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I've successfully built LOS from source!: https://lisalist2.com/index.php/topic,644.0.html

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Author Topic: A Lisa Inside An FPGA  (Read 16445 times)

patrick

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Re: A Lisa Inside An FPGA
« Reply #15 on: September 25, 2025, 03:15:20 pm »
The 6504 is a 6502 with some pins not connected. Both parts use the same silicon die. So you can use the 6502 core and ignore the upper address lines.
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AlexTheCat123

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Re: A Lisa Inside An FPGA
« Reply #16 on: September 25, 2025, 05:12:05 pm »
Quote from: patrick on September 25, 2025, 03:15:20 pm
The 6504 is a 6502 with some pins not connected. Both parts use the same silicon die. So you can use the 6502 core and ignore the upper address lines.

Yep, that's exactly what I'm doing!
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