Search found 318 matches

by gammaray
Mon Jan 15, 2018 4:20 am
Forum: Development
Topic: old magazine article -- interesting ! ??
Replies: 8
Views: 205

Re: old magazine article -- interesting ! ??

I'll check for article on Interlibrary Loan/WorldCAT at University and get it PDFed to me.
by gammaray
Sun Jan 14, 2018 4:44 am
Forum: GAMES
Topic: Sea Dragon
Replies: 1
Views: 73

Sea Dragon

I give this a big thumbs up! Love playing this game. Thanks sirmorris
by gammaray
Sun Jan 14, 2018 2:33 am
Forum: Hardware
Topic: My first wire wrap: Wilf's AT keyboard interface
Replies: 5
Views: 207

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

Exactly the reason to wirewrap, you can change your prototype!

Nice!

Were you able to find the program mentioned "keyb18xa.bas" or starting without?

Found this...
https://www.phanderson.com/picaxe/
by gammaray
Sun Jan 14, 2018 2:25 am
Forum: Emulators
Topic: Eightyone and Sound
Replies: 3
Views: 90

Eightyone and Sound

:) Suggested hardware configuration: ZX81, ZXpand+, UDG-4-ZXpand, Joystick. EO configuration (V1.6+): ZXpand, AY sound, CHR$16 character generator, RAM at 8K, protect ROM from writes. I am using EightyOne 1.7 to run "Zedragon" I have it running on Windows. For sound in EO, the post says use AY. I do...
by gammaray
Fri Jan 12, 2018 8:40 pm
Forum: Hardware
Topic: Chroma 81 - SCART and Colour interface for the ZX81
Replies: 133
Views: 8401

Re: Chroma 81 - SCART and Colour interface for the ZX81

mrtinb wrote:
Fri Jan 12, 2018 8:30 pm
gammaray wrote:
Fri Jan 12, 2018 6:53 pm
Is Chroma compatible with the UDG characters using the UDG board by Andy, is it?
If I remember correctly Chroma implements UDG by itself.
Sorry, I thought this needed a on of the Fruitcake ROM cards. RTFM...
by gammaray
Fri Jan 12, 2018 6:54 pm
Forum: Hardware
Topic: Chroma 81 - SCART and Colour interface for the ZX81
Replies: 133
Views: 8401

Re: Chroma 81 - SCART and Colour interface for the ZX81

Maybe the eyes could be program to alternate color switching back and forth from green to blue. Hmm.
by gammaray
Fri Jan 12, 2018 6:53 pm
Forum: Hardware
Topic: Chroma 81 - SCART and Colour interface for the ZX81
Replies: 133
Views: 8401

Re: Chroma 81 - SCART and Colour interface for the ZX81

Is Chroma compatible with the UDG characters using the UDG board by Andy, is it?

Vicious lie! I believe it was said not to work with ZXpand...

I will have to get one and try, I have been working on a compatibility chart.
by gammaray
Fri Jan 12, 2018 6:25 pm
Forum: Development
Topic: old magazine article -- interesting ! ??
Replies: 8
Views: 205

Re: old magazine article -- interesting ! ??

dessony wrote:
Thu Jan 11, 2018 6:55 pm
Count me in! :D And, can you post one more article (ComputerDigest, Feb. 1985) here?

DesSony
Oh yes do you have the follow-up article?
by gammaray
Fri Jan 12, 2018 1:12 am
Forum: Welcome Area
Topic: Hi from Austria
Replies: 4
Views: 113

Re: Hi from Austria

Yee Haw! (for effect)
by gammaray
Tue Jan 09, 2018 5:32 pm
Forum: Hardware
Topic: zx spectrum in zx81 case
Replies: 41
Views: 1327

Re: zx spectrum in zx81 case

Interesting choice of travel... Since there is a CPLD or FPGA sitting there, it would presumably be possible to create a ZX80/81/Spectrum switchable in the same case? Interesting and worthy concept, I wish I knew how! There would have to be a change in bus layout. Maybe a driver/buffer board to swi...