[Coco] Making the round on Hacker News: Coco Assembly

[Sean Conner]

It was thus said that the Great John Guin via Coco once stated:
> https://boston.conman.org/2024/11/26.3
> 
> Reading through it now.  "The definitive guide to writing assembly
> language subroutines for Extended Color
> BASIC<https://boston.conman.org/2024/11/26.3>"

  There's the previous post as well: The definitive guide to writing
assembly language subroutines for Color BASIC

	https://boston.conman.org/2024/11/26.2

  A summary:  you *can* pass strings to USR() (Color BASIC only), but *must*
return a number.  For USRn() (ECB), you can pass and return strings.

  -spc