[Coco] Original OS-9 Level 1 source code

[Bill Pierce]

Most of the OS9 L1 code can be found in the NitrOS9 repo buried in on of the early branches.
BTW, you're not going to get much space even out of a "stripped" L1 when using a "hi-res" screen like the one you describe. You must remember that the required 6k of memory for the graphics screen as well as the system itself is all part of the 64k available.
I gave up on doing anything significant in L1 long ago (before NitrOS9) as there just wasn't enough memory left over for the program. The only real alternative in L1 to expand a program is to write small programs and then "chain" them together. This is how "DeskMate" works in L1. Each module is pretty small and is chained by the other modules when called.

 

 

Bill Pierce
"Charlie stole the handle, and the train it won't stop going, no way to slow down!" - Ian Anderson - Jethro Tull

My Music from the Tandy/Radio Shack Color Computer 2 & 3
https://sites.google.com/site/dabarnstudio/
Co-Contributor, Co-Editor for CocoPedia
http://www.cocopedia.com/wiki/index.php/Main_Page

E-Mail: ooogalapasooo at aol.com

 

 

-----Original Message-----
From: CoCo Demus <retrocanada76 at gmail.com>
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Sent: Wed, Apr 26, 2017 10:38 am
Subject: [Coco] Original OS-9 Level 1 source code

Hi,I once got my hands in OS-9 Level 1 Version 2.0 source code but I cannotfind it anymore in the web. Does anyone here has a copy of it ?The reason I am asking is that NitrOS-9 has grown too much for the level 1which makes trying to use CoHR for example useless as you leave if fewavailable pages.So my idea is try to understand what has grown in code size and make a leanand mean version of the NitrOS-9 Level 1 for coco/dragon.I developed a nice Co40 42x25 driver for the L1 but it gets pretty uselessas you cannot run dynacalc, stylograph, etc.I wan't to make it similar to OS-9 V2.0 EuroHard.Thanks,Felipe.-- Coco mailing listCoco at maltedmedia.comhttps://pairlist5.pair.net/mailman/listinfo/coco