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Quick status update: The software has been developed a little further, there are 38 games on the current rom. To save a little bit of wear on the the expansion connector the rom will now only boot if the space bar is pressed at reset. Without the space bar the MTX will boot to Basic as normal. Testi...

And another user with a MTX and BBC.

Those of you that have copies of the Source, it it me, or has Keith got the sound volume control bytes all confused on page 11-5 ? Shouldn't it be 080h OR'd with 010h 030h 050h and 070h to make 090h 0B0h 0D0h and 0F0h to identify the sound register, which is then added or OR'd to the volume to get t...

Obviously, I'm used to seeing chunks of random electronics hanging off the side of my MTX.

However, I was wondering, how well would a re-memorizor fit into one of the SDX cases.

Could be used as a sort of template for a case ???

Fignition probably is even newer, but very retro.

Think Jupiter Ace with 80% of the keyboard missing.

Good soldering practice though

http://uk.rs-online.com/web/p/single-bo ... s/7755003/

Hmm looking at the lists posted, admittedly its a small sample. But should this be re-named as an MTX and BBC forum ?

Ok, here goes the list is not quite as comprehensive. Z80 based: 16k ZX80 (2 both home made, one with a full size keyboard, one with mini switches) 48k ZX81 48K Spectrum plus Tatung Einstein (3" and 3.5" floppies) MTX500 (2 of only one PSU though) 6502 based: 42k Vic 20 Commodore 64C Atari...

Looking a the black capacitor, I don't much like the look of the joint of the "top" leg.

There's an nice bonus that comes with using your mods to the circuit. I don't need to store the extra 3 shadow copies of the ROM 7 code that were required to "fix" the original prototype. That's 24k more game space! I've currently got 38 games squeezed in, it's now just about reached the l...