Re: How hardware accelerators deals with $0/$01

From: smf <smf_at_null.net>
Date: Mon, 23 Oct 2017 23:20:08 +0100
Message-ID: <a2ccc361-d6c0-5f97-9b88-6b7268b83383@null.net>
Supposedly you can't programatically switch fonts on an international 
c128 if you have a supercpu

https://www.forum64.de/index.php?thread/30337-is-key-ascii-din-caps-lock-real-any-character/

On 23/10/2017 19:10, Terry Raymond wrote:
> Please excuse me if I jump in here ☺
> Are you referring to even the CMD Super CPU?
> My question with the CMD design and the 65816 I have seen reports here and
> there that this accelerator had it's incompatibilities, but In what areas
> as far as the hardware.
> No puns intended the Super CPU was an still is an awesome accelerator, I
> would be lost without both of my V1and V2 Super CPU and Jiffy DOS.
>
> This is a very complex piece of hardware I realize.
> Mostly reports of I believe optimized games being incompatible.
> Terry Raymond
>
>
> On Oct 20, 2017 9:43 AM, "Mia Magnusson" <mia@plea.se> wrote:
>
>> Den Fri, 20 Oct 2017 11:34:04 +0100 skrev smf <smf@null.net>:
>>> On 19/10/2017 21:59, Mia Magnusson wrote:
>>>> Then the VIC could access RAM as if it were a 16 bit device
>>>> (throwing away the four upper bits).
>>> It kinda does, if you mean it would be easier if video ram was 16
>>> bits and contained the character and colour (essentially how cga does
>>> it) then I don't see how you could do that without completely
>>> throwing away the c64 motherboard and starting again.
>> Well, you could do some minor modification to the board itself and put
>> an adaptor between the VIC-II and it's socket :)
>>
>>> I'm kinda disappointed that the C128 was a backward step from the
>>> plus4 in terms of colour (and cpu speed) but cest la vie.
>> Yes, but it would have been even better if it were like EGA/VGA text
>> modes on a PC, with 8 bit attribute divided in 4 bit foreground and 4
>> bit background and then have 16 color registers (or even perhaps 32
>> registers, 16 for foreground and 16 for background, and maybe even more
>> for the sprites and border and whatever would be nice for multicolor).
>>
>> But all this would have required some major redesign. I don't know how
>> much the price were for faster memory at the time. Getting rid of the
>> color RAM might not have saved that much if it meant requiring faster
>> RAMs.
>>
>> --
>> (\_/) Copy the bunny to your mails to help
>> (O.o) him achieve world domination.
>> (> <) Come join the dark side.
>> /_|_\ We have cookies.
>>
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>>


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Received on 2017-10-23 23:00:02

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