Viewing Issue Advanced Details
ID Category [?] Severity [?] Reproducibility Date Submitted Last Update
06949 Graphics Major Always Apr 24, 2018, 19:49 Oct 25, 2022, 09:41
Tester Tafoid View Status Public Platform MAME (Official Binary)
Assigned To Resolution Bugs That Aren't Bugs OS Windows Vista/7/8 (64-bit)
Status [?] Resolved Driver
Version 0.196 Fixed in Version Build
Fixed in Git Commit Github Pull Request #
Summary MESS-specific 06949: a7800 [wasp]: Player/Enemy characters are not visible
Description Player/Enemy characters are not visible basically making the game unplayable
Steps To Reproduce
Additional Information
Github Commit
Regression Version 0.155
Affected Sets / Systems a7800 [wasp]
Attached Files
png file icon mess154.png (1,755 bytes) Apr 24, 2018, 19:49 Uploaded by Tafoid
Mess 0.154 Snapshot
png file icon mess155.png (1,133 bytes) Apr 24, 2018, 19:51 Uploaded by Tafoid
Mess 0.155 Snapshot
There are no relationship linked to this issue.
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Apr 24, 2018, 19:55
Likely regression happened here:

There was a lot of a7800 dev that day and any one commit, in theory, could have caused it.
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Senior Tester
Oct 25, 2022, 09:41
According to people testing the game on hardware in the development thread:
the early versions up to and including 1.05 that's in the software list didn't work on hardware. On hardware 1.05 had the same problem of not showing the player and wasp sprites, so it turns out the MESS regression was actually an improvement :)

Anyway, the eventual cartridge release is available in the same thread and works in MAME. I've submitted a PR to replace the nonworking version: