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Unibios detects AES when System type is set to Arcade #10

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furrtek opened this issue Mar 1, 2019 · 2 comments
Open

Unibios detects AES when System type is set to Arcade #10

furrtek opened this issue Mar 1, 2019 · 2 comments
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@furrtek
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furrtek commented Mar 1, 2019

Apparently the jumper connected to NEO-C1 isn't the only indicator.
@furrtek furrtek added the bug Something isn't working label Mar 1, 2019
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furrtek commented Mar 7, 2019

The Unibios reads bits 3 and 4 of REG_STATUS_A instead of bit 7 of REG_STATUS_B to determine the system type.
Code was added in 8c46a32 to simulate the difference between both systems but detection still seems to fail. Maybe related to a flag set in RAM which isn't cleared when changing system type ?

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furrtek commented Mar 31, 2019

Additional note: When the system type is set to MVS on the MiSTer OSD menu and the Unibios is used, the game correctly asks to insert a coin but the Unibios won't inform the game about the coin-in event since it believes it runs on the home console.

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