new projects in development: games • Re: Dino
By character, I meant byte horizontally and 8 high. I'll have a think as I probably misunderstood what you were suggesting.Statistics: Posted by tricky — Mon Feb 24, 2025 7:44 am
View Article8-bit acorn hardware • Re: Caps & Shift Lock LEDs stop working..?
Thanks, that is helpful. You are quite correct, both pins register 320mV when their corresponding LED is on and 5V when it is off. However, pressing the Caps & Shift don't always cause the LEDs to...
View Articleacorn & bbc micro user group (abug) events • ABUG Dev night #90, Thursday...
On Thursday there will be an ABUG Dev night at 7.30pm (GMT) on zoom.Essentials:- host will be present 7.30-9.30 but if people want to stay late for a chat, you are welcome to do so- the main event...
View Articleoff-topic • Re: Tape Stuck in VCR
Every vcr will be a bit different, but I did have similar years ago. The machanism that pulls the tape aorund was belt driven, and belt broke. Had to manually wind the machanism back with the drive...
View Article8-bit acorn hardware • Re: Soldering iron recommendation
A mid ranged weller would probably be fine, parts are cheap and readily available.I've also got a secondhand metcal off ebay, not cheap but new they were around £500-£600. You really do notice the...
View Article8-bit acorn software: other • Re: Available ram with disk loading ?
The problem is the vast number of DFS solutions available BITD. Acorn, Solidisk, Watford, Viglen, Opus,... And some of those had E00 verisons using SWRam.Then add in modern variations; MMFS, MMFS2,...
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8-bit acorn hardware • Re: Master Compact ROM socket replace?
Depending what you feel like, I made a modified chip for mine to give it all 8 ROMs like the Master, with ANFS, DFS etc also in it.. it does mean you have a 1mb 32 pin chip that actually over hangs...
View Articleprogramming • Re: Weekend coding challenge: Squares, cubes, and differences
Sorry, I didn't mean anything, just riffing on von Neumann's “Anyone who considers arithmetical methods of producing random digits is, of course, in a state of sin.”It's a nice idea to use an...
View Articlenew bbc and electron games from 'retro software' • Re: Apache Canyon for...
Brilliant. Works like a charm on my expanded Electron.Statistics: Posted by origami_camera — Tue Feb 25, 2025 8:48 am
View Article8-bit acorn hardware • Re: New SCSI Host Adaptor
I was having a look at this earlier. Standalone terminators are still available, but most seem to use either 50 or 68 pin connectors that are rather expensive.You used to be able to get them built...
View Article32-bit acorn hardware • Re: Help Needed with Acorn A3020 Boot Issue
Hello, I have taken the ROMs out and put them back in again after a clean and I am back to getting the Flashcodes on Floppy Drive. I don't get any sound from the speaker when I switch it on. Tried...
View Article8-bit acorn emulators • Re: B-Em Tape Overhaul V4
Right. V4Yay! Another release to play with, thanks!I've patched and built successfully on macOS 15.3.1 and then loaded Castle Quest (perfectly) and then got sidetracked for a while.I did try running...
View Article8-bit acorn software: other • Re: Handling !BOOT in a language ROM
Thank you for the ideas. They've made me realise that there are two issues here: one, that the interrupt being serviced by the code in Sideways RAM needs to be done by an 'official' mechanism like...
View Article8-bit acorn emulators • Re: Printer Emulation..(ie ESC P printer emulation)
I have several schematic diagrams (For Needham device programmer SA-20) saved as prn files. I have tried epson.exe (from here https://www.vogons.org/viewtopic.php?t=4281&start=140). However, the...
View Articlenew projects in development: games • Re: Dino
To me this looks like you're plotting the new right hand edge before the screen start address has updated. This might be because you set R12/R13 too late; you should be aiming to set R12/R13 and draw...
View Article8-bit acorn emulators • Re: B-Em Tape Overhaul v3 (SAVE support, autotests)
Right. Apologies. The needed configuration for this is a Model B + 8271, and I now realise I didn't specify that anywhere. Thanks, that's good to know.I am tempted to say this may be another issue...
View Articleacorn & bbc micro user group (abug) events • Re: ABUG Dev night #90,...
Reminder - this is tonight!Statistics: Posted by chrissawer — Thu Feb 27, 2025 8:24 am
View Article8-bit acorn software: games - high scores • Re: High Score Challenge - S24 -...
Had a bit of a breakthrough.....got to the 4th screen on the 3rd level.....DKJ-15.pngStatistics: Posted by KarateEd — Thu Feb 27, 2025 8:41 am
View Articlenew projects and releases: text and graphic adventures • Re: Text Adventure...
Thank you for taking the time to try these (I'm still waiting for the person who originally asked for Electron versions to provide feedback).Yes, the clear screen issue is a known problem. I think the...
View Article32-bit acorn software: RISC iX • Re: How to run RISC iX for yourself!
I guess it is maybe "a memory thing"From a quick look at the bootstrap it doesn't appear to do anything unusual, like claim spare screen memory. It does need a 370KB RMA block though - so you could...
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