Re: Accessing the C64 memory between 65xx chips operations.

From: Gerrit Heitsch <*gerrit_at_laosinh.s.bawue.de*> Date: Sun, 19 Apr 2020 22:58:58 +0200 Message-ID: <b8dc6a2c-9306-a4b4-e8bb-b24ba9602f9b_at_laosinh.s.bawue.de> · gerrit_at_laosinh.s.bawue.de

On 4/19/20 10:24 PM, tokafondo wrote:
> Well, time then to learn how C64 'Turbo' accelerators with external CPUs did
> work, then.

They switched between CPUs. That you can do with the lines available on 
the expansion port. But the external CPU will then have to use the same 
timing and speed as the 6510 when accessing the internal RAM/ROM of the C64.

  Gerrit