17 Oct
2011
17 Oct
'11
6:10 p.m.
On 17 Oct 2011 at 17:01, Fred Cisin wrote:
Using a WD1793, or variant thereof, would require a
complete rewrite
of Int13h. AFAIK, nobody ever got around to doing that, so I kept a
TRS80-3 around just for the WD REAL "track read" command.
I went the easy way and just wired up a WD1772 on an ISA prototype
board. It takes very little additonal circuitry as data separator,
etc. are built onto the chip.
--Chuck