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POKING graphicsI remember using binary code (in BASIC) to POKE graphics (thanks Input magazine!) Using a FOR..NEXT loop you would POKE each square in the 8X8 charac…
... Letter A all over the screen, redefine the data that makes up ... Code that uses your own characters stored where you want them ... so it puts down 4 characters in a square each time ... walking across the screen. You wouldn't be printing characters anymore, you ... -
The making of R-Type on the speccy book, free downloadBob Pape, the guy who wrote R-Type on the speccy has made his book, "IT'S BEHIND YOU: the making of a computer game", available for free download: [u…
... of the screen (40 characters across, 25 down). If you redefine one of ... the UDGs, any instance of it on screen ... memory - that contains "pre-scrolled" characters/tiles, and by moving the ... to another (and updating the screen, I suppose?) you'd ... -
The making of R-Type on the speccy book, free downloadBob Pape, the guy who wrote R-Type on the speccy has made his book, "IT'S BEHIND YOU: the making of a computer game", available for free download: [u…
... of the screen (40 characters across, 25 down). If you redefine one of ... the UDGs, any instance of it on screen ... in the bank for a screen RAM). i'm not aware ... have to "manually" update the screen as you have to on ... -
Tips on optimizing some newbie assembly routinesI'm starting to learn some assembly language. The best way to learn is to actually code something you are going to use, so I'm creating a very simple…
... characters, and a routine which reads the grid and draws on screen ... the characters from the table. It ... tables: the grid of characters (named _MB23_grid) which contains ... ) and the table of characters (named _MB23_tileset) which is ... -
The grass is always greener...I have been a ZX Spectrum User since I owned one in my teens when they first came out in the early 80s. Not that I use it every day, but I get a fit …
... annoys me are those dreaded screen control characters. The printers of the ... in the French language. The screen resolution of the Amstrad range ... more than two colours on screen was not great, and the ... -
SnakeMan XLBased on [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0018323&loadpics=3&model=spectrum"]SnakeMan[/URL] the Minigame from 2007 I got the id…
... to be scrolling the whole screen in characters, why not make the ... -
SnakeMan XLBased on [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0018323&loadpics=3&model=spectrum"]SnakeMan[/URL] the Minigame from 2007 I got the id…
... to be scrolling the whole screen in characters, why not make the ... -
Maze Mania - How did they do it?Hi, I was looking at the game "Maze Mania" by Hewson Consultants, written in 1989. The game can be downloaded from here [URL]http://www.worldofspec…
... br /> The scrolling moves in characters, and it takes about 3s ... entire screen. That's 7 blocks, or (7x4=) 28 characters, ... displaying a small windowed screen (28x16 characters) that's enough time ... Look at the screen border graphics; 2 characters wasted on each ... -
ccompletly baffeled machine codeHi everyone, BEFORE you ask i have not asked help for loads of problems i have recently now encountered and i figured the problems out myself, hones…
... all over the screen, redefine the data that ... [CODE] ld hl,16384 ;screen address - 1st byte of " ... a ;write byte to screen
inc de ... one line on the screen
djnz loop1 ... -
Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... can redraw the entire screen from a buffer in 2 ... the screen by characters at that speed one whole screen goes ... a few small sprites on-screen, which is why [I ... it in-place in the screen memory.
[ ... though. Huge areas of the screen in [I]Zynaps[/I] ... -
Mr Do!, and paging ajmoss and othersIn threads like [url]http://www.worldofspectrum.org/forums/showthread.php?p=466099[/url] the possibility of Mr Do! has been discussed, but nothing…
... 'd need a Speccy screen 26 characters high to do it justice ... -
Mr Do!, and paging ajmoss and othersIn threads like [url]http://www.worldofspectrum.org/forums/showthread.php?p=466099[/url] the possibility of Mr Do! has been discussed, but nothing…
... 'd need a Speccy screen 26 characters high to do it justice ... , so that there are two screen states, one shows the top ... (of the twenty six). Flip screen rather than scrolling, of course ... -
BIFROST* for graphic artists - part 1Using multicolor requires 2 very different skills: [I]programming[/I] and [I]graphic design[/I]. I already wrote several tutorials about the former …
... screen but movement is very smooth. This demo includes 5 walking characters ... more stuff on screen. And if you want characters to move 2x ... must be either single screen or flip-screen). Also characters in BIFROST* are ... -
How much does Bifrost improve graphics (test 192x192 graphics)Inspired by the BIFROST library I made several experiments with 8x1 graphics at 192x192 resolution. The results are now overwhelming but under certai…
... gameplay area using larger characters, are good candidates for ... screen but movement is very smooth. This demo includes 5 walking characters ... stuff on screen. And if you want characters to move ... be either single screen or flip-screen). Also characters in BIFROST* ... -
Rendering clipped glyphSometimes you need to render a glyph of arbitrary size to the screen. And clip it. For example: drawing a mouse cursor means combining drawing of a…
... sprites travelling all over screen and therefore periodically ... the engine divides the screen into characters, so clipping is ... itself a rectangle of characters. The data structure describing ... these cases, all printed characters are really tiles (fixed ... -
Documentation for SP1 for Z88DK?(I was going to post in [URL="http://www.worldofspectrum.org/forums/showthread.php?t=11729"]the other thread[/URL], so if a mod thinks this should go…
... engine divides the screen into characters which are sometimes ... individual characters, strings of characters or rectangles of characters.
characters and how the sprite graphics will be drawn on screen ... // rectangle covering the full screen
# ... -
Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... starts beeping and filling the screen with "?" characters or dumps the names ... of functions to the screen, or otherwise ... above any text on the screen.
6. Anything else ... -
bitmap vs tile based displayIf I understand it correctly the ZX Spectrum display is all about bitmap. On the other hand the Commodore 64 is not. Correct me if I am wrong. If I …
... on the screen. For example, the C64 only has 256 characters in ... set, when there are 800 characters on-screen.
The MSX ... sets in bands across the screen, 256 characters in each band. That ... -
clear a windowed area of the screenHi everyone! Ain't been on here for donkeys, but have recently started messing around with a little game. I'm looking for ideas/opinions on the bes…
... file -- it divides the screen into characters which have a small data ... does is iterate over the characters of the rectangle and store ... way involves writing 64 space characters whereas if you write directly ... -
Screen AttributesNot sure if this is a devolopment question but here goes... In my limited understanding, the 'attribute file' of a speccy is 5800h to 5AFFh and each…
... each character position on the screen. With bits 0 to 2 ... the humble spectrums 2 colour characters are a limitation of the ... -
ANNOUNCE: BASin r14 is up. New SCREEN$ paintbox included.Hi all, Well, I can't sit on this any longer - so I've released it. Let's all get a good testing session going, eh? You can get the new BASin [url=…
... /> The big news is the SCREEN$ paintbox. It's now in ... . (Daren Pearcy)
Added - The SCREEN$ paintbox tool. It's basically ... nasty crash when inserting new characters into the Graphic/Sprite editor ... -
Keys redefine routine and key check.I have written some asm code which allows me to redefine keys (for a game etc.), and also allows me to be able to check any keypresses for the redefi…
... D
[CODE]
; Redefine Keys Routine
; written by ... This will either run the redefine routine *or* check for any ... call ROM_CLS ; do the clear screen
ld hl,msg_define
ld a,2 ; upper screen
call CHAN_OPEN ; get ... -
UN Squadron on real +2BHi there, I have been using 8bit computers for a long time (almost 25 years) and always was fond of ZX Spectrum. Last year I managed to buy a ZX S…
... disk" screen; sometimes is allows me to view characters story, redefine keys and ... -
BOB the Screen BuilderHere's my first attempt to use that tokenising idea from "more on storing mazes" in a screen designer - "[url=http://www.users.globalnet.co.uk/~jg27p…
... on storing mazes" in a screen designer - "[url=http://www. ... pourri/bob.zip]BOB the Screen Builder[/url]". There's two ... much room as possible for screen definitions (there's about 30kb ... with a mixture of printable characters and attribute tokens. The block ... -
Fastest redraw of screen from UDGsHere's a question for everyone, to generate a bit of code to be used in games: On a standard 48K Spectrum, what's the fastest way to redraw the scre…
... machine with a character-mapped screen and render that as fast ... have to render the screen full of characters to the Spectrum's ... drawn, to try to minimise screen tearing.
The UDGs ... is larger than the rendered screen and/or wraps-round horizontally ... -
Specteculator + Plus D + SCREEN$Today I'm running in a little problem with spectaculator and +D. I was doing the following: I would like doing a dia show containing about 100 SCREEN…
... dia show containing about 100 SCREEN files from disk. :smile:
characters when I'am doing the ... :
[I]59 Snap2S 14 SCREEN$
79 ???@?? COPY COPY _P04 ... -
display file addressing; screen slicingWhile working on this Compendium I'm updating or rewriting a lot of stuff. One thing I eventually came to appreciate was the simple & clever way in w…
... I've done a little screen slicing program in both assembler ... & move things on the screen once the structure of the ... the details:
The screen is divided into three segments ... has eight rows of characters; each row of characters has eight lines ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... entire screen but they are limited to monochrome characters. [ ... bicolor[/B] graphics everywhere* on screen.
In ... screen" is not exactly accurate. The engine available area is 30x22 characters ... ENGINE is also "full-screen". Technically, perhaps it ... -
Made In Creative UK - Loading screen.I'm a UK developer, and so support Made In Creative UK [URL="http://madeincreativeuk.com/"]http://madeincreativeuk.com/[/URL] My ZX81 games now incl…
... a loading screen, so at most 12 or 13 characters wide, with ... -
Best way to have multiple characters in AGDHi Guys Can someone please tell me if you can have 2 playable characters in game at anytime that span multiple screen sort of like the way Enigma Fo…
... 2 playable characters in game at anytime that span multiple screen sort ... />
If both characters are on the same screen, they keep their ... up:
a - last screen number it was on
