Sinclair ZX80 / ZX81 / Z88 Forums

Will look into the DJNZ suggestion Rich Also found this online which does work with ZX Assembler 2 using DEFM START LD DE,TEXT;ADDRESS OF MESSAGE LD BC,25 ;MESSAGE LENGTH CALL 0B6B ;ROM ROUTINE RET TEXT DEFM "THIS IS A TEST. " DEFM "THIS IS ONLY A " DEFM "TEST." Might be some more hints there

Closer I think. Making LD DE,+700 LD DE,700 Didn't crash, just ended up back in BASIC with a 0/0 I'II do some more googling in the weekend to see if I can garner some more knowledge. Would be good to get all those examples in the ZX Assembler manual working, as its a good way to learn how assembly w...

I took out the DM (DEFM) & DB (DEFB) calls & the same thing happened! Interesting! Still assembles OK & same output/result.

So it must be something else that ZX Assembler 2 does differently to the original.

If anyone has any ideas let me know!

cheers
Daryn

From http://edu.i-lo.tarnow.pl/inf/retro/005_zx81_info/0005.php it looks like 'DM' is short for 'DEFM' and 'DB' is short for 'DEFB' I just tried using DEFM & DEFB in my above attempt, and got the same result. Must be something fundamentally wrong with what I'm doing, just have no idea what it is! :D...

Hi Been experimental with some assembly language (novice), and have been trying to figure out the differences between the original 'ZX Assembler' & its manual, and the modified 'ZX Assembler 2' by Carlo Delhez. In the original manual, it has this sample program. I can enter it fine & it works using ...

That is unbelievable! 155 pounds! I know its quite a cool accessory, but paying that much??!!

Got a question about EPROMS at the ZX81. Would it have been possible to have a wee EPROM board added to the '81 with seperate EPROMS with your favourite software burned on them. Eg ZX-Assembler (Artic) - I think I saw this was about 6-7k Tasword etc etc Vu-File Vu-Calc What would have been the K lim...

Thats an amazing set-up there!

Very impressed!

cheers
Daryn

Hi

For the guys/gals who have the memotech keyboard like for the ZX81 - what is it like?. From the piccies I've seen it looks pretty sweet. Does it have a good "feel"?

I haven't seen any of these on ebay, they must be very scarce.

cheers
Daryn

Hi Has anyone else wondered why Memotech's "Memotext" word processor doesn't seem to be around much. Have seen it advertised in Memotech's old ads, & I've seen the manual for it online somewhere, but websites like http://www.zx81stuff.org.uk/ don't seem to have it, and even that great emulator vb81 ...