Why would this simple code hang after 10 cycles:

[Gerald]

When execution RETURNs from Recording subroutine it will fall into the Recording subroutine by itself which then ends with a RETURN - not good.

Move your Goto Mainloop to after the two IF statements.

EDIT: But I now see you're already got that answered in the other thread...

Thanks, you make it clearer than the other reply (the words goto Mainloop appears twice, I was moving the wrong one)