[Coco] How did Musica ][ work? (half-text, half-PMODE4)?

[Bob Devries]

On 2016-05-04 5:55 AM, Arthur Flexser wrote:
> I'm guessing it used the vertical and horizontal interrupts to switch
> graphics modes on each screen frame when the scanning reached a certain
> line.
>
> Art
>
Yes, and this caused some problems on the PAL coco. I spent some time 
disassembling the programme, to find where the switch happened, and 
"ädjust" the line count for PAL.

Regards, Bob Devries
Dalby, QLD, Australia