off-topic • Re: Chinese FPGAs
I've had a hack at beebfpga and I have got it doing something. No psram or anything yet. It's a bit messy I had to hack a few things to get it to allow vhdl 2008, otherwise my rom infer code didn't...
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32-bit acorn hardware • Re: I hate RiscPCs
Betting that IC32 (the AC04) has diedTook a punt - swapped IC32 for a fresh part - sorted. Another RiscPC back from the grave.Statistics: Posted by IanJeffray — Sun Mar 16, 2025 2:46 pm
View Articledevelopment tools • Re: BeebAsm
I haven't thought it through, but you could do something similar but more general by adding another P%, maybe P@ and then anything prefixed with an @ would update that variable e.g. @EQUB @LDA...I was...
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8-bit acorn software: other • GEM Mouse Buttons
HiI have successfully brought an original Acorn two button mouse back to life, or so I thought......please read on. It was a speculative auction purchase initially described as 'mouse only works...
View Articleprogramming • Re: Quickest way to clear SWR
Without restarting the machine (m128), how can I clear out whatever ROMs I've previously *srload(ed) in to SWR?I tried filling &8000 - &BFFF with 0s using a FOR loop but this took quite a...
View Article8-bit acorn software: other • Re: GEM Mouse Buttons
Not a lot if I recall?Statistics: Posted by danielj — Sun Mar 16, 2025 4:06 pm
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8-bit acorn software: other • Master 512 Forum - Beebug
I was skimming through some my old BBC BEEBUG magazines the other month and I was reminded of an excellent series of Master 512 articles written by Robin Burton, who some may remember was the driving...
View Article8-bit acorn hardware • Re: Sporadic crashing during basic soak testing
24 hours!Will run with s25 open and see if we get a fail.Statistics: Posted by geords71 — Sun Mar 16, 2025 10:21 pm
View Article8-bit acorn software: other • Re: Basic's square root algorithm
There is also this method to calculate fp SQRT without any divisions: https://people.eecs.berkeley.edu/~wkaha ... eciprt.pdfStatistics: Posted by TobyLobster — Sun Mar 16, 2025 10:21 pm
View Articleacorn atom and acorn system series • Re: Acorn Atom voltage problem
I think the wires are not connected right.Can you check if the 0V on IC47 is connected to the 0V of the power connector?And the +5V on IC47 is connected to the +5V of the power connector?This looks...
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8-bit acorn software: games - high scores • Re: High Score Challenge - S24 -...
Bugbears with this one:Losing pitchfork when jumping over the ratNo time to even lay rat poison later onHaving all of your lives wiped out when the generator runs out of oilDifficulty of manoeuvring...
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8-bit acorn software: games - high scores • High Score Challenge - S24 -...
Stardot high score challengeSeason Twenty Four: Round TenEmily chosen by FourthStoneEmily.png=====================================================================================RULES Round Nine...
View Article32-bit acorn hardware • Re: "Arcflash" A3000/A3xx/A4xx/A5xx/A5000...
I had a bit more time to work on this. Everything has decayed a lot, so it's a process of fixing each build one by one.The cpld build is looking pretty good; I have new builds up here that seem to...
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8-bit acorn software: games - high scores • Re: High Score Challenge - S24 -...
There's a 10k bonus?Yep!!! 10KBonus.PNGStatistics: Posted by Rod C — Tue Mar 18, 2025 3:26 am
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acorn atom and acorn system series • Re: Building a Replica Acorn System 5...
It sounds great... Statistics: Posted by Multiwizard — Tue Mar 18, 2025 6:23 am
View Article8-bit acorn hardware • Re: Plotmate Plotter internals
Perfect, thanks.JamesStatistics: Posted by ha0124 — Tue Mar 18, 2025 6:30 am
View Articleoff-topic • Re: How I read C++ as C
Pedantically: that sort of dynamic dispatch may well be slower than a switch statement as it requires a full function call. With a switch you might get as simple as a jump table — no separate scope so...
View Article8-bit acorn hardware • Re: Desirable video connectors - vote
For Beebs and Elks I normally only use RGB via the 6 pin DIN. I have various TVs/monitors that accept analogue RGB video. The TVs are connected via SCART.For testing, I sometimes use the Beebs...
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Introduce Yourself • Re: Hi from Isle of Man
Hi,welcome to this great Forum... Greetings from my little Dutch Atomic Attic, Wim... Statistics: Posted by Multiwizard — Wed Mar 19, 2025 6:31 am
View Articlenew projects in development: games • Re: Possible 3D Maze Game
I have been rejigging the plot routine to produce the "grid" look. It's not there yet but here's a current screenshot. There is a balance between thickness of line and visibility at distance. Feedback...
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