Re: Vic problem

From: Gerrit Heitsch <*gerrit_at_laosinh.s.bawue.de*> Date: Sat, 26 Sep 2015 17:49:55 +0200 Message-ID: <5606BEA3.9000004@laosinh.s.bawue.de> · gerrit_at_laosinh.s.bawue.de

On 09/25/2015 12:26 PM, Marko Mäkelä wrote:
>
>> This NTSC Vic when powered up takes a little longer to display the Rom
>> greeting
>
> This is also normal. I suspect that it is holding the RESET line low
> longer than the C64 does. Because of this super-long delay, my Vic Flash
> Plugin firmware skips the RAM check, to get the start-up time somewhat
> at par with the C64.

The VIC has nothing to do with the RESET signal. It doesn't even have a 
RESET pin. The timing of the RESET signal it controlled by one side of 
the 556 timer and a few resistors and capacitors. If it takes too long 
for your taste you will have to replace a resistor with a smaller value.

  Gerrit

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