[Coco] Graphics on NitrOS9 Level 1 v3.3.0 (CoCo 1)

[L. Curtis Boyle]

Rogelio, can you try “manually” outputting the display string for the graphics commands you are trying, just to see if it is the graphics handling in Level 1 itself that is not working, vs just the GFX module?


L. Curtis Boyle
curtisboyle at sasktel.net



> On Dec 29, 2017, at 7:03 PM, Rogelio Perea <os9dude at gmail.com> wrote:
> 
> On Fri, Dec 29, 2017 at 5:55 PM, Bill Pierce wrote:
> 
> With Basic09, the common procedure is to merge runb, syscall, inkey, & gfx
>> into one file named "runb" (rename the original). Before running Basic09,
>> "load runb". This assures all the needed modules are in memory when needed.
>> Basic09 in Level 1 is going to be tricky due to memory constraints.
>> 
> 
> Understood, but the intent of my message has to do only with GFX and
> whatever replaced OS9Level1v2's GRFO module.
> 
> I don't need INKEY nor SYSCALL in the short circle draw procedure noted. As
> you note, memory constraints are very real in the CoCo 1 64k environment,
> it's tight as it is in my stock OS9L1v2 system: I can load GRFO and GFX and
> use Basic09 with a 3K environment space and still run a decent 256x192
> graphics routine... with NitrOS9L1v3.3 that is not happening.
> 
> 
> -- RP
> 
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