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Implemented preliminary S3 ViRGE 2D blitter emulation.

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Misc ViRGE fixes.
Changes to memory mapping.
Changes to PCI handling.
Disabled 'AMI WinBIOS 486 PCI' due to incomplete chipset emulation.
Invalid GUS register reads no longer kill the emulator.
This commit is contained in:
TomW 2014-03-20 14:03:55 +00:00
commit 2ca4ead570
49 changed files with 2078 additions and 700 deletions
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14
src/vid_cl5429.c
View file

@ -4,6 +4,7 @@
#include "device.h"
#include "io.h"
#include "mem.h"
#include "rom.h"
#include "video.h"
#include "vid_cl5429.h"
#include "vid_svga.h"
@ -16,6 +17,8 @@ typedef struct gd5429_t
svga_t svga;
rom_t bios_rom;
uint32_t bank[2];
uint32_t mask;
@ -816,6 +819,8 @@ void *gd5429_init()
svga_t *svga = &gd5429->svga;
memset(gd5429, 0, sizeof(gd5429_t));
rom_init(&gd5429->bios_rom, "roms/5429.vbi", 0xc0000, 0x8000, 0x7fff, 0, 0);
svga_init(&gd5429->svga, gd5429, 1 << 21, /*2mb*/
gd5429_recalctimings,
gd5429_in, gd5429_out,
@ -824,7 +829,7 @@ void *gd5429_init()
mem_mapping_set_handler(&gd5429->svga.mapping, gd5429_read, NULL, NULL, gd5429_write, NULL, NULL);
mem_mapping_set_p(&gd5429->svga.mapping, gd5429);
mem_mapping_add(&gd5429->mmio_mapping, 0, 0, gd5429_mmio_read, NULL, NULL, gd5429_mmio_write, NULL, NULL, gd5429);
mem_mapping_add(&gd5429->mmio_mapping, 0, 0, gd5429_mmio_read, NULL, NULL, gd5429_mmio_write, NULL, NULL, NULL, 0, gd5429);
io_sethandler(0x03c0, 0x0020, gd5429_in, NULL, NULL, gd5429_out, NULL, NULL, gd5429);
@ -836,6 +841,11 @@ void *gd5429_init()
return gd5429;
}
static int gd5429_available()
{
return rom_present("roms/5429.vbi");
}
void gd5429_close(void *p)
{
gd5429_t *gd5429 = (gd5429_t *)p;
@ -872,7 +882,7 @@ device_t gd5429_device =
DEVICE_NOT_WORKING,
gd5429_init,
gd5429_close,
NULL,
gd5429_available,
gd5429_speed_changed,
gd5429_force_redraw,
gd5429_add_status_info