Search found 5 matches

by matalog
Fri Feb 26, 2021 2:26 pm
Forum: Hardware
Topic: Spectrum 128K toastrack jail bars?
Replies: 17
Views: 2460

Re: Spectrum 128K toastrack jail bars?

Sorry, that should have been 1nF caps below the RAM, I believe it is over the power lines between, but have a look at this video of it being done to a +2.

https://www.youtube.com/watch?v=prFIgkQS_A0
by matalog
Fri Feb 26, 2021 1:23 am
Forum: Hardware
Topic: Spectrum 128K toastrack jail bars?
Replies: 17
Views: 2460

Re: Spectrum 128K toastrack jail bars?

I think you have to replace all caps initially. Then replace C28 with a 47uF capacitor (original is 22uF, right of the 5 way keyboard connector) Replace caps C7 and C8 with 1uF ceramic capacitors (next to IC12 and IC13 RAM chips, bottom left of the board). You could also add 1uF caps underneath the ...
by matalog
Fri Feb 26, 2021 1:20 am
Forum: Software
Topic: Trying to enter a line from a book fails for some reason
Replies: 8
Views: 14550

Re: Trying to enter a line from a book fails for some reason

It's always tricky when you don't know about the tokenised keys. Try using 128k BASIC, and you can just type the words in, all you have to do is spell them correctly and they will be recognised.
by matalog
Fri Feb 26, 2021 1:16 am
Forum: Spectrum BASIC
Topic: Decimal Value
Replies: 8
Views: 5329

Re: Decimal Value

Where do you install such a card on a Spectrum?
by matalog
Fri Feb 26, 2021 1:13 am
Forum: ZX BASIC
Topic: Disable and Enable BREAK at will.
Replies: 9
Views: 4614

Re: Disable and Enable BREAK at will.

Nice. Thanks for that.