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C64 turbo

Posted: Thu Oct 07, 2021 8:41 pm
by Iknownothingatall
Hi,

I have a basic question, how many turbo types are there for the C64? And if there is more than 1, are they compatible with each other?

Regards,

C64 turbo

Posted: Thu Oct 07, 2021 8:45 pm
by SummerFLower

There are several, not all of them are compatible with each other.

C64 turbo

Posted: Thu Oct 07, 2021 8:47 pm
by Kilord

Basically there were only two. The first, the oldest, consisted in using the standard speed when resigning from repeating data blocks, it gave about 2 times the acceleration, and the second one, consisting in shortening the length of the 0 and 1 bit writing plus no repetitions.
The problem in this case was that these lengths could be somehow arbitrary, hence many variants incompatible with each other.