Search found 387 matches

by David G
Tue Jan 10, 2023 4:53 am
Forum: Emulators
Topic: New release of EightyOne available
Replies: 342
Views: 335315

Re: syntax error before THEN

Paul wrote: Sat Jan 07, 2023 2:15 pm How did you enter Then?
Single key?
Hmmm, if I type out T-H-E-N, then I too get a syntax error (inverse-S cursor) just before THEN

temp_editing.png
temp_editing.png (11.01 KiB) Viewed 1884 times

But if I use the keyboard THEN key (shift-3) it accepts line 20 -- and subsequently runs correctly
Keyboard.png
by David G
Tue Jan 10, 2023 4:22 am
Forum: Welcome Area
Topic: Great to see such an active forum!
Replies: 4
Views: 1675

Re: Great to see such an active forum!

Yes, good times to are still available with the ZX81. I am still learning new programming techniques with it even now

"to be had" is an English phrase that means "available", stated in the passive voice
by David G
Wed Jan 04, 2023 8:23 pm
Forum: Development
Topic: [Type_ins] The Valley of adventure: Poster Programs 1
Replies: 60
Views: 21486

Re: A 15.999K Adventure game: The Valley of adventure.

the VARS list from the original version published in "Computing Today, May 1982". The link is listed in an earlier post and is still active if you want the full article, it's an interesting read. Thanks! I've been going through that Variable list for "The Valley", and it definitely helps understand...
by David G
Tue Jan 03, 2023 1:51 am
Forum: Development
Topic: [Type_ins] The Valley of adventure: Poster Programs 1
Replies: 60
Views: 21486

Re: A 15.999K Adventure game: The Valley of adventure.

XavSnap wrote: Mon Jan 02, 2023 3:51 amY/NAGIOTH
I reckon the slash is used as an apostrophe, i.e. Y'NAGIOTH. Yes, the advertisement has "Y'Nagioth"
by David G
Tue Jan 03, 2023 1:34 am
Forum: Development
Topic: [Type_ins] The Valley of adventure: Poster Programs 1
Replies: 60
Views: 21486

Re: A 15.999K Adventure game: The Valley of adventure.

XavSnap wrote: Mon Jan 02, 2023 3:51 amSomething to loot here ?
The asterisks are gold, yes? The O is the player and the X is the exit
by David G
Sun Jan 01, 2023 10:49 pm
Forum: Development
Topic: [Type_ins] The Valley of adventure: Poster Programs 1
Replies: 60
Views: 21486

Re: A 15.999K Adventure game: The Valley of adventure.

More corrections 430 () not needed, this matches the listing 4210 YOUR should be YOU 5285 +H missing If you post an updated version I'll go through it again. changes applied: [edit 9 January 2023: change line 1508 from POKE H+V,52 to POKE M+V,52] 1 REM 000000000000000000000000000000000000 2 REM 000...
by David G
Sat Dec 31, 2022 1:56 am
Forum: Development
Topic: [Type_ins] The Valley of adventure: Poster Programs 1
Replies: 60
Views: 21486

Re: A 15.999K Adventure game: The Valley of adventure.

Here's the "patched" together listing from Internet Archive, it's probably the cleanest version. Thanks Greg. That is the"clearer" one and the problem is not that it's missing some characters, but that each page is a slightly different size so they don't quite align I see your put-together is good....
by David G
Fri Dec 30, 2022 1:29 am
Forum: Development
Topic: [Type_ins] The Valley of adventure: Poster Programs 1
Replies: 60
Views: 21486

Valley of Adventure: BASIC listing

Here is the BASIC listing type-in. I like some of Xav's improvements, but they are not included in the listing. The purpose of this is not to get a P file, but to get the basic Type-in established. Makes it easier to compare * Includes the corrections from ZX Computing magazine article ' * Includes ...
by David G
Fri Dec 30, 2022 1:01 am
Forum: Development
Topic: [Type_ins] The Valley of adventure: Poster Programs 1
Replies: 60
Views: 21486

The Valley of Adventure: published corrections

Here are the corrections from the article "Poster problems?" s in ZX Computing Magazine February-March 1983 page 47 ( scan posted previously by Fwapp). The article makes it sound like they are suggestions, but they are actually bug fixes. The program will soon error without these Post problems? In o...
by David G
Wed Dec 28, 2022 10:18 pm
Forum: Development
Topic: [Type_ins] The Valley of adventure: Poster Programs 1
Replies: 60
Views: 21486

Valley of Adventure: machine code

When i first saw this thread (thanks, xavsnap!), my first thought was "i love adventure games, let me look at that code". The first thing that caught my attention was the machine code REM statements There are five REM statements that contain machine code, which according to the Poster Program text a...