Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Implemented preliminary S3 ViRGE 2D blitter emulation.

Browse source 
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
Download patch file Download diff file Expand all files Collapse all files

12
src/vid_et4000.c
View file

@ -4,6 +4,7 @@
#include "device.h"
#include "io.h"
#include "mem.h"
#include "rom.h"
#include "video.h"
#include "vid_svga.h"
#include "vid_unk_ramdac.h"
@ -15,6 +16,8 @@ typedef struct et4000_t
svga_t svga;
unk_ramdac_t ramdac;
rom_t bios_rom;
uint8_t banking;
} et4000_t;
@ -129,7 +132,9 @@ void *et4000_init()
{
et4000_t *et4000 = malloc(sizeof(et4000_t));
memset(et4000, 0, sizeof(et4000_t));
rom_init(&et4000->bios_rom, "roms/et4000.bin", 0xc0000, 0x8000, 0x7fff, 0, 0);
io_sethandler(0x03c0, 0x0020, et4000_in, NULL, NULL, et4000_out, NULL, NULL, et4000);
svga_init(&et4000->svga, et4000, 1 << 20, /*1mb*/
@ -140,6 +145,11 @@ void *et4000_init()
return et4000;
}
static int et4000_available()
{
return rom_present("roms/et4000.bin");
}
void et4000_close(void *p)
{
et4000_t *et4000 = (et4000_t *)p;