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Added Machine Motherboard Acer100T

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This commit is contained in:
Jose Phillips
2024-06-01 18:39:40 -05:00
parent eb3e2e82a2
commit 066f153dee
8 changed files with 341 additions and 8 deletions
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80
src/video/vid_oak_oti.c
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@@ -36,13 +36,16 @@
#define BIOS_067_M300_08_PATH "roms/machines/m30008/EVC_BIOS.ROM"
#define BIOS_067_M300_15_PATH "roms/machines/m30015/EVC_BIOS.ROM"
#define BIOS_077_PATH "roms/video/oti/oti077.vbi"
#define BIOS_077_ACER100T_PATH "roms/machines/acer100t/oti077_acer100t.BIN"
enum {
OTI_037C = 0,
OTI_067 = 2,
OTI_067_AMA932J = 3,
OTI_067_M300 = 4,
OTI_077 = 5
OTI_077 = 5,
OTI_077_ACER100T = 6
};
typedef struct {
@@ -92,7 +95,7 @@ oti_out(uint16_t addr, uint8_t val, void *priv)
case 0x3c7:
case 0x3c8:
case 0x3c9:
if (oti->chip_id == OTI_077)
if (oti->chip_id == OTI_077 || oti->chip_id == OTI_077_ACER100T)
sc1148x_ramdac_out(addr, 0, val, svga->ramdac, svga);
else
svga_out(addr, val, svga);
@@ -153,7 +156,7 @@ oti_out(uint16_t addr, uint8_t val, void *priv)
mem_mapping_disable(&svga->mapping);
else
mem_mapping_enable(&svga->mapping);
} else if (oti->chip_id == OTI_077) {
} else if (oti->chip_id == OTI_077 || oti->chip_id == OTI_077_ACER100T) {
svga->vram_display_mask = (val & 0x0c) ? oti->vram_mask : 0x3ffff;
switch ((val & 0xc0) >> 6) {
@@ -238,7 +241,7 @@ oti_in(uint16_t addr, void *priv)
case 0x3c7:
case 0x3c8:
case 0x3c9:
if (oti->chip_id == OTI_077)
if (oti->chip_id == OTI_077 || oti->chip_id == OTI_077_ACER100T)
return sc1148x_ramdac_in(addr, 0, svga->ramdac, svga);
return svga_in(addr, svga);
@@ -464,6 +467,12 @@ oti_init(const device_t *info)
oti->pos = 0x08; /* Tell the BIOS the I/O ports are already enabled to avoid a double I/O handler mess. */
io_sethandler(0x46e8, 1, oti_pos_in, NULL, NULL, oti_pos_out, NULL, NULL, oti);
break;
case OTI_077_ACER100T:
romfn = BIOS_077_ACER100T_PATH;
oti->vram_size = device_get_config_int("memory");
oti->pos = 0x08; /* Tell the BIOS the I/O ports are already enabled to avoid a double I/O handler mess. */
io_sethandler(0x46e8, 1, oti_pos_in, NULL, NULL, oti_pos_out, NULL, NULL, oti);
break;
default:
break;
@@ -476,12 +485,19 @@ oti_init(const device_t *info)
oti->vram_mask = (oti->vram_size << 10) - 1;
video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_oti);
if (oti->chip_id == OTI_077_ACER100T){
/* josephillips: Required to show all BIOS
information on Acer 100T only
*/
video_inform(0x1,&timing_oti);
}else{
video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_oti);
}
svga_init(info, &oti->svga, oti, oti->vram_size << 10,
oti_recalctimings, oti_in, oti_out, NULL, NULL);
if (oti->chip_id == OTI_077)
if (oti->chip_id == OTI_077 || oti->chip_id == OTI_077_ACER100T)
oti->svga.ramdac = device_add(&sc11487_ramdac_device); /*Actually a 82c487, probably a clone.*/
io_sethandler(0x03c0, 32,
@@ -489,7 +505,7 @@ oti_init(const device_t *info)
oti->svga.miscout = 1;
oti->svga.packed_chain4 = 1;
return oti;
}
@@ -531,6 +547,12 @@ oti067_ama932j_available(void)
return (rom_present(BIOS_067_AMA932J_PATH));
}
static int
oti077_acer100t_available(void)
{
return (rom_present(BIOS_077_ACER100T_PATH));
}
static int
oti067_077_available(void)
{
@@ -597,6 +619,35 @@ static const device_config_t oti067_ama932j_config[] = {
}
};
static const device_config_t oti077_acer100t_config[] = {
{
.name = "memory",
.description = "Memory size",
.type = CONFIG_SELECTION,
.default_int = 512,
.selection = {
{
.description = "256 kB",
.value = 256
},
{
.description = "512 kB",
.value = 512
},
{
.description = "1 MB",
.value = 1024
},
{
.description = ""
}
}
},
{
.type = CONFIG_END
}
};
static const device_config_t oti077_config[] = {
{
.name = "memory",
@@ -683,6 +734,21 @@ const device_t oti067_ama932j_device = {
.config = oti067_ama932j_config
};
const device_t oti077_acer100t_device = {
.name = "Oak OTI-077 (Acer 100T)",
.internal_name = "oti077_acer100t",
.flags = DEVICE_ISA,
.local = 6,
.init = oti_init,
.close = oti_close,
.reset = NULL,
{ .available = oti077_acer100t_available },
.speed_changed = oti_speed_changed,
.force_redraw = oti_force_redraw,
.config = oti077_acer100t_config
};
const device_t oti077_device = {
.name = "Oak OTI-077",
.internal_name = "oti077",