Viewing Issue Advanced Details
ID Category [?] Severity [?] Reproducibility Date Submitted Last Update
06034 Sound Minor Always Sep 23, 2015, 20:11 23 days ago
Tester kazblox View Status Public Platform
Assigned To Resolution Open OS Windows Vista/7/8 (64-bit)
Status [?] Confirmed Driver apple2gs.cpp
Version 0.165 Fixed in Version Build 64-bit
Summary MESS-specific 06034: apple2gs and clones: improper startup sound
Description The startup sound of an Apple IIGS uses a volume decay trick with the polarity clicker output that MAME can't handle.
Steps To Reproduce 1. Start apple2gs or a clone
Additional Information
Flags Verified with Original
Regression Version
Affected Sets / Systems apple2gs and clones
Attached Files
wav file icon KEGS.wav (96,082 bytes) Sep 24, 2015, 20:49 Uploaded by kazblox
KEGS
mp3 file icon iigs_pcb_elgato.mp3 (27,166 bytes) Jun 30, 2018, 21:13 Uploaded by kazblox
YT video of Elgato capture
mp3 file icon mame_iigs_mp3.mp3 (15,672 bytes) Jun 30, 2018, 21:14 Uploaded by kazblox
MAME output
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Notes
5
User avatar
No.12042
NekoEd
Senior Tester
Sep 23, 2015, 23:41
I can't hear it in the second video; can you provide a better video for reference?
User avatar
No.12043
kazblox
Tester
Sep 24, 2015, 01:35
I updated the second video with one that has some more volume. Go to 13:12 of that video, please
User avatar
No.12044
NekoEd
Senior Tester
Sep 24, 2015, 16:39
Yeah, there's definitely a difference there. Confirmed.
User avatar
No.12045
kazblox
Tester
Sep 24, 2015, 20:50
EDIT: Removed the videos and replaced them with clipped audiofiles to make it easier to describe the report.
User avatar
No.15359
kazblox
Tester
23 days ago
This is caused by the lack of the volume decay register implementation and thus was fixed with R. Belmont's ][gs driver rewrite.