Chris has already done V2 in SBASM Ian, here, just above "Tape Interface" about 2/3 the way down the page
http://theoddys.com/acorn/Acorn%20Sy...MK14/mk14.html
Re the loss of Paul Robsons site, we really could do with a bullet-proof repository for all this precious info, some has already been lost forever (like the Elektor resident SC/MP disassembler)