-
First steps in Z80 machine codeI never got into machine code much back when I had a speccy, as I didn't have any development tools at the time. The only machine code I'd previousl…
... routines (e.g. an 8x8 xor sprite routine), make simple sounds etc ... -
Brand new Spectrum shoot-em-upNow that Egghead in Space is finished I have begun work on another new Spectrum project, a horizontally-scrolling shoot-em-up. An early demo. versio…
nice game... and pretty code too. i did not notice that there is xor sprite routine. it really looks great and i hope u release next demo as soon as possible -
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…
... br />
._sprdrawftbl ; table of sprite draw functions indexed by type ... /> There are five basic sprite types: MASK, OR, XOR, LOAD and ATTRONLY ... For example, "SP1_ID_XOR1_NR" is an xor sprite without mask that will not ... -
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…
... pleased. I now have a xor sprite that moves around with key ... -
Worst Collision Detection & Colour Clash in gamesSorry if this as been mentioned before but i did do a search ;) In a recent discussion with a friend we talked about probs with the older games such…
... being drawn with an 'XOR', so that another 'XOR' operation will delete ... few Speccy games. Whether the sprite colours clash or not is ... than not, someone using an XOR sprite routine deliberately [I]won't ... -
Frames Per SecondHow many frames per second did the ZX Spectrum run at? I've found games that are 12.5fps but Ive recently been informed some games were at 25fps ...…
... that do not change. The sprite engine in z88dk works this ... areas around them), some are XOR (sprite graphics XOR with background), etc. Because ... -
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…
... 33 sprite types, all minor variations on MASK,OR,XOR,LOAD ... 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 ... -
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 ... -
help in byte mirroring.I need some help. What is the best way to mirror the byte? (for ex. 10010011 -> 11001001) I mean, if there is a simple way to do it (may be with OR, …
I need some help.
What is the best way to mirror the byte?
(for ex. 10010011 -> 11001001)
I mean, if there is a simple way to do it (may be with OR, AND, XOR and so on), I'll be able not to store a mirrored copys of sprite in memory.. -
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 ... -
Announce: EmuZWin 2.5 Release 2.2 Post-FinalEmuZWin Version 2.5 Release 2.2 post-FINAL (16-Oct-2004): [-] A small pause added between TAP blocks while loading tape from .TAP image (otherwise s…
... colors games (with GFX Screen XOR buffer turned on, actually seems ... .ZX and .SP snapshots.
[*] Sprite Finder made available without switching ... -
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. -
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 ... -
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 ... -
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 ... -
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 ... -
Pixel Explosion CodeJust a little snippet to cause explosive effects. It uses table lookups for the screen address, and can handle up to 32 pixel particles. A particle…
... /> ; (a) Drawn (remove the sprite), move, Drawn (in new position ...
move_and_draw_particles:
xor a
ld (activeparticles),a ... ) ; Get graphic
xor (hl) ; xor with screen
ld ( ... -
XOR - dodgy magazine referenceThe magazine reference section for Logotron's XOR has a link to a Spanish(?) magazine 'MicroHobby Especial'. All well and good, but the magazine arti…
The magazine reference section for Logotron's XOR has a link to a Spanish(?) magazine 'MicroHobby Especial'. All well and good, but the magazine article seems to about XORing bits, rather than moving chickens and fish around a maze. -
Comments for small "sprite" routine wantedI have just written my first machine code program and I am quite happy (and proud) to get it working! :smile: As a child I never learned anything e…
... the program enters this "move sprite" block?
I used ... ://www.rickardberglind.se/zx/move-sprite-1.z80"]here[/URL].
sprite"
ld e,8 ;e ... =number of rows in "sprite"
ld d,31 ;d ... -
Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…
... .jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by ... = x ^ (x > 1)
xor e
ld e,a ... -
A typical sprite listing to analyse, please?Hi all, Would anyone be interested in helping out with my ongoing Assembly studies by posting up, posting a link to or mailing me a typical sprite l…
... or mailing me a typical sprite listing to analyse? :roll:
sprite as it moves along the ... -
Little Sprite DemoI've managed to make a little headway with my fooling around with sprites, so I thought I'd stick a snapshot demo thing somewhere for anyone who is i…
... the attributes associated with the sprite were being cleaned up properly ... />
The scrolling of the sprite is handled completely on the ... -worked out frames for the sprite's positioning. Also, it moves ... -
Jet Set Willy sprite evilities.Hello everyone. I am currently trying my hand at modding Jet Set Willy, but there is a big problem - I can't use half of the sprites. I am using JSWE…
... guardian editor, and select a sprite, there's a big list ... I enter it in, the sprite is STILL pliers!! How on ... earth do I change the sprite so that only the spinning ... -
Sprite MaskingI was looking at the sprites in some games, and noticed they have sprite followed by mask. Usually a row at a time (so the mask is sort of interleave…
... games, and noticed they have sprite followed by mask. Usually a ... it with the sprite to add in the sprite.
Repeat ... ?
Why does the sprite come first - and for at ...
