C64 Cartridge Port timings - R/W & ROMH / ROML

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C64 Cartridge Port timings - R/W & ROMH / ROML

Daniel O'Shea
Does anyone has any data on or experience of the timing relationship
between the ROMH / ROML lines and the R/W line on the cartridge port
(when in Ultimax mode)? Need to know which comes first and how they
overlap...

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