Super turbo PCB layout

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By sdsnatcher73

Prophet (2152)

sdsnatcher73's picture

13-09-2021, 15:40

[dream]Yeah that is the difficult part… what if instead of a Raspberry Pi it would use Z80 and R800 in FPGA, those implementations are quite mature (well Z80 part). Basically take an OCM but only use CPU and S1990 stuff… [/dream]

But R800 for most purposes is not needed, a fast Z80 for use in Nextor should be enough. Software switchable speed could be great for e.g. SofaRun (so Games that need to can run on low speed).

By lintweaker

Champion (414)

lintweaker's picture

14-09-2021, 07:47

sdsnatcher73 wrote:

[dream]Yeah that is the difficult part… what if instead of a Raspberry Pi it would use Z80 and R800 in FPGA, those implementations are quite mature (well Z80 part). Basically take an OCM but only use CPU and S1990 stuff… [/dream]

But R800 for most purposes is not needed, a fast Z80 for use in Nextor should be enough. Software switchable speed could be great for e.g. SofaRun (so Games that need to can run on low speed).

I have such -half finished- project. Z80 (T80 based) in FPGA to substitute a real Z80. Must finish that someday...first finish playing with a Z380 to seen how that fares...

By SkalTura

Champion (328)

SkalTura's picture

14-09-2021, 11:57

If you need help designing a PCB for it, you know where to find me... ;-)

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