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Timing of Timex Computer 2068Is the timing of the Timex Computer 2068 fully documented yet? I have one here with the ZX Spectrum Emulator cartridge and have downloaded a few test…
Is the timing of the Timex Computer 2068 ... 6C001 ULAs. The contended memory timing seems to be the same ... ; however the I/O timing is quite different, not least ... test the contended I/O timing. Plenty of other ports should ... -
Beta testing Fuse 1.1.0 beta 2Hello everyone, We are still preparing Fuse for a new release soon and would appreciate help in testing that all the new features and all the old fea…
... now invalid
[*] Correct video timing for +2A/+3 etc machines ... busy logic
[*] Empty sound buffer when emulation is paused using ... -
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…
... . I got confused too.
Timing the following loop finally gave ... from the CF's sector buffer.
It clearly is the ... -
Hardware description - BETA DISK interfaceExist more versions and clones of BETA DISK interface. Beta disk 48, beta disk 128, brasilian clones of beta disk 48, russian clones of beta disk 128…
... )
bit 3 = Head load timing
bit 4 = select SIDE ... (ignored)
bit 6 = Single/Double density (0=DD/1=SD ... -
Nasty 'Gotcha' for multicolour timingI thought I would be better developing my multicolour routine on the 48K first, being the slowest, so it would then be sure to work on the 128K varia…
... awkward it even throws up timing differences between the 128K and ... -
+2a double vision - uncommon problemHelloo - I was helped by Guesser on a previous occasion on a toastrack, so many thanks to him for that! Today's problem is the RGB display from a +2a…
... output comes with excessive ghosting/double vision:-o which is not ... -
Using the stack to blit bufferI was using a ldir to blit my back buffer to the screen RAM, and it was working pretty well if not rather slow. After reading about using the stack …
... ldir to blit my back buffer to the screen RAM, and ... like:
ld sp, buffer
pop af
pop ... -
From RAM to dim v$() "video buffer" SPEED UP!Hi! This question is related to "quick RAM copy using LET in Basic" ([url]http://www.worldofspectrum.org/forums/showthread.php?t=44296[/url]). Wel…
... *20) DIM variable for "video buffer".
- A zone of RAM ... /make my v$ string "video buffer" for paint whole level screen ... -
New test for finding missing +2A/+3 ULA timing detailsHello, having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention pattern starts, …
... sure I got the ULA timing 100% right. We know when ... uses early or late CPU timing, please run the btime test ... -
Jetset Willy ATTR Buffer 2Does anyone understand how Jetset Willy uses the system vars area as screen ATTR buffer 2? H5C00 D23552. Thanks
Does anyone understand how Jetset Willy uses the system vars area as screen ATTR buffer 2?
H5C00 D23552.
Thanks -
Buffer to screen - how much?[FONT=Calibri][SIZE=3]I am starting to build a new game and am researching different ways to accomplish what I need to do. My question is, is it poss…
... possible to copy a back buffer of size 4096 bytes to ... -
Screen buffer Tip from Raff CeccoRaff very kindly gave me this tip: "Incidentally, I remembered a trick I used on the Z80 for extra speed: When clearing the screen buffer, it was a…
... />
When clearing the screen buffer, it was actually much quicker ... -
What do you do for a living?In another thread ([url]http://www.worldofspectrum.org/forums/showthread.php?t=49352[/url]) Karingal said: [QUOTE=karingal;801168]Funnily enough wh…
... vehicle parked legally near a double yellow line, then he'd ... push the vehicle onto the double yellows and give them a ... would, with great skill and timing, throw the dummy in front ... -
ZX Evolution -- contended memory and raster emulationFresh bleeding update for [url=http://www.nedopc.com/zxevo/zxevo_eng.php]ZX Evolution[/url] [url=https://code.google.com/p/pentevo/source/list]Baseco…
... />
5. Yet no +3 timing emulation, though some provisions are ... to 31 or vice versa, double stroke cycles through different rasters ... -
Double height text...<p>Is here any good routines for printing a font double height?</p><p>I've concocted this ridiculous routine but I'm sure it can be done much better.…
... routines for printing a font double height?I've concocted this ... -
Fuse - HelpAs some of you might have guessed already, I'm kind of doing a rampage on a lot of emulators, to test things out, and find the most suitable for deve…
... to be some kind of timing marks.
After trying ... disassembly table rows (instructions), or double clicking on anything I can ... -
Let's copy buffers!Figured I'd do some double buffered graphics, so I can render for several frames before displaying stuff. Yes, I mean on a 48k speccy, so no 128k spe…
Figured I'd do some double buffered graphics, so I can ... /> In all routines, the source buffer is linear (not in screen ... -
R registerI'm cross-posting this as a spin-off of a [url="http://www.worldofspectrum.org/forums/discussion/52748/zx-spectrum-cartridges/p2"]thread in "Hardware…
... large margin on the refresh timing, so it doesn't matter ... .
So is the double increment correct, due to some ... -
New Game: Double BubbleHi, i want to share a little game i've been working on. It's my first try to make a game : / It's simple, you control a bubble and have to touch and…
... ://www.dropbox.com/s/makbkdo2zg4z7is/Double%20Bubble.zip?dl=0"]https ... ://dropbox.com/s/makbkdo2zg4z7is/Double%20Bubble.zip?dl=0[/url ... -
Cool program - buffer delayHere's something fun I wrote tonight thought I'd share. It's essentially a simple buffer delay. A building block for many things. https://www.drop…
Here's something fun I wrote tonight thought I'd share. It's essentially a simple buffer delay. A building block for many things.
https://www.dropbox.com/s/rk4q1xu2k2mkk62/BufferTest.z80 -
Random Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…
... Aug'87. Apart from a timing comparison I also did a ... />
Here's the BASIC timing routine which I use. The ... in line 9994. The first timing should be done with 9994 ... get the loop overhead. The timing for that is then deducted ... -
The doubleHi Im looking for hints cheaps tips on soectrobs THE DOUBlE. Notably about the percentage credibility and consistancy of winning games
Hi
Im looking for hints cheaps tips on soectrobs THE DOUBlE.
Notably about the percentage credibility and consistancy of winning games -
Double Buffering Artefacts on Real HardwareI have a project that I've played around with for a while and always tested using emulators, either ZX Spin or Spectaculator. It is a 128k game th…
... uses the shadow screen for double buffering and when emulated it ... the screen.
The double buffering code is simply an ... -
off screen bufferwhen using an offscreen buffer is the memory copied to the screen in a way that makes it easier to draw sprites to the buffer? E.g. Lets say you…
... to draw sprites to the buffer?
E. ... screen where you copy your buffer to,
it is ...
if the buffer was copied to the screen ... to draw sprites to the buffer, and then have them ... br /> draw background on buffer (or just clear it)
Faceplates - double-sided tape vs metal tabsRegarding the metal faceplate on the rubber keyed Spectrum, I gather Sinclair used two different methods to attach it to the body of the Speccy, name…
... body of the Speccy, namely double-sided tape, and metal tabs ... 've only come across the double-sided tape ones, so are ...A Jet Set Willy double-bill!Jet Set Willy and Manic Miner Community (jswmm.co.uk) is proud to present two brand new redesigns of 'Jet Set Willy'. In 'Jet Set Mini', Willy's o…
... hope you enjoy this JSW double-bill!
http://jswmm ...GZX emulator source code publishedHi, GZX is the name of my own personal ZX Spectrum emulator that I wrote and have been using for my needs. I just wanted to let you know that I publ…
... rendered inside the spectrum frame buffer
- compile for Linux/unixish ...
- Experimental support or Spec256, double-vertical-res
- Emulate built ...
