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ULA TEST 3 results on real hardwareHi guys, I'm writing small spectrum emulator and I wanna implement precise emulation for different spectrum models :-) I found nice test for conten…
... very much! :)
Any screen for 128 model?[/QUOTE]
Unfortunately I only have 48k spectrum, so I cant verify other ... and better.
"Timing Tests 48k" now passes with 100% accuracy ... -
Most accurate timingWhich emulator is closest in timing to an actual (48k) spectrum? A count to 10,000 loop, printing the loop number each time on screen - same snapsho…
... in timing to an actual (48k) spectrum?
A count to ... loop number each time on screen - same snapshot in each case ... don't have a real spectrum to hand.[/QUOTE]
BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…
... stable 8x2 multicolour on a 48K Spectrum, though I haven't shown ... . Kind of like Joffa's screen scrolling, but on a line ... all 192 rows of the screen, except the processor time and ...BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…
... can be done at 24kb Spectrum ...[/QUOTE]
It seems ... Spectrum"? A standard 48K Spectrum has about 41K RAM available (excluding the 7K screen ...BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…
... Spectrum"? A standard 48K Spectrum has about 41K RAM available (excluding the 7K screen ...SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... the Y track on the 48K spectrum. No idea if this will ... remain in sync with the Spectrum, and use the interrupt signal ... the board syncs to the Spectrum's video. This will likely ... and the 128K's second screen buffer.Help me resurrecting a 128KHello to everybody. I'm really struggling along a repair of a standard 128K a friend of mine handed me over some (ok, actually a lot of) time ago. A…
... me with a properly working screen, that triumphantly informed me that ... I were fixing a standard 48K Spectrum, as this is what I ... see a flashing tartan on screen, I automatically look for bad ...Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
... call. The loader clears the screen, displays a logo, and then ... using BASIC's own LOAD...SCREEN$ and LOAD...CODE, because ... the loading screen contains hidden in-game graphics ... REM on an unexpanded 16K/48K Spectrum) and I know my program ...SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... unable to work with any Spectrum add-ons which have ... order to synchronise with the Spectrum?s TV output and not ... lines (when used on a 48K Spectrum). Should these signals be required ... you considered emulating the extra screen modes in Spectaculator?[/QUOTE]
SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... into RAM (using MAPRAM mode - yellow LED).
Rebooting using the ... when I went to the Spectrum 30 show. This only affects ... :
[list]
[*]A different 48K Spectrum?
[*]A different CF card ...Wreck it RalphI can't wait to see this movie (8th Feb), I've seen some bits and bobs and a mate of mine over the pond loves it. The kids are always playing the […
... high detail of the first screen but consider how much memory ... got to be for the 48k Spectrum.
Considering how low ...Red DwarfA Red Dwarf video game - good or bad idea? (given its recent resurgence in popularity in the UK) My ideas: [b]Plots[/b] - An interquel which bridg…
... bottom of RAM where the screen memory normally sits. The ... of memory, where the screen is pulled from, means ... -on effect of the screen being read out affects ... 32768? Even on a 48K Spectrum, that's the first ... RAM, just beyond the screen's influence and just ...Folks with real speccies - test this!A lad from another forum has written a music demo for the Speccy, but he can only test it on ZXSpin, so needs some helpful chaps to record this to ta…
... works, anyway, on a regular 48k, anyway. I'll get ... amp; plays OK on a 48k Spectrum, and probably on a 128k ... 's like on the flat-screen?
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... works fine on the flat-screen. I just plugged it ... I've got a wide-screen Speccy and the Detuner ...The Official Crap Games Competition 2013 Thread!Just to announce that the 2013 CGC is OPEN! [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/cgctitle2_zps77591934.jpg[/IMG] And for th…
... ) that fits magically into a 48k spectrum. We are not sure how ... goes too low and the screen scrolls up.
Advices ...Accidental rainbow effects.. How do I adapt?I've somehow bizzarrely created a rainbow text effect on my title screen by accident. The title was just supposed to flash different colours whilst …
... almost, I was toggling red/yellow to see how good I ... below will ~work on a 48k spectrum, with [U]the stack pointer ...The Disciple clone... doable?Hi. As a spectrum user in the 80's this was the dream interface all-in-one for me. I have a 48k+ and planning on get a 128K toast-rack later. Anyway…
... same initial instruction as the 48K Spectrum ROM. Interesting. Could the fact ... [/URL] also documents the extra screen selection you needed to do ... port 0x7ffd to see which screen is selected, but I guess ...The Register: Infinite loop: the Sinclair ZX Microdrive storyThe rise and fall of a 'revolutionary' storage technology: [url]http://www.theregister.co.uk/2013/03/13/feature_the_sinclair_zx_microdrive_story/[/ur…
... Microdrive Expansion packs for my 48K Spectrum - bought it in John Menzies ... marvelling at how quickly a SCREEN$ would load.
Ah ...ZX Spectrum 48K yellow displayI have a ZX Spectrum which displays a yellow- instead of grey screen on startup. All colours seem mixed with yellow. Everything else seems fine, some…
... and RF.
The yellow is not spectrum yellow, it's like a ... to a picture of the screen tomorrow.Video output questions...Two questions... [QUOTE]1. The yellow and blue colours seem out of phase on the display. Is this normal for an RF connection to the TV/monitor?[/QUO…
... possible from a 16K/48K Spectrum and/or would ... the screen, and can also output the Spectrum's ... /Spectrum128/SCARTCable/Spectrum128SCARTCablePlus2.htm"]Spectrum +2 (grey)[/URL]
Spectrum 128[/URL]
...CPC Power goes down?These Amstrad CPC folks are unlucky people. WOS used to link to some CPC site and it went down. Recently it linked each game to a site called CPC-P…
... they stood out of the screen when i used to play ... /> Sound is like the 128k spectrum and some of the older ... had better music than the 48k spectrum versions. The only thing that ... machine. You had the zx spectrum port on it which didn ...Top bestest games of all time.I know how much every body loves top ten lists, well today i received a book called the 1001 games you must play before you die. Are your all time f…
... 's no speech (just on-screen text), but GE is still ... . [B]Skooldaze[/B] (ZX Spectrum), the ZX Spectrum, my first ever computer ... . The game is a flick-screen (no scrolling) platform game set ... graphics and sound on the 48K Spectrum, and even more amazingly this ...WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... chip - the closest that the Spectrum gets to the custom chips ... computer as it requires the screen to be stored in a ... 't put a 48K spectrum ULA into a 128K spectrum, let alone a ... specific software to store screen info in spectrum format at memory location ...Some thoughs about fast scrolling on 128 modelPlease, consider this article as technically interesting concept not a proven algorithm. ONE The fastest scrollers use long sequence of PUSH inst…
... for this one. Contention on 48k spectrum can take up to 6 ... In my experience with double screen buffer blitting, efficient blitters based ... enough, every time you access screen memory, you have 8 ... br /> tacts of delay per screen memory access. Using words halves ...How slow can a CF-card goSurprising. My 48k Spectrum did not allow me to CAT all the 254 files that my private DOS (for CF-card) can store in each sub directory. Spectrum get…
... =roko;709665]Surprising.
My 48k Spectrum did not allow me to ... store in each sub directory. Spectrum gets confused after printing some ... the printing on screen of individual CAT entries where Spectrum takes too ...Childhood moments with my SpeccyHey everyone. The other day I randomly came across a tumblr page called "Me and My ZX Spectrum" ([url]http://meandmyzxspectrum.tumblr.com[/url]) …
I owned a 48K Spectrum+ as a child. (Random aside: ... confronted with a messed-up screen covered in flashing squares. This ...Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... the Spectrum PRINTs or PRINT ATs something to the screen the ... during which the Spectrum will print a "?" to the screen, starting at ... left and filling up the screen. The Spectrum becomes unresponsive once this ... ULA I have in a 48k Speccy I have recently ...Which games gave you feeling "this can't be spectrum" ?Hello. Long time no post here :) Was looking back into past, thinking about ZX games... So in your opinion, which game (graphically) gave you feel…
... alarm clock on the first screen (inside or behind the chest ... couldn't leave the first screen at all. Eventually gave up ... is replaced with the original 48K Spectrum ROM... seems to fix a ...Which games gave you feeling "this can't be spectrum" ?Hello. Long time no post here :) Was looking back into past, thinking about ZX games... So in your opinion, which game (graphically) gave you feel…
... alarm clock on the first screen (inside or behind the chest ... couldn't leave the first screen at all. Eventually gave up ... is replaced with the original 48K Spectrum ROM... seems to fix a ...Plus D Voltage Regulator OrientationHi, I?ve got a Plus D Disc Interface circuit board without case from a friend. Sadly he sends it to me without care for proper packaging. So it arr…
... Plus D on a Spectrum 128k and 48k.
Non-Working ... only display a random coloured screen while powering on.
... voltages:
On 48k Spectrum: 7805 middle leg black multimeter ... -0,4 V
On 48k Spectrum: 7805 middle leg black multimeter ...Corrupt paper on zx spectrum 48kHi. When I power up my spectrum (issue 3) I get the light grey border, but the paper is black and it switches between thin red vertical lines and thi…
The memory of a 48k Spectrum is made up of two ... (used for the screen so sometimes called the screen RAM) is made ...
