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Return of Speccy screen buffer formatI recently discovered that the Spectrum screen buffer format that allows only two colours in an 8x8 pixel block has made its return in a slightly dif…
... recently discovered that the Spectrum screen buffer format that allows only two ... -
Question on copying screen bufferHi, Al my prevoius games were copying graphics directly to screen memory starting at 16384. Now I'm experimenting with screen buffer where I could d…
... . Now I'm experimenting with screen buffer where I could draw my ... I would copy it to screen memory.
You may ... just copying static image from buffer to screen after HALT.
Screen buffer Tip from Raff CeccoRaff very kindly gave me this tip: "Incidentally, I remembered a trick I used on the Z80 for extra speed: When clearing the screen buffer, it was a…
... :
When clearing the screen buffer, it was actually much quicker ... to the end of the screen memory area and push zero ... onto the stack until the screen area was filled.
Alien8 style 3D Tiles - TheoryHello, Are there any articles etc explaining how to do 3d style tiles, i.e. when to redraw those in front etc. I would guess you would need to work…
... . Alien 8 has a "linear screen buffer" that is 6144 bytes long ... [*]Only draw character cells on screen that change
[*]Scene ... drawing the entire screen in a back buffer, individual character cells ... background) is copied to screen. A big advantage is ...Alien8 style 3D Tiles - TheoryHello, Are there any articles etc explaining how to do 3d style tiles, i.e. when to redraw those in front etc. I would guess you would need to work…
... Alien 8 has a "linear screen buffer" that is 6144 bytes long ... [*]Only draw character cells on screen that change
[*]Scene ... drawing the entire screen in a back buffer, individual character ... />
The character buffer cell idea is excellent, and ...Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
I would suggest a linear screen buffer, that's all. This way ... complex calculation. The three-part screen structure itself a culprit, especially ...Siege RTS projectActually, it's but pre-prototyping: an upside-down tower-defense version of Sodov ([url]http://www.worldofspectrum.org/infoseekid.cgi?id=0004618[/url…
... Black Raven). The engine uses linear screen buffer (as Black Raven does). Only ... 48K screen used (in Black Raven, only ... the second screen is used).
With this ...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…
... ]Column coordinates within the Spectrum screen always respect the 256 bytes ... I was making operations on linear screen buffer in memory. I didn't ... bytes actually copied to real screen
N - are not ... directly copied to screen but deliver bits to S ...Vertical XOR filler.. anyone?Hi, I was just wondering whether a vertical filler using XOR has ever been used on Speccy demos/games and if yes when for the first time? Just tryin…
... de ;two bytes from a linear screen buffer (Y in L, X in ...Vertical XOR filler.. anyone?Hi, I was just wondering whether a vertical filler using XOR has ever been used on Speccy demos/games and if yes when for the first time? Just tryin…
... de ;two bytes from a linear screen buffer (Y in L, X in ...Could ELITE's wireframe graphics be improvedWas watching this video last night comparing the BBC and Spectrum version of Elite: https://www.youtube.com/watch?v=Ov4OAteeGWs It seems that the…
... for the bbc 1-bit screen mode, apparently it was so ... they setup a 1-bit linear screen buffer, converted the algorithms directly from ... copied it to the Speccy screen.
Not sure if ... drawing routines for the Speccy screen layout or not. I've ...off screen bufferwhen using an offscreen buffer is the memory copied to the screen in a way that makes it easier to draw sprites to the buffer? E.g. Lets say you…
... offscreen buffer is the memory copied to the screen ... of the screen where you copy your buffer to,
if the buffer was copied to the screen so that the ... /> draw background on buffer (or just clear it ... draw sprites on buffer
copy buffer to screenScreen Viewer: Speccy View 4SpeccyView (v4.0) Here is my new zx spectrum screen viewer, result of this weekend's work. Features: Loads: -Standard Screen Files (6912 byte raw …
... /> Features:
Loads:
-Standard Screen Files (6912 byte raw .scr ... games)
-Sna File (Shows screen buffer of ram image, 48k/128k ... match border colour to the screen,
-Loading and header ...
Hotkeys
Save screen to Scr, Png, Bmp, Jpg ...Screen routinesHello. For my games I?m using the sprites routine method of a screen buffer and when I finish to print all the sprites I dump all the buffer in the …
... sprites routine method of a screen buffer and when I finish to ... I dump all the buffer in the real screen. The problem is ... that the action screen must be little becouse if ..."chunky" gfxHas anyone some experience with coding "chunky" gfx routines ? (chunky is something like this [url]http://www.pouet.net/prod.php?which=13204[/url])
... draw to linear fame buffer first and only then perform full-screen dither ... render 32x20 characters (almost full screen) in less than one frame ... actually horizontally flips your frame buffer? :)Loading ScreensWhat method of revealling loading screens can be achieved in BASIC or is the only one which can be done the one which reveals it line by line over an…
... you can reveal the screen from BASIC in any ... data into the actual screen buffer in any order you ... the start adress where your screen code is placed.
... ) gives you the whole ( linear not other pages on a ... cannot see the way the screen is filled.
Fast screen writesI wondered what the faster than LDIR methods of writing to the screen were.
... on there and corrupt the screen in the process.[/QUOTE]
screen buffer) interrupts can be enabled easily ... POP then write it to screen buffer) you have slightly more problems ... not only to copy large linear blocks of data, but for ...Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
... buffer & Texture -> Complex Blender Fogger -> Screen ... object previously rendered to the screen buffer.
The ... local memory. Bi-Linear, Tri-Linear mip-mapping was supported ... />
Lastly the screen processor was responsible for writing ...Fastest Block Drawing Code?Following on from my scrolling thread [URL="http://www.worldofspectrum.org/forums/showthread.php?p=351304#post351304"](http://www.worldofspectrum.org…
... the Spectrum Screen layout, of course. The screen address could be linear, i ... , don't store your screen buffer in the same way as ... copy each line of the screen buffer to the display, fetching the ... You could even make your screen buffer bigger, so you can copy ...Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... had no problems with columnized screen.
[QUOTE ... =mcleod_ideafix;511425]The screen layout (not its size) is ... for example: having the screen divided into three horizontal blocks ... size blocks. Even the linear frame buffer is better in this ...Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... (and with the similar-sized screen the only difference) lies in ... -size blocks. Even the linear frame buffer is better in this respect ...Routine for clearing screenI was looking for a 'nice' way of clearing a screen of graphics in Z80. After a ridiculous amount of time mucking around, this is the best and most …
... .wikipedia.org/wiki/Linear_feedback_shift_register]Linear feedback shift register[/url]).< ... high byte of start of screen buffer; 192 used to test ... /> ; Map DE to pixel in screen buffer (HL)
LD ... add 16384 to point to screen buffer
LD A, H ...Double-Buffer ScreenFor my Alien Breed Speccy re-write I decided to use a Double Buffer (DB) or 'Back Screen' to draw all the game action onto, before shuffling the whol…
So, your screen buffer is in linear order instead of Spectrum screen order? Good move ... /> Also, don't forget this buffer screen can be bigger than your ... main screen, allowing you to draw sprites ...Double-Buffer ScreenFor my Alien Breed Speccy re-write I decided to use a Double Buffer (DB) or 'Back Screen' to draw all the game action onto, before shuffling the whol…
... ]So, your screen buffer is in linear order instead of Spectrum screen order? Good ...Double-Buffer ScreenFor my Alien Breed Speccy re-write I decided to use a Double Buffer (DB) or 'Back Screen' to draw all the game action onto, before shuffling the whol…
... ]So, your screen buffer is in linear order instead of Spectrum screen order? Good ... can keep shunting the DB screen to the display area, while ...bytes bits balonyNever mind
... /> Well, you've just rediscovered linear screen organization :)
Yes, ... it in your own shadow buffer. If you don't know ... it to screen.
As I said The buffer may have ... a really different organization than real screen, ...Buffer to screen - how much?[FONT=Calibri][SIZE=3]I am starting to build a new game and am researching different ways to accomplish what I need to do. My question is, is it poss…
... ]
Uses a screen buffer in linear format, not the same way ... the screen memory is stored. I ...ZX Uno programming competition[b]Rules[/b] - The game tematic is free. The languaje can be english or spanish. - You must use Radastan video mode in the game as principal. - …
... ).
Pixel addressing is linear, as Radastan said. Pixels are ... right, top to bottom. Total screen buffer is 6144 bytes beginning from ... 16384. If 128K shadow screen is used, you have the ...TommyGun's getting a Debuggerhttp://youtu.be/B_kZVRvYV98 I have always wanted to debug the programs I write in TommyGun using TommyGun instead of the debuggers in emulators. …
... Kiwi;865763"]Added an Off Screen Buffer view
[img]http ... be nice if this screen buffer would support some simple ... configuration like:
- output buffer width in bytes.
Allows ... default to 0, asssuming a linear buffer.
This allows for ...
