Re: 65816 and I/O

From: Nathan Smith (stryyker16_at_hotmail.com)
Date: 2001-01-23 05:04:52

----- 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.

--
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