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Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... 250 bytes of the core set of the spectrum's system ... need to LDI ONE-PIXEL ROW onto the screen (out of the ... /> [/quote]
Your proposed screen organization to splot a 16x16 ... one frame... for the current screen organization we are predicting 70000 ... -
Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... bytes of the core set of the spectrum's ... and hw...[/QUOTE]
Screen layout i'm talking ... 511112]
Your proposed screen organization to splot a 16x16 ... can imagine. Besides spectrum screen usually was refreshed in ... be drawing areas a pixel row at a time ... -
Need in beta-taster`s helpHello to all. I have developed hard-soft emulator of ZX Spectrum 48, but there are problems in work. My topics is: [url]http://www.worldofspectrum.or…
... on the screen?
My advice is to set some breakpoints ... good places to set breakpoints.
All the above assumes you ... -
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…
... opposed to Spectrum's bitmap screen area? You can still ... a pixel screen, imagine the Speccy had a character screen. You defined a set ... copies of that character on screen instantly change. But you ... a screen.
Instead the Speccy has 6K of pixel ... -
A thousand core CPU?Maybe this is old news to most people on here, but according to: [url]http://www.zdnet.co.uk/news/emerging-tech/2010/12/25/intel-why-a-1000-core-chi…
... 60fps on a 1024x768 PC screen has to shift around ... XBox had fewer bits per pixel). The difference is just night ... various reasons, including a lower screen resolution and lower texture details ... written for a known, limited set of hardware, with graphics limited ... -
Jet Set Willy 2What did everybody make of Jet Set Willy 2? I remember at the time i disliked it, I thought it was a cash in, and hated the way they just expanded t…
... occasionally used a non-black screen to good effect. Also, ...
[I]
JET SET WILLY 2 128K - THE FINAL ... version)
Jet Set Willy 2 - Fixed version. This ... game in 128K with the above additions.
... -
Flip Screen vs ScrollingWhich do you prefer? I've always liked flip screen games but I had a C64(spit) owning friend who hated them with a passion.
... example, in [I]Jet Set Willy[/I] the rooms are ... games use the flick screen to completely change the ... room is bigger than the screen. That works too ( ... Some bits of [I]Jet Set Willy[/I] (like the ... [I]Cauldron[/I], mentioned above) where there are single static ... -
Recommend a dev environmentIt's been a while since I last wrote any Z80 assembler - must be over 20 years, and since I wrote any spectrum Z80 assembler more like 25 years. I n…
... a line. Including the whole set of graphics routines would add ... its dependencies like calculate pixel address, modify screen address by moving left ... -
ZX80 FaultyI have a boxed ZX80 that when I connect to the telly it doesnt tune in right. I can use the K/Board and see that its working on the screen. Iv tried …
... />
Anyway, in the circuit above we are taking the composite ... doesn't blast the TV set (ie. full on white screen) -
ZX80 FaultyI have a boxed ZX80 that when I connect to the telly it doesnt tune in right. I can use the K/Board and see that its working on the screen. Iv tried …
... />
Anyway, in the circuit above we are taking the composite ... blast the TV set (ie. full on white screen)[/QUOTE]
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... to much more blocks per screen, for fairly reasonable cost, I ... do a new set of POPs for each pixel line, and it ... doing whole screen at once, whereas you do one 16 pixel row ...Gamecube MegathreadWell, we've got a PS2 megathread, so why not a similar Gamecube megathread? One where you can post your thoughts on the machine and it's games, and p…
... mates' machines. Like DM says above, I saw Luigi's Mansion ... up so much of the screen, either. And the salt in ... of the visor, and I set it to be almost invisible ...SE Basic Type-ins^Pete suggested creating a sticky thread for SE Basic discussion. I thought a Type-ins thread might also be useful. Up to the mods if they want to ma…
... stream
ld b, 0 ; set b to hold $00
ld c, a ; set the low byte of the ... br /> jr nz, crchq ; code, set the ATFLG to indicate that ... if 8-bit mode is set
jr nz, fchr ;+ ... h ; correct pixel position, place it on the screen
and ...Rendering techniques in emulatorsI've been giving thought to the possibility of speeding up the rendering in Zero considering I've been putting it off long enough. My approach is c…
... , when you write to it, set a flag in an array ... 't change much of the screen, so you'll save a ... the rendering (the "dump" phase above) at low priority. This means ...VIC-20 MegathreadWasn't the VIC-20 just a top machine? Discuss.
... can redefine the character set to get a pixel addressable area of ... about 160 pixels square on screen; larger ...The N64 megathread[Skip this if you want, the short version is "The N64 was deeply flawed, but still has some of the best games ever", so now you can claim you've read…
... that anyone aged forty or above shouldn't have to work ... ran faster and was full screen, whereas the PAL version had ... 's the one I recommend above to Vampyre, as it's ... , it's basically GT3 but set in four different time zones ...Rendering techniques in emulatorsI've been giving thought to the possibility of speeding up the rendering in Zero considering I've been putting it off long enough. My approach is c…
... , when you write to it, set a flag in an array ... 't change much of the screen, so you'll save a ... the rendering (the "dump" phase above) at low priority. This means ... you propose I rework the above flow?
[quote]
Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…
... use the technique as described above with fixed names as ... of the routine is just set up and comments; the ... line so that it can set them as requested in ... What FN m$() does is set up the dummy DEFADD area ... br /> copies top 1/3rd screen to bottom
44 ...50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... set the contents of the values to be PUSHed to the screen ... code for every word of screen data, which can't ... all that quick. The actual screen update would be fast, but ... you only re-write the screen edges each time). But that ... pre-shifting for a 2-pixel scroll.50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... ) but earlier they have been set up with the appropriate registers ... the screen). So what registers are being pushed is all set up ... just one tile on the screen at that time its as above.50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... fit them in a 16-pixel wide window and pre-scroll ... pull a word off that set that was, say, empty apart ... it must be shifting the screen address it writes to over ... at either side of the screen? So it's a more ... can't do the full screen width?50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... screen progressively to avoid the raster, which meant fetching a new set ... of graphics for each pixel row. Using the hidden screen, I ... border to hide an 8-pixel shift is smart and practical ... thing for using the full screen. Those thick black edges are ...Jet Set Willy (AKA + more)[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0002589&loadpics=3"]Jet Set Willy[/URL] * JetSet Willy as per the loading screen. [img]http:…
... /> * Why is Jet Set Willy (Room Designer) above Jet Set Willy (the game ... to Jet Set Willy Room Designer? As per the loading screen:
screen=screens/load/j/gif/JetSetWilly ...Jet Set Willy (AKA + more)[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0002589&loadpics=3"]Jet Set Willy[/URL] * JetSet Willy as per the loading screen. [img]http:…
... Why is Jet Set Willy (Room Designer) above Jet Set Willy (the game ... to Jet Set Willy Room Designer? As per the loading screen:[/quote ... is only on that loading screen; the tape itself contains the ... infoseekid.cgi?id=0014785"]Jet Set Willy Room Designer[/URL] ...Best way to organise a multi screen game?Hi All, Does anybody know ay good ways to organise large multi screen game? Or any links to useful texts on the matter? In my previous single scr…
... the data for an idividual screen is higher
set
Crystal Kingdom ... graphics) has 16x16 pixel tiles and screen compression along the horizontal ... surrounding something unique to that screen
every ...Put off by the Spectrum character setAm I the only one? Someone suggests a game, and you go "Ooooo haven't heard of that one, I'll give it a sho...*recoils in horror at the ZX Spectrum c…
... 3 x 7 pixel font for the names above the sprites.
set in the ROM or write ...Serial protocol, help!Hi, simply trying to find best way to transfer programs from PC to real ZX Spectrum for testing purposes. Under Windows I tried using Spxfr and it w…
... using an Interface 1. Above 4800 baud, things ... !
Set Realterm to the following parameters ... at the PC end, set the Realterm interface to:< ... br /> 1030 SAVE *"b"SCREEN$ [COLOR="Red"]- or LOAD, ... of course, replace the SCREEN$ bit with whatever CODE ...Official CSSCGC 2011 Competition ThreadHello fellas. The site is up and running. We are already accepting submissions. [url]http://www.mojontwins.com/csscgc2011/[/url] Rules, info, and e…
... finally see the amusing winning screen.
During practising, I ... out of fuel about one pixel above the landing area etc.. Even ...Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…
... work differently so the character set definition rules are different. ... br />
The PrintPR set could be transferred to PropSys ... compatibility with PropSys. The screen below shows the original PropSys ... fact you can print at pixel location too.
...Proportional Print Routine...Hi Folks, Does anyone know of a good proportional printing routine for the ZX Spectrum? Ideally I am looking for something that prints with charact…
... you can centre it on screen for example). Looking at the ... />
[CODE]Character Width
Pixel Width Byte Value
pixel width from the byte value ... a[/CODE]
The above code is for example purposes ...
