... so action games could generate sprites instantly to avoid the 135 ... have the freedom to put sprites anywhere (obviously not an advantage ... also to provide a quick erase routine like [I]Buzzsaw+[/ ... programmer would then call HALT, erase the last sprite positions, ...

... code to draw the sprites operate in the top ... />
1. Erase some of the sprites that were just drawn ... br /> 3. Disable the sprites that were just drawn ( ... the routine how many sprites to assign to each ... Now you can have moving sprites, or animated tiles, or ...

... just make it draw seven sprites regardless. My screen line table ... optional stuff, deciding what to erase and what to draw next ...

... just make it draw seven sprites regardless. My screen line table ... optional stuff, deciding what to erase and what to draw next ...

... parts of the game;
[*] Erase the bitmaps from the multicolor ... require a set of multicolored sprites for each size (thus a ... matter of putting the right sprites in the right places;
sprites would be more feasible, reserving ...

... :
[LIST]
[*] Erase 3 tiles
[*] Update coordinates ... drawing 2 of these sprites, the program will only ... br /> [LIST]
[*] Erase 1 tile + 2 sprite tiles ... ("halt");
}

// erase tiles
for (f = 0 ...

... - [I]Buzzsaw+[/I] redraws 7 sprites on any pixel row and ... can erase up to 3 of them). There are three moving sprites ... copy the idea of erasing sprites after the colour routine, by ...

... - [I]Buzzsaw+[/I] redraws 7 sprites on any pixel row and ... it can both draw and erase at least another 3 tiles ... copy the idea of erasing sprites after the colour routine, by ...

... border. That way it can erase the moving ones after the ... in to do 5 more sprites per frame (using a slightly ...

... many sprites as possible during the top border time, then erase them ... ) with all the sprites on too. So to erase a sprite, I ...

... many animation frames of large sprites is a problem. Think in ... -moving games with such large sprites ([I]Trantor[/I], [I]Savage ... Nog[/I] can use larger sprites as they don't have ... of the sprite image, and erase a clear outline from the ...

... too slow if the background sprites are being drawn every ... the image unless you manually erase it.

For ... scenery using btiles, then use sprites for the player and enemies ... corresponding sprite position, and manually erase it at its previous position ...

Im glad we can erase our own sprites, that makes it very flexible

... little problem with it. My sprites are drawing through the final ... (1)
{
// Draw or erase tiles on screen until key ...

... [/B] automatically draws 8 "btile" sprites anywhere on screen during the ... to update it (and also erase it from its previous position ... contains a method to control sprites (move or change image), ... " a bicolor position (useful to erase it). That's nothing else ...

... each sprite separately, and then erase the sprites using that.

... each sprite separately, and then erase the sprites using that.[/QUOTE]
sprites.

The solution ... routine that prints pre-shifted sprites in only 2000 cycles ... both paint/erase and a limit about 20 sprites on screen ...

... while you are painting/erasing sprites.

The solution adopted ... time we must paint the sprites. The key in this engine ... routine that prints pre-shifted sprites in only 2000 cycles each ... to both paint/erase and a limit about 20 sprites on screen ...

... 1st frame, erase objects 1 to 8, then set sprites to redraw ... them at new position;
[*]in 2st frame, erase ... objects 9 to 16, then set sprites to redraw ... 3rd frame, erase objects 1 to 8, then set sprites to redraw ...

... want.

They could erase (over-draw) a sprite during ... games with larger UDG-based sprites and tiles, with character movement ... . For example, with four sprites on screen, you could move ...

... erased, you will see flicker (sprites gone, then later reappearing). If ...
If you want to erase and then redraw, you want ... less from flicker unless the sprites move far between updates.< ... from flicker because they never erase anything. Instead they draw ...

... seven 16x16 pixel sprites each frame on interrupts, and erase up to ... vertically, making them useful as sprites. Also two tiles can be ...

... sprites with transparent PAPER, and at the end of the frame, erase ... the attributes, then drop the sprites in again.

... needed, but for the 3 sprites we have, it looks promising ... favour of making out the sprites.

Ideally we could ... it to white and / or erase the background (kind of like ...

hi I have altered the demo to enable a sprite to be moved around

[quote]
/* ----------------------------------------------------------------
* NIRVANA ENGINE DEMO - converted to z88dk C Compiler
*
* This program can ...

... don't have many sprites, is the first thing ... buffer to draw all the sprites. Then, copy a small ... the screen. And now erase the sprites by recovering those rectangles ... as you draw the sprites. It's just then ... I], that all enemy sprites only move in open space ...

... tricks to save memory with sprites. [I]Manic Miner[/I] is ... to redraw two tiles to erase the sprite, rather than the ...

... behaviour/movement/control of the sprites bud I did in incorrectly ... ![/QUOTE]

If you erase all the text in an ...

As per the issue with [URL="http://www.worldofspectrum.org/forums/showpost.php?p=813876&postcount=147"]BI*FROST and the recent daily builds of z88dk[/URL], some of the macros that access memory locations in NIRVANA will not compile correctly in z88dk.< ...

... running in memory) that draws sprites. I have another thread ... the first thread how many sprites to display.

...
Thread 1 starts drawing sprites. It reads spcount and finds ... thread 2 encounters a "SPRITE ERASE 3" command. It dutifully removes ...