Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)

General software. From trouble with the Banyan Tree to OCP Art Studio, post any general software chat here. Could include game challenges...
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Ast A. Moore
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Re: Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)

Post by Ast A. Moore » Sun Oct 28, 2018 10:01 am

Grab the fixed version of Rommel’s Revenge from my little den of game fixes.
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Every man should plant a tree, build a house, and write a ZX Spectrum game.

Author of A Yankee in Iraq, a 50 fps shoot-’em-up—the first game to utilize the floating bus on the +2A/+3,
and zasm Z80 Assembler syntax highlighter.

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Alessandro
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Re: Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)

Post by Alessandro » Tue Oct 30, 2018 8:40 pm

All right, the list has been updated (Italiano) (English).
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Re: Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)

Post by Alessandro » Wed Oct 31, 2018 12:09 pm

New incompatibility (and cure!) found: NATO Assault 128K.

Error C Nonsense in BASIC, 50:1 after the third data block.

Fixed by: Nuggetreggae.
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Re: Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)

Post by Alessandro » Thu Nov 01, 2018 9:59 am

Two small updates:

1) Blasteroids has been moved from section 3 to section 1 because the only compatible version of it is the MCM re-release.

2) The entry for Treasure Island Dizzy has been re-edited and now points to Ast A. Moore's bugfixed/corrected version hosted in the SC archive.
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Re: Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)

Post by blueowl0708 » Fri Nov 02, 2018 4:20 pm

Hi @Alessandro,

What's your stance on games that expect the keyboard to behave like an issue 2 48k Spectrum? I'm unsure what the difference is exactly but these games tend to not respond to key presses on a +2.

I am aware of at least 2 games that do this but there are surely more :)
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Re: Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)

Post by Alessandro » Fri Nov 02, 2018 4:53 pm

Hi @blueowl0708,

if the issue is not specific to the +2A/+3, it is not going to be added to the list.

If the issue is related to the +2A/+3 and does not affect any other Spectrum model(*), it is added to the list, according to three cases:
1) there is a historical release of the game available, which works correctly;
2) there is no other issue-free historical version of the game available, but there is a "cure" newly made by a user;
3) none of the above, but the issue can be circumvented somehow, such as loading the game under 48 BASIC (as it should be the norm with everything released before 1987 and not 128K-specific), entering USR0 mode etc.

As far as I know the differences between issue 2/issue 3 and later keyboard management are not specific to the +2A/+3 since they surfaced within the first (i.e. not +) Spectrum production run, well before the Amstrad takeover. (I guess you are referring to this.)

I hope that clarifies it all :)

(*) Notable exception: Three Weeks In Paradise 128, which also does not work on the +2.
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Re: Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)

Post by blueowl0708 » Fri Nov 02, 2018 5:31 pm

Very clear, thanks :)
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Re: Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)

Post by Ivanzx » Tue Nov 06, 2018 11:23 am

Another suspicious case, Run for Gold, the Alternative Soft version. Owned 4 copies and none loaded, and in the emulator does not work either:

https://spectrumcomputing.co.uk/index.p ... 96&id=4270
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Re: Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)

Post by Alessandro » Tue Nov 06, 2018 2:27 pm

Ivanzx wrote:
Tue Nov 06, 2018 11:23 am
Another suspicious case, Run for Gold, the Alternative Soft version. Owned 4 copies and none loaded, and in the emulator does not work either:

https://spectrumcomputing.co.uk/index.p ... 96&id=4270
It's already on the list, together with a cure by Nuggetreggae.
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Re: Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)

Post by Ivanzx » Tue Nov 06, 2018 3:03 pm

Alessandro wrote:
Tue Nov 06, 2018 2:27 pm
Ivanzx wrote:
Tue Nov 06, 2018 11:23 am
Another suspicious case, Run for Gold, the Alternative Soft version. Owned 4 copies and none loaded, and in the emulator does not work either:

https://spectrumcomputing.co.uk/index.p ... 96&id=4270
It's already on the list, together with a cure by Nuggetreggae.
Oh man :cry: sorry, how can I be so dumb... I had not seen it all this time, and I kept buying it once after another time...

Thanks, Alessandro, now I know I can only play it in emulators!
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