Search found 196 matches

by LordVaderUK
Thu Jun 18, 2020 2:13 pm
Forum: general
Topic: Today I received.....
Replies: 5859
Views: 527181

Re: Today I received.....

IMG_3610.jpeg
Mr Birnbaum and I are settling down with a cup of tea to see what he can teach me!
by LordVaderUK
Thu Jun 18, 2020 12:53 pm
Forum: programming
Topic: Maximising memory for BASIC program
Replies: 23
Views: 987

Re: Maximising memory for BASIC program

Thanks guys. I don't want to use trickery like compaction or emulators unless I get desperate. A big part of the fun for me is nostalgia; I'm writing it on a real BBC B and imagining it's the early 80's and I've just got hold of a BBC:) I am willing to go that route if I must but it will sap a lot ...
by LordVaderUK
Fri Jun 12, 2020 5:32 pm
Forum: 8-bit acorn software: other
Topic: Co-processor Menu
Replies: 9
Views: 574

Re: Co-processor Menu

This is excellent, and I too have a ropey bit of paper with all the *FX230,152,... codes. Can you please humour an idiot (me) and post an idiot’s guide to installing and using this? I don’t know for example what a $.Library file is :oops:
by LordVaderUK
Thu Jun 11, 2020 5:54 pm
Forum: programming
Topic: Character editor
Replies: 10
Views: 323

Re: Character editor

Thanks for this, I'm trying to use the BFont library but ... well, is it me, or is there a bug in this code?! ...specifically, a rogue extra 'REPEAT' statement in line 270?? Certainly, the code doesn't seem to work unless I remove it :shock: You're right! Have a banana! :) I'll update the library. ...
by LordVaderUK
Thu Jun 11, 2020 9:55 am
Forum: programming
Topic: Character editor
Replies: 10
Views: 323

Re: Character editor

A saved VDU font file can be "loaded" by just OPENIN'ing it and VDU'ing it. A saved binary font file can be loaded with a loop that goes through each character and VDU's the eight parameters, both can be done with the BFont_Load() procedure in the BFont library Thanks for this, I'm trying to use th...
by LordVaderUK
Thu Jun 11, 2020 5:14 am
Forum: for sale / freebies
Topic: Care Electronics Plug in ROM cart for the Beeb for sale
Replies: 7
Views: 375

Re: Care Electronics Plug in ROM cart for the Beeb for sale

I’m interested in the assembly book, if you’re interested in splitting that off as a single item?
by LordVaderUK
Tue Jun 09, 2020 7:29 pm
Forum: introduce yourself
Topic: here is a new frog challenger
Replies: 20
Views: 955

Re: here is a new frog challenger

Salut Laurent, bienvenue a notre forum magnifique. Si vous chercher les infos sur les ordinateurs rétro - ici est l'endroit!

Desolé pour ma Français mauvaise :shock:
by LordVaderUK
Sat Jun 06, 2020 9:15 pm
Forum: archive requests
Topic: Wanted - unusual floppy images
Replies: 8
Views: 303

Re: Wanted - unusual floppy images

Just tried googling 'Unusual floppy images' to help you out --- won't be doing that again and I dread to think what my Google Ads are going to be for the next few weeks :oops:
by LordVaderUK
Sat Jun 06, 2020 3:58 pm
Forum: new projects and releases: text and graphic adventures
Topic: MoonBase Escape - Rev2!
Replies: 2
Views: 179

Re: MoonBase Escape - Rev2!

For your next challenge I recommend you have a go at writing an assembly language game, even if it's a conversion of MoonBase to start with. You'll find as I did that it's a great way of learning the language and you don't have to worry about "out of memory" messages. If you write it in Beebasm whi...
by LordVaderUK
Wed Jun 03, 2020 6:53 pm
Forum: programming
Topic: Character editor
Replies: 10
Views: 323

Re: Character editor

The editor window shows the values of each line of the bitmap, the parameters to a VDU 23,n sequence. Ah yes, sorry I knew that, should have made myself clearer. When I save the characters to a file, there’s an option to save in VDU format. I assumed this would be a text file full of VDU 23, statem...
by LordVaderUK
Wed Jun 03, 2020 5:30 pm
Forum: programming
Topic: Character editor
Replies: 10
Views: 323

Re: Character editor

jgharston wrote:
Wed Jun 03, 2020 3:14 pm
http://mdfs.net/Apps/Font/ : DefChar
Thank you - exactly what I needed! Looks like you wrote it (very impressed) - can you tell me how to extract the resultant VDU statements so I can include them in my BASIC code?
by LordVaderUK
Wed Jun 03, 2020 2:56 pm
Forum: programming
Topic: Character editor
Replies: 10
Views: 323

Character editor

Can anyone direct me to a simple character editor to allow redefinition of ASCII chars 224 to 255? I have tried googling, and searching here, but haven't found anything that works yet. Failing that, I may have to write my own, in which case, how does one read the current 8 byte make up of one of the...
by LordVaderUK
Mon Jun 01, 2020 1:07 pm
Forum: programming
Topic: Reducing Basic Program Size
Replies: 34
Views: 1878

Re: Reducing Basic Program Size

One way programs can use space unnecessarily is having two copies of things in memory: one copy in a program statement defining it, and another copy in its intended location in memory. As you mentioned, the classic example is DATA statements - the data exists twice, in the DATA statements themselve...
by LordVaderUK
Sun May 31, 2020 2:31 pm
Forum: new projects and releases: text and graphic adventures
Topic: MoonBase Escape - Rev2!
Replies: 2
Views: 179

MoonBase Escape - Rev2!

During lockdown I've been working on a new, improved version of my text adventure - MoonBase Escape , and it's now ready for you to try / break! It's the same story as the original game, but with an expanded map and some new puzzles. It even has a couple of cheesy sound effects :lol: (type SFX to to...
by LordVaderUK
Sat May 30, 2020 10:32 pm
Forum: 8-bit acorn emulators
Topic: b2 - new emulator
Replies: 136
Views: 15423

Re: b2 - new emulator

Both fixed, I hope. The latest version was missing some libraries it now needs - this step is now automated, so it shouldn't happen again. The ROM path issues should hopefully be fixed by the makeover I've given the configs/ROMs system. The dialog has changed a bit (feedback sought...), and there's...
by LordVaderUK
Fri May 29, 2020 10:52 am
Forum: 8-bit acorn emulators
Topic: b2 - new emulator
Replies: 136
Views: 15423

Re: b2 - new emulator

Hi @LordVaderUK ... quick question: Where are you running B2 from? Do you run it from the Downloads folder or do you copy it to Applications? If you're downloading it straight to the Downloads folder and running it directly from there, it might be worthwhile copying it to the Applications folder an...
by LordVaderUK
Fri May 29, 2020 9:19 am
Forum: 8-bit acorn emulators
Topic: b2 - new emulator
Replies: 136
Views: 15423

Re: b2 - new emulator

Ugh, sorry about this - I'll investigate at the weekend. A quick google suggests this might be due to some quarantine/sandbox sort of affair that I've yet to fall foul of myself, but my recent changes could easily have broken something. I'll fiddle about for a bit, hopefully I'll be able to get som...
by LordVaderUK
Thu May 28, 2020 7:32 pm
Forum: 8-bit acorn emulators
Topic: b2 - new emulator
Replies: 136
Views: 15423

Re: b2 - new emulator

Hi Tom, I've been using b2 for some weeks now to test the new text adventure I'm writing, and it has been great. I kept encountering an error whereby I'd create a copy config of a BBC Master, and add a couple of ROMs. This config would work fine for a while but then when selected would come up with ...
by LordVaderUK
Wed May 27, 2020 2:45 pm
Forum: other vintage hardware, software and languages
Topic: Surf Champ - ZX Spectrum
Replies: 0
Views: 166

Surf Champ - ZX Spectrum

Wow, don't remember this, does anyone else?

https://www.bbc.co.uk/sport/52682338

A surfing simulator for the Spectrum which came with a miniature surfboard which you placed on the keyboard for 'realism'...!
_112327487_surfchamp.jpg
by LordVaderUK
Wed May 27, 2020 2:32 pm
Forum: new projects and releases: text and graphic adventures
Topic: MoonBase2 - Any sound experts out there?
Replies: 5
Views: 228

Re: MoonBase2 - Any sound experts out there?

Helpful, thanks. I've also done a fair bit of googling to look for example programs and have turned up a couple of examples which I can use.

Still looking for a few more though (see original post). If only there was some sort of sound archive out there for BBC BASIC...!
by LordVaderUK
Tue May 26, 2020 7:11 pm
Forum: new projects and releases: text and graphic adventures
Topic: MoonBase2 - Any sound experts out there?
Replies: 5
Views: 228

MoonBase2 - Any sound experts out there?

I am just about to publish (makes it sound very grand) the new version of my MoonBase adventure, with an expanded map and new puzzles. I'll be looking for testers so if that sounds interesting please keep an eye out here :wink: One suggestion from a previous tester was to add some sound. I haven't g...
by LordVaderUK
Thu May 21, 2020 8:21 pm
Forum: the complete BBC games archive
Topic: Bug in The Golden Figurine
Replies: 40
Views: 1784

Re: Bug in The Golden Figurine

I have watched and read this thread with admiration - the skills on show, debugging a 30+ year old programme! It's been like watching a detective solve a crime by following the clues and gathering evidence :shock:
by LordVaderUK
Thu May 21, 2020 4:56 pm
Forum: general
Topic: Today I received.....
Replies: 5859
Views: 527181

Re: Today I received.....

Two deliveries for me today, firstly a box of programming books from Bart's collection, hopefully there'll be some ideas in here to further improve my programming (and get MoonBase2 to actually fit on a BBC B :roll: ) Also, an eBay win, £1.50 for these three, to add to my slowly increasing collectio...
by LordVaderUK
Tue May 19, 2020 9:45 am
Forum: programming
Topic: PACK utility for a Mac?
Replies: 1
Views: 148

PACK utility for a Mac?

Hi all, well I am sure you will be very excited to hear that development on "MoonBase Escape" version 2 is nearing completion... :lol: For those who can't wait for the new version, a reminder that version 1 is still available for your download, delight and delectation here ... I have used the *PACK ...
by LordVaderUK
Sun May 10, 2020 5:58 pm
Forum: 8-bit acorn hardware
Topic: Retrobrited my Master
Replies: 1
Views: 191

Retrobrited my Master

Took advantage of lockdown, sunshine and no work to finally strip down my Master and retrobrite the case. Used cream hydrogen peroxide. As you can see, it worked incredibly well! First pic is the “before” shot, with the yellowed top cover over the inside of the bottom cover, for contrast. IMG_3402.j...
by LordVaderUK
Mon May 04, 2020 7:10 pm
Forum: new projects and releases: text and graphic adventures
Topic: A simple text adventure: MoonBase Escape
Replies: 53
Views: 1967

Re: A simple text adventure: MoonBase Escape

Well after the rip roaring success and world wide adulation for MoonBase Escape, I've set to work on version 2 :lol: Already implemented: Multiple commands on single line, e.g. GET TORCH THEN GO NORTH THEN DROP TORCH Other fixes to the parser to streamline responses Verbose mode ON/OFF Cacheing syst...
by LordVaderUK
Wed Apr 29, 2020 10:48 pm
Forum: introduce yourself
Topic: Hello from Arkansas, USA
Replies: 17
Views: 501

Re: Hello from Arkansas, USA

Welcome - good to hear the lure of the magnificent BBC Micro (and of course its little sister the Acorn Electron and big brother BBC Master) is alive and well in the US of A. These are odd times but I’m sure once things return to some sort of normality, you will be able to find someone here with a B...
by LordVaderUK
Wed Apr 29, 2020 12:30 pm
Forum: past all-day virtual ABugs
Topic: All-day 'Virtual' Acorn session #3, Saturday 16th May 2020, 9am - 9pm. Supporting CCfCH. 50 attendees max. NOW FULL!
Replies: 125
Views: 5686

Re: Virtual Acorn meetup: May 16th 2020 supporting Cambridge Computer museum

Yes please, I will drop in and out though due to other commitments.

Great idea to support the museum =D>
by LordVaderUK
Tue Apr 28, 2020 8:15 pm
Forum: past all-day virtual ABugs
Topic: All-day 'Virtual' Acorn session #2, Saturday 2nd May 2020, 9am - 9pm
Replies: 73
Views: 2242

Re: Acorn Virtual Saturday Session. 9am - 9pm. 2/5/20

Hi all, I'd like to come along in the afternoon session - nothing in particular to discuss although I might ask for some advice re graphics routines for a program I'm developing...
by LordVaderUK
Tue Apr 28, 2020 3:58 pm
Forum: 8-bit acorn software: other
Topic: Drawing a circle in BBC BASIC
Replies: 66
Views: 5707

Re: Drawing a circle in BBC BASIC

This code: L. 10MODE2 20REPEAT 30r%=RND(512):h%=RND(1280):v%=RND(1024):c%=RND(8)-1 40IFRND(2)=1 PROCcircle(h%,v%,r%,c%) ELSE PROCfilledcircle(h%,v%,r%,c%) 50UNTIL FALSE 100DEFPROCcircle(h%,v%,r%,c%) 110VDU 29,h%;v%;:GCOL 0,c% 120x%=r%:y%=0 130LET z%=x%/2 135REPEAT 140PLOT 69,x%,y% 150PLOT 69,x%,-y%...

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