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quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…
Testing with +D and with all the 'd*' lines enabled, this extra line marked in [color=red]red[/color] is needed at line 477 in the assembler listing:
[code]NOTASP: ld a,c
pop hl ;1 -
So our Spectrums are faster than modern computers at some things...According to John Carmack, anyway: [url]https://twitter.com/id_aa_carmack/status/193480622533120001[/url] who said: [quote="John Carmack"] I can se…
DVI/HDMI *shouldn't* have display lag (at the wire level ... analogue VGA. Indeed HDMI/DVI timings pretty much exactly match that ... -
New bicolour game: El Stompo.Phew! Finally finished my first game using Einar's fantastic Nirvana engine. [B]El Stompo.[/B] [IMG]http://i1142.photobucket.com/albums/n608/davey…
... version of Nirvana with Pentagon timings (I think Denis and/or ... , 115, 116, 121, 122, 127, 128, 128
[/CODE]
3 ... border delay to match Pentagon timings. It's a bit harder ... -
Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…
... can then listen to the 128's own page-swapping OUT ... bit that controls whether to display the normal or the shadow ... to, and which one to display. But here you can add ... -
Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…
... to, and which one to display. But here you can add ... (which will run on a 128 with a full ULAplus) provides ... -
Double-Buffer ScreenFor my Alien Breed Speccy re-write I decided to use a Double Buffer (DB) or 'Back Screen' to draw all the game action onto, before shuffling the whol…
... use both screens on the 128, always treating the screen ... the screen that's on display is different from the ... if screen 0 is on display, ram 7 would be paged ... if screen 1 is on display, ram 5 would be ... at your leisure, and display it instantly by flipping the ... -
Spectrum screen layoutSeeing the thread on displacement I was wondering why the spectrum had the stupid screen split into three sections and the addresses for each section…
... the chip that draws the display, amongst other things) reads ... to deal with a different display column!
The ... refresh memory. Since the display is not generated during the ... Z80 and DRAM timings, and the rest (including display generation) came ... -
Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…
... ]
It didn't display that correctly and I couldn ... be straightforward to implement. The display is generated in the Parallax ... could be configured to do 128 style shadow screens or even ... -
HDMI generation by cloning video ram(coming from [url]http://www.worldofspectrum.org/forums/showthread.php?p=768257&posted=1#post768257[/url]). A thing I was brainstorming about.. Why …
... as its primary purpose - new display options for the Spectrum. I ... lot like VGA in its timings, only digital). -
HDMI generation by cloning video ram(coming from [url]http://www.worldofspectrum.org/forums/showthread.php?p=768257&posted=1#post768257[/url]). A thing I was brainstorming about.. Why …
... as its primary purpose - new display options for the Spectrum. I ... lot like VGA in its timings, only digital).[/QUOTE]
HDMI generation by cloning video ram(coming from [url]http://www.worldofspectrum.org/forums/showthread.php?p=768257&posted=1#post768257[/url]). A thing I was brainstorming about.. Why …
... an HDMI signal with Spectrum timings (someone did this in a ... too much jitter for the display especially at the clock frequency ... the display will want. I'll get ...New BBC iPlayerIts bloody awful! What's with the current fad of making sites tablet friendly? They should've made an alternative site for tablet users. So people…
... type= "" | mp
layer -cache 128 -
Stream Live iPlayer Programme ... =livetv,liveradio --player="mplayer -cache 128 -"
Update get_iplayer ... (tv is default)
Display Options:
--help, -h Intermediate ...128K shadow screen?Hi How does the shadow screen feature work , and how can it be used?
... a bad idea on the 128 to ever return to BASIC ... interrupt). You can actually swap display screens at any time and ...128K shadow screen?Hi How does the shadow screen feature work , and how can it be used?
... a bad idea on the 128 to ever return to BASIC ... interrupt). You can actually swap display screens at any time and ... .[/QUOTE]
The whole display minus borders flickers. I am ...Best 128k Speccy?Hi Which 128k Spectrum is the best from the point of view of the operating system, hardware design etc. Reason I'm asking is that I read on here th…
... . In my mind the Spectrum+, 128 and QL looked great in ... color. Neither produces a real display signal. Both had 1-bit ... Cherry keyboard mechanism for the 128.Best 128k Speccy?Hi Which 128k Spectrum is the best from the point of view of the operating system, hardware design etc. Reason I'm asking is that I read on here th…
... color. Neither produces a real display signal. Both had 1-bit ... Cherry keyboard mechanism for the 128.[/QUOTE]
Yes, sorry ...Why are rotozoomers on C=64 so fast ?Hi, I noticed rotozoomers on C64 are really fast. I'm not the best coder on Speccy but I know my pet I never succeed to do rotozoomer (or rotating ch…
... would have enabled the Spectrum 128 to have isometric games looking ... I've heard, the Commodore 128 was much more advanced than ... the C64, whereas the Spectrum 128 was basically the 48K running ... , and being able to swap display memory pages frees up CPU ...Why are rotozoomers on C=64 so fast ?Hi, I noticed rotozoomers on C64 are really fast. I'm not the best coder on Speccy but I know my pet I never succeed to do rotozoomer (or rotating ch…
... that. And even if the 128 Speccy had, say, a four ... with masking on a mono display file.
And I ... the last column of the display has the attributes set to ...Is there an emulator that.....?I tried firing up Alien8 yesterday but the wildly variable frame rate is just too much hassle these days. Does there exist an emulator that can adjus…
... ways of synchronizing with the display and so programmers were better ... potentially easier to fiddle with timings without breaking stuff.
Why are rotozoomers on C=64 so fast ?Hi, I noticed rotozoomers on C64 are really fast. I'm not the best coder on Speccy but I know my pet I never succeed to do rotozoomer (or rotating ch…
Yeah, a character based display like the C64 lends itself ... have been nice if the 128 machines had something along those ...Why are rotozoomers on C=64 so fast ?Hi, I noticed rotozoomers on C64 are really fast. I'm not the best coder on Speccy but I know my pet I never succeed to do rotozoomer (or rotating ch…
... I've heard, the Commodore 128 was much more advanced than ... bit more advanced". The VDC display is the main difference and ... an 640 by 200 pixel display with 8x8 pixel attribute cells ... 's CPUs can "see" the display RAM directly and have to ...Test screens for ZX PrismNot sure that this is *really* the right section for this request, but it's relating to new hardware I'm developing so let's start it off here - a mo…
... shimmer horribly on a VGA display. Although once completed I'll ... (whilst hiding one character of display at the screen edges like ... you might want to actually display black on the front layer ... page 5 on a Spectrum 128 (except with the paper 0 ...Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…
... 8 processors generating the clashbasher display and storing it in virtually ... code to capture 2 spectrum display files from anyware in the ... .53 Hz │ 3rd resonator frequency: 128 ─ 2500 Hz │ │
│ │ f4 │ formant4 ...BBC BASIC for WindowsHi Folks, Gave BBC BASIC for Windows a go today and it found it very good. I wrote a wee program to remove REM statements from my BasinC source. T…
... ,23);" "
colour 14 : colour 128
print tab(0,3 ... %)
rem +-------------------------------------------------------------------+
rem | Display record counters and finish |
Face-Off: ZX Spectrum vs. Commodore 64I found an old oldish, but very informed and interesting article on the ole Spectrum vs. Commodore 64 argument. The article explains the technical d…
... Spectrum-compatible with a CRT display. And by second generation QL ... the requirements for the original 128.[/QUOTE]
Or they ...Frames Per SecondHow many frames per second did the ZX Spectrum run at? I've found games that are 12.5fps but Ive recently been informed some games were at 25fps ...…
... too.
It draws 128 sprites in just over 20 ... 20.48s). 1024 divided by 128 is 8. So it stores ... copies it to the main display (timed to avoid the TV ...ZX Spectrum Evolution Graphic Compo 2014While this year edition of International Vodka Party we would like to organize a graphic compo especially for ZX Spectrum Evolution (320x200 in 16 co…
... display on real hardware (2 RGB entries work also on Pentagon 128 ... and ZX Spectrum 128, but use ZX ... ZX81 with ZXpand interface to display on real hardware.
Hot plugable edge connector?Could the spectrum's edge connector have been made hot plugable without adding much to the manifacturing costs? I was thinking along the lines of a…
... been a few 128's on here with no display, but are ... .
Presumably on these 128's a power supply rail ...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…
... * on memory (one copy to display content from normal screen and ... some memory switching logic, readjusting timings accordingly. I suggest keeping both ...
