Den Wed, 23 May 2018 19:46:51 +0100 skrev smf <smf@null.net>: > On 23/05/2018 18:31, Jim Brain wrote: > > The 8502 of the C128 (or the Z80, I guess) would need to help move > > data to/from the 6809 cart. > > 8502 probably, iirc the z80 can't read the capslock key & it has to > ask the 8502 to help. > > Unless you can fix the z80 speed problems on the c128, even with vic > turned off the z80 doesn't get all cycles for some reason. But it has LDIR for fast transfers. I think we have had this discussion before but unless the Z80 is severely crippled LDIR should be faster than memory copy using the 8502. -- (\_/) Copy the bunny to your mails to help (O.o) him achieve world domination. (> <) Come join the dark side. /_|_\ We have cookies.Received on 2018-05-24 03:00:07
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