Search found 84 matches

by xubuntu
Fri Mar 24, 2023 7:31 pm
Forum: Hardware
Topic: Doctors, will it live or it's finished?
Replies: 3
Views: 1008

Re: Doctors, will it live or it's finished?

Ok I got it. This is an exclusive zx80 zx81 club.

Hellooooooo????????

Have you heard of the zx spectrum ?
by xubuntu
Fri Mar 24, 2023 7:20 pm
Forum: Development
Topic: Calculator for the zx81
Replies: 21
Views: 2813

Re: Calculator for the zx81

I will work on my superior project tomorrow and try to understand what you guys are saying... For the moment I am trying to figure out why literally none in this forum has a sense of humor... I will say this though: Without the initial assistance of Doctor Beep this project would had stopped in the ...
by xubuntu
Fri Mar 24, 2023 3:33 pm
Forum: Development
Topic: Calculator for the zx81
Replies: 21
Views: 2813

Re: Calculator for the zx81

Is that the same country that gave birth to Monty Python?

What happened to you.... England....
by xubuntu
Fri Mar 24, 2023 12:23 pm
Forum: Hardware
Topic: Doctors, will it live or it's finished?
Replies: 3
Views: 1008

Doctors, will it live or it's finished?

I connected reverse polarity cataloth + to + and this happened.

Did everything burn or could I change something specific?

Could this be the ULA? Could this be anything?

Image
by xubuntu
Fri Mar 24, 2023 11:44 am
Forum: Development
Topic: Calculator for the zx81
Replies: 21
Views: 2813

Re: Calculator for the zx81

I made progress and thus I am obligated to upload my superior code on this obsolete and god-forsaken forum, because what if my computer suddenly explodes and humanity suffers the loss of the most futuristic calculator ever made for zx81? That of course can't be tolerated. At that point I would like ...
by xubuntu
Thu Mar 23, 2023 7:15 am
Forum: Development
Topic: Calculator for the zx81
Replies: 21
Views: 2813

Re: Calculator for the zx81

Doctor Beep I was hoping that we will co-operate on this one, after checking out your enormous BASIC experience.

But anyway, if you are more concerned building games, as it seems, perhaps write down how the "add to string" function works and I will continue from there.

:cry:
by xubuntu
Wed Mar 22, 2023 1:25 pm
Forum: Development
Topic: Calculator for the zx81
Replies: 21
Views: 2813

Re: Calculator for the zx81

So let's see.. In visual basic when you press a button, let's say "3" for example, you can do this on button "3" click if textbox = 0 then textbox = 3 else textbox +=3 And if there is already a string in our textbox, for example "321", our program will place the character "3" next to our string "321...
by xubuntu
Wed Mar 22, 2023 12:31 pm
Forum: ZX BASIC
Topic: Silly Questions
Replies: 19
Views: 2367

Re: Silly Questions

Not the assembly but I will see the machine code instructions.

When you type "list" the program gets from somewhere and lists the code. Where from ?
by xubuntu
Wed Mar 22, 2023 9:44 am
Forum: ZX BASIC
Topic: Silly Questions
Replies: 19
Views: 2367

Re: Silly Questions

ok then. So... We make a "new" program and we type in basic 10 CLS which is in assembly call $0a02 which is in machine language cd 2a 0a which is in decimal 205 42 10 So PRINT PEEK 16509 should return 205 PRINT PEEK 16510 should return 42 and PRINT PEEK 16511 should return 10 . And yet, PRINT PEEK 1...
by xubuntu
Wed Mar 22, 2023 7:43 am
Forum: ZX BASIC
Topic: Silly Questions
Replies: 19
Views: 2367

Re: Silly Questions

When we execute "run" in basic, where does it jump to? At which memory location the "run" command starts at? It's always the same address, isn't it?