Re: 65816 and I/O

From: Nathan Smith (stryyker16_at_hotmail.com)
Date: 2001-01-23 12:45:14

----- Original Message -----
From: "Nathan Smith" <stryyker16@hotmail.com>
To: <cbm-hackers@dot.tml.hut.fi>
Sent: Tuesday, January 23, 2001 3:04 PM
Subject: Re: 65816 and I/O


>
> ----- Original Message -----
> From: "MagerValp" <MagerValp@cling.gu.se>
> To: <cbm-hackers@dot.tml.hut.fi>
> Sent: Tuesday, January 23, 2001 10:01 AM
> Subject: Re: 65816 and I/O
>
>
> >>>>> "NW" == Nicolas Welte <welte@chemie.uni-konstanz.de> writes:
>
> NW> As Marko said: you can leave the ROM active, since you can switch
> NW> I/O in from the outside, and RAM is there for a write-through
> NW> anyway.
>
> Write-through. Of course. :)
>
> NW> But I think the SCPU has it's own copy of the character ROM, just
> NW> like it has copies of BASIC and KERNAL.
>
> Does it have a copy or does it copy and patch the ROMs when it boots?
> It makes quite a difference for us with non-english ROMs...
>
> It has its own ROMs but it is possible to load ROMs into 01xxxx like
01a000
> for the BASIC ROM etc. I have no idea about Char ROM though.
>
> --
>     ___          .     .  .         .       . +  .         .      o
>   _|___|_   +   .  +     .     +         .   .  Per Olofsson, konstnär
>     o-o    .      .     .   o         +          MagerValp@cling.gu.se
>      -       +            +    .     http://www.cling.gu.se/~cl3polof/
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