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

Luis Antoniosi (CoCoDemus) retrocanada76 at gmail.com
Sat Feb 15 09:53:48 EST 2014


But I will have to make a L1 driver and I need to send 2K of patterns
to the VDP prior the booting.

In the init of the covdg.io for example is the files system already up
and can I open and load  a file inside the os9 file system ?


On Sat, Feb 15, 2014 at 9:35 AM, Bill Pierce <ooogalapasooo at aol.com> wrote:
>
> Luis,
> If you're talking to the OS9 L2 HiRes char set, you just "merge" them wuth the system ie.
> merge /dd/sys/stdfonts
> This is done externally from the drivers.
> All hires fonts are stored in get/put buffers with "special" group and buffer names. The same goes for pointers and patterns.
>
> All the buffers are explained in:
> "The OS-9 Level 2 Windowing System" manual
> The buffer tables are in chap 3 page 8 (3-8)
>
> You can actually load several fonts and switch between them if you want, but it's tricky programming and playing around with the groups and buffers.
> Also, all fonts, patterns and pointers reside "outside" of system and program memory as do almost all graphics oriented buffers. They do not use up program memory but are a major PITA to manipulate if you're not familiar with working with the get/put buffers.
>
> Hope this helps
>
>
> Bill Pierce
> "Today is a good day... I woke up" - Ritchie Havens
>
>
> My Music from the Tandy/Radio Shack Color Computer 2 & 3
> https://sites.google.com/site/dabarnstudio/
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>
>
>
>
> -----Original Message-----
> From: Luis Antoniosi (CoCoDemus) <retrocanada76 at gmail.com>
> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> Sent: Sat, Feb 15, 2014 9:04 am
> Subject: [Coco] So does your coco3 do 256 color mode ? Mine does...
>
>
> 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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