... /> ; d4ff - d4ff SP1.LIB attribute buffer
; d4f7 - d4fe SP1.LIB ... pixel buffer
; d4ee - d4f6 SP1.LIB ...
; * d4f5 - d4f6 SP1.LIB sprite draw function table (indexed by ...

... a programming style that is linear and imperative (ie, first ... queue. Byte- and word-circular buffer will be added in time ... after it. Because lists are linear entities, you can only ... backward direction. Because lists are linear, the search function the list ...

... your entire screen$ a LOAD sprite, that would be 32x24 characters ... to a full-size back buffer to store background. Another is ... option of using a back buffer to supply background instead of ... . Doing things with the back buffer will require more memory but ...

... not only get a fast sprite sorting and drawing happening, but ... etc, even use a offscreen buffer?

... you to alternate what screen buffer you were updating and just ... . I have written a software sprite library that will generate flicker ...

... middle of updating a software sprite on the screen when a ... can see part of the sprite but not all of it ... your display in a second buffer and copy it over? What ...

... -zag thing). I think arranging sprite data by column order has ... advantages over the more common "linear" fashion.

It's ...

... /> [code]
very clasic sprite (1x8):
.BYTE %01111110 ... drawing a sprite at new position overwrites sprite at previous position ... moved by LDI, clearing buffer by PUSH, no background, ... scrolling by different speed, back buffer, masked sprites
...

... was updating the (offscreen) screen buffer as it was "2 frames ... /> [ROM] [ON-SCREEN-BUFFER] [CODE] [OFF-SCREEN-BUFFER]

Obviously, your ... get away wish doing your sprite erase/redraws straight after a ...

... a fixed size video buffer then increasing pixel resolution ... shared by the video buffer and sprite graphics. The different screen ... separately from the display buffer whereas software sprites have ... written into the video buffer where colour interactions can ...

... byte specified within the sprite definition allowed the older ... sprite character (8x8 pixels) into a fixed 8-byte pixel buffer ... specialized draw code for sprite characters for specialized situations.< ... graphics from the double buffer rather than from udg ...

... only have 1 8k sprite in that buffer at a time. So ... :

1. Copy the sprite into that area if it ... to keep in that 8k buffer the backdrop tiles, and then ...

... has set up, doing the sprite put, then put everything back ... the sprites to a spare buffer, then using the ROM to ...

... 's better to draw to linear fame buffer first and only then ... actually horizontally flips your frame buffer? :)

... in back buffer into active memory
- - Compute new sprite positions, ... top of the back buffer
- - page in sprite data block ( ... if not already there )
- - [sprite loop] Write the 2k (max ... ) blit instruction list to the sprite page
- - Put ...

... game using the kind of sprite updates you describe in Starquake ... am using the attribute control buffer similar to Manic Miner (only ...

... , but not much help for sprite drawing at any vertical offset ... the SAM Coup? is 6K linear as you describe, with the ...

... , but not much help for sprite drawing at any vertical offset ... primary register available for my sprite routines to make them as ... broken into character cells, the sprite draw code draws only character ... the SAM Coup? is 6K linear as you describe, with the ...

... register available for my sprite routines to make them ... into character cells, the sprite draw code draws only ... non-aligned drawing, and linear layout isn't as ... still rather work with linear overall as copying and ... assumed it was also linear. Is there the same ...

... or a 256-byte sound buffer, and stopping periodically to dump ... something from that buffer to the AY) and there ... PC sound editor, they expect linear DA output.[/quote]
Yep ...

... specs have that second display buffer available so that you ... algorithm only updates the back buffer where sprites are moving.< ... are copied from a "back buffer". However tearing becomes much ... you need multiple copies of sprite graphics shifted by variable ...

... tear), and other things (like sprite movement and keyboard reading) can ... in mind uses memset() for buffer init, memop() for pixel scroll ... at a time into the buffer and probably memcpy() because I ...

... now have an 8-byte buffer specified by memory address ... {
struct sp1_ss *s; // sprite handle returned by sp1_CreateSpr()
;Interleave: Sprite
;Mask: Yes, before graphic ...

... screen instead of ussing a buffer?
I am also interested ... rid of the 240+ byte buffer. I would like to fit ... to use when drawing the sprite. If you'd like to ...

... handle all display and sprite responsibilities. Using SP1 ... because SP1's sprite definitions are also ... // OR plot border into buffer
memopi(buff, gfx_exploitMask ... // AND production mask into buffer
memopi(buff + 65 ...

... internally breaks up a sprite into its characters and ... screen
sp1_DeleteSpr(p->sprite);
}
[/code]
... br />
With the sprite off screen "sp1_DeleteSpr()" is called ... pointer to start of text buffer
}
[/code]
...

... ) and store them in a buffer for later save, as PUT ... , Screen (with optiona compression) r Sprite (with optional mask). All you ...

... data into the actual screen buffer in any order you wish ... (c) gives you the whole ( linear not other pages on a ...

... moving objects, directly clipping corresponding sprite [b]images[/b] if they ... you need at least one sprite per each distinct object, even ... there is less calculation, but buffer size to be cleared/moved ...

... /> ; set PTR1 to start of SPRITE data
LDA #SPRITES%256 ... />
GAMEOVER
; clear keyboard buffer
LDA #0
STA ...