Search found 1862 matches

by 1024MAK
Thu Feb 22, 2018 7:52 pm
Forum: Hardware
Topic: Memotech HRG: ROM mirroring!
Replies: 8
Views: 165

Re: Memotech HRG: ROM mirroring!

I think Google lost the plot in the last sentence :lol:

Mark
by 1024MAK
Wed Feb 21, 2018 11:17 am
Forum: Hardware
Topic: Problem with my new ZXpand+
Replies: 19
Views: 419

Re: Problem with my new ZXpand+

Charlie left off an electrolytic :shock: :roll:

Mark
by 1024MAK
Tue Feb 20, 2018 7:09 pm
Forum: Hardware
Topic: TI99/4A KEYBOARD ADAPTATION
Replies: 26
Views: 989

Re: TI99/4A KEYBOARD ADAPTATION

Do we need a driver board to repeat (amplify) the signals? https://sinclairzxworld.com/viewtopic.php?f=7&t=281&p=2046&hilit=spectrum+keyboard#p2046 Not if the wiring is kept as short as possible. If you do want longer wiring, or want to use a multicore cable, then it's the address lines that need b...
by 1024MAK
Sun Feb 18, 2018 2:32 pm
Forum: Sinclair Misc
Topic: The Future of Sinclair ZX World
Replies: 57
Views: 3241

Re: The Future of Sinclair ZX World

StarDot forums had the same problem (site logo not showing) when they updated to the latest phpBB version earlier this week.

Mark
by 1024MAK
Sun Feb 18, 2018 1:04 am
Forum: Sinclair Misc
Topic: The Future of Sinclair ZX World
Replies: 57
Views: 3241

Re: The Future of Sinclair ZX World

Here's a image showing the top banner prior to the update:-
IMG_6504.JPG
Banner
(153.69 KiB) Downloaded 107 times
Mark
by 1024MAK
Sat Feb 17, 2018 6:46 pm
Forum: Sinclair Misc
Topic: The Future of Sinclair ZX World
Replies: 57
Views: 3241

Re: The Future of Sinclair ZX World

Although I notice that we have the default phpBB logo on the top left of every page now instead of the site logo :(

Mark
by 1024MAK
Sat Feb 17, 2018 6:44 pm
Forum: Sinclair Misc
Topic: The Future of Sinclair ZX World
Replies: 57
Views: 3241

Re: The Future of Sinclair ZX World

Yes, it does seem a bit quicker :D

Mark
by 1024MAK
Sat Feb 17, 2018 12:39 am
Forum: Hardware
Topic: Problem with my new ZXpand+
Replies: 19
Views: 419

Re: Problem with my new ZXpand+

Definitely worthwhile cleaning the edge-connector ;)

Mark
by 1024MAK
Mon Feb 12, 2018 1:12 am
Forum: Hardware
Topic: My first wire wrap: Wilf's AT keyboard interface
Replies: 43
Views: 1429

Re: My first wire wrap: Wilf's AT keyboard interface

The keyboard uses the Z80's I/O instructions. It is documented (but only in some of the Z80 documentation) that when an I/O instruction puts an address on address bus lines A0 to A7, it also puts a value on address lines A8 to A15. What is put on these depends on the instruction. For example: IN A,(...
by 1024MAK
Sun Feb 11, 2018 5:08 pm
Forum: Hardware
Topic: Alcohol and AL
Replies: 2
Views: 97

Re: Alcohol and AL

Nooo! Keep solvents away from membranes :o Only use (mild) soapy water on membrane keyboards ;) Follow with a rinse of clean water. Unless you live in a soft water area, I suggest deminiaturised water is used. Otherwise ensure that the water droplets are wiped off with a lint free cloth. Also with s...