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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 ... sprites on the screen, I'm just copying static image from buffer to screen ... -
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 ... -
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…
... version. Alien 8 has a "linear screen buffer" that is 6144 bytes long ... -sorted in 256 planes
[*]Sprites automatically drawn the 'fast way ... cell (with all sprites and background) is copied to screen. A big ...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…
... version. Alien 8 has a "linear screen buffer" that is 6144 bytes long ... -sorted in 256 planes
[*]Sprites automatically drawn the 'fast way ... cell (with all sprites and background) is copied to screen. A big ...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…
... was also used (with other sprites and background) in hidden part ... .sna[/url]
Sprites are not pre-shifted (as ... Black Raven). The engine uses linear screen buffer (as Black Raven does). Only ... screen is used).
With this code, you can use sprites ...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 ...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…
... it easier to draw sprites to the buffer?
E ...
if the buffer was copied to the screen so that the ... its easier to draw sprites to the buffer, and then have ... buffer (or just clear it)
draw sprites on buffer
copy buffer to screenScreen 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 …
... ?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 real screen. The ... problem is that the action screen ...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 ... buffer screen can be bigger than your main screen, allowing you to draw sprites ...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 ... find it easier when plotting sprites ...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. …
... be nice if this screen buffer would support some simple ... configuration like:
- output buffer width in bytes.
[/quote ... default to 0, asssuming a linear buffer.
[/quote]
... you have the original sprites/images and the abilitiy to ...Machine Code Sprites Example Code Using Char Based SystemBelow is my WIP code to do smooth screen wrapping sprites using char positions and offsets, as opposed to writing direct to a line (0-191) and shifti…
... code to do smooth screen wrapping sprites using char positions ... ; ********************************************
; Char Offset Sprites Demo
; August 2004 ...
RET
sprites:
; 0=xpos,1=ypos ...Ways to use double buffering in basicI was meddling with woody's print stream code where you can print characters at any pixel location on screen. I was playing with 12 sprites, very ann…
... pixel location on screen. I was playing with 12 sprites, very annoying ... to draw anyting on 128k screen buffer, and flip it after your ...Screen 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 ...TommyGun with Debugginghttp://goo.gl/HfSXev?gdriveurl Ok, so this is a pretty big release for me and I have added a lot of stuff into the code editor. Mainly of course …
... when sprites are drawing on screen or in an off-screen buffer.
There is an off-screen buffer viewer; with which you can ... Admin
o Added Big Sprites Demo project
o ... View
o Added Off Screen Buffer View
Can display ...The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... of more powerfull machines. No sprites, color wasn't selectable down ... games. They barely update the screen fast enough to fit between ... allows you to alternate what screen buffer you were updating and just ...The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... of more powerfull machines. No sprites, color wasn't selectable ... . They barely update the screen fast enough to fit between ... allows you to alternate what screen buffer you were updating and ... playable (usually they were title screen special effects). A few ..."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 ...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…
... "inc h" to navigate a screen buffer :-P The Spectrum display file ... blocks that don't cross screen block (ie thirds) boundaries. ... has to copy from one screen to another with offsets, ... draw pixel-positioned sprites onto a linearly rasterised screen than the ...I just picked up a free Atari 520stJust got a free 520ST, (no cables or leads) and a small box load of games. :? dunno what to do with it, but it was being thrown out, so I grabbed it…
... the background. Get too many sprites, or some big ones moving ... you need a double-size screen buffer that lets you run forward ... work screen (blending three sources into 4 bitplanes) ready to draw sprites ...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…
How many sprites does DD have on screen at once?
... I use a dirty buffer for ... (it's gonna be flip screen rather than scroll, right?)
screen buffer] then in the interrupt service ...
