Search found 390 matches

by gammaray
Sat Feb 24, 2018 11:56 pm
Forum: Development
Topic: TAZMANIAC
Replies: 24
Views: 1004

Re: TAZMANIAC

STEP 1:
IMG_20180224_152847.jpg
by gammaray
Sat Feb 24, 2018 11:54 pm
Forum: Development
Topic: TAZMANIAC
Replies: 24
Views: 1004

Re: TAZMANIAC

Is that saw too big for this project? See any problem using it to get off RF modulator?
IMG_20180224_131853.jpg
by gammaray
Sat Feb 24, 2018 5:41 pm
Forum: Sinclair Misc
Topic: Yerzmyey featured on heise.de
Replies: 4
Views: 97

Re: Yerzmyey featured on heise.de

I went past the first 10 blank pages and quit looking because there were 20 more!
by gammaray
Sat Feb 24, 2018 4:18 pm
Forum: Hardware
Topic: Memotech HRG: ROM mirroring!
Replies: 17
Views: 339

Re: Memotech HRG: ROM mirroring!

I assume this will only work when the Memotech HRG is connected. Otherwise it would be cool to use the internal 1k for ROM customization.
In the 0-8K range? With a new chip select memory decoder for internal ROM RAM using techniques like Wilfs? Forcing ROMCS low?
by gammaray
Fri Feb 23, 2018 11:16 pm
Forum: Sinclair Misc
Topic: Yerzmyey featured on heise.de
Replies: 4
Views: 97

Re: Yerzmyey featured on heise.de

I cannot get the translate on Firefox from Google, gives error. Anyone else?
by gammaray
Fri Feb 23, 2018 7:11 pm
Forum: Hardware
Topic: Memotech HRG: ROM mirroring!
Replies: 17
Views: 339

Re: Memotech HRG: ROM mirroring!

All Pokes are sent to the buffer... how replace the main rom. The HRG Rom is located at &2000, and can't be the buffer Ram // or // the poked byte is redirect in a ram at the same location.. Does Wilf Rigter's article on memory have any indication bearing on how this could be done with switching of...
by gammaray
Thu Feb 22, 2018 4:38 pm
Forum: Hardware
Topic: Memotech HRG: ROM mirroring!
Replies: 17
Views: 339

Re: Memotech HRG: ROM mirroring!

translation memotech.png
Very ZEN...or very THEN which will get you THEN!

Immerse yourself into "being the program" ;)
by gammaray
Wed Feb 21, 2018 2:13 am
Forum: Hardware
Topic: TI99/4A KEYBOARD ADAPTATION
Replies: 26
Views: 1060

Re: TI99/4A KEYBOARD ADAPTATION

D3 AND D4 should be crossed for Speccy operation so DPDT switch should work.
by gammaray
Tue Feb 20, 2018 11:30 pm
Forum: Welcome Area
Topic: Welcome to the SINCLAIR ZX WORLD forums
Replies: 9
Views: 260

Re: Welcome to the SINCLAIR ZX WORLD forums

Here! Here! ... With an capitalized DITTO! (What he said.)
by gammaray
Tue Feb 20, 2018 7:35 pm
Forum: Hardware
Topic: TI99/4A KEYBOARD ADAPTATION
Replies: 26
Views: 1060

Re: TI99/4A KEYBOARD ADAPTATION

Danmoore used 12" ribbon! He is pushing the envelope. Not really, I would expect 6' to be a problem. I could test it...