Sinclair ZX80 / ZX81 / Z88 Forums

That's great, thanks. I'll examine the GMSave side of the tape when I get a bit of free time. With it having multiple names, I wonder whether is was a type-in routine from a magazine that's been customised...

brancorp2000 wrote: ↑Sun Oct 18, 2020 4:05 pm when I try open TAPE MANAGER (CTRL+F9) it does not open the window.

Have you tried selecting Gather Windows from the View menu in v1.18?

bola_dor wrote: ↑Fri Oct 09, 2020 4:15 pm all GO TO were untokenized but the original text lacked the space in the middle..

There is an option on the dialog to accept alternate spellings, such as no space in GOTO and GOSUB:

I am trying to convert a BASIC listing to .O or to load it to EightyOne. That is supported. but then Nothing happens.. just the K cursor.. You can either drag and drop the .b80 file into the main emulator window or the Tape Manager window, or select it via the File > Open options. A dialog should a...

Have you tried swapping the vLA81 for a real ULA in that ZX81? That would prove whether it is the computer itself or the vLA81.

EightyOne v1.18 is now available from SourceForge . The headline features are: - Significantly improved timing accuracy of ZX81 SLOW mode. This used to run about 12% faster than it should. It is now near 100%. - Pseudo hi-res ZX81 displays would appear with the top line a couple of pixels to the rig...

Link to the quieter recordings below though. Thanks. I'll try to dig out the actual tape to take a pic of the label too. Are these recordings all from this tape? https://sinclairzxworld.com/viewtopic.php?p=38772#p38772 tk3 contains R09_0007.wav and R09_0008.wav tk4 contains R09_0006.wav and R09_000...

XavSnap wrote: ↑Tue Aug 04, 2020 5:29 am Seem corrupt…
TAPE VERIFY.P

Here's the assembly listing for machine code of the Tape Verify program. It appears to be fine with no sign of corruption:

willinliv wrote: ↑Thu Aug 06, 2020 2:06 am However still no joy with that GM compiler tape - ZX81 signals really hidden in noise.

Still worth re-recording it and posting it here as might be possible, and maybe try a different cassette player. It might be better than before and might allow some information to be recovered.

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