[Coco] So does your coco3 do 256 color mode ? Mine does...

Luis Antoniosi (CoCoDemus) retrocanada76 at gmail.com
Mon Mar 3 14:30:15 EST 2014


that would be great. the 9958 is backward compatible.

thxs

On Mon, Mar 3, 2014 at 2:16 PM,  <davidlinsley at gmail.com> wrote:
> I have two of those Premier Microsystems boards (a production and prototype), but without the VDG chips - I was given them around '92-93. I could dump the ROM (provided my EPROM reader at work still works) and scan the instruction sheets if interested.
>
>
> Cheers,
>
> David.
>
>
>
>
>
>
> From: Luis Antoniosi (CoCoDemus)
> Sent: Monday, March 3, 2014 11:04 AM
> To: CoCoList for Color Computer Enthusiasts
>
>
>
>
>
> Actually right now the driver is a little faster as I optimized it a
> bit. But the scrolling up will always be faster on CRT9128 because
> there it's done with hardware registers. On 9958 I have to copy
> VRAM-VRAM.
>
> Also, to v9958 requires more writes to update each text position and the cursor.
>
> But it does support colors. I have now a os-9 tool to change the
> background and foreground screens.
>
> On Mon, Mar 3, 2014 at 1:58 PM, Ken H. <dragon.atv at gmail.com> wrote:
>> Luis,
>> Your wordpak2+ looks very cool!
>> How fast is the text display? On the video it seems a little slower than
>> the CRT9128 wordpak.
>>
>> Apparently, your wordpak2+ design is basically the "next generation" of the
>> Dragon premier systems sprite board which was based on the V9929 VDG chip
>> (only supported 40x24 text).
>> This board was reviewed on Dragon User 11/84:
>> https://drive.google.com/file/d/0B9wgnqGFDmhkRWhPWnRzOTczaDQ
>>
>> Too bad the software for this board is missing. Could have been useful for
>> creating the basic sprite drivers for your WordPak2+.
>>
>> Ken
>>
>>
>>
>> On Sat, Feb 15, 2014 at 4:04 PM, Luis Antoniosi (CoCoDemus) <
>> retrocanada76 at gmail.com> wrote:
>>
>>> also my coco1, coco2, coco2b, etc.
>>>
>>> Meet the WordPak 2+ fully operational:
>>>
>>> http://www.youtube.com/watch?v=GdAwJJsXbtA
>>>
>>> Still need to make all the drivers, one problem is the charset that
>>> must be loaded from disk. How do I do it in os9 ? Just open a file
>>> into the video driver init ?
>>>
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>>
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>
>
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