Viewing Issue Advanced Details
ID Category [?] Severity [?] Reproducibility Date Submitted Last Update
04061 Sound Minor Always Sep 24, 2010, 07:20 Sep 17, 2015, 18:28
Tester M.A.S.H. View Status Public Platform MAME (Self-compiled)
Assigned To Resolution Open OS
Status [?] Confirmed Driver quasar.cpp
Version 0.139u3 Fixed in Version Build Normal
Summary 04061: quasar: Missing sound effects
Description The boot/start sound and the alien shoot sound is missing in Quasar since MAME 0.127u1.
Source: drivers\quasar.c was changed and i think it has something todo with
a missing soundlatch clear (see snapshot).
Steps To Reproduce Start MAME 0.127 with Quasar and you can hear the start sound.
Then compare it with MAME 0.127u1.
Additional Information
Regression Version 0.127u1
Affected Sets / Systems quasar
Attached Files
png file icon MAME0127-0127u1-Quasar-Driver.png (29,160 bytes) Sep 24, 2010, 07:20
There are no relationsihp linked to this issue.
User avatar
Sep 15, 2015, 10:39
Is the shoot sound still missing? It seems to be there for me, if there isn't an explosion sound already playing.
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Senior Tester
Sep 15, 2015, 23:50
The shoot sounds from the aliens are missing and not the player shoot sound.
My report was not correct. I fixed it!
User avatar
Sep 16, 2015, 11:09
Ah I misunderstood the report, thanks for clarifying!

Adding "soundlatch_byte_w(space, 0, 0);" in quasar_sh_command_r does restore the missing sound of the enemy shots, but Aaron must have removed it for a reason.
User avatar
Sep 17, 2015, 04:48
Footage from US Billiards (Zaccaria) set:
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Senior Tester
Sep 17, 2015, 18:28
edited on: Sep 17, 2015, 18:36
IIRC there's a comment in the driver by Aaron where it says that he's following probably wrong schematics.... So maybe that soundlatch write should be there and was wrongly removed.

EDIT: here it is:
// not necessarily like this, but it seems to work better than direct mapping
// (although schematics has it as direct - but then the schematics are wrong elsewhere to!)

Also this note at the top of the driver:
- Sound (missing invader effect - still not sure all noise in correct places)