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Usr 0 ?I'm not sure I've ever seen this explained before, but why do some programs (only demos, as far as I can see, so far) need USR 0 mode when run on a 1…
... USR 0 simply causes the CPU to start executing the code ... -
"Floating" AY registersWhile I was working on some AY sample-related stuff, it occurred to me that with the AY port not being completely decoded, it would be a handy CPU-ti…
... , it would be a handy CPU-time-saver to do something ... -
Jetpac questionHi all, I just bought a copy of Jetpac off of Ebay and I'm having problems. To start, I'm trying to play it on an issue 2 Speccy with Interface 1, 2 …
... my computer has an unusual fault which only Jetpac shows up ... both copies having an identical fault? The Multiface is one with ... -
grrr The Capacitor PlagueI'm getting fed up of The Capacitor Plague. If you don't know what this is, I'll tell you the result. Your computer stops working. Sometimes, it won'…
... anything that loads up the CPU), reboots randomly, or crashes randomly ... -
BASin Assembler suggestionsHi Dunny. According to your former request here goes a few suggestions. Been playing around with the Assembler and I'm glad I did. Quite nice indeed…
... in bytes.[/LIST]
[*]The CPU Monitor window would be even ... -
QL 25th Anniversary TODAYJust saw this on CSS: Date: Mon, 12 Jan 2009 07:36:53 +0100 From: Urs Koenig Newsgroups: comp.sys.sinclair Subject: SINCLAIR QL's 25th birthday On…
... and office use (Motorola MC68K CPU).
2. First PC with ... -
Some digital/analog "flaws" I enjoy/miss.I enjoy the soft fuzzyness of a CRT TV when watching shows/movies but I do enjoy the crispness of a LCD monitor when used with a computer/console. I…
... Quicktime (probably due to encoding fault in the file or decoding ... -
Blocks instructions and the N flagJust a curiosity. I noticed the compare and load block instructions act on the N flag; block compare instructions set it, block load instructions re…
... just some oddity of the CPU, or is there a reason ... -
TI calculator gaming...There's some dedicated people out there. Maybe this is old news, but I had no idea someone was converting modern games to monochrome versions in Z80 …
... it on a 6Mhz Zilog cpu...
[url]http://tiwizard ... -
Girlfriend's computerI'm on my girlfriends computer atm -- one which she has asked me to sort out. It is a Vista computer which has reportedly slowed down since she fir…
... from 0% to 55%, and CPU usage drop from 90 ish ... -
help with blue screen error messageright, i went round to an old workmates house yesterday cos he has computer probs. he thought he had a virus.........but it looks like one of those …
Computer or console: Which do you prefer for games?Yep, the old argument again. I was talking about this yesterday to a mate (a World of Warcraft addict) who doesn't like consoles, and neither I (who …
... (no need to upgrade the CPU or graphics card) and have ... complex emulators often require more CPU power than the host console ...ZXSP .tzx/tap LoadingHi Been playing around with ZXSP Mac Version, this has a tape loading feature from .tzx or .tap files. Being a tad nerdy I would like to see the ga…
... if this would be the fault of the .tzx or .tap ...New Spectrum Computer DevelopmentHey does anyone know of any decent new Spectrum clones being developed? I find it amazing how Zilog still produce a Z80 backwards compatible chip (an…
... at up to 50MHz, the CPU's speed is comparable to ...ANN: MobileZX now even fasterDear All I've released a new version of MobileZX which should address any speed issues people may have experienced. There was an error in the cpu th…
... was an error in the cpu throttling code which reduced speed ...issue 6a faultyHi All I got issue 6a pcb from ebay with status faulty pcb had bad voltages when I power up I changed tr4 ztx650 and all voltages got back on ic6 I h…
... *256
I changed cpu (old one working), also changed ...Can this be done in Windows ?I discovered that this video-converting application I ran, is only using ca 50% of the CPU time. I have never heard about such, but: Is there a…
... using ca 50% of the CPU time.
I have ... other program that uses 50% CPU) run in some kind of ... the whole capacity of the CPU, and reduce the time needed ...More dumbass driving...So we were stopped at a traffic light yesterday, in the middle lane. To our right was a white SUV, and in front a car (we were about 4 or 5 vehicles …
Advice on cooling a PC needed.I am about to build what is gonna be my final PC but i want it to be a humdinger and need advice on keeping it cool as in the past i have built prett…
... can i tell if the CPU is getting close to being ... telling you the heat of CPU mem etc work if so ... keep a check on the cpu heat ?
I figured ...How old is retro?In the thread: [URL]http://www.worldofspectrum.org/forums/showthread.php?t=24327[/URL] the age old question of "[I]How old does a computer/console …
... machine's "bits" (it's CPU or bus capacity). To some ...Name that football gameI don't know if a game like this exists but hope it does. I'm looking for a football (soccer) action game that will fit as many of my specific requir…
... special powers
- P1 vs CPU with graded difficulty
- does ...Odd behaviour: Multiface 128/OneIt's been quiet round here the last day or two so... I'm now onto the second edition of the [COLOR=Green]Spectrum Games Bible (1985-1986)[/COLOR] an…
... to think it was the fault of some inept games programmer ...***BROKEN*** ZX Interface 1 - Free to a Good HomeAnyone interested in a ***BROKEN*** ZX Interface 1? It's such a long time since I've looked at it that I cannot remember the exact nature of the fa…
... the exact nature of the fault, but if it's any ...Can a floppy disk wreck a disk drive?I'd been re-installing some old Apple Mac games so that I could back them up before the disks become unreadable (too late in some cases). After doing…
... though there's no apparent fault on it, or was the ...Sensible SoccerI'm playing it for the first time... really want to enjoy it but I'm not...yet. I know lots of bright Wosser's love this game so I'm keen to find …
... get some easy games vs CPU under my belt? I'm ...Internet Explorer 8I've got the message through Hotmail regarding IE8 and how wonderful it is etc etc. But is it just another piece cpu sucking nonsense or should I upg…
I've got the message through Hotmail regarding IE8 and how wonderful it is etc etc. But is it just another piece cpu sucking nonsense or should I upgrade?ZX music for *TWO* BEEPERS :)Hi there. :) For some time I was thinking about making for ZX Spectrum an additional sound-card playing BEEPER music without Spectrum's CPU time. I…
... BEEPER music without Spectrum's CPU time. If the Z80 mounted ...IE8 - Crashes any one else have any?I've been using IE8 for a while and it keeps crashing. I thought it there was a problem with my system. On other PC's it sometimes crashes and then f…
... thought it was a hardware fault.
Nothing in the ...