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Some enhancements #14

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gyurco opened this issue Jan 30, 2022 · 2 comments
Open

Some enhancements #14

gyurco opened this issue Jan 30, 2022 · 2 comments

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@gyurco
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gyurco commented Jan 30, 2022

Hi!

I've ported this core to MiST, and while doing it, I did some changes:

  • rewritten to fully synchronous logic (the result is the same, but with one master clock only - except the weird CPU with a high clock requirement)
  • added NVRAM support
  • also added background RAM and extra ROM for Krull

https://github.com/gyurco/Mist_FPGA/tree/master/Arcade_MiST/Gottlieb%20Qbert/rtl

Cheers
@pcornier
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Hi! That's great, thank you so much!! I see that you also added pause and spinner. I will try to incorporate your changes.

@gyurco
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gyurco commented Jan 30, 2022

I was wondering how the spinner worked without connecting op1 as reset. The ship just spins around widely without that.

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@pcornier @gyurco