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A sped up pixel-shift routine for 1-byte–wide spritesHere’s an optimized (for speed) real-time sprite shifting routine for sprites that are one byte wide. It uses no memory variables for storage of inte…
... optimized (for speed) real-time sprite shifting routine for sprites that are ... af,af’[/b]. When no shifting is necessary, both A and ... /> jr z,msl_skip_shift ;okay, no shifting needed
ld b,a ... a ;no shifting was necessary; load B with sprite data from A ... -
Graphics in Basic??What is the fastest way to draw high rez graphics in Basic. Andrew.
... know any good 8X4 ( udg sprite shifting code).
I know ... -
Framerate of Spectrum gamesI was reading a bit about framerates in modern games and it got me wondering about the Speccy. First off I'd hoped to find what framerate my old gam…
... operations like background scrolling or sprite shifting. The operations take longer then ... -
Any Examples of player controlled masked sprite over flip screen tilemapped rooms?Please does anyone kindly have any z80 code examples of a flip screens tile map with a masked character sprite that you can control via keyboard, ie …
Most real tile/sprite routines are heavily optimised for ... to screen addresses.
2. Sprite shifting (or pre-shifted sprites)
3. Sprite masking.
4. Tile drawing ... -
JetPac Java ripoffDiscovered this whilst looking for Java games. A (poor) version of Jetpac.....cleverly called "Jetpac". A few sound and sprite samples from the spe…
Discovered this whilst looking for Java games.
A (poor) version of Jetpac.....cleverly called "Jetpac".
A few sound and sprite samples from the speccy.
[url]http://www.onemorelevel.com/games.php?game=93[/url] -
shifting spriteshi. have anyone experience with shifting sprites by table ? some neat tricks ? i don't want to see complete code (really don't want, it trashes thr…
hi. have anyone experience with shifting sprites by table ? some neat ... much about using tables for shifting but it looks to me ... /> [code]
rr e ;for sprite width 3 bytes
rr ... -
Sprite RotatingI was looking (actually at Everyone's a Wally), and noticed that all the graphics for the main characters are left facing, and two characters wide. …
... 's mirroring and shifting sprites as part of the sprite routine?
I thought that actively shifting was ... -
Retro Remakes: Jetpac & HyperbowlMy brother and I comprise Banshee Studio's (known in the Spectrum era as Banshee Software and Redsoft). We have completed writting a PC retro remake…
... retro remake of the game Jetpac and have reached public beta ... ).
Our version of Jetpac can be downloaded from our ... -
Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…
I've coded sprite drawing before and ... Amiga with hardware blitter for shifting + AND + OR, ...
2a. Shift the sprite + mask into a temp buffer ... /> Variants:
When shifting on-the-fly, have a ... would be my first sprite-drawing routine for spectrum, ... -
C, Z88DK and the Sprite Pack Library I wrote a short demo that shows a taste of what can be done from C on the Spectrum: [url="http://justme895.tripod.com/zqa/pacmen.zip"]http://justme…
... to help in debugging the sprite pack library. You should be ... a fresh release of the Sprite Pack library in the next ... -
Best 16K game (AKA JetPac vs Deathchase)I'm not sure whether this has been asked before, so I thought I'd narrow it down. Let's face it, there are two games that stick out from the rest in …
... in 16K world- Ultimate's JetPac, and Micromega's Deathchase, by ... could not cope with.
JetPac is great too, but not ... -
Wanted Software to Swap for Rom Carts ;)Wot I have for grabs is 4 Complete ROM Carts which I will swap for my wants below Horace [url="http://www.cornishdavey.dsl.pipex.com/4.jpg"]http://w…
... /4.jpg[/url]
Jetpac
[url="http://www.cornishdavey ... -release)
Flashpoint
Laser Sprite Generator
Quondam
Rescue ... -
Print 'n' Plotter SPRITE MACHINEJust got this from an ebay seller this afternoon. I just TZXd it and sent it to the Steve at the vault, yet it might be a while before it gets put up…
... time to type up the SPRITE MACHINE manual, but in the ... -
Sprite Graphics TutorialHi everyone, Would like some feedback on the following: I am thinking of writing a Sprite Graphics Tutorial, ie. how to best program and implement …
... am thinking of writing a Sprite Graphics Tutorial, ie. how to ... best program and implement Sprite graphics. I would hope to ... -
Machine Code Sprites Example Code Using Char Based SystemBelow is my WIP code to do smooth screen wrapping sprites using char positions and offsets, as opposed to writing direct to a line (0-191) and shifti…
... a line (0-191) and shifting bits.
You ... LD IX,sprites ; Point to sprite data
LD B,TOTALSPRITES ... return so we can print sprite to screen
sprite
LD E,(IX+3 ... -
absolutely stunning jetpac remakego to [url="http://retrospec.sgn.net/"]http://retrospec.sgn.net/[/url] here you will find a pc remake of jetpac called jetpak solar crisis and i rea…
... find a pc remake of jetpac called jetpak solar crisis and ... -
Help needed with drawing masked spriteI need to draw a small sprite (16 bytes) on to the screen using a mask. Its the only sprite that will be used so speed isn't too important. I was goi…
... need to draw a small sprite (16 bytes) on to ... mask. Its the only sprite that will be used so ... the screen (based on the sprite x,y). I would then ... draw the sprite to the screen using the ... screen address then draw the sprite again. Does this seem a ... -
Laser Basic Sprite GeneratorDoes anyone know how to use Laser Basic Sprite Generator? I've downloaded it from this site but I don't know what to do with it! Thanks in advance.
Does anyone know how to use Laser Basic Sprite Generator? I've downloaded it from this site but I don't know what to do with it!
Thanks in advance. -
Jetpac release dateHi folks, Does anyone happen to know when Jetpac was released? I know it was 1983, but do you know which month, or even better, the exact date. I …
... anyone happen to know when Jetpac was released? I know it ... our Spectrum and I know Jetpac had just come out... -
Best Sprite on the SpectrumWhich sprite or character from any Spectrum game do you think is the best? I personally like both the Miner and Jet Set Willys, because of thier sim…
Which sprite or character from any Spectrum game do you think is the best? I personally like both the Miner and Jet Set Willys, because of thier simplicity. -
Sprite Tutorial: Section on Masked Sprites addedLatest installment of my Sprite Graphics Tutorial: [url="http://members.aol.com/derekmsmith1/Spectrum/TUTORIAL.RTF"]http://members.aol.com/derekmsmi…
Latest installment of my Sprite Graphics Tutorial:
[url="http://members.aol.com/derekmsmith1/Spectrum/TUTORIAL.RTF"]http://members.aol.com/derekmsmith1/Spectrum/TUTORIAL.RTF[/url]
Derek -
Best method for sprite collision detectionHi, I have been trying to incorporate collision detection into a sprite routine I writing. The following is what I have come up with so far: POP D…
... incorporate collision detection into a sprite routine I writing.
The ... /> POP DE ; e=mask, d=sprite image
LD A,(HL ... :
LD A,(HL) ; draw sprite as normal
AND E ... -
Jetpac not working on EmuZWin27I'm not sure if it is a bad tzx but everytime i try to play Jetpac the screen goes blank. Jetpac (1983)(Ultimate)[a], i tried the alternate version t…
I'm not sure if it is a bad tzx but everytime i try to play Jetpac the screen goes blank.
Jetpac (1983)(Ultimate)[a], i tried the alternate version to and got the same result. -
sprite making in +3 BASIC?Any sprite tutorial I come across is far too complicated! Can someone help me? For instance, how do you create a person-shaped animated sprite which …
Any sprite tutorial I come across is ... create a person-shaped animated sprite which will collide with objects ... -
z88dk + splib2: another question (sprite instancing)I'm making some tests with z88dk+splib2, with the idea of creating a game sometime in the future, and I have come across a problem. Let's suppose I …
... tiles, I must create a sprite for every single instance of ... 10x 14 bytes allocations per sprite, a lot of memory if ... and use a kind of "sprite instancing"? I mean, I could ... sprites, and say "I want sprite 1 drawn at coordinate (X ... -
Toobin'I just took a look at this game for the first time. It got kind of mixed reviews, and I can see why. Quite a good idea, but a bit too frantic and unp…
... it. I did program a sprite routine in compiled BASIC for ... animation (!), but all the byte shifting was a bit messy and ... -
Sprite DesignerDoes anybody know of a good sprite-designer package? The game I'm currently working on is requireing a lot of sprites, and coding them all as binary…
... anybody know of a good sprite-designer package? The game I ... able to design a 16x16 sprite, with or without colour, with ... information is interleaved for that sprite.
Does anybody know ... -
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... .
6. Sprite colours are now masked. This ... splib2 by iterating over the sprite characters with sp1_IterateSprChar() or ... different colours depending on sprite rotation to minimize colour ... .
8. Sprite animation frames now use absolute ... -
Sprite adviceHello. So, I'm slowly getting to grips with Z80 assembly - currently equal parts frustration and enjoyment. Now looking for some advice to help shift…
... /> I've written a simple sprite routine that draws a 8x8 ... each pixel row of the sprite separately. This works well ( ... to rub-out the old sprite position without suffering a horribly ... flickery sprite? Currently, I have no routine ...
