From: Baltissen, R (Ruud) (ruud.baltissen_at_abp.nl)
Date: 2003-06-02 14:33:52
Hallo Pasi,
> Can't you just start the transmission then?
This is the sequence of bytes.
$3F $28 $F0 $24 $3F $48 $60 $01 $04 .
"$" Talk Address
Only after receiving $60 I know I'm supposed to send a file. In the above
sample the filename is "$" meaning that the 8032 doesn't want to load a file
but the directory.
Then my PC has to search the directory of the D64-file to see if the file is
present. The last action preceeding the transmission of the address is
loading the first sector in memory. Only then I can start sending the data .
But probably these actions take more time then I'm allowed :( FYI, the
program runs on a laptop with a Celeron 400 MHz.
As said in an earlier email, when asking for the directory I noticed that
the drive already started running after $3F and that's how I solved my
problem: reading the directory and storing it in memory.
But to be honest I simply forgot to observe at what point the drive starts
running when asking it for a file.
--
___
/ __|__
/ / |_/ Groetjes, Ruud
\ \__|_\
\___| http://Ruud.C64.org
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