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Changing the colour of the loading 'stripes'I was wondering if it were possible to alter the default colours of the standard ROM loading 'stripes' via BASIC, mabye a POKE command of some descri…
... /saving code cannot run from contended memory at 23762; the main code ... sits in upper memory from 65169 to 65535 so ... -
Fuse 0.9.0 releasedVersion 0.9.0 of [url=http://fuse-emulator.sourceforge.net/]Fuse[/url], the Free Unix Spectrum Emulator[/url] has just been released. Highlights of t…
... ZXCF support.
[*]Much improved contended memory and floating bus emulation.
New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…
... /> Mastermind
Hangman (PvP)
Memory
Minefield (that Window's ... far contains the completed games "memory test", "memory test PvP", "matching cards", "conexão ...help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
... want to check out the contended memory section of the [URL="http ...DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... an interrupt vector table in contended memory, which has unpredictable results on ... Spectrum clones don't have memory contention, so the programmers weren ...Another fusetest runWould anyone with a real machine be prepared to try the latest version of [url=http://www.shadowmagic.org.uk/spectrum/fusetest.zip]fusetest[/url], my…
...
Floating bus... passed
Contended memory... passed
High port contention ... bus... skipped (B=0x01)
Contended memory... passed
High port contention ...Another fusetest runWould anyone with a real machine be prepared to try the latest version of [url=http://www.shadowmagic.org.uk/spectrum/fusetest.zip]fusetest[/url], my…
... /> Floating bug... failed (0x00)
Contended memory... passed
High port contention ...Disappearing/appearing effectI remember doing a small routine in BASIC which could be used to cover the attributes section randomly, until all 704 characters were filled with the…
... timings will be relating to contended memory/port access, which is detailed ...Disappearing/appearing effectI remember doing a small routine in BASIC which could be used to cover the attributes section randomly, until all 704 characters were filled with the…
... Spectrum, unless your code accesses contended memory or ports (or the code ... itself is located in contended memory) in which case you get ...MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…
... values as high byte of contended memory adress.
#00-3E = correct ... ZX128/+2(grey) if slow memory page is set in high ... I set to this slow(contended) memory.(BLACK RAVEN, IMPERIA 3, HEXAGON ... register I is set to contended memory and modify value to #3B ...MB02+ software and system developmentsThe following text was (before last modification) first published here: [url]http://www.sintech-shop.com/forum/board.php?boardid=20[/url] As discuss…
... values as high byte of contended memory adress.[/QUOTE]
Okay ...2 Spectrums (synched) playing AY tunes?After listening to a few Turbo Sound FM MP3s, I wondered... For those of us who can't build this card, couldn't we synch 2 128Ks and play these tunes…
... interrupts, or a player in contended memory on one machine but not ...128K Guru requiredThe answer eludeth me, and I seeketh a higher knowledge! I'm in the process of putting together a very simplistic emulation testbench of my laptop s…
... 48K ROM still.
The memory test sets all locations to 2 ... on black paper.
The memory test on the 128K machines just ... the eight 16K chunks, the test uses a different border colour ...128K Guru requiredThe answer eludeth me, and I seeketh a higher knowledge! I'm in the process of putting together a very simplistic emulation testbench of my laptop s…
... 48K ROM still.
The memory test sets all locations to 2 ... on black paper.
The memory test on the 128K machines just ... the eight 16K chunks, the test uses a different border colour ...Alternative ROM thru DivideSorry if this could be a stupid question: I know the Divide+ can load Interface 2 Roms into internal memory by using Residos and the %INSTALL comman…
... to be useful during the memory test (the idea being that it ...How to contend memoryHow has this been achieved, electronically? Is there a "memory ready"-line for each bank, or something?
... achieved, electronically? Is there a "memory ready"-line for each bank ... /> If you are referring to "contended memory" as featured in ZX Spectrum ... CLOCK line high), not the memory. Lots of details may be ...Questions about the Speccy and it's emulationOut of interest, and to raise another interesting discussion, I have some questions about the Spectrum and it's emulation; 1) Is everything known ab…
... ]Starion[/url]): precise timings (including contended memory)
[*][url=http://www.worldofspectrum ...Questions about the Speccy and it's emulationOut of interest, and to raise another interesting discussion, I have some questions about the Spectrum and it's emulation; 1) Is everything known ab…
... ]Starion[/url]): precise timings (including contended memory)
[*][url=http://www.worldofspectrum ...QL and gamesWell,I am bit off topic but I cannot understand why the QL had no arcade games made for it and if it had, would they be vastly technically superior t…
... CPU comparing to ZX. Accessing contended memory (built in 128kb) is at ...Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.
... (which is uncontended) over the contended banks. However, AFAIK the screen ... RAM is always contended (even if it is ... the odd numbered banks are contended so it's something ... pitfalls of running code from contended memory, storing graphics data in it ...Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.
... (which is uncontended) over the contended banks. However, AFAIK the screen ... RAM is always contended (even if it is ... the odd numbered banks are contended so it's something ... pitfalls of running code from contended memory, storing graphics data in it ...Problem upgrading 16K SpectrumHello Spec-chums, I've been a long time Commodore user, but also a long-time Speccy admirer (and emulator user). I've recently got hold of a Issue 2…
... did, you can write a memory test program to find the bad ... quick (but not exhaustive) RAM test about a year or so ...People holding back the emulation sceneAs mentioned once again in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=22690"]this thread[/URL], some people think Ramsoft willfully…
... emulator capable of 100% exact contended memory and multicolor emulation" was Ramsoft ...ZX Spectrum (16K) sound/beepHi all, I think I'm in right place now, I've tried to find an answer how to generate two channel sound using ZX Spectrum 16K. Only think I've found …
... the screen area. With correct contended memory emulation it sounds horrible.[/QUOTE ... the timing loops to take memory contention into account. That's ...Do you really want to play a new cool, interesting, but rather hard game?Just thinking about it... For example, someone will create a game. BIG game. BIG BIG game, with multiple loading scheme, numerous rewind blablabla (o…
... game, you need to avoid contended memory - that leaves you with ... the game loop. Of that memory you'll (most likely) ... or interrupt/music routines in contended memory then they will be ... slow - running AY music for contended memory tends to completed kill it ...Do you really want to play a new cool, interesting, but rather hard game?Just thinking about it... For example, someone will create a game. BIG game. BIG BIG game, with multiple loading scheme, numerous rewind blablabla (o…
:) Nice. I will never code to Spectrum with contended memory :)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 …
... a memory tester, it's best to have an inversion test (setting ... to write adjacent bytes - fill memory with 0xFF and 0x00 in ... fill test. Use a pseudo-random number generator to fill memory from ... />
To do an effective memory test you really need to do ...ZX81 tape formatIs there a description of it somewhere? The TZX format doesn't give it but can it be worked out from what it says about block 19? There is a good d…
Is there a description of the ZX81 hardware ports used by the cassette interface anywhere? Is there any contended memory issues similar to the Spectrum while writing files to tape?Why did the QL fail?Browsing some old magazines: an advert appeared for the QL, 128k of ram and 32 bit processor etc...also very cheap compared to other similar spec com…
... significantly. This, combined with the contended memory of the QL, and an ...
