The last major Coco magazine as of 1999 was " the world of '68 micros". This magazine stopped being published in early 1999 for unknown reasons. At that time, I had several articles in submission which were likely to be published. Rather than have these articles simply disappear, I will post them here. Other articles may follow if and when I get interesting ideas.
 

Transferring Coco Pak Software to Disk
Coco3 Graphics to BMP and Back, Part I
Coco3 Graphics to BMP and Back, Part II
Coco3 Graphics to BMP and Back, Part III