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miscellaneous new bbc and electron games • Re: Inufuto BBC games compilation
That's some significant progress - congrats on getting the code split across RAM/SRAM!Now to work on a graphical version. I've already had a bunch of ideas of how to do this nicely. It's so handy...
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8-bit acorn hardware • Re: The Valiant Turtle 2
I see I missed the first order. Is there any appetite for ordering others please. If it helps I’d be interested in 3 sets.I'm not going to be ordering any more PCBs I'm afraid. - but if you're in the...
View Article8-bit acorn hardware • Re: RGB to HDMI using a Pi Zero and a small CPLD
Does anyone have a current link to get a CoCo3 version of RGBtoHDMI anywhere in the UK?I can only find models for Acorn, Commodore, etc, not the one with the extra compensator, etc.Statistics: Posted...
View ArticleIntroduce Yourself • Re: Hi All, here to relive my school days!
Welcome aboard!Home you enjoy the good old days as much as I am!I had a quite google, but all I found for SHERST0N Around The World in 80 Days, is real media versions of it on ebay.This would be great...
View Article32-bit acorn software: RISC iX • Re: Adventures in A680 RiscIx
Specifically, I’ve discovered:boot sc0(0,1012096)vmunix sc0(0,1012096) sc0(0,4063233)stops it panicking about not being able to find root filesystem, and instead makes it panic about swap being on the...
View Articlemiscellaneous new bbc and electron games • Re: Slot Machine
Probably habit I’m afraid, sorryStatistics: Posted by fizgog — Fri Feb 07, 2025 7:31 pm
View Articlenew projects in development: games • Re: Dino
The simple way is something like this:Code: SEC LDA addr SBC #&80 STA addr LDA addr+1 SBC #2 CMP #&58 BCS nowrap ADC #&28.nowrap STA addr+1Yep that fixed it, I was trying to make the plot...
View Article8-bit acorn hardware • Re: Untraceable issue with BBC motherboard
Faulty components usually produce consistent symptoms. What you have sounds like a poor connection.The IC sockets that were around in the 1980s weren't the best. The contacts were not very springy,...
View Articlecommunications • Re: the Night Owl BBS **UP**
Night Owl is up for this Friday evening.thanksBrianStatistics: Posted by brianmartin_2001 — Fri Feb 07, 2025 8:44 pm
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general • Re: Today I received.....
I really wonder if someone ever wrote a useful programme for the Electron in Lisp (or any other additional language like Pascal) I got given Forth for the Election on tape as a present. I started...
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8-bit acorn hardware • Re: Master battery spec
Another option is to replace the clock chip with the Necroware clock module.NecrowarenwX287Clock.jpghttps://github.com/necroware/nwX287Literally just did this one myself (I did have a single 18650...
View Article32-bit acorn hardware • Re: RiscPC Sound problems
There's no lk14 in the Mk3 board. I've tested the sound through LK13 and my Left Speaker sounds great but no sound on the Right Speaker.As i've changed both Opamps and the DAC and the results aare the...
View Article8-bit acorn hardware • Re: Checkmate Retro Monitor and Acorn Electron
Does this monitor work with all the different video MODEs? MODE 7 (Teletext), the default for a Beeb is significantly different to the other video MODEs, and this affects the timing of the sync signal...
View Article8-bit acorn software: other • Re: ADFS for multiple SCSI drives
And my Acorn Winchester 130 with drive 0 only:<---SNIP--->I'm not sure how much of this timing is the Adaptec controller and how much ADFS. I suspect it's a combination of multiple retries by...
View Article8-bit acorn hardware • Re: Electron Plus 3 - how best to invert drive identity
The way I made it work in the end was…Replace the cable between the Plus 3 internal drive socket and the internal floppy drive with a new cable, with lines 10 and 12 selectively swappable with a DPDT...
View Article32-bit acorn hardware • Re: (Probably Silly) Mod Ideas for A3010
The Commodore PSU uses a series pass voltage regulator, but the manufacturer encapsulated it in resin. Unfortunately when subjected to stress (thermal cycling) especially when the PSU has insufficient...
View Article32-bit acorn software: RISC iX • Re: Adventures in A680 RiscIx
They've confirmed that the A680 drive format isn't typical. To the point that SCSIDM can't recognise/do anything with it. They were built from the "shoebox" - an external SCSI drive that hooked up to...
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programming • Re: Assembling large code
I took a different approach to the save/reload variables issue and wrote: https://github.com/SteveFosdick/vsaveSome notes: LDA #&40 ; Open the file for writing(cough!) reading! BRK DB 0 ASC...
View Articleprogramming • Re: Basic files from assembly?
In the Autosave thread mentioned, part of the code sets up an OSFILE call to save the BASIC program in current memory, by reading the value of "PAGE" using an OSBYTE call, and reading the value of...
View Article8-bit acorn hardware • Re: Fault finding index
BBC Micro, factory B with Econet has had a disc interface fitted at some point. All the Econet ICs had been removed except IC91 as it is shared with the disc interface. I replaced the Econet ICs and I...
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