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Issues with EA games #19

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2 of 3 tasks
BlastBrothers opened this issue Feb 17, 2024 · 3 comments
Open
2 of 3 tasks

Issues with EA games #19

BlastBrothers opened this issue Feb 17, 2024 · 3 comments

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@BlastBrothers
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BlastBrothers commented Feb 17, 2024 •
edited by Clownacy

I didn't test every EA game - there are lots - but here's what I happened to run into:

  • Crue Ball - boots to black screen with music
  • The Immortal, Jungle Strike, Marble Madness (US) - EA logo has corruption but otherwise fine.
  • Road Rash, Road Rash II, Road Rash III, Skitchin' - EA logo has corruption, game crashes once a race starts. Pretty sure all of these games use the same engine so it should be the same fix for all of them.
@Clownacy
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I've heard that at least one EA game uses an undocumented plane size value, so that will need investigating too.

@Clownacy
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Crue Ball depends on H/V counter emulation. I dread implementing that thing.

Clownacy added a commit that referenced this issue Feb 21, 2024
@Clownacy
Support partial VDP command writes.
544e1ba 
The EA logo at the start of Road Rash requires this, as does the
opening sequence of Adventures of Batman & Robin.

Fixes #17, related to #19.
Clownacy added a commit that referenced this issue Feb 26, 2024
@Clownacy
Implement the V part of the H/V counter.
277a652 
Fixes #37 (Outrun's broken roads).
Fixes #38 (Outrun 2019's broken HUD).
Related to #23 (implementing the H/V counter).
Related to #19 (fixes Crue Ball failing to boot, Road Rash no longer
crashes).

Might get that Sonic hack which djohe mentioned working.
@Clownacy
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Clownacy commented Feb 26, 2024 •
edited

Road Rash and the others should no longer crash, but once the race starts, the graphics are corrupt.

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@Clownacy @BlastBrothers