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

From: Gerrit Heitsch <*gerrit_at_laosinh.s.bawue.de*> Date: Mon, 20 Apr 2020 10:17:46 +0200 Message-ID: <e1f0fab2-ee8f-7b79-9399-7c6bce3823ab_at_laosinh.s.bawue.de> · gerrit_at_laosinh.s.bawue.de

On 4/20/20 8:58 AM, Pasi 'A1bert' Ojala wrote:
> On 20.04.2020 08:56, Gerrit Heitsch wrote:
>> On 4/20/20 2:29 AM, tokafondo wrote:
>>> I'd like to know what happens when the VIC gets disabled by software, 
>>> just
>>> like when the CPU does when loading datassette programs the standard 
>>> way. At
>>> least, it would refresh DRAM but do the rest of the memory access apply?
>>
>> Yes, DRAM Refresh will happen and, as far as I know, VIC will continue 
>> to do DRAM accesses to $3FFF but no longer do badlines.
> VIC-II will still also perform sprite fetches for each active sprite.

Even while the display is disabled?

  Gerrit