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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…
... of those things - loading the SCREEN$ from RAM disk is very ... 6K you could load it to? then LDIR it to screen? -
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…
... you could load it to? then LDIR it to screen?[/QUOTE]
to removal of REM statements). It ... I have asked ZX BASIC to do and how well it ... -
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…
... 's because it is faster to do it in assembly than ... can see is the SCREEN$ image loading in to screen memory. This happens ... is noticable i.e. the screen does not just appear (if ... -
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…
... and have managed to get close to a full-screen update in one ... do larger areas of the screen. Also to use simpler landscapes with ... sprite functions that can clip to screen edges so the play area ... is the full screen width. And obviously to fit this in ... -
Commodore 64 - First time trying - REVIEW & Pictures!Right, so the 2nd hand shop was selling this Commodore and accessories. So I decided to buy it, as I've never had a Commodore and this is my first ti…
... , but Commodore owners tended to be nerds, some spotty ... and garish to me!
Fair to say the ... seen, the games seemed to lack soul on the ... g. spec you draw straight to screen.. c64 you have sprites.. ... I think you really need to look at demos with ... -
What's on your saucer?Thanks go out to frobush and zx1 for inspiring* this WoSser to create a yet another excellent WoS thread. Lunch 10 minutes ago. [IMG]http://i300.ph…
... you concerned with the plate-to-screen ratio:
I figured out ... how to take smaller pics! (but keep ... -
What's on your saucer?Thanks go out to frobush and zx1 for inspiring* this WoSser to create a yet another excellent WoS thread. Lunch 10 minutes ago. [IMG]http://i300.ph…
... you concerned with the plate-to-screen ratio:
I figured out ... how to take smaller pics! (but keep ... that to yerselves)[/QUOTE]
ZX ... -
Building a loading screenHi all, if anyone is interested - Andy has posted up some steps he went through to construct the Spectrum loading screen for Gloop Troops 2. There mi…
... tools suggested but the link to Pasmo assembler 0.5.4 appears ... /[/url] but it just links to original site that is down ... -
Building a loading screenHi all, if anyone is interested - Andy has posted up some steps he went through to construct the Spectrum loading screen for Gloop Troops 2. There mi…
[QUOTE=jammajup;605635]the link to Pasmo assembler 0.5.4 appears broken,any idea of another location where i can get this?[/QUOTE]
[url]http://pasmo.speccy.org/[/url] -
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…
... decent z80 code to throw the maps up to screen and thinking how ... -
Best game ever?Not sure the best way to do this, thinking top 10s with a sliding scale of 10 points awarded to the game you vote 'best' down to 1 point for your 10t…
... />
But I lost hours to running around enjoying myself on ... will appear now n then to lead to to a real shape
to move around from screen to screen without losing health ... the way, making it tough to follow her. Usually about 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.…
... code it's very difficult to find room for improvement. ... function you could squeeze table to screen memory) but keeping information about ... bytes and then you fallback to tedious searching (thats why ... comparison.
Have to say i never implemented it ... -
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…
... />
- Simple flip screen map,
- Map is monochrome ... colour data overlaid to screen, depending upon the screen number.
... - Sprite will thus detect screen pixels under his feet (a ... which is unpacked between each screen flip.
... -
Exilei\'m sure this has been brought up before but couldn't find a thread in 'New Game Ideas'. Why did the Spectrum never get a port of the BBC game Exile…
... unrolled loops, then dumping it to screen using the POP/PUSH method ... though, and there would need to be 8 pre-shifted copies ... of each tile, not to mention the sprites. It's ... -
Exilei\'m sure this has been brought up before but couldn't find a thread in 'New Game Ideas'. Why did the Spectrum never get a port of the BBC game Exile…
... loops, then dumping it to screen using the POP/PUSH method ... , and there would need to be 8 pre-shifted copies ... of each tile, not to mention the sprites. It' ... s unlikely to work in 48K.[/QUOTE]
to do, but whatever the ... -
Routine for clearing screenI was looking for a 'nice' way of clearing a screen of graphics in Z80. After a ridiculous amount of time mucking around, this is the best and most …
... of start of screen buffer; 192 used to test the 25 ... br />
; Map DE to pixel in screen buffer (HL)
to point to screen buffer
LD A ... br /> ; Bit positions within screen byte to set
.BYTE 00000001b
Exilei\'m sure this has been brought up before but couldn't find a thread in 'New Game Ideas'. Why did the Spectrum never get a port of the BBC game Exile…
... unrolled loops, then dumping it to screen using the POP/PUSH method ... though, and there would need to be 8 pre-shifted copies ... of each tile, not to mention the sprites. It's ... unlikely to work in 48K.[/QUOTE]
3D Wireframe/vector animation creator and player?Is there any software that can help record wireframe 3D animations by creating a file that stores just the coordinates and lines? If the answer is "n…
... The idea is to treat this screen at z=-d ... 's viewing distance to the TV screen. If you set ... d=1 to simplify the ... real distance / distance of human to screen.
The ... (hence negative d for the screen position).
< ...3D Deathchase on the Commodore 643D Deathchase has been ported to the C64, at least according to Micro-Mart. According to this week's MM, the port is called Hell Racer, and here's a …
... bytes of that space assigned to screen and colour RAM at start ... (these can be relocated to 2K boundaries to allow for buffering). Bitmaps ... s possible to get all 121 colours onto the screen in character ... for anything that'll matter to people playing games) and ...Games Club WC 23/4/123 more, including a cricket sim. oooooh Rescue - Mastertronic Ltd Gauntlet: The Deeper Dungeons - US Gold Ltd Howzat - Wyvern Software
Hmmm, I quite like it so far, but I'm not that good at it. Nice that the tanks can chase you from screen to screen. Eek!Un-named AGD 3 gameI've been playing about with (and learning a lot about) Mr. Cauldwells excellent AGD 3.0 today (being off work with shot knees has given me a lot of …
... player starts in screen one (0) obviously, and exiting to the other ... the third, you can get to screen two, but not the first ... you can get back to screen 1 from screen 2. Just not when ... right. Moving left exits to the previous screen, but the sprite drops ...Arcade Game Designer 3The latest version of the arcade game creation tool for the 128K Spectrum. AGD 3 now boasts pop-up menu and inventory facilities for arcade adventur…
... , it's impossible to get back to screen one. This also ... causes two spaces (blocks) between platforms to ... dies, the screen either freezes, or shifts one screen to the right ... pixels down during transitions between screen 3 and 4. I ...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 …
... not optimal but working is to have 2 buffers :)
2) copy scrolled background to the 2nd buffer
to both bufers at the same ... />
4) copy 2nd buffer to screen
It is one ...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 …
... not optimal but working is to have 2 buffers :)
2) copy scrolled background to the 2nd buffer
to both bufers at the same ... />
4) copy 2nd buffer to screen
It is one ...Outrun Europa - In colourAre there any coder's willing to see if we can put the colour into this game as originally intended?
... the routine which copies them to screen, just in the last moment ... flashing attribute into playing area screen attribute memory. And what? ... will break into debugger when screen memory is overwritten.
< ... white. My first poke was to replace it with NOP NOP ...Outrun Europa - In colourAre there any coder's willing to see if we can put the colour into this game as originally intended?
... the routine which copies them to screen, just in the last moment ... flashing attribute into playing area screen attribute memory. And what? ... will break into debugger when screen memory is overwritten.
< ... white. My first poke was to replace it with NOP NOP ...Beginner questionThis might sound and be daft.... I've just been reading J Cauldwell's "how to write a Spectrum game" but was thinking of writing something in C as I…
... the name as they translate to assembler.
In z88dk ... (before linking) belongs to the assembler which then combines your ... translator will mangle the name to "_spritedata" but the 'extern ... of bytes at _spritedata to be individually accessible through ...In Java for ZXHi All I am glad to notify you that I have opened the sources of my J2Z80 translator (0.1 version) which allows to use Java toolchain to generate Z8…
... the images or pixels directly to screen)
Math.Random (I ... /> You might even be able to wedge in limited thread support ... be a sufficient equivalent to C++'s delete (to make detection easier ... it allow some basic optimization to decrease code size and other ...New Game: BerksManLink: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027713[/url] Originally written to demo Boriel's ZX Basic, and still needing most of th…
... timed, right now, and to get pixel movement right ... get things like 6 frames to 8 pixels movement, really ... the spare CPU cycles to make that tick nicely. ... t be able to resist adding silly stuff to it.
to screen 20...
...Multi-sized character screen driverFollowing on from the thread on [url=http://www.worldofspectrum.org/forums/showthread.php?t=24618&page=14]character output routines[/url], I've dug o…
... the chars with the existing screen. With 64 column, you ... the DAA-style rotation to move the half fonts ... . It must be possible to make it faster than RST ... .
One thing to consider is processing two chars ... and writing two chars to screen together.
