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48K vs 128K BASIC, I prefer the keyword entry system how about you?Being brought up with the 48k rubber and 48k+ I find the keyword entry system really fast and enjoyable to use. When I've played around with the 128k…
... scanned the keyboard at 50Hz (vertical blank interrupt). Some like the Acorn ... -
Scrolling loader counter in 85 T-States?Would it be possible to write a scrolling loader counter in 85 T-States? I have a custom screen load routine that loads attribute first, then the …
... loader can tell if a vertical blank has occurred and deal with ... -
How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... on (to sync with the vertical blank interrupt) without reenabling the interrupts ... -
Hardware Reference Manual for ZX SpectrumHi, I want to write games for ZX Spectrum in assembly language. I have lot of books in PDF format from SpectrumComputing. Still missing a book lik…
... to the description of the Vertical Blank interrupt. Synchronization thanks to the ... -
Hardware Reference Manual for ZX SpectrumHi, I want to write games for ZX Spectrum in assembly language. I have lot of books in PDF format from SpectrumComputing. Still missing a book lik…
... to the description of the Vertical Blank interrupt.
[/quote]
... Waiting for vertical blanking is very simple on ... be the start of the vertical blanking period.
Then ... you want to run during vertical blanking.
... -
Blank .dsk Disk images for use on EmulatorsIs there anywhere I can find a .dsk image of a blank read/write Spectrum +3 disk? X128 can read them, but can't create them :(
Is there anywhere I can find a .dsk image of a blank read/write Spectrum +3 disk? X128 can read them, but can't create them :( -
+3 Blank Disk??This may be a stupid question, but is there such a thing as a blank +3 disk image? Why you may ask.... I want to save my position in adventure game…
This may be a stupid question, but is there such a thing as a blank +3 disk image?
Why you may ask.... I want to save my position in adventure games, but don't want to save them to the game disk image. -
Vertical ScrollersI like finding classic Speccy games which i've never really heard of or played before. I like vertical scrollers, any gems i might have missed from …
... or played before. I like vertical scrollers, any gems i might ... Cresta
Any classic vertical shoot em ups please post ... -
Blank text messagesI switched my mobile on this morning and i noticed i had a text message so when i opened it it was completly blank and there wasnt even a number or t…
... opened it it was completly blank and there wasnt even a ... -
Blank tapes are super cheap at LidlA while ago there was a thread about blank audio cassettes and where to get hold of them. Well I've just been into my local Lidl and they are sellin…
... there was a thread about blank audio cassettes and where to ... -
Where to buy cheap blank DVDs online?Any recommendations of where to buy cheap blank DVDs online, in the UK? Cheers, Daren
Any recommendations of where to buy cheap blank DVDs online, in the UK?
Cheers,
Daren -
Cheap blank CDs and DVDsHey guys. Does anybody know where is the cheapest shop or online shop from which to order blank CDs or DVDs in the UK delivered? I'm talking about …
... shop from which to order blank CDs or DVDs in the ... -
RealSpectrum doesn't work in 48k mode.It doesn't. All that happens is a black screen with a few vertical red lines, which disappears after about 1/10 of a second. Then, it goes blank, w…
... black screen with a few vertical red lines, which disappears after ... a second. Then, it goes blank, with "(c) 1982 Sinclair Research ... -
Blank .tap fileHi How do I create a blank .tap file to save games to use in ZXSP ? Very brief info on this in the docs, cannot seem to get to grips with it. Als…
... /> How do I create a blank .tap file to save games ... -
Aliens vs. Predator has been released for the XBox!!!Aliens vs. Predator, the superb PC first person shooter (the first AvP, not the inferior AvP 2) has been released for the XBox! You need to download…
... /> LEFT and RIGHT will be blank - Don't change these! The ... /> likely want to invert the vertical axis from that menu also ... -
Spectrum dead: 8 vertical bars in alternating colorsI have been soldering on this basterd for a long time now. All IC's now have sockets (except the LM1889). I swapped all 4116's by types that are 100%…
... up the system, is 8 vertical bars, with some flickering blocks ... , I even het 8 perfect vertical bars without distortion. The 8 ... -
Any use for old cassette cases and blank/copied cassettesHi folks, I've come into some tapes, musical, some of which I can pass on to a charity shop, but others are home copies so will have to go in the bi…
... for wiping and using the blank cassettes.
Obviously the ... -
My first program - a vertical scrollerHi all, I'm new here. Nice to meet you all! A couple of weeks ago I decided to learn Z80 assembly language. I spent many hours in front of the Spec…
... />
It's a little vertical scroller. My goal was to ... -
Blank Jet Set Willy II .gif map?The link for the map file "JetSetWillyII.gif " works, but the image that I am presented with is blank with a little red x in the corner, although it …
... I am presented with is blank with a little red x ... -
Smooth (vertical) scrolling on ZX SpectrumI was just thinking about this. You know, you have systems like Atari 2600 or Sega SG-1000 that have no hardware scroll, but they have games that sti…
... smooth (probably full 50 fps) vertical scrolling. Games like Monaco GP ... -
editing strings with INPUT LINEHere's the latest in my unpredictable series of utility routines. This one I needed for the SAGE game editor; it emulates INPUT LINE l$ but with the …
... for editing, rather than starting blank as would be the normal ... the string).
The vertical cursor enhancement from "joining lines ... -
Scrimpy screensHere's a question - how small a window can you get away with as a playing area for an arcade/action game before anyone notices? From the very earlie…
... good aspect ratio for a vertical shmup:
[IMG]http://www ... padding. There's also a blank column each side to disguise ... -
Vertical Shoot'em Up's: Humans.Ok. This topic is about those vertical shoot'em up's in which you control a human. Why? Because I say so. It's just a nitpicking categorization. And…
... . This topic is about those vertical shoot'em up's in ... -
Vertical Shoot'em Up's: Ground Vehicles.Ok, the topic says it all. We're talking about tanks, jeeps, cars, pogo sticks and futuristic vehicles (as in Marauder). There's no really substanti…
... in the gameplay from the Vertical Shoot'em Up's with ... is among the finest Vertical (and non-vertical) Shoot'em Up's ... -
Vertical Shoot'em Up's: Spacecrafts.what's missing? for updated lists look [URL="https://sites.google.com/site/concealedwords/home/zxspectrumgames/vertical-shoot-em-up-s"]here[/URL]. …
... .com/site/concealedwords/home/zxspectrumgames/vertical-shoot-em-up-s"]here ... -
Yet another glitchy graphics 48kHeyo, I'm new both to the forums (sorry if this is the wrong forum) and to Spectra I'm afraid, picked up a 48k from a steam fair sale thingy (not th…
... " to drawing vertical red lines on an otherwise blank screen. The border ... -
Video capture from spectrumI got this usb video capture device from maplin to try and record some clips of programs running on my 48k spectrum. [url]http://www.maplin.co.uk/us…
... /> The grabber just gives a blank screen. If I disconect then ... up the screen like the vertical sync is off.
vertical sync signal.
Anyone ... -
Another vertical scrolling questionwhile talking about w256 x h128 vertical scrolling, are 128k modes have any advantages over 48k models? has extra ram or swappable screen buffer any…
while talking about w256 x h128 vertical scrolling, are 128k modes have any advantages over 48k models?
has extra ram or swappable screen buffer any use on scrolling? -
1 blank 3" diskTitle says it all, I have a +3 sitting here and because I got rid of all my +3 stuff in one go I now have no means of testing the disk drive, so, if …
... anyones got a known good blank they dont mind parting with ... -
Scrolling Bi-Colour Engine for 4-Player GamesJust putting this code up for people to have a look at. Far from finished. Should simply compile and run a bit of a demo. Only good for 128K and +…
... -around attribute map to allow vertical attribute-based scrolling.
;Use ...
