Posted By
Litwr
on 2016-10-13
14:13:55
|  Re: Back in the day...
I've just added a comment to the youtube's video. C64/PAL has higher (!) frequency of CPU than C+4 (0.96 vs 0.89 MHz) and C64 uses one badline while C+4 uses 2. C+4 advantage is hardware double frequency on borders, C128 may use double frequency at the vertical borders by software. C+4 is only 25% faster than C64 in the standard screen mode but maybe up to 130% faster without screen. It is interesting to compare Commodore versions with BBC Micro which may use true 2 MHz with CPU. IMHO Elite for Spektrum or Amstrad has poor quality.
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