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Sprites...What is fastest way for drawing masked sprites at any screen position without using preshifted data ? I want to use it for isometric view game... li…
... 1 sprite data byte.
2. screen byte=right part of shifted ... " with each of the 8 bytes making up the char ... right following that right shift (ie the byte in the screen byte to the right ... character being drawn in an 8-byte buffer at address SP1V_PIXELBUFFER. ... -
shifting spriteshi. have anyone experience with shifting sprites by table ? some neat tricks ? i don't want to see complete code (really don't want, it trashes thr…
... rather than scroll, right?)
I use a 96 byte dirtybuffer, 1 ... -
My first platformerHi all! How do you do? Been lurking here for a while, but never had the courage to join the forum. :) The Speccy was my first computer, so I've alw…
... horizontal character coordinate (ie no right shift). In the diagram ... is a multiple of 8) then the right blank column is never ... graphics : 8 bytes of UDG if non-mask or 16 byte of ... get the diagram on the right.
[code]
******** --------< ... -
Hi Res Print Routine neededHas anyone seen code for a print routine with pixel accuracy? That is print(y,x,CHAR) that allows 0 < y < 192 and 0 < x < 255 - that takes a charact…
... only 9 bytes in size :- 8 bytes for one character's ... of screen data and one byte for an attribute.
8-byte character buffer at SP1V_PIXELBUFFER. Then ... can place some on the right side for a scoreboard, some ... -
emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…
... to only send a 2 BYTE value that is rounded down ... to fill the BASIC system 8 BYTE header with the file length ... I want to play it right now!
Um... well ... -
RFC: 64 column font codeIn BASIC, type CLEAR 49999 then import the code at 50000. Then type RANDOMIZE USR 50000. This will create a new channel and attach stream #4 to it. A…
... address
ld b, 8 ; 8 bytes to write
jr ... loop 8 times
ret
; right nibble on right hand ... (hl) ; read byte at destination
rrca ; shift right
rrca ; ... ; loop 8 times
ret
; right nibble on ... -
GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... ; loop 8 times
ret
; right nibble on right hand side ... , (hl) ; read byte at destination
rrca ; shift right
rrca ; four ... data
djnz r_on_l ; loop 8 times
ret
Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …
What are you trying to scroll? The screen or sprite graphics ... lookup to find the graphic byte rotated right given the number of ... =3 -- into the next byte to the right). The 'current table' takes ... of shifting G right x pixels in the current byte with 0s ...Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …
... the screen at the right it will reappear on ... one pixel to the further right each time in a ... one pixel further to the right than the one before< ... one pixel further to the right than the one before ... in the Spectrum are...little 8 byte blocks of characters just ...stuck on recursive functionI want this function to PEEK 'l' bytes from memory starting at 's' and return them as a string, but however much I fiddle about with quoting and pare…
... not until I get it right. The function has to ... PEEK (s) returns the addressed byte from memory;
* ("FN ... nothing until the last byte is reached and will ... function call FN j$( 56168,8 ) the first iteration gives ... I'm only using 8-byte lengths at a time ...Exilei\'m sure this has been brought up before but couldn't find a thread in 'New Game Ideas'. Why did the Spectrum never get a port of the BBC game Exile…
... has good and very detailed 8-way scroll,... the feeling of wandering ... /> E - Start
Derecha - Right
Izqui. - Left
Disparo ...Scrolling by 2 pixelsWhat is the fastest way of scrolling a Spectrum screen line by 2 pixels left or right? When thinking about it I've come to this simple solution: [C…
... 16384 ; 20 3
2 * 8 * 32 * rr (hl) ;7680 256 ... from rotating 4*8 byte chunks to 3*10 byte chunks (plus 2 ... sp,16384
ld c,8
xor a
... from the display & rotate right 2 pixels
pop hl ...ZX Alien BreedNot sure if this has been mentioned already (I did trawl the threads but couldn't see anything :smile: ), but I've always hankered after a Speccy Ali…
... ,(de) ;load A with sprite byte
ld (hl),a ;plonk ... ;Sprite facing 1 to 8 starting facing right
sprfrloc:
40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... br /> ;; extern void con_putcharxy(byte x, byte y, byte ascii);
;; ------------------------------------------------------
8 (byte offset)
srl ... bottom 3 bits (shift right)
;; at this ...I don't think I'm getting the $22AA Pixel-Add rom routineDear all, I'm misunderstanding how the PIXEL-ADD rom routine works. My code... [code]ld b,175 ld c,1 call $22AA ld (hl),a ret[/code] So…
... right as you would expect, however the bits in each byte ... are displayed right-to-left, i ... ve moved to the next byte. For the most part ... does is finding out the byte (screen address) to ... a byte run right-to-left) and rotate it right "X % 8" ...ive found an attr scrolling routine but i want to remove the smaller scroller within it, etc.https://pastebin.com/K4nG3xbX also i would like to be able to change the colours and not have a shadow. http://www.worldofspectrum.org/pub/sin…
... , just doing a plain 8-row scroll of the supplied message expanded ... /> ADD HL, HL ; HL = CHR$ * 8;
LD DE, (L_FB6F) ; DE ... A, $3E ; A =attribute byte for attribute scroll (1)
LD (HL ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... e, (hl) ; e = low byte of screen address
inc ... ; hl points to high byte of screen address
... d, (hl) ; d = high byte of screen address
ex ... ret
EDIT: Right so I am calling that ... the address of the 8 byte bitmap I am about ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... e, (hl) ; e = low byte of screen address
inc ... ; hl points to high byte of screen address
... d, (hl) ; d = high byte of screen address
ex ... ret
EDIT: Right so I am calling that ... the address of the 8 byte bitmap I am about ...clarification needed of assembler graphics routineI was wondering if someone used to coding animated graphics in assembler can take a look at [url=http://www.users.globalnet.co.uk/~jg27paw4/pourri/as…
... the effect on the displayed byte will be. I've added ... would be to the displayed byte. (The "(right)" & "(left)" in the ...Thunderjaws - little secret discoveredThere is game called Thunderjaws, or maybe better to say a demo as full game was never released: [url]http://www.worldofspectrum.org/infoseekid.cgi?…
... early design, done for 8 pixel scroll while the actual game has ... 4 pixel scroll.
Unfortunately that's ...DisarrayFor the sake of having some clarity [COLOR="Silver"]for once[/COLOR] I have the project data in several source files according to their types. E.g. t…
... the middle of it, another 8 byte one in the beginning and ...RAD for SpeccyJust wanted to share a fine technique of rapid app development for ZX Spectrum in C. Programming without debugger is a pain. It comes down to needing…
... y, byte* bmp, byte w, byte h, rect ... byte mask.
byte right_mask = (byte)( 0xff >> (x2 % 8) );
byte left_mask=(byte ... )~(0xff >> shifts);
// Draw first byte ...Question on 8-bit, 16-bit, 32-bit...Hello, Sorry, this is probably a really dumb question(and something I should know by now :)). I tried doing some searches about this but came up only…
Your question has no answer without context and your register name assumtions assume a register system based on 8 byte registers being combined - which is not the case for many processors.BMP2SCR ProHey LCD, yesterday i played with your new prog and i have to say that it's simply *amazing*! I have only checked the conversion part out, but i spend…
... , but with different byte orders.
These byte orders are:
Columns ... cells one after other, with 8 byte each, same order as attributes ...Who want to remake Double Dragon?Seeing as the Speccy version was crap (see my review: [url="http://www.gamestyle.net/retro.php?article=31"]http://www.gamestyle.net/retro.php?article…
... I can easily make a 8-pyxel horizontal scrolling. It wont ... .
also if you scroll, and background consist of paper ... with pixels and when a 8 pixel scroll has completed paper will ...Phantomas 1 - The MapIs there anybody here who finished off this game? I would like to know, if my map is completed. I think that they probably exist some rooms at the bo…
... rows would be 1-8 and columns(right to left)would be ...some new games ?is anybody working on a game for speccy?
... , chaosmongers wrote:
8 ) Sadako is right! :) There are so many ...
