if not installed, pressing F1 allows to continue booting.
* - BIOS throws a cache memory error (since L2 cache is not implemented yet), pressing F1 allows to continue booting.
* - no shadow memory due to missing chipset implementation (custom ASIC)
*/
//todo: check if fdc can be disabled
int
machine_at_olim300_10_init(const machine_t *model)
{
int ret;
ret = bios_load_linear(L"roms/machines/olivetti_m300_10/BIOS.ROM",
0x000f0000, 65536, 0);
if (bios_only || !ret)
return ret;
machine_at_common_ide_init(model);
/* replace with correct chipset implementation */
mem_remap_top(384);
device_add(&keyboard_ps2_olivetti_device);
/* fdc should be dp8473, however it does not work. Instead, standard AT fdc works. */
device_add(&fdc_at_device);
/* should be a PVGA1B/WD90C00 with custom BIOS */
if (gfxcard == VID_INTERNAL)
device_add(&paradise_wd90c11_device);
return ret;
}
/*
* Current bugs:
* - soft-reboot causes a fatal error
* - BIOS complains about FPU if not installed, pressing F1 allows to continue booting.
* - no shadow memory due to missing chipset implementation (custom ASIC)
*/
int
machine_at_olim300_05_init(const machine_t *model)
{
int ret;
ret = bios_load_linear(L"roms/machines/olivetti_m300_05/BIOS.ROM",
0x000f0000, 65536, 0);
if (bios_only || !ret)
return ret;
machine_at_common_ide_init(model);
/* replace with correct chipset implementation */
mem_remap_top(384);
device_add(&keyboard_ps2_olivetti_device);
/* fdc should be dp8473, however it does not work. Instead, standard AT fdc works. */
device_add(&fdc_at_device);
/* should be a PVGA1B/WD90C00 with custom BIOS */
if (gfxcard == VID_INTERNAL)
device_add(&paradise_wd90c11_device);
return ret;
}