Topic: A Lisa Inside An FPGA (Read 16539 times)

patrick · « **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.

AlexTheCat123 · « **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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Author Topic: A Lisa Inside An FPGA (Read 16539 times)

patrick

Re: A Lisa Inside An FPGA

AlexTheCat123

Re: A Lisa Inside An FPGA