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Double Dragon Remake: The Development ThreadOk guy's, so this is the new thread that will be focusing on Jim Bagley's development of the Double Dragon remake that was first proposed by myself a…
holy crap!
That is looking mighty impressive. It's sounding pretty damn cool too.
Only thing you've missed from the C64 version is the gap between the body and legs where the coders couldn't get the sprite interrupts right ;) -
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 ... -
Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…
... a good tutorial on using interrupts? As soon as someone mentions ... -
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 ... -
IM 2 interrupts and smooth scrolling - easy peasy!Okay, been fiddling around with IM 2 and have actually mastered (I think) how to use IM 2! Now I run my game Ragnar Revival in IM2 and use HALT to sy…
... 1 and enable
ei ;interrupts. Jump to 0056 in ROM ... -
InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... 3.54 MHz, so interrupts are still generated every ... interrupt routines; see the retriggered interrupts section below.
interrupts were enabled beforehand.
... 'nnnn'.
Retriggered interrupts
If you ... -
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 ... -
IM2 Machine Code Sprites Example Code Using Char Based SystemFurther to my earlier post, here are sprites running using char method with IM2 driving it Note, for 48k spectrum using TASM [code] ; ***********…
... LD IX,sprites ; Point to sprite data
LD B,TOTALSPRITES ... PUSH BC
; Is sprite enabled, ignore if not
Interrupts
ORG 0FDFDH
Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …
... and I want to use interrupts to measure time, draw the ... keyboard etc. What kinds of interrupts are there?
At ... they were talking about maskable interrupts vs NMI. Are those generated ...Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... previous thread to use IM2 interrupts to do the moving of ... H,A
; MERGE SPRITE COLOR WITH EXISTING PAPER COLOR ... /> ; 0FD00 - 0FDFCH RESERVERD FOR IM2 INTERRUPTS
ORG 0FDFDH
Smooth Masked Sprites using fast page flip on 48k Part 2Ok, After all the suggestions in Part 1, which were all excellent (Thankyou), I opted on the following: I have 2 x 6k Offscreen areas (Yes, that's …
... H,A
; MERGE SPRITE COLOR WITH EXISTING PAPER COLOR ... /> ; 0FD00 - 0FDFCH RESERVERD FOR IM2 INTERRUPTS
ORG 0FDFDH
Sprites flickeringI am trying to write a Spectrum game in machine code. I am still a beginner in programming, however I did much progress recently, i believe. Now I am…
... I did it, however my sprite
flickers terribly while ... to do with screen refeshing, interrupts and HALT command, but ... background
2. Draw sprite into background
3. Delay ... stored background into sprite
5. Change sprite coordinates
6 ...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]
DerekBest 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 ...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 ...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 ...How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
... a little confused regarding the interrupts on the Spectrum. If I ... />
I suspect that the interrupts does for example keyboard scanning ...InterruptsI need help emulating interrupts. My z80 core currently emulates all un-prefixed opcodes and the CB opcodes. I thought I would start on emulating co…
I need help emulating interrupts.
My z80 core ... to start - my understanding of interrupts is not great (having never ...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 ...Need help with interrupts againI'm fighting to understand how interrupts code handling works I'm trying to set my simple own interrupt routine, as I don't want to be dependent on …
... 'm fighting to understand how interrupts code handling works
;each interrupt automatically disables interrupts, so they must be enabled ...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 ...
