Search found 1165 matches

by mrtinb
Tue Mar 17, 2020 3:26 pm
Forum: SALES
Topic: Exatron Stringy Floppy and CAI/O Interface
Replies: 18
Views: 3986

Re: Exatron Stringy Floppy and CAI/O Interface

And you overbid me ;)
by mrtinb
Tue Mar 17, 2020 2:38 pm
Forum: ZX BASIC
Topic: ZX81X2.ROM - and the big bang
Replies: 43
Views: 24141

Re: ZX81X2.ROM - and the big bang

It should be in the ZXmore manual. It was in the ZXblast manual.
by mrtinb
Tue Mar 17, 2020 2:31 pm
Forum: ZX BASIC
Topic: ZX81X2.ROM - and the big bang
Replies: 43
Views: 24141

Re: ZX81X2.ROM - and the big bang

If I remember correctly. You kan load any ROM into ZXmore. I know this from ZXblast, which I have. And ZXmore and ZXblast should be quite similar.

I have the fast ROM in instance 3, and regular ROM is instance 1.
by mrtinb
Fri Feb 28, 2020 6:53 am
Forum: Development
Topic: How to place assembly code at a specific address with z88dk ?
Replies: 4
Views: 1985

Re: How to place assembly code at a specific address with z88dk ?

Z88dk has built in support for graphics on the ZX81. But I don’t think pseudo hires is supported. I know WRX and UDG graphics is created with z88dk libraries.
by mrtinb
Fri Feb 28, 2020 6:45 am
Forum: Welcome Area
Topic: Understanding ZX81 signals to Timex/Sinclair Printers
Replies: 14
Views: 3887

Re: Understanding ZX81 signals to Timex/Sinclair Printers

A printer emulator as you describe Paul can be achieved with a Memotech Centronics interface and RWAP’s RetroPrinter. https://www.retroprinter.com/

But I assume a ESP32 directly on the ZX81 would make a cheaper interface than Memotech I/F + RetroPrinter + Raspberry Pi.
by mrtinb
Tue Feb 25, 2020 7:22 am
Forum: Hardware
Topic: TS1000 white screen but no K
Replies: 34
Views: 5621

Re: TS1000 white screen but no K

I have used this Arduino shied to “burn” my EEPROMS. http://web.archive.org/web/201711091044 ... prommer-en
by mrtinb
Mon Feb 24, 2020 9:15 pm
Forum: Hardware
Topic: TS1000 white screen but no K
Replies: 34
Views: 5621

Re: TS1000 white screen but no K

I don’t know.

I just looked at the data sheet for both of them, and created my own adapter.
by mrtinb
Mon Feb 24, 2020 4:35 pm
Forum: Hardware
Topic: TS1000 white screen but no K
Replies: 34
Views: 5621

Re: TS1000 white screen but no K

I've had success with AT28C64 EEPROMs that can be programmed with an Arduino. Then I made an adaptor board with stripboard.

Image
by mrtinb
Tue Feb 18, 2020 10:05 am
Forum: Hardware
Topic: ZX80 Assembly Instructions
Replies: 9
Views: 3025

Re: ZX80 Assembly Instructions

(I use Amazon S3 for files that need linked to from other HTML, and Mega.NZ for large files.)
by mrtinb
Tue Feb 18, 2020 7:01 am
Forum: Development
Topic: macOS Quicklook plugin for ZX81 files
Replies: 2
Views: 1279

Re: macOS Quicklook plugin for ZX81 files

Thank you for your great work. It will be a pleasure to have this addition.