Hi,
 I've recently obtained a Series 200 machine, and have also just started to = 
Which one? I haev a few of them -- 9826, 9836A, 9836CU, 9816 and 9817 IIRC
  try out the excellent HP98x6 emulator:
 
https://sites.google.com/site/olivier2smet2/hp_projects/hp98x6
 There are many disks for this machine at the HP Computer Museum:
 
http://hpmuseum.net/exhibit.php?swc=3D6 
Along with a fari amount of documentation.
 but I can't see any reference for a suitable Assembler (for 68000). This wo=
 uld be a really useful piece of software, does anyone know of such a beast =
 please? 
IS oen included with the Pascal system? Somethign tells me it was, but
I;ve never tried it.
-tony