On 23/07/2018 23:48, Mia Magnusson wrote: > No, the VIC can only read, never write, so it's unidirectional. And I'm > assuming buses in sync. It's bidirectional. The VIC can read, the 65816 can read and write. In the SuperCPU the 65816 decides when to run at 20mhz and when to slow down to 1mhz, throwing in ultimax mode then you have to also pay attention to vic fetches. It needs to be optional, or you will kill timing with existing SuperCPU software. What you're describing sounds more like https://www.c64-wiki.com/wiki/Flash_8Received on 2018-07-24 07:00:04
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