> >Hi everyboby!!!
> >
> >I'm a MSX-Freak from BRAZIL...
> >
> >i have a question for you fellas:
> >
> >a long,long time ago,i was trying to do a independent disk acess on my
> >MSX(1.1),it means WITHOUT BIOS...but i didn't find any information about
> >&hD0~&Hd7 ports,that control the disk-drive...
>
> I'm sorry to disappoint You Fabio, but
>
> In all the MSX machines I know the floppy disk controller (FDC) is memory
> mapped in diskrom slot and unfortunately the addresses are different in
> different machines. (I own SVI X'press and Philips 8250)
>
> The advantance of mapping the FDC I/O ports ( 4 ports) in the memory
space
> is that you can have more than one floppy disk interface installed. If
you
> use those I/O ports #D0 ... the FDC interfaces would interfer each other.
Yes, but 99% of brazilian disk interfaces are mapped to I/O ports.
So, you can't connect 2 interfaces at the same time. :-(
>
>
> >SO,with the internet i think that you'll help me
> >PLEASE WHO HAS THIS INFORMATION?????
> >i've been looking for years...
I have this information. I will send to you.
>
> I have programmed the 1793 FDC of SVI to read/write tracks and the gaps
> between the sectors, and everything, so If I can help You let me know.
(
> The 2793 is upwards compatible with old 1793. ) I have the list of the
> level I -VI commands and the bits etc of status register.
>
> Kari Lammassaari Finland
Please, anyone has this information for MSX Turbo-R disk interface?
>
>
> >[EMAIL PROTECTED]
> >
> Kari & Juissi Lammassaari
> [EMAIL PROTECTED]
>
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[EMAIL PROTECTED]
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