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

Added correct clock support for S3 Trio64 (Number Nine 9FX).

Browse source 
Seperated TGUI9440 and TVGA8900D implementations.
Modes > 8 bpp now handled more logically in SVGA core.
Fixed broken status window for most SVGA cards.
Masking of address on 'legacy' VGA memory ranges now handled better.
This commit is contained in:
TomW 2013-11-20 21:34:09 +00:00
commit a8b286a2ec
21 changed files with 1382 additions and 937 deletions
Download patch file Download diff file Expand all files Collapse all files

18
src/vid_et4000w32.c
View file

@ -251,7 +251,7 @@ void et4000w32p_recalctimings(svga_t *svga)
svga->hdisp >>= 1;
break;
case 24:
svga->hdisp /= 8;
svga->hdisp /= 3;
break;
}
}
@ -277,30 +277,37 @@ void et4000w32p_recalcmapping(et4000w32p_t *et4000)
case 0x0: case 0x4: case 0x8: case 0xC: /*128k at A0000*/
mem_mapping_set_addr(&svga->mapping, 0xa0000, 0x20000);
mem_mapping_disable(&et4000->mmu_mapping);
svga->banked_mask = 0xffff;
break;
case 0x1: /*64k at A0000*/
mem_mapping_set_addr(&svga->mapping, 0xa0000, 0x10000);
mem_mapping_disable(&et4000->mmu_mapping);
svga->banked_mask = 0xffff;
break;
case 0x2: /*32k at B0000*/
mem_mapping_set_addr(&svga->mapping, 0xb0000, 0x08000);
mem_mapping_disable(&et4000->mmu_mapping);
svga->banked_mask = 0x7fff;
break;
case 0x3: /*32k at B8000*/
mem_mapping_set_addr(&svga->mapping, 0xb8000, 0x08000);
mem_mapping_disable(&et4000->mmu_mapping);
svga->banked_mask = 0x7fff;
break;
case 0x5: case 0x9: case 0xD: /*64k at A0000, MMU at B8000*/
mem_mapping_set_addr(&svga->mapping, 0xa0000, 0x10000);
mem_mapping_set_addr(&et4000->mmu_mapping, 0xb8000, 0x08000);
svga->banked_mask = 0xffff;
break;
case 0x6: case 0xA: case 0xE: /*32k at B0000, MMU at A8000*/
mem_mapping_set_addr(&svga->mapping, 0xb0000, 0x08000);
mem_mapping_set_addr(&et4000->mmu_mapping, 0xa8000, 0x08000);
svga->banked_mask = 0x7fff;
break;
case 0x7: case 0xB: case 0xF: /*32k at B8000, MMU at A8000*/
mem_mapping_set_addr(&svga->mapping, 0xb8000, 0x08000);
mem_mapping_set_addr(&et4000->mmu_mapping, 0xa8000, 0x08000);
svga->banked_mask = 0x7fff;
break;
}
@ -983,6 +990,13 @@ void et4000w32p_force_redraw(void *p)
et4000w32p->svga.fullchange = changeframecount;
}
int et4000w32p_add_status_info(char *s, int max_len, void *p)
{
et4000w32p_t *et4000w32p = (et4000w32p_t *)p;
return svga_add_status_info(s, max_len, &et4000w32p->svga);
}
device_t et4000w32p_device =
{
"Tseng Labs ET4000/w32p",
@ -991,5 +1005,5 @@ device_t et4000w32p_device =
NULL,
et4000w32p_speed_changed,
et4000w32p_force_redraw,
svga_add_status_info
et4000w32p_add_status_info
};