Re: C64 2 Mhz Hack

From: john/lori (
Date: 2001-02-27 19:00:05

> With 70 ns the 65816 has to insert 1 waitstate for every instruction. The 
> effect is 10 MHz.

It may be worse than you think.
70ns is probably the access time, the memory cycle time
would be around twice that.
eg the TM124MBK36E (1MB x 36 module) spec sheet says
for tRAC=70ns, max tRC=130ns min

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