[Coco] OS-9 graphics using C

[Gene Heskett]

On Tuesday 20 April 2010, Todd Wallace wrote:

>Hey guys,

>

>So I have been continuing to experiment and learn to write simple programs

> for OS-9 in C.  I have reached the point where I'd like to manipulate the

> screen, such as background/foreground colors and locating the cursor in

> specific parts, etc.  The documentation I have checked so far is

> "Microware C Compiler User’s Guide" which explains about standard

> input/output, compiling, etc.  I also have been through "The complete

> Rainbow guide to os-9 level II. volume 1: a beginners guide to windows". 

> This has taught me how to use the "display, wcreate, iniz" commands etc in

> OS9 to manipulate the screen.  But I still lack the knowledge of how to

> perform those commands from C. And finally "The NitrOS-9" level 2

> windowing system" which again taught me alot about manipulating windows in

> os9 but not how to do any of that stuff from C.  I suspect I will somehow

> need to use the _os9 system call in C, but I have no reference as to the

> possible commands I can do with that.  Any help is appreciated as always!

> :-)

>

>- Todd Wallace


All of that, in the getstt and setstt calls is defined in the manuals for 
both levels, Todd.  Some of it is sort of a read between the lines thing, but 
its all there.

-- 
Cheers, Gene
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