... need to draw a small sprite (16 bytes) on to ... the screen (based on the sprite x,y). I would ... then draw the sprite to the screen using the ... next screen update I would erase the old image with ... screen address then draw the sprite again. Does this seem a ...

... screens tile map with a masked character sprite that you can control ... trying to understand more about sprite animation over backgrounds and tilemaps ...

... is to XOR the sprite over the background and then XOR it again ... wants masked graphics.

However, actually spending time to erase sprites ... background, xor #1, xor #2, xor #3.
To erase: xor #3, xor #2, xor #1.

... is to XOR the sprite over the background and then XOR it again ... wants masked graphics.

However, actually spending time to erase sprites ... background, xor #1, xor #2, xor #3.
To erase: xor #3, xor #2, xor #1.

...
[code]

;masked sprite

;seems to be ... )
or (hl) ;not XOR but OR
ld (hl ... ;reutrn from sub
xor a
ld (DC5), ... ld c, a
xor a
ld (DC6), ...

... ]
#define SP1_ID_MASK2 1 // masked sprite 2-byte definition (mask,graph ... are five basic sprite types: MASK, OR, XOR, LOAD and ... Additonally MASK, OR, XOR and LOAD can use ... , "SP1_ID_XOR1_NR" is an xor sprite without mask that will not ...

... make them.

XOR draw functions take the same ... make the single moving sprite an occluding sprite and see the ... create sprite loop:

[code]
// Create Ten Masked Software ... create loop, we create a masked sprite as usual then the " ...

If you are writing a masked sprite routine, I'd suggest not ... would be doing a xor/or mode sprite routine instead, without masks ... the preshifted versions of the sprite.

... also written my own simple xor, not masked sprite routine and I only ...

... also written my own simple xor, not masked sprite routine and I only ...

... use for masked sprites.

mask sprite mask sprite
sprite mask sprite mask ... br /> inc l
xor (hl) ;sprite
ld (de),a< ... br /> inc l
xor (hl) ;sprite
ld (de),a< ... br /> dec l
xor (hl) ;sprite
ld (de),a< ...

... .

[b]1. Masked sprite draw routine from SP1[/b ... ix points to the sprite graphics of the char to ... ; h = shift table
; de = sprite def (mask,graph) pairs
; ix = left sprite def

_SP1Mask2Rotate:

... that. :) It is the fastest "masked sprite to screen" code I've ... then put E as your sprite pattern and HL pointing to ... /> cpl a= 00110000 (4)
xor (hl)10011010 (7)
and ... e 00010000 (4)
xor (hl)10111010 (7)
ld ...

... empty spaces within the sprite.
So for example ... , if your sprite data is:
00010100 ... varied, you can XOR the sprite rather than OR it ... pixels to the sprite that aren't masked off then ... all round in its sprite rectangle. Although in a ...

... x coord of exit
xor a
ld (level_exit_y), a ... the exit, could use a masked sprite for the player I suppose ...

... x coord of exit
xor a
ld (level_exit_y), a ... the exit, could use a masked sprite for the player I suppose ...

... ADSR envelope control
Sprite cloning - creates clones of ... br /> Fixed a crash using SPRITE ERASE
Fixed(?) a floating point ... error in sprite movement, with values too ... priority
Fixed sprite flickering that resulted from ...

... was to do a 16x16 masked sprite. There's no clearing here ... /> With that routine, drawing a sprite takes 546 + 768 = 1314 ... bytes, with each additional sprite taking the 768 bytes more ... different shifted positions of the sprite will take different times to ...

... is to XOR the sprite over the background and then XOR it again ...

... table, and simply store each sprite preshifted in its eight positions ... sprites. For a small (16x16) masked sprite, it would take 768 bytes ... the data for that particular sprite. You could use a ... the sprites. Then call your sprite drawing routine.

...

... /> Timing for 32 x 32 masked sprite: 16084 tstates.

sprite in memory (sprite is stored in such ... br />

* Draw sprite in unshifted position. Called when ... HALT
CALL DRAWSPR ;Call sprite drawing routine

...

... :
"Here is the finished sprite routine. As it stands it ... /> Timing for 32 x 32 masked sprite: 16084 tstates.

No ...

[quote]
On 2004-08-25 12:40, cispasoiu wrote:
quote:
Timing for 32 x 32 masked sprite: 16084 tstates.
[/quote]

Which is why real programmers don't use generic sprite routines! :)

...
; window frame sprite 2x2 chars
; extra ... kind = sp_MASK_SPRITE; /* create a masked sprite */
for (i=0; ... br /> /* sp_ClipStruct clips sprite to full screen */

... /> You should try editting a masked sprite in TG.
1. ... Create a new sprite, make sure you click the masked option.
masked colour options to pay with.
3. Draw a simple sprite ... create other sprites from different sprite frames.

Just ...

... /> a) People don't use masked sprites very often
b ... only use a single frames masked sprite or worst
c) People ...

... (wider than 16 pixels) sprite (preferably starting from SevenuP) ... used sp1_SprId2Type() to convert from sprite ID to integer index). ... an example creating a masked sprite 3 characters tall and ... $ff, 0

; sprite definition

._col0

... every time I change a masked sprite I have to reverse the ... this with) I use the sprite-editor exclusively for my games ...

... every time I change a masked sprite I have to reverse the ... this with) I use the sprite-editor exclusively for my games ...

... every time I change a masked sprite I have to reverse the ...