Posted By
siz
on 2018-05-07
02:39:28
|  Re: PLUS4 / C16 Jiffydos PAL
There is a post (in fact more than one) on BSZ's blog about 1551 (unfortunately in Hungarian only). To summarize: to send a byte from the drive to the computer needs a lot of handshake (more than sending from the computer to the drive!) and that makes KERNAL I/O much slower than it should be.
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