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How do I clear only a specific area of a screen (quickly) in machine code ?I'm looking for a machine code routine which will clear the first 20 rows of the Spectrum's display (or any number of rows or columns) . I have found…
... 'm looking for a machine code routine ... screen
(13 bytes). I also found a routine which can 'fill'
a ... could suggest a
routine which clears a specific number ... to the way the screen
pixels are stored ... I don't have a very strong grasp of
Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…
... the fastest way to clear a screen (i.e., filling the 6912 ...Loading a screen in to memory...Hi Folks, I want to load a SCREEN$ in to memory and save it out to RAM disk without it being displayed on the screen. I am worried about over writi…
... /> I want to load a SCREEN$ in to memory and save ... being displayed on the screen. I am worried about ...
[CODE]100 LOAD “SCREEN” CODE RAMTOP+1,6192
110 SAVE !”SCREEN” CODE RAMTOP+1,6192[/ ... be reloaded with a simple [B]LOAD!"SCREEN" SCREEN$[/B] or ...Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…
... revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread ... possible, with a bit of trickery, to copy a SCREEN$ (or any ... of the solution. Load a SCREEN$/SCR file when prompted, ... br /> 35 PRINT #0;"load a SCREEN$ then press ""j"""
36 ...displaying all memory activity in a screenDunno why I keep thinking about this, but here goes Is it easy enough to add a screen to an emulator that shows every memory address' activity.... …
... it easy enough to add a screen to an emulator that ... (well, rectangles) each showing a row of 8 squares representing ... you could see say a row of 49152 x 8 ... columns, etc ....im thinking a 256 x 1536 would be ... plenty of space on screen for thr emulator and ...ArtistryIn my younger days (and to a certain extent, now) I was always intrigued about how the loading screens were constructed. Back then I'd assumed it was…
... to try another fill!). I also included a recently published newsletter ... the pattern filler can fill an entire screen using about 900 ... bytes of stack. The black fill ... and no patterns) can fill a screen using just 100 bytes of ...PFN PRINT by Garry Rowland...Hi Folks, Whilst watching Casualty last night I thought I would surf the archive and look at some "classic" software. One I tried was a program cal…
... hungry and slow-ish to fill a screen with text. What I did ... original Garry Rowland programs as a template and stripped it ... PICREMA which took various sized screen$ area grabs.
... It originally came on a magazine covertape, pretty sure it ...Games with tiny and detailed graphicsThere are games with tiny & simple gfx and there are games with tiny & detailed gfx. I'm looking for the latter. My suggestions: Rex [img]http://ww…
... great, having a cartoony look in such a small frame, ... for their look. So fill a screen with them and I find ... any part of the screen you're not looking directly ... at just seems a scratchy mess. So many ... more playable due to a bolder design of distinct ...How much can you get into 48k?Todays experiment was to see how long, how much text, a PRINT statement will hold. I filled it up with * and counted them and got 689 chrs. Almost 22…
... the Spectrum is fill more than a screen. You can fill a screen then CLS and ... fill that space again but ... if I wrote more than a screen full it would simply ask ...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…
... ]bicolor[/B] graphics everywhere* on screen.
In practice ... image), draw btiles, and "fill" a bicolor position (useful to ... ). This is intentional. a full-screen game will typically need ... ENGINE is also "full-screen". Technically, perhaps it would ...Fastest way to write something to screen$Hi, I just got pasmo.exe and start playing with attr scrolling, well, not scrolling, just write different values to a block and see if I can introdu…
... just write different values to a block and see if I ... can introduce a delay that whould make the ... 's the fastast way to fill a block of memory with 1 ... fastest way to update the screen. I know that ldir/lddr ... the push vs ld (hl),a.
NOTE: This must ...Getting attribute location from a screen coordinates (x,y)I am having trouble figuring out how to convert an x,y coordinate pair (pointing to a specific pixel) to the location of the attribute for the block …
... y coordinate pair (pointing to a specific pixel) to the ... it was gave me the a location that wasn't ... in the screen.
Does anyone know of a way to ... that once I understand the screen layout better then I ... help me understand the screen layout better.How to put up a SCREEN$ - VB6 only.I'm making a little [B]Opus Discovery[/B] floppy image creator/viewer (thanks, [B]Obo[/B]!). It is made in... VB6 (sorry, don't know any "real" langu…
I'm making a little [B]Opus Discovery[/B ... I'd like to add a [B]SCREEN$[/B] viewer.
< ... some way to display a Speccy screen, like in a picture box (BRIGHT ... how to get a [B]StdPicture[/B] from a 6912-byte ... I tried to figure out screen handling in VBSpec, but ...need a routine to fill the screen with 'stars'I need a routine that will randomly set pixels to give the illusion of a star filled back ground. Once drawn, the stars don't need to move. Not wanti…
I need a routine that will randomly set ... to give the illusion of a star filled back ground. Once ... see if anyone had such a routine in their code collection ...Saving a complete SCREEN$ in BASICI'm trying to save a SCREEN$ to a tape file (basically the original data is in a .tzx file that I'm trying to save in a .tap format) but the problem …
I'm trying to save a SCREEN$ to a tape file (basically the ... original data is in a .tzx file that I' ... m trying to save in a .tap format) but the ... of lines of the screen. Is there a way of saving ... the complete screen without losing any ...Activision want a "screen shot touch up artist"We all know that screenshots for upcoming commercial games are often touched up (enhanced) before being given to magazines or uploaded to the 'net, b…
... ever seen this confirmed in a job advertisment. Until now...
Have a look at:
[URL ... lead on screenshot production, including screen capture, image processing and archiving ...Best way to organise a multi screen game?Hi All, Does anybody know ay good ways to organise large multi screen game? Or any links to useful texts on the matter? In my previous single scr…
... to organise large multi screen game? Or any links ... br /> In my previous single screen game it was the simple ... memory and every time a screen change was needed I ... but is no good for a flip screen one.
screen, but as yet not ...Help identifiying a very old gameHello, first post here although I've lurked for a while :) Great site! This is a long shot, but I wonder if anyone can help me find a game I played…
... although I've lurked for a while :) Great site!
a Scramble type game, I think ... on the screen and a massive mushroom cloud would fill the screen. Thats all ... commercially (I had it on a compilation tape *cough*).
Issue 6 repair with a twist...(Starting with a slight grump - the forum ate my first attempt at this so this'll probably end up being a bit terse :)) I got a Issue 6 48K machine …
... coloured blocks appearing on the screen when running:
[IMG] ... entered and ran a simple BASIC program to fill the screen with some ... issue is the random fill test, where a random number generator is ... loaded with a known seed and then used to fill the area ...Type a screen of text from the start screen.I've forgotten all the combo's of symbol-shift and so on, but is there a way, from Spectrum Basic to just type out a load of text? Problem is, as soo…
... so on, but is there a way, from Spectrum Basic to ... just type out a load of text? Problem is ... , as soon as you hit a key, you get one of ... want to just type in a few sentences, without any of ... commands, from the initial BASIC screen.Saving all of a SCREEN$I have some .scr files that I have created in img2spec and I can open them in spectaculator and save them by using the EDIT button and selecting scre…
... button and selecting screen mode, then, save "name" screen$.
This ... />
Is there a way to get these SCREEN$'s saved in ... it by making a little program to load the SCREEN$ then have ... the same program save the SCREEN$ - but the problem is ...Hiding a Loading Screen?Hi folks! Is there an easy way (a POKE or something) to hide the drawing of a loading screen? I did find a post from leespoons in an old thread wh…
... the drawing of a loading screen? I did find a post from leespoons ... - handy when you've got a screen$ to load and don't ...Textured Scanline Flood Fill for ZX Spectrum 48KPity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the…
... . Recently, I have created a textured/hatched fill M/C routine for ... /04/zx-spectrum-scanline-flood-fill.html"]John Metcalf's Scanline ... /04/zx-spectrum-scanline-flood-fill.html
10 CLEAR ... Leave some space for shadow screen buffer
20 GO SUB ...thinking of a gameI cant remember the name of this game. Basically you were a team of people. Although I distinctly remember one thing you had control over was a lar…
... .
Basically you were a team of people. Although I ... you had control over was a large ball that could shoot ... ship I think. Look its a question for the seasoned player ... yes could you send me a screen capture to confirm [email="jeremy ...Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... br />
; Fill Back buffer with a bright stripy pattern
; CONVERTS A SCREEN ADDRESS TO AN ATTRIBUTE ADDRESS ... ; ON ENTRY:
; HL CONTAINS SCREEN ADDRESS
; DE CONTAINS CHAR ...Smooth Masked Sprites using fast page flip on 48k Part 2Ok, After all the suggestions in Part 1, which were all excellent (Thankyou), I opted on the following: I have 2 x 6k Offscreen areas (Yes, that's …
... />
; Fill Back buffer with a bright stripy pattern
;
; ; CONVERTS A SCREEN ADDRESS TO AN ATTRIBUTE ADDRESS ... ON ENTRY:
; HL CONTAINS SCREEN ADDRESS
; DE CONTAINS CHAR ...Screen$Is there a quick way to get pictures off a PC e.g. from MS Paint, onto the spectrum without having to type in each individual pixel before saving the…
... to get pictures off a PC e.g. from ... individual pixel before saving the screen$
I have ... does the loader load run a screen$ and then start loading ... stop the user closing the screen$ away. I guess ... there is a poke?
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SPIN - debugger / fill memory / how ?I try to fill the screen with 00 value, but I don't get the expected result. - pause the game - debugger - hex numbers - fill memory block - fill wi…
I try to fill the screen with 00 value, but I ... /> - hex numbers
- fill memory block
- fill with 00
- main ...
- view memory
- all screen data is still there, no ...A strange thing in Target: RenegadeI have noticed a strange thing while playing Target: Renegade in zx32. I successfully complete the first level and go to the second one. On the secon…
I have noticed a strange thing while playing Target ... women there's a screen where a woman is holding a weapon. I hit ... t go to the next screen. If I take the weapon ... them. Does this happen on a real ZX-Spectrum? Is ... this a bug in the game?
...
