Viewing Issue Advanced Details
ID Category [?] Severity [?] Reproducibility Date Submitted Last Update
09305 Sound Minor Always Nov 17, 2025, 05:13 Nov 19, 2025, 14:53
Tester THS2022 View Status Public Platform MAME (Official Binary)
Assigned To Resolution Open OS Windows (x64)
Status [?] Confirmed Driver
Version 0.282 Fixed in Version Build x64
Fixed in Git Commit Github Pull Request #
Summary Regresssion 09305: changyu2: There are weird issues in the ay psg. regression bug?
Description at 281 the alarm ay sound was ok after happen error call att.
in 282 something was changed
causing to sound longer tunes noise.
Steps To Reproduce hold by press key 5 to cause call att.
will sound error.
Additional Information
Github Commit
Flags Regression
Regression Version 282
Affected Sets / Systems changyu2
Attached Files
mp3 file icon changyu2_282withissues.mp3 (94,152 bytes) Nov 17, 2025, 05:13 Uploaded by THS2022
mp3 file icon changyu2_281nonissues.mp3 (110,640 bytes) Nov 17, 2025, 05:16 Uploaded by THS2022
at version 281 the sound sound normal
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Notes
2
User avatar
No.23840
THS2022
Tester
Nov 17, 2025, 05:30
Error log from debug:
[:mcu] ':mcu' (072A): unmapped internal_indirect memory write to AB = 03 & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
[:mcu] ':mcu' (072A): unmapped internal_indirect memory write to AB = 03 & FF
[:mcu] ':mcu' (07E0): unmapped internal_indirect memory read from AB & FF
User avatar
No.23841
Kale
Developer
Nov 19, 2025, 14:53
Can't be a "possible", it's clearly a regression.