Search found 3231 matches

by Moggy
Mon Mar 18, 2024 11:57 am
Forum: Development
Topic: Enhanced ARX True High Resolution Display Driver
Replies: 13
Views: 633

Re: Enhanced ARX True High Resolution Display Driver

Works with SZ-81 ok.
by Moggy
Mon Mar 18, 2024 11:30 am
Forum: ZX BASIC
Topic: Strange integer behaviour
Replies: 11
Views: 536

Re: Strange integer behaviour

Internally accurate to 9 - 10 digits with 8 displayed after rounding.
by Moggy
Thu Mar 14, 2024 5:04 pm
Forum: Hardware
Topic: Atari joystick without ZXpand+
Replies: 33
Views: 1064

Re: Atari joystick without ZXpand+

The Cheetah.
by Moggy
Thu Mar 14, 2024 4:59 pm
Forum: Hardware
Topic: Atari joystick without ZXpand+
Replies: 33
Views: 1064

Re: Atari joystick without ZXpand+

This be the beast.
by Moggy
Thu Mar 14, 2024 4:36 pm
Forum: Hardware
Topic: Atari joystick without ZXpand+
Replies: 33
Views: 1064

Re: Atari joystick without ZXpand+

@Michelle.

I have found two interfaces for the Zeddy one a Cheetah the other unknown. I do Have a Kempston but this I seem to remember, unlike what Mark describes, has the extra tangs as used on a Spectrum interface.

Anyhow just PM where you want them sending and I'll do the rest. :D

No charge.
by Moggy
Thu Mar 14, 2024 2:28 pm
Forum: Hardware
Topic: Atari joystick without ZXpand+
Replies: 33
Views: 1064

Re: Atari joystick without ZXpand+

I'm fairly certain I have a Kempston interface for the 81 somewhere, which I acquired in a job lot. I have no use for it so if I can dig it out you are more than welcome to it.
by Moggy
Wed Mar 13, 2024 2:54 pm
Forum: Hardware
Topic: ROM base for ZXpand+
Replies: 2
Views: 197

Re: ROM base for ZXpand+

According to Charlie it's based on the 622 ROM, but stripped of its Character table and the printer routines to make room for those needed by the spand. When in use the spands ROM points to the character table in the zeddy ROM for its needs and obviously CONFIG X is required to use the zeddy ROM for...
by Moggy
Mon Mar 11, 2024 5:04 pm
Forum: Software
Topic: Forth Hints & Tips: Kaleidoscope
Replies: 11
Views: 765

Decimals in Forth. Part two.

Part two. Continuing on with our exploration of decimals in Forth we shall explore number formatting and the use of the system variable DPL. At this point I would like to recommend a most excellent Forth publication which is not only based on Forth-79 but whose superb, pertinent examples and exercis...
by Moggy
Mon Mar 11, 2024 2:57 pm
Forum: Development
Topic: werewolf for the zx81 16k
Replies: 11
Views: 780

Re: werewolf for the zx81 16k

Excellent Siggi! Except you left a space between . "
:lol: :lol: :lol: :lol: :lol:
by Moggy
Sun Mar 10, 2024 9:55 pm
Forum: Software
Topic: Forth Hints & Tips: Kaleidoscope
Replies: 11
Views: 765

Decimals in Forth. Part one.

Toddy Forth79. Part one. Forth is, are most of you maybe aware, is generally regarded by many as an integer only language, lacking decimals it can seem at first to be off putting to those learning Forth but require a decimal point or two to raise its head. There are however a couple of nice ways to ...