RE: Building my monster C64 accelerator

From: Baltissen, R (Ruud) (ruud.baltissen_at_abp.nl)
Date: 2003-08-19 16:10:27

Hallo Per,


> Unless you replace the PLA, the VIC still reads from internal DRAM,
> which has to be written at 1 MHz. If you use a fast SRAM the VIC won't
> see what's written to the screen.

The design is so that the SRAM replaces the DRAM completely. For example
this means we need to add latches to the design so we can demultiplex the
addresslines coming from the VIC going to the DRAMs.


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