[Coco] Drive Wire strangeness

Arthur Flexser flexser at fiu.edu
Mon Dec 9 02:17:58 EST 2013


On Mon, Dec 9, 2013 at 1:08 AM, Gene Heskett <gheskett at wdtv.com> wrote:

> The main advantage to writing assembly in os9 was that with virtually zero
> effort, your code was truly position independent, it could run anyplace in
> memory that os9 could load it into.  ALL branches and conditional jumps are
> 100% relative to the current value of the program counter after it has
> executed that command.  Housekeeping wise, that is a huge relief.
>

Actually, the 6809 was designed to make the writing of
position-independent code more or less effortless.  You don't need
OS-9 for that.

Art



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