Search found 546 matches

by 1024MAK
10 Apr 2019 12:58
Forum: HARDWARE
Topic: Resurrecting an MTX500.
Replies: 210
Views: 1676

Re: Resurrecting an MTX500.

Every instruction cycle the Z80 will generate a DRAM refresh address on A0 to A15, the state of A0 to A6 counts up every instruction cycle (and wraps around), A7 reflects the state of bit 7 of the R register (which only changes if software changes it) and A8 to A14 reflect the state of the I (interr...
by 1024MAK
08 Apr 2019 23:07
Forum: HARDWARE
Topic: Resurrecting an MTX500.
Replies: 210
Views: 1676

Re: Resurrecting an MTX500.

Good luck ;)

Mark
by 1024MAK
29 Mar 2019 16:53
Forum: PROGRAMMING
Topic: Relocating MTX Machine Code
Replies: 5
Views: 177

Re: Relocating MTX Machine Code

Great work Bill :D

Your findings and code example are most useful. So thank you 🙏 8-)

Mark
by 1024MAK
16 Feb 2019 23:53
Forum: INTRODUCE YOURSELF
Topic: Hello + sad news + opportunity
Replies: 5
Views: 283

Re: Hello + sad news + opportunity

By the way Duncan, where abouts in the country are these computers?

Mark
by 1024MAK
13 Feb 2019 21:49
Forum: GENERAL DISCUSSIONS
Topic: [MAME] Emulating the MTX
Replies: 17
Views: 3037

Re: [MAME] Emulating the MTX

http://www.primrosebank.net is Dave’s site :D

Mark
by 1024MAK
12 Feb 2019 18:12
Forum: INTRODUCE YOURSELF
Topic: Hello + sad news + opportunity
Replies: 5
Views: 283

Re: Hello + sad news + opportunity

There are other forums full of good people (i.e, me :lol: ) for other machines: Acorn machines: StarDot forums ZX80, ZX81 and clones: Sinclair ZX World forums ZX Spectrum and clones: World of Spectrum and World of Spectrum forums , Spectrum Computing and Spectrum Computing forums QL: The Sinclair QL...
by 1024MAK
24 Jan 2019 01:15
Forum: SOFTWARE
Topic: New tape cleaner tool
Replies: 36
Views: 2232

Re: New tape cleaner tool

Now where is that clapping smilie when you need it?

:D

Mark
by 1024MAK
02 Jan 2019 17:42
Forum: SOFTWARE
Topic: New tape cleaner tool
Replies: 36
Views: 2232

Re: New tape cleaner tool

Martin A wrote:
01 Jan 2019 22:23
There's no prizes fog guessing what the test WAV file was ! :D
We’re sorry sir, your prize melted in the post...!
by 1024MAK
26 Dec 2018 16:48
Forum: INTRODUCE YOURSELF
Topic: MTX 512 loading problem
Replies: 3
Views: 235

Re: MTX 512 loading problem

With regards to cables, the type of connector fitted to the MTX board for both the ear and mic sockets are mono 3.5mm types. Stereo 3.5mm jack plugs are not compatible, as the contacts don’t line up correctly. So for the MTX end, you really do need a mono 3.5mm jack plug. If your source device has a...
by 1024MAK
26 Dec 2018 16:09
Forum: INTRODUCE YOURSELF
Topic: Please Introduce yourself...
Replies: 14
Views: 2497

Re: Please Introduce yourself...

Hi Viv

Welcome to Memorum :D

We do hope that you will stick around.

Mark