[Coco] 6809 disassembly help wanted

[Allen Huffman]

> On Nov 21, 2025, at 7:24 PM, Sean Conner via Coco <coco at maltedmedia.com> wrote:
> 
>  It's a documented Radio Shack API.  The address $C004 is the function
> pointer to it (like $A000 is the function pointer to scan the keyboard), and
> $C006 is the pointer to a block of memory (at location $00EA) used for
> parameters to DSKCON.  The parameter block is defined as:

Wow, so just a ROM that lets you read or write a sector?

I know Joel Hegberg used it from BASIC so he could make programs that would backup disks with errors and such. That was about the only time I “knew” about it being used.

I see a new blog series coming… (Mostly for my own good. I learned stuff, then forgot it, and search my blog to see what I learned, quite often!)

		— A