[another poster mentions 32K being reasonable...]
The ZX Spectrum routines ran at 1500 baud, but it was entirely possible to
copy the routines to RAM from ROM and tweak the timing constants. 4500
baud was pretty reliable (although you had to be careful with tuning the
'tone' and volume on the tape) on a good quality tape.
(60 mins @ 4500 bits/sec ~= 2Mbytes)
Going higher than that would probably be a bit speculative (although if
you have a decent sound system...).
Hmm....could you run CDs in audio mode and sample that? :-)
regards,
jb
-- John Berthels Email: j.berthels@nexor.co.uk X.400: /G=john/S=berthels/O=nexor/P=nexor/A=cwmail/C=gb/
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