Bug in Zanac-EX on MSXturboR

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By Manuel

Ascended (18785)

Manuel's picture

05-01-2022, 23:15

See https://youtu.be/4Z8FOTFED3Q (near the end).

Did you know about this bug? Anyone cares to investigate?

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By Latok

msx guru (3867)

Latok's picture

05-01-2022, 23:46

Shouldn't we say 'Bug in MSXturboR on Zanac-Ex'? How can a game have a bug on a machine that wasn't released when the game was made Wink That doesn't sound fair to the game haha....

By Manuel

Ascended (18785)

Manuel's picture

06-01-2022, 00:09

You have a point, but we'll know when someone finds out the root cause. The game could be doing something illegal that happens to work on (most?) MSX2 machines, but not on the GT...

By Latok

msx guru (3867)

Latok's picture

06-01-2022, 00:15

Thrill and suspense await!

If despite this 'something illegal' the game works on MSX2 machines, I'd say it's still not a bug... In 1987 the game worked just fine on all the machines it was back then claiming to work on...

By Manuel

Ascended (18785)

Manuel's picture

06-01-2022, 01:03

Did you test it on all these MSX2 machines to be able to make that claim then? Cool

By max_iwamoto

Hero (586)

max_iwamoto's picture

06-01-2022, 01:09

Manuel wrote:

See https://youtu.be/4Z8FOTFED3Q (near the end).

Did you know about this bug? Anyone cares to investigate?

What kind of bug are you talking about? I watched 3 times and cannot see any issues.

Just noticed it. It more like closer to the middle. The issue there is that it uses a screen split. So, screen accidentally stuck in VRAM page 1,2 or 3 instead of 0. Probably rare timing issue as screen rolls almost to the half of the screen before that happens.

By gdx

Enlighted (5500)

gdx's picture

06-01-2022, 01:38

Can you indicate at least the time code of the video?

By max_iwamoto

Hero (586)

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06-01-2022, 01:39

gdx wrote:

Can you indicate at least the time code of the video?

It happens around 2:01 mark.

By gdx

Enlighted (5500)

gdx's picture

06-01-2022, 01:44

Oh, It's near in the middle. Thank you, I had looked towards the end and therefore saw nothing.

By Jipe

Paragon (1551)

Jipe's picture

06-01-2022, 07:48

With a Turbo-R just push the PAUSE Key for same BUG

By Manuel

Ascended (18785)

Manuel's picture

06-01-2022, 08:09

Oh, sorry, I decided later to add another demo round to show that next time it looks okay, and I forgot that I did that Smile

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