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by Haze
Wed Sep 21, 2022 11:59 am
Forum: MAME Discussion
Topic: Jakks Pacific game missing
Replies: 5
Views: 10588

Re: Jakks Pacific game missing

We have one. It's one of the units where the CPU and ROM glob are very, very close together, and the traces are a fraction of a millimeter thick. Sean has to solder 30+ wires to those traces, and between the limited space, and how tiny the traces are, he's had zero success. Technically possible, but...
by Haze
Tue Sep 20, 2022 9:54 pm
Forum: MAME Discussion
Topic: Slider refresh rate menu and save parameters ?
Replies: 6
Views: 8993

Re: Slider refresh rate menu and save parameters ?

The slider is intentionally not saved. Unless you're a developer you really shouldn't be changing it, a lot of games will have bad desyncs, unexpected performance issues, or outright crash if the protection is tied to the refresh rate, or it alters the timing enough to cause comms to fail. In all ho...
by Haze
Thu Jun 09, 2022 3:30 pm
Forum: MAME Discussion
Topic: Astro Blaster Runs too slow
Replies: 10
Views: 24394

Re: Astro Blaster Runs too slow

Component by component circuit emulation is extremely demanding. MAME is actually really fast compared to even some high-end six-figure purchase price commercial software when it comes to this kind of thing; the fact it can run some of these in realtime at all on a decent CPU is impressive. Any use ...
by Haze
Fri Dec 31, 2021 5:44 pm
Forum: MAME Discussion
Topic: Confused about softwarelist CHD SHA1s
Replies: 3
Views: 2709

Re: Confused about softwarelist CHD SHA1s

yeah, there have been bugfixes to CHDman over the years.

it should probably be assumed the old versions are bad and should be reconverted.
by Haze
Sat Nov 27, 2021 12:20 pm
Forum: MAME Discussion
Topic: Some games I can't boot
Replies: 5
Views: 5893

Re: Some games I can't boot

MAME is telling you that the zip file you have is corrupt (not a valid zip file, data missing at the end)

This is not a problem with MAME.
by Haze
Wed Nov 10, 2021 12:54 am
Forum: Work In Progress (WIP)
Topic: Sega G80 Raster games
Replies: 3
Views: 36464

Re: Sega G80 Raster games

that would be considered a hack, and less accurate emulation.

results aren't the deciding factor, how those results are achieved is the basis on which accuracy is determined in the project.

the waitstates on accesses need emulating, which is more difficult than doing things in a hacky way
by Haze
Wed Nov 10, 2021 12:52 am
Forum: MAME Discussion
Topic: Some games no longer work after the Mame update
Replies: 5
Views: 8137

Re: Some games no longer work after the Mame update

I don't really agree with how you've expressed that, this isn't like comparing a PS4 game to a PS3 game or similar. The latest MAME expects the most correct dumps based on current knowledge. This is necessary for it to function. Older versions run/expect some bad dumps (usually with bugs) because we...
by Haze
Wed Nov 10, 2021 12:48 am
Forum: MAME Discussion
Topic: KONG Taito do Brasil - Bug: Stuck on ladder
Replies: 6
Views: 10594

Re: KONG Taito do Brasil - Bug: Stuck on ladder

It's more than a bootleg, it's a completely reprogrammed version of the game that just happens to steal the original graphics. It's not very well programmed, bugs are frankly expected.
by Haze
Wed Nov 10, 2021 12:42 am
Forum: MAME Discussion
Topic: 30 Test Error
Replies: 23
Views: 77935

Re: 30 Test Error

The problem is you're reporting this to the wrong place. The cheat file is externally maintained, the errors you're experiencing are because those external maintainers haven't updated the cheats properly / are due to errors in the cheat file. This isn't a MAME problem, MAME is just telling you that ...
by Haze
Tue Jan 23, 2018 3:04 am
Forum: MAME Discussion
Topic: IRION (Exerion) PCB found - possibly Exerion PROTOTYPE ?
Replies: 11
Views: 19415

Re: IRION (Exerion) PCB found - possibly Exerion PROTOTYPE ?

Is it possible a conversion to something closer to Galaxian hardware? (hence the more basic starfield, lack of background, lack of 2nd CPU etc.)

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