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Randomize RAM (or set it to deterministic semi-random values) on Apu reset #37

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yupferris opened this issue Oct 23, 2015 · 2 comments
Open

Randomize RAM (or set it to deterministic semi-random values) on Apu reset #37

yupferris opened this issue Oct 23, 2015 · 2 comments

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@yupferris
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@kylophone
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from the no$ doc:

Upon power-up, APU RAM tends to contain a stable repeating 64-byte pattern: 32x00h, 32xFFh (that, for APUs with two Motorola MCM51L832F12 32Kx8 SRAM chips; other consoles may use different chips with different garbage/patterns). After Reset, the boot ROM changes [0000h..0001h]=Entrypoint, and [0002h..00EFh]=00h).

@yupferris
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@kylophone I keep forgetting to say thanks for the info, so thanks for the info! :)

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@yupferris @kylophone