Search found 77 matches
- Sat May 21, 2022 1:31 pm
- Forum: Hardware
- Topic: Hi-Res once and for all, PLEASE
- Replies: 2
- Views: 927
Re: Hi-Res once and for all, PLEASE
Thank you.
- Sat May 21, 2022 1:00 pm
- Forum: Hardware
- Topic: Hi-Res once and for all, PLEASE
- Replies: 2
- Views: 927
Hi-Res once and for all, PLEASE
Can someone please explain to me in technical terms how the Hi-Res on a ZX81 work? I have tried modifying a homemade pack I build using a 7400 and 62256 from a design by Grant Searle to no avail. Please see my post: https://sinclairzxworld.com/viewtopic.php?f=7&t=3411&start=20 The thread had gone st...
- Mon May 16, 2022 4:34 pm
- Forum: Hardware
- Topic: RAMPACK and Hi-RES mod ?
- Replies: 23
- Views: 12407
Re: RAMPACK and Hi-RES mod ?
To be honest I've made this mode with 1N4148 diodes and it works without any issues. Regarding NAND gates logic, the circuit would be as shown below: Hi friends, A while ago I built a ZX81 16K RAM pack using a design from Grant Searle. It works perfectly, but hi-res programs display rubbish. So I t...
- Mon Nov 22, 2021 1:04 pm
- Forum: Hardware
- Topic: Zx81 ram pack
- Replies: 10
- Views: 3221
Re: Zx81 ram pack
My attempt. Also works on ZX81
- Tue Dec 08, 2020 12:25 pm
- Forum: SALES
- Topic: ZX80 replica main board checking for interest
- Replies: 5
- Views: 5303
Re: ZX80 replica main board checking for interest
May I ask what the community think a fair price would be?
- Tue Dec 08, 2020 10:14 am
- Forum: SALES
- Topic: ZX80 replica main board checking for interest
- Replies: 5
- Views: 5303
Re: ZX80 replica main board checking for interest
Yeah, on second thought you're right. Thanks.
- Mon Dec 07, 2020 12:32 pm
- Forum: SALES
- Topic: ZX80 replica main board checking for interest
- Replies: 5
- Views: 5303
ZX80 replica main board checking for interest
I'm trying to see what the level of interest would be in my ZX80 replica board.
I'm looking to get ~£300
Any interest?
I'm looking to get ~£300
Any interest?
- Wed May 13, 2020 6:31 pm
- Forum: ZX Spectrum Lounge
- Topic: Photo of my TC-2048
- Replies: 9
- Views: 18039
Re: Photo of my TC-2048
What's the number on that big SCLD chip in the middle?
- Wed May 13, 2020 6:27 pm
- Forum: ZX Spectrum Lounge
- Topic: Photo of my TC-2048
- Replies: 9
- Views: 18039
Re: Photo of my TC-2048
gorgeous machine!
- Wed May 13, 2020 5:28 pm
- Forum: ZX Spectrum Lounge
- Topic: Timex Sinclair 2048 replica!
- Replies: 3
- Views: 11134
Re: Timex Sinclair 2048 replica!
Nice work!