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Simple SpriteHow do you draw a sprite on the screen? For example i want to draw a smiley face sprite and would like either a link to a tutorial or a very well com…
... to understand how the spectrums screen memory works ( Voodoo if you ask ... -
Simple SpriteHow do you draw a sprite on the screen? For example i want to draw a smiley face sprite and would like either a link to a tutorial or a very well com…
... very comprehensive manner how the screen memory is organized, with lots of ... -
Newbie says 'Alreet?'Hiya dudes, Just dropping a line to say hello as i've decided at 33 to try and fulfill a long time ambition to write a speccy game in machine code..…
... ??[/QUOTE]
Organisation of screen memory. It's qute a hard ... display a sprite on the screen. It isn't a single ... =0&turns=0&memory=0&language=0& ... -
Newbie says 'Alreet?'Hiya dudes, Just dropping a line to say hello as i've decided at 33 to try and fulfill a long time ambition to write a speccy game in machine code..…
I would say get a game working, however simple, and take it from there. How about the roadrace game in the tutorial in my sig? It doesn't touch the screen memory, just uses the attributes to teach the basics of assembly. -
128k multicolour graphics...ok over the years I've been a fan of multicolour graphics on zx spectrum, an I clearly get that on a 48k the (8x1@2)multicolour limit stands at 18cha…
... PUSH the data to successive memory addresses. If you want to ... and right edges of the screen, is each line has slightly ... be as long as the screen memory itself and custom-written. It ... -
128k multicolour graphics...ok over the years I've been a fan of multicolour graphics on zx spectrum, an I clearly get that on a 48k the (8x1@2)multicolour limit stands at 18cha…
... be as long as the screen memory itself and custom-written. It ... -
Sinclair User tapestry screenshots?!I'm reading SU issue 100 (my actual copy) and I notice a few screenshots that look very strange. First there is (links show WoS page scans) [URL="htt…
... like the bitmap of the screen memory has been dumped to a ... a grab of 6K of screen memory, it represents a new low ... on the top of the screen[/I]", when they clearly aren ... -
What paging scheme is the "standard" for 128K models?Sinclair implemented an arrangement so that even numbered pages are non-contended, and odd numbered pages are contended (quoting from memory, haven't…
... around them.
As memory, it uses just two 4464 ... know what? All memory is uncontended. Yes, even the screen memory.
What was the best Designed Speccy???So what does the World Of Spectrum think the best Designed Spectrum was? [URL=http://imageshack.us/photo/my-images/845/thespectrums.jpg/][IMG]http:…
... Spectrum's advantage of small screen memory to allow it to do ...What was the best Designed Speccy???So what does the World Of Spectrum think the best Designed Spectrum was? [URL=http://imageshack.us/photo/my-images/845/thespectrums.jpg/][IMG]http:…
... Spectrum's advantage of small screen memory to allow it to do ...BackgroundDoes anyone know how i would create a background similar to [URL=http://imageshack.us/photo/my-images/42/backgroundmockup.png/][IMG]http://img42.ima…
... /> LD HL,22528 ; start of screen address
LD A,22 ... sure move loop counter in screen memory
INC HL ; increment hl ...BackgroundDoes anyone know how i would create a background similar to [URL=http://imageshack.us/photo/my-images/42/backgroundmockup.png/][IMG]http://img42.ima…
... ]LD HL,22528 ; start of screen address[/QUOTE]
No. Start ... sure move loop counter in screen memory[/QUOTE]
Write attribute byte ...Writing an emulator - how to / resourcesI'm looking for a holidays project, and I'm thinking I'd like to write a simple Spectrum emulator. I've googled plenty and read some resources, but …
... is just Z80 emulation code, screen memory conversion code (no multicolor etc ...Writing an emulator - how to / resourcesI'm looking for a holidays project, and I'm thinking I'd like to write a simple Spectrum emulator. I've googled plenty and read some resources, but …
... is just Z80 emulation code, screen memory conversion code (no multicolor etc ... set my expectations for a screen + keyboard only at first. Thanks ...Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... br /> First the basics - All memory is stored in Bytes - i ... The same goes for the screen, where each of those ... with the bits of the screen memory - but if you ... with the bits of the screen memory again. This is called ... you draw on the screen. So there are two ...Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…
... again, clearing the screen is just clearing the screen surely?
screen memory (both are doumented earlier in ...Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…
... through screen memory, so as the screen is being drawn downwards, the memory is ... frame where only half the screen is erased. Using LDIR on ... it works faster than the screen redraw so if you PAUSE ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... can redraw the entire screen from a buffer in 2 ... If you scroll the screen by characters at that speed ... one whole screen goes past in under ... it in-place in the screen memory.
[I] ... though. Huge areas of the screen in [I]Zynaps[/I] ...Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…
... see is the SCREEN$ image loading in to screen memory. This happens very ... is noticable i.e. the screen does not just appear (if ...Authored with ZXodus EngineIMHO the [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0026639"]ZXodus Engine[/URL] entry should have a list like "The following games are k…
... of trying to save the screen memory.
Here's a ...Zodiac on the OricI played my first game on an Oric at the weekend. I was struck by the slow speed of the parser. It took about 6 to 8 seconds between typing somethin…
I remember a space invaders clone on the Atmos. Someone recently did a conversion of Stormlord, but it looks a bit odd.
Go and look up how the screen memory is laid out in the Oric if you want a laugh.Zodiac on the OricI played my first game on an Oric at the weekend. I was struck by the slow speed of the parser. It took about 6 to 8 seconds between typing somethin…
... and look up how the screen memory is laid out in the ...LZ77 en/decodingI've written an LZ77 en/decoding routine as I couldn't find one around for the Spectrum. Initially I'm just doing it in BASIC to get the logic right.…
... you could squeeze table to screen memory) but keeping information about bytes ...Freddie Laker's Airline CapersA game with the above title was added in yesterday WOS update. [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027482[/url] [IMG]http://www.…
The loading screen just looks like so many ... 23296 as a table of screen memory addresses, which might narrow things ...How to safely maximise available memoryHi All, I'm toying with an idea that will require I have as much memory available as possible. I'm a little embarrassed I have to ask this tbh. As…
... Scumball 2's use of screen memory was discussed here too.
screen memory in the 48k version of ...Scrolling a mapCan someone explain in idiots terms how you scroll a map. I'm not after code as such, just an explanation of how it can be done. I'd like to scroll…
... a chunk of memory to hold a working screen. It should be ... to match the Spectrum's screen memory layout.
Then, you ... that prepared buffer to the screen, again, based on the precise ... each line within your actual screen window and just copy one ...Abbaye des morts[url]http://www.locomalito.com/juegos_abbaye_des_morts.php[/url] Looks like Spectrum, sounds like Spectrum, but it's not a Spectrum ('cause no colou…
... dump the buffer to the screen.[/QUOTE]
If the ... in a proper page for screen memory is done with a single ...Open and read a file using +3DOS in MCForgive me if this has been asked and answered before, I've spent a fair few hours searching the forums and looking for books on the subject, all wit…
... , all using part of the screen memory... I just have to remember ...Outrun Europa - In colourAre there any coder's willing to see if we can put the colour into this game as originally intended?
... routine which copies them to screen, just in the last ... routines buried deeply in the memory but never called.
... attribute into playing area screen attribute memory. And what? It ... will break into debugger when screen memory is overwritten.
...Outrun Europa - In colourAre there any coder's willing to see if we can put the colour into this game as originally intended?
... routine which copies them to screen, just in the last ... routines buried deeply in the memory but never called.
... attribute into playing area screen attribute memory. And what? It ... will break into debugger when screen memory is overwritten.
...
