... only definition of the same sprite in the same file) but ... it looks the the mask option for sprite attributes is writing two ... copies of the mask rather than ... some weird stuff with the sprite graphics (eg drawing white pixels ...

... only definition of the same sprite in the same file) but ... it looks the the mask option for sprite attributes is writing two ... copies of the mask rather than ... some weird stuff with the sprite graphics (eg drawing white pixels ...

... an independent attr_mask for each sprite character -- well it speeds ... apply the same mask value to all sprite characters when outputting ... INK-only, PAPER-only sprite colours without any trouble ( ... to algorithmically colour the sprite char squares in these ...

... ' or 'even'
8F0B AB XOR E ; MASH A WITH BOLLOCKS ... change the border colour or sprite position or end game or ...

... does not have a mask, then each sprite frame graphic will require ... following.

When the sprite is created using "sp1_CreateSpr()" and ... as current animation frame, sprite size and sprite direction. This way the ...

... it behaves like the UDG/Sprite creator. Clicking once paints a ... that actually. There's an XOR mode for the select tools ...

... /> ld a,(hl) ; x
xor b ; reset bits
[/code ... value be set from the mask? The zero flag should be ...

... ; get colour
and 71 ; mask
ld (hl), a ; poke ... ) ; get screen poke byte
xor 255 ; inverse
ld (drawline ...

... C64 by using it's sprite capabilities to lessen the CPU ... clever code to sort and mask them appropriately. Games where they ...

... that drives the beeper.
XOR A ; Zero accumulator.
IN ... ; Complement result.
AND 31 ; Mask keyboard bits.
JP NZ ... (work2),A ; Decrease volume.
XOR A
LD (work7),A ...

... AND mask or store it? (I store it).

Sprite tiles ... to 11,360 bytes.
Sprite "map": 4,960 bytes.

... Does it calculate the AND mask or store it?[/QUOTE]
mask?)

Back to Skool ... sprite tiles (362 regular tiles + 362 mask tiles)
1536 bytes for sprite ... " (128 sprites, 12 tiles per sprite)
8192 bytes for skool ...

... /> Thanks to roko for the XOR plotting idea.

Again ... /> LD A,E ; save the sprite rotation before it gets overwritten ... screen byte

XOR (HL) ; XOR with current star byte

... /> LD A,E ; save the sprite rotation before it gets overwritten ... screen byte

XOR (HL) ; XOR with current star byte

... intentional (Imagine a spacecraft sprite in the middle of the ... /> JR NZ,KEYTEST5
XOR A
LD (DIRECTION),A ... /> LD A,E ; save the sprite rotation before it gets overwritten ... byte

XOR (HL) ; XOR with current star byte

... byte sections of the old sprite image and replace it with ... my previous one, I happily XOR the sprites onto the screen ... , and XOR them back off again - one entire sprite at the ...

... draw the graphics (WRITE, XOR, with/without MASK etc)

[QUOTE ...

... does DE point to - the sprite to be rendered? In which ... ]

You interlace mask and sprite bytes in your graphic, and ... DE you load both values (mask & graphic) in just one ...

[QUOTE=Metalbrain;328496]You interlace mask and sprite bytes in your graphic, and ... DE you load both values (mask & graphic) in just one ... 't have much idea on sprite masking and so was puzzled ...

... the display, though I may mask the player depending on speed ... not then, maybe alter the sprite to fill those two spaces ...

... , there is a way to mask off specific data in a ... supports | for OR and ^ for XOR, or you can use the ... words AND / OR / XOR.

The conditions you ...

... INTs will happen
XOR A ;reset 'FRAMES' to ... takes it to run the MASK-INT routine.
-------------------------------------------------------------------
XOR A
LD (23672 ... proving that indeed 10000 MASK-INT's had been ...

... (We shall assume that the mask as well as the sprites ... consider this maximum sized sprite the default sprite, or would it be ... about reusing body parts for sprite recycling (and thus not ... above are made, then perhaps sprite work could begin immediately, for ...

... has, and if it uses mask, set it to use it ... " in Data Outputted option and "Sprite" in Interleave. "As 9th byte ...

... data for each on screen sprite, i.e. you can't ... the anim frames for the sprite or you'll get out ... table instead of shifts, and mask the right and left edges ... /left mask as you draw right and left sections of the sprite ...

... (that you have to mask off) will be 256* ... having 8 copies of your sprite routine, each one doing ... time to draw the sprite. This is similar to ... half the rows of your sprite already mirrored, to balance ... written a pixel-positioning sprite routine for the Speccy ...

... feature).

The only sprite related request I would ask ... /> Okay, I've programmed these sprite types:

horizontal patrols ... involve giving each block a mask, and taking up another 6144 ... bytes for a dummy mask screen. You'd be looking ...

... and something other than box sprite collision detection. Otherwise horizontally the ... will get lost as it XOR's over it ([I]I ...

... and something other than box sprite collision detection. Otherwise horizontally ... will get lost as it XOR's over it ([I] ... There are two types of sprite collision detection available in SEUD ... background is deadly) the sprite collision detection is pixel perfect ...

... s = sp1_CreateSpr(..,..,1,..,..); // sprite is 1x1
sp1_AddColSpr(s ... ,SP1_DRAW_MASK2RB,..,0,..); // sprite is now 1x2
... ' parameter in a sprite's struct_sp1_ss actually determines ... sprite graphic down one pixel? Easy... subtract 1 (or 2 if mask ...