programming • Re: What memory below &E02 Can I use for sprites/code?
You tend to load at &1100 or higher and then relocate down, otherwise you would corrupt the tape or disc system whilst you are loading, unless you are loading bits of code in different places...
View Articlegeneral • Re: Today I received.....
Hi,In a Euro plug it doesn't matter which one is live or neutral. If you decide to replace with a UK plug and be strict the brown (live, phase ) is usually connected to the right pin (seen from the...
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32-bit acorn software: classic games • Re: Help on The Dungeon or Acorn...
I’ve had a look on dungeoncrawlers.org and their list seems pretty comprehensive and they’re still adding games from the 80’s and 90’s - it’s just missing The Dungeon!No, dungeoncrawlers.org do not...
View Article8-bit acorn hardware • Re: Palettemate / enhanced video ULA with 4096 colours
Hi Rob,I’m extremely interested in a Video NULA if you are still making them.I asked before, but I can’t find my original post to see if you answered.Please let me know one way or the other.Thank...
View Articlenew ideas wishlist & general chat • How fast should difficulty increase...
I'm wrapping up coding of a Defender like game for the BBC Model B where the robots arrive in waves. For the audience that might still play on a BBC how quickly should I ramp up the difficulty? The...
View Articlecommunications • Re: the Night Owl BBS *NOW*
Night Owl is up again for this evening folks ..Should ve posted earlier. It has been awake since 5pm.ThanksStatistics: Posted by brianmartin_2001 — Fri Sep 13, 2024 9:33 pm
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new ideas wishlist & general chat • Re: How fast should difficulty...
Great question but a bit too nebulous really, considering nobody else has seen as much as a screenshot - let alone the actual gameplay! Statistics: Posted by Cybershark — Fri Sep 13, 2024 10:15 pm
View Articlecommunications • Re: the Night Owl BBS **UP**
Now up for the evening!cheersStatistics: Posted by brianmartin_2001 — Sat Sep 14, 2024 7:22 pm
View Article32-bit acorn software: other • Re: 8 channel tracker files
Are you specifically looking for music written on the Archimedes, or just 6/8 channel music that you can play on the Archie?There are lots of 6 and 8 channel ProTracker/FastTracker/StarTrekker mods...
View Articleprogramming • Re: What memory below &E02 Can I use for sprites/code?
The game I'm in the process of writing uses:&400 to &7FF (loaded into screen memory &3000 then relocated)&900 to &CFF (loaded into screen memory &3500 then relocated)&E00...
View Articleprogramming • Re: VDU commands on BBC micro
One thing I haven't seen explained is how the conversion calculation for mode 7 works - subtract &74 from the high byte of the memory address and then EOR with &20. What is that calculation...
View Articleprogramming • Re: Beebspriter
The animation preview was something I never worked on, but it’s just a simple case of altering the following values in this file and recompiling.IMG_0713.pngStatistics: Posted by fizgog — Sat Sep 14,...
View Articleoff-topic • Re: Enterprise 64/128
I'd be worried if I saw one advertised as having a black display as there's a possibility that one or, admittedly unlikely, both of the SMD custom chips (Nick & Dave) have died. A faulty Dave can...
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communications • Re: the Night Owl BBS *NOW*
Night Owl BBS is now awake.thanks to those who called in last night Statistics: Posted by brianmartin_2001 — Sun Sep 15, 2024 8:10 pm
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communications • Re: Troubleshooting Zimodem / ESP8266?
Is there anyway to actually check what baud your modem is set at by default.Is it set to 1200 by default for definite? Any info in the Git documentation.Yes, there's:Code: #define DEFAULT_BAUD_RATE...
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8-bit acorn software: other • Re: A superfast 3D maze shooter for the PDP-11
Looks good Statistics: Posted by FourthStone — Sun Sep 15, 2024 8:50 pm
View Article8-bit acorn hardware • Re: BBC master keyboard issue
Have you actually removed the keyboard controller? If it's borked it could still be pulling things in an unwanted direction and interfering.Statistics: Posted by danielj — Sun Sep 15, 2024 9:16 pm
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new projects and releases: text and graphic adventures • Re: Exploring...
Hard to say, I haven't played the game beyond typing in the walkthrough and I'm not sitting in front of the computer on which the code resides. Having said that, I'm not ruling out interpreter bugs....
View Article8-bit acorn emulators • Re: B-Em Tape Overhaul v3 (SAVE support, autotests)
It isn't the result I expected -- I imagined 16-wide would be slower than 8-wide on CPUs that lacked 16-wide in silicon. I should repeat this test on Linux, and pit gcc and clang against each other to...
View Article8-bit acorn hardware • Re: Electron Advanced User Guide Issue 3
On page 232, under 15.3.4 Long delays for interrupts, it states (emphasis mine):In modes 0-3, this delay can be up to 100 ns in the very worst case.[...]The interrupt delay is only 4ms at worst in...
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