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

Increase Banshee revision to 3, matching my real CL Banshee card. Removes

Browse source 
the need for any fogTable hack, which is in any case inconsistently applied
by drivers and I think may only be needed on pre-production devices.
This commit is contained in:
SarahW 2020-08-27 08:31:43 +01:00
commit 1915149391
2 changed files with 1 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/vid_voodoo_banshee.c
View file

@ -1808,7 +1808,7 @@ static uint8_t banshee_pci_read(int func, int addr, void *p)
case 0x07: ret = banshee->pci_regs[0x07] & 0x36; break;
case 0x08: ret = 1; break; /*Revision ID*/
case 0x08: ret = 3; break; /*Revision ID*/
case 0x09: ret = 0; break; /*Programming interface*/
case 0x0a: ret = 0x00; break; /*Supports VGA interface*/

3
src/vid_voodoo_reg.c
View file

@ -530,9 +530,6 @@ void voodoo_reg_writel(uint32_t addr, uint32_t val, void *p)
case SST_fogTable18: case SST_fogTable19: case SST_fogTable1a: case SST_fogTable1b:
case SST_fogTable1c: case SST_fogTable1d: case SST_fogTable1e: case SST_fogTable1f:
addr = (addr - SST_fogTable00) >> 1;
if (voodoo->type == VOODOO_BANSHEE)
val = ~val; /*Banshee fog table seems to be inverted. There's a reference
in the glide2x source to a "banshee (rev<3) fogTable hack"*/
voodoo->params.fogTable[addr].dfog = val & 0xff;
voodoo->params.fogTable[addr].fog = (val >> 8) & 0xff;
voodoo->params.fogTable[addr+1].dfog = (val >> 16) & 0xff;