Search found 1566 matches

by Paul
Tue Oct 08, 2024 11:48 am
Forum: Hardware
Topic: Decode UHF TV ZX81 signal with SDR
Replies: 5
Views: 954

Re: Decode UHF TV ZX81 signal with SDR

256x192
by Paul
Mon Sep 23, 2024 12:18 pm
Forum: Hardware
Topic: Is there any 256x192 TFT display screen ?
Replies: 3
Views: 987

Re: Is there any 256x192 TFT display screen ?

I don't know any.
I always use 320x240 screens that are widely available.
by Paul
Sat Sep 07, 2024 12:55 pm
Forum: Hardware
Topic: ZX80 Modulator problem?
Replies: 7
Views: 3850

Re: ZX80 Modulator problem?

Good you got it sorted :ugeek:
by Paul
Sun Sep 01, 2024 11:28 pm
Forum: Welcome Area
Topic: Sorry I haven't been around
Replies: 14
Views: 7560

Re: Sorry I haven't been around

Hba1 is the long term sugar indicator. It only shows that over a long period it's neither to low nor to high. I recently bought and used a freestyle libre sensor that monitors your blood sugar narrow over two weeks. It shows any deviation to the normal high or low. If it doesn't show real problems i...
by Paul
Wed Aug 21, 2024 11:37 am
Forum: Hardware
Topic: Need help reverse engineering Timex Store Demonstrator ROM file
Replies: 93
Views: 35272

Re: Need help reverse engineering Timex Store Demonstrator ROM file

YouTube tells me that this Video ist private and doesn't Show it's content
by Paul
Sun Aug 18, 2024 12:23 pm
Forum: Emulators
Topic: ZX80 / ZX81 Emulator for the Raspberry Pi Pico
Replies: 55
Views: 66003

Re: ZX80 / ZX81 Emulator for the Raspberry Pi Pico

Full chroma Support for ZX80 (and 81) would be great. I will have to check out the current version and see if everything ZX80 and chroma is already working ;) And there is much more RAM and FLASH in the Pico2. You can contact me if you want a Pico2 board with joystick and original keyboard or whatev...
by Paul
Fri Aug 16, 2024 12:12 pm
Forum: Emulators
Topic: ZX80 / ZX81 Emulator for the Raspberry Pi Pico
Replies: 55
Views: 66003

Re: ZX80 / ZX81 Emulator for the Raspberry Pi Pico

Any intentions to use Pico2?
by Paul
Mon Aug 12, 2024 7:24 pm
Forum: Hardware
Topic: ZX80 Modulator problem?
Replies: 7
Views: 3850

Re: ZX80 Modulator problem?

The Input of the ZX80 Modulator can be used as video out.so you can rule out RF problems.
The 74lsxxx producing it are insensitive to load.
NEVER try this on a ZX81 because the ULA that produces the output is VERY SENSITIVE.
by Paul
Tue Aug 06, 2024 7:05 am
Forum: Hardware
Topic: [Kicad] ZX81 share zone...
Replies: 31
Views: 14644

Re: [Kicad] ZX81 share zone...

Thank you for posting your projects.
I love them.
by Paul
Tue Aug 06, 2024 6:57 am
Forum: Emulators
Topic: EO and SAVE/LOAD rom patches?
Replies: 7
Views: 5075

Re: EO and SAVE/LOAD rom patches?

Maybe I don't understand the question.
Whenever I want to try out a ROM in EO I rename an existing ROM in the ROM folder and replace it with my test ROM