... /> =* 2000

Sprite
!byte $00, $0f, $ff ; 000000000000000000000000 ...
!byte $00, $00, $00 ; 000000000000000000000000
!byte $00, $ ...
sta SPRITEPOINTER ; set sprite pointer for sprite 0

...

... I have a byte of my ?player? sprite in DE and a ... byte of screen to test ... ][FONT=Calibri]check z flag for collision[/FONT][/SIZE]
[FONT ...

... snow test with a tuning table.

The snow ... byte and its attribute. The first RAS pulse is for the data byte ... , the second for the attribute, ... />


Recommendation for game writers — to avoid the ...

... (0-255), hence the table of 257!!! values. If ... need also to EI again for the next intrupt.
... is how to make a table:

. LD ... I,A ; point to high byte of table.
. IM 2 ...

... supposed you could create a table of values relating to multiple ... say you would have a 256 byte table and do something like:
LD H,table ; point to a 256 boundary table
LD A ... ,(HL) ; get shifted value from table ...

... if adress pointer is crossing 256 byte page and you must use ... good assembler do that work for me:)

... /> I do love 256 colors makeover though for some reason:
< ... such, there is always room for improvement. Even some gameboy ... net with enhanched or changed sprite and graphics ( can't ... to recreate the movements and sprite collision and enemies behiveur ...

... /> I do love 256 colors makeover though for some reason:
< ... such, there is always room for improvement. Even some gameboy ... net with enhanched or changed sprite and graphics ( can't ... to recreate the movements and sprite collision and enemies behiveur ...

... routine, look up in a table. The note will range ... need a 2*296=592 byte period table, assuming 2 bytes per ... 592-byte table using this formula, and using the amiga periods for each ... note + finetune possibility. This table is available ...

... the game coding showed in 256 mode.

Xevious had ... each alternate pixel - altering the sprite mask did nothing.

So ...

... tips or solutions
> for when a Basic listing becomes ... "Supercharge Your Spectrum", "Assembly Language for Games" and programs in PCW ... is attached) then a random 256-byte page of memory will be ...

... speed or short...

For short:

[code]
LD HL,TAB ; table for pixel
LD C,A ... it's only an 8 byte table.

... , but at 8192 consecutive instructions for our example, this would be ... and the method I implemented for More Tea, Vicar? was to ... and know exactly where the 256-byte boundaries are within each block ... it, giving more CPU time for lots of sprites, explosions and ...

... memory as graphics, with options for how it is displayed, ie ... />
Emuzwin has a sprite finder in 256 mode Tools>Graphics ... Editor>Sprite Finder. Why do ... 's own right not just for recolouring.

... :
Emuzwin has a sprite finder in 256 mode Tools>Graphics ... Editor>Sprite Finder. Why do ... 's own right not just for recolouring.
[/quote]
Accepted ... release of EmuZWin is delayed for a while. I'll return ...

... attribute mask logically ANDed with underlying attribute, default = 0xff for transparent
for sprite character to left of this ...

... single label for the start of the entire sprite frame, ... each column in the sprite. I've been ... the start of the sprite frame is "mysprite" ... 2-byte)". In the create sprite function, use "mysprite" for the ... calls use "mysprite+offset" for next column, "mysprite+ ...

... and oldde in oldspritehltab (iy table)
call xorsprite
< ... iy) ;get old de/hl for sprite
ld h,(iy+1 ... the SECOND sprite in the table (as it should - each sprite data takes ... and oldde in oldspritehltab (iy table)
call xorsprite
< ...

Move the cosx table to $B800 to leave enough room for the 720-byte sinx table and suddenly a circle appears...

Hi Baze

Thanks for the download! And while I'm at it, thanks for the 256 byte "Tube" intro prog, very impressive! :o

from Guy

... you want to sort... for small number of bytes ... sort might be OK. For many bytes I wouldn ... just reserve one N-byte long, 256-byte aligned "page", fill ... normal" value though. But for ordering of sprites it should ... array... stupid, but for this purpose it should ...

... all the ($44), Y instructions for $4400, Y instructions, saving yourself ... sorted lie in the same 256-byte page. Are you not? (Better ... . :wink:[/QUOTE]

Yeah for this one, I think it ...

... /> [code]
very clasic sprite (1x8):
.BYTE %01111110

... think that it works fine for shooter with huge amount ... i was studying speccy shooters for while. here is a list ... North Star[/b] different routines for scrolling by different speed, ...

... 6912 byte one for spectrum compatibility and the 12288 byte one for the ... by the video buffer and sprite graphics. The different screen ... or less amounts of RAM for sprite graphics and background graphics.< ... because each vertical pixel byte can contain its own ...

... to find the relevant data table. It starts at #711C ... middle of a previous 10 byte "gap".
Then I ... tall. The 16 bit table for the start address of the ... rather than poking/setting each byte individually? Could I poke ... blank - a simple 3 byte FF A0 00 at ...

... to #EECA because my level table is at #FDDC, seems ok ... a bug-fixed Cybernoid tzx for anyone that wants it, with ... 24bytes). I moved the 24 byte level table to #FC00, there is ... /> I used my slowload maker for the loader.
[url=http ...

... first column is enough only for some cases (that's what ... column has it's own table. The first part of the ... code calculates table address from X and Y ... . The second example shows table for each column, 256*number of columns = max ...

... 128k that has the 256 rooms, and it's ... room with an unnadjustable table for that (kinda makes the ... rooms, an adjustable guardian table so you can assign ... assignment of block type, for instance if you do ... t been too confusing, for actual variation specifics and ...

... want your sprite data to be aligned on a 256 byte page boundary ...