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

Improvements to PC speaker - fixes sound on Beyond Castle Wolfenstein and probably other games as well.

Browse source
This commit is contained in:
TomW 2014-07-16 20:44:29 +01:00
commit 67cb9e3781
8 changed files with 35 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

7
src/keyboard_pcjr.c
View file

@ -124,9 +124,10 @@ void keyboard_pcjr_write(uint16_t port, uint8_t val, void *priv)
case 0x61:
keyboard_pcjr.pb = val;
gated = ((val & 3) == 3);
if (gated)
wasgated = 1;
speaker_gated = val & 1;
speaker_enable = val & 2;
if (speaker_enable)
was_speaker_enable = 1;
pit_set_gate(2, val & 1);
sn76489_mute = speaker_mute = 1;
switch (val & 0x60)