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Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …
... 128 blocks, each bank is pre-shifted 2 pixels further than the ... -
Donkey Kong - TransparencyHi, I might not recall it perfectly but as I was playing the Donkey Kong for ZX-spectrum 48k - I somehow noticed that the Monkey jumps with something…
It's just a basic transparent sprite routine with no separate mask. So, in effect, every '1' is a pixel and every '0' transparent. Nothing particularly special about it. -
Flip Screen vs ScrollingWhich do you prefer? I've always liked flip screen games but I had a C64(spit) owning friend who hated them with a passion.
[QUOTE=joefish;516056]The parallax background is a simple pattern that's pre-shifted and pre-merged with the foreground blocks.[/QUOTE]
Can you explain those terms please: [B]pre-stored[/B] + [B]pre-shifted[/B] + [B]pre-merged[/B]? -
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…
Can't you take an existing 16x16 sprite routine and just extend the number of X and Y writes? You'll only be repeating code you've already got. -
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 (128x64 ... making a transition from one sprite to the next your drawing ... these differences instead of entire sprite.
4) With a ... because the rest of the sprite will not change from previous ... -
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…
... /> That's not one big sprite, it's 32 16x16 sprites ... don't need any specialist sprite routine, any bog-standard 16x16 code ... -
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 …
It does have to use pre-shifted graphics.
It could ... -
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... each frame and the particular pre-shifted block sets picked out and ... up 10K for all the pre-shifting) and it can only ... , it's just what's pre-stored alongside the 'ground' block ... merged in with all the pre-shifting that's going on ... -
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... it runs, just how the pre-shifted data is prepared and how ... -
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... it runs, just how the pre-shifted data is prepared and how ... -
Flynn's Adventure in Bombland v1I am pleased to announce the initial release of Flynn's Adventure in Bombland. You can grab it here [url=http://tomdalby.com/retro/zxspectrum/FAIBL_v…
... I actually wrote the mechanics (sprite routine, scripting etc..) for a much ... -
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... is, if the tiles are pre-shifted for scrolling, how can you ... -
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... 't have to clip the sprite routine for the screen edges. -
Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …
... mentioned it before but it sprite routine now handles something i call ... combine different part of sprite graphics and sprite mask effectively doing head ... -
Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …
... hear more about your composite sprite routine, as could be real useful ... finish off that customized packing routine you had been working on ... -
New game: WUNDERCHAR$Hi All, Finally finished my latest game: Wunderchar$. [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/loadingscr.gif[/IMG][IMG]http://…
... to get write a working sprite routine.
In addition to ... -
New game: WUNDERCHAR$Hi All, Finally finished my latest game: Wunderchar$. [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/loadingscr.gif[/IMG][IMG]http://…
... see CP 0 in flashloop routine. usual more sexy way to ... for bugs.
G) your sprite routine has quite point but i ... -
New game: WUNDERCHAR$Hi All, Finally finished my latest game: Wunderchar$. [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/loadingscr.gif[/IMG][IMG]http://…
... when I wrote the routine blowing up the 8x8 ... CP 0 in flashloop routine. usual more sexy way ... bugs.
G) your sprite routine has quite point but i ... wrote my own 'Input' routine, definately don't trust the ...
RE: the sp routine to draw sprites, I could ... -
New WIP underway - 'Dingo'.Hi, Prepare for a long post. Perhaps I can even challenge ewgf here. :razz: Anyway, I've been meaning to get into Z80 programming and making a game…
... like a slightly more fancy sprite routine, but I'll do that ... -
New WIP underway - 'Dingo'.Hi, Prepare for a long post. Perhaps I can even challenge ewgf here. :razz: Anyway, I've been meaning to get into Z80 programming and making a game…
... done - especially to that pesky sprite routine, so it'll be a ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... writing a simple and small sprite routine. sp1 does a lot of ... -
Wolfenstein / Doom for 48k SpectrumHi, is there any game / demo of this kind that runs on 48k machines? Thanks.
... sprites. When you draw a sprite, you take the single ... draw that column of the sprite.
Either way, ... pixel row of sprite mask, not the whole sprite.
... 1' stippled lines. Then the sprite routine would scale vertically, but always ... -
New WIP underway - 'Dingo'.Hi, Prepare for a long post. Perhaps I can even challenge ewgf here. :razz: Anyway, I've been meaning to get into Z80 programming and making a game…
... check to see if the sprite is on a 32-pixel ... right screen locations in your sprite routine.
Given that there ... -
New WIP underway - 'Dingo'.Hi, Prepare for a long post. Perhaps I can even challenge ewgf here. :razz: Anyway, I've been meaning to get into Z80 programming and making a game…
... check to see if the sprite is on a 32-pixel ... right screen locations in your sprite routine.
Given that there ... -
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…
... few Speccy games. Whether the sprite colours clash or not is ... not, someone using an XOR sprite routine deliberately [I]won't[/I ... -
BUZZSAW+ Demo No. 3Right, another demo of BUZZSAW+. [URL="http://www.joefish.co.uk/speccy/Joefish_Buzzsaw_Demo_3.tap"]Joefish_Buzzsaw_Demo_3.tap[/URL] The default con…
... attribute data space. If a sprite was drawn near the top ... was working on making the sprite routine run as fast as possible ... -
New WIP underway - 'Dingo'.Hi, Prepare for a long post. Perhaps I can even challenge ewgf here. :razz: Anyway, I've been meaning to get into Z80 programming and making a game…
... finish work on the third sprite routine in there (of 4) before ... -
Artist RequiredAs some of you may be aware, at the homebrew coding weekend back in July I volunteered to write a Spectrum game to be shown at this year's Replay exh…
... play area.
The sprite routine is in, and some of ...
