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Sprites masterclassHi All, You guys are probably tired of explaining sprites but I'd like to clarify a few things if possible. I've sorted the vertical aspect of scro…
... you:
Draw your sprite 3 squares wide, with the ... the definition of a preshifted sprite? (struggling to understand the literature ... the screen, so when a sprite encounters the empty space of ... -
Is this actually a Speccy game?Hey, at least I've hung around for 9 years before I did one of these! :D I have a vision of a game wherein shooting an enemy casues their sprite to …
... shooting an enemy casues their sprite to enlargen and fall off ... -
What memory pages are being used in a +3DOS disk operation?To make a long story short: what pages are in use by +3DOS while doing read operations from the disk drive? Now, for the details, for those interest…
... then, from machine code and interrupts disabled, I copied the just ... -
Big un-attr'd spritesHi all, I'm trying to find or come up with a generic sprite routine that can handle large (128x64) sprites. I've looked at DrwSprNC in the Sabrewulf…
... come up with a generic sprite routine that can handle large ... expecting to have one large sprite on screen at a time ... -
Utility or routine to save/display imagesLet's assume I have an image or sprite at coordinates x,y with w witdh and h height. If I were to store this image, which storage method would allow …
... I have an image or sprite at coordinates x,y with ... -
SpecBAS 0.629 available nowJust a quick bugfix update - nothing stunningly new. [url]https://sites.google.com/site/pauldunn/SpecOS.zip[/url] Here's what's new: [quote] What…
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STEP and FRAMES to SPRITE MOVE command - STEP now moves ... ROTATE and SCALE in a SPRITE command now use the FRAMES ... backwards
Movement of a sprite over a fixed framecount tended ... to accelerate the sprite towards the end of ... -
SpecBAS 0.630 now available.A small fix to the animation system for the sprite engine in SpecBAS results in a new release. [url]https://sites.google.com/site/pauldunn/SpecOS.zi…
A small fix to the animation system for the sprite engine in SpecBAS results in a new release.
[url]https://sites.google.com/site/pauldunn/SpecOS.zip[/url]
D. -
Push/Pop data copyingWe all know that stack pointer cheese and push/pop is faster to move data than LDIR - which in turn is slower than unrolled LDI's anyway. I rewrote …
... , but copying a four character sprite to the screen takes three ... -
Time difference for jumps and calls?Just interested (and possibly trying to distract myself from the more pressing problems in my sprite routine) and willing to risk a potentially daft …
... more pressing problems in my sprite routine) and willing to risk ... -
Three Weeks in Paradise V3.0 releasedTeam SpecNG has released V3.0 of our remake. It can be downloaded from the official site: [url]www.specng.org[/url] New in version 3.0 ============…
Pixel Color IncorrectHello i am new to the ZX Spectrum and z80 assembly language. I am coding my first game and am having a small problem. I am trying to make the botom r…
... 33000
di ; disable interrupts
ld hl, 22544 ...Pyskool 0.6[url="http://pyskool.ca/?p=535"]Pyskool 0.6 has been released[/url]. [list] [*]Pyskool can be installed as a Python package using [i]setup.py instal…
... /> [*]Fixed the bug that causes sprite graphics to lose their transparency ...Thanos (improved BUGFIX)This is an improved BUGFIX for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0005221"]Thanos[/URL], please replace the "known errors" d…
... edge without taking into consideration sprite changes due to the player ...Ninja (improved BUGFIX)This is an improved BUGFIX for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0003433"]Ninja[/URL], please replace the "known errors" de…
... areas are overwritten due to interrupts activated at the wrong time ...Copyright questionIf I was to recreate the Miner Willy sprite for use in my own game would that infringe on copyright?
If I was to recreate the Miner Willy sprite for use in my own game would that infringe on copyright?Frankenstein JnrThe game Frankenstein Jnr is classified in WoS as a synonymous for [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0000700"]Bride of Frankenst…
... identical, with just the main sprite changed!"[/I]
Since ...Collision detection in Arcade Game DesignerI've been playing with Arcade Game Designer recently but I can't get the collision detection work between two sprites of the same type even though I'…
... = A // Checks whether the sprite with which the current
sprite as the current
sprite. This needs ... to be checked because a sprite
seems to always ... br /> right side of the sprite it collided with.
ENDIF ...Newbie's development thoughts.Just wanted to thank WOS development forum regulars, for the amazing information etc contained within these pages. 20+ years ago a did a little asse…
... as Derek M.Smith's sprite handling routine was greatly helpful ... ... Jaime Tejedor Gomez's ball sprite was/is my placeholder before ...z88dk hates me =(Hello there my fellow WoS'ers Under the power of darkness I was about to settle in and play with some SP1 sprite handling (as printf is simply NOT f…
... and play with some SP1 sprite handling (as printf is simply ...Pixel Pimp, graphics utilityHi All, [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/pixelpimp.gif[/IMG][IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes…
... .photobucket.com/albums/n608/daveyboyhughes/sprite.gif[/IMG]
I ... writing a 16x16 block and sprite utility for the speccy. I ... take 4 frames of a sprite going left > right, preshift ...The zxodus engineI've been playing around with this for a couple of days now. Its one of the best things I've seen for sinclair basic, and I've seen nothing about it …
... a tile mapper running in interrupts, that allows control from basic ...ZX80 and 81 hardware questionsI'm finding a lot of the documentation that is ostensibly about the hardware of the ZX80 and 81 to be primarily about the software. I was hoping some…
... still trigger, with ignoring maskable interrupts being left to software? Or ...Multi-screen mazes?Well, it's been decades since I last mucked about with speccy BASIC, so over the last couple of weeks I've been starting out as a newbie learning a b…
... :
(1) allow the sprite to enter & exit maze ...Getting the contents of tablesHi All, I'm risking a potentially daft question here as it seems pretty fundamental but here goes: What's the best way of pointing register pairs a…
... (and do so in my sprite routines) but it's not ...SP1 library questionsI'm working on my first game. I've not written a game since the late 1980s and that was a text based multiuser dungeon for BBC Micros with econet... …
... about the Z88DK's SP1 sprite library. The only documentation I ... need to rotate, the player sprite. (There may be more later ... answer to have 16 different sprite graphics, and when the player ... the displacement from where the sprite is and the new position ...SP1 and memoryWhile developing my program, I've run into memory related issues and haven't (yet) run into any advice over how SP1 uses memory. The examples all sb…
... sbrk()? (How much will a sprite generally use?)Is it possible to access the +3 disk drive via m/c in USR0 mode?Is it possible to access the disk drive of the +3 via m/c +3DOS calls when running in USR0 mode? I ask because I'm having an awful lot of trouble ge…
... PRINT USR 48796)
ei ; interrupts should be enabled before any ... /> out (c),a
ei ; interrupts should be enabled before any ...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..…
... manged to make a 2x2 sprite move round the screen using ...
