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

Tweaked SB DSP write data ready timing. Fixes SB16 detection on Windows 98.

Browse source
This commit is contained in:
SarahW 2018-04-05 20:54:50 +01:00
commit 8ce9832c16
1 changed files with 3 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/sound_sb_dsp.c
View file

@ -734,11 +734,11 @@ uint8_t sb_read(uint16_t a, void *priv)
// pclog("SB read %02X\n",sbreaddat);
return dsp->sbreaddat;
case 0xC: /*Write data ready*/
if (dsp->sb_8_enable || dsp->sb_type >= SB16 )
dsp->busy_count = (dsp->busy_count + 1) & 15;
if (dsp->sb_8_enable || dsp->sb_type >= SB16)
dsp->busy_count = (dsp->busy_count + 1) & 3;
else
dsp->busy_count = 0;
if (dsp->wb_full || (dsp->busy_count & 8))
if (dsp->wb_full || (dsp->busy_count & 2))
{
dsp->wb_full = dsp->wb_time;
return 0xff;