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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…
... I'm misunderstanding how the PIXEL-ADD rom routine works.
pixel at the top of ... the screen and one pixel in. So with that, ... why the code places the pixel here: [img]http://s17 ... .postimg.org/3ow95qdwr/pixel.png[/img]
Edge: Art of the Pixel, Special Edition Art BookI mentioned it in the Vallation thread in Gaming, but you can now buy the Edge: Art of the Pixel special edition art book that I feature in as well a…
... the Edge: Art of the Pixel special edition art book that ... well as other incredibly talented pixel artists and also has some ... other ZX Spectrum pixel illustrations included. 212 pages all ... interview and some of their pixel illustrations in over 8 or ...Where does the the Spectrum store the PLOT position ?So try this and it works just fine. The Spectrum must store the PLOT position somewhere as the line moves along. I'm sure someone knows where this is…
... . The Spectrum must store the PLOT position somewhere as the line ... 0: RANDOMIZE:CLS
10 PLOT 0,0
20 DRAW ...A sped up pixel-shift routine for 1-byte–wide spritesHere’s an optimized (for speed) real-time sprite shifting routine for sprites that are one byte wide. It uses no memory variables for storage of inte…
... address and A holding the pixel position (the usual deal).
ex af,af' ;restore pixel position (number of shifts) into ...SpecBAS 0.900 ReleasedAgainst my better judgement, here's 0.900. It's got lots and lots new, but mostly the new shiny is the editor. You can indent your code, you can e…
... ,o
Added radius to PLOT Array() handler in Array(n ... /> OVER 11 - Recolour mode. Any pixel that has a value of ...New game: PIXEL QUEST 2000[img]http://i66.tinypic.com/6yeadu.png[/img] [img]http://i68.tinypic.com/5mws9k.png[/img] [img]http://i65.tinypic.com/332rm1i.png[/img] [img]http:…
... .png[/img]
[b]PIXEL QUEST 2000[/b] is the ... ?cat=96&id=30237"]PIXEL QUEST[/url], elected by [i ... reveal heroes and other famous pixel images from some of your ... imagine!
* Play to collect pixel art from modern Speccy games ...new category called graphics & pixel designHi, is it possible to add a new category called graphics & pixel design? I'd like to add some information wrt to game design tools which are speci…
Hi,
is it possible to add a new category called graphics & pixel design? I'd like to add some information wrt to game design tools which are specific to specnext.com and the new vega+
MarekOut Of Compo - an erotic pixel compo this November!Hello, guys! I'd like to welcome you to participate in our graphics compo. [url="http://ooc.retroscene.org/en"]Out Of Compo[/url] is a virtual con…
... a few more categories - oldschool pixel art for a number of ... platforms, including Commodore 64, modern pixel art, digital painting and 3D ...Pixel Editor Pro - a new webapp for editing pixel artHey Spec Chums, Don't know if anyone's interested, but I've been working on a pixel art editing webapp that might be useful for potential retro de…
... 've been working on a pixel art editing webapp that might ... . :)
It's called Pixel Editor Pro (a bit of ... to see in an online pixel editor
2. how the ... such as (1) size of pixel squares in the Edit Single ...Drawing LinesHas anyone got any experience of coding a Bresenham line drawing algorithm on the Speccy? I've had a go and I find the algorithm has quite a few s…
... go through to determine each pixel, such that even as optimal ... calls a separate function to plot each pixel on the screen as ...Plot questionHi all Is there a way of detecting whether a plot position has been plotted, or whether it's still 'empty' ? In short, I need to know for a pro…
... way of detecting whether a plot position has been plotted, or ... line being drawn from one plot position to another, growing in ...pixel exact printingis there a way of doing this in basic? or by copying / modifying the rom code or using a completely new routine? so that print at x,x works more like…
... x,x works more like plot x,x? any help would ... ://spectrumcomputing.co.uk/entry/8 ... Plot-Print
unfortunately it ...line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…
... overhead of the PLOT, which is called for each pixel. The task ...line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…
... isn't much better PLOT routine.
But remember ... LINE routine, not only PLOT.
What can be ... of the coordinates in the PLOT.
Remeber, Bresenham ... course if you put PLOT directly into LINE you ... Then I added some pixel caching a and stack indexing ...line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…
... : bc = (y,x) coordinate of pixel
ex de,hl
ret
or_fim: ;plot a single pixel
ld c ... ,1
jr z, or_pixel2 ; pixel is at bit 0...
line routineWondered if anyone can help me out. I have been programming a 3d graphics library for the spectrum, in Machine code. The line routine that I have i…
... (HL)
LD (HL),A ; plot the bit
INC H ...
RET
or_fim2 ;plot um ?nico pixel
ld b ... ,1
jr z, or_pixel3 ; pixel is at bit 0...
Speccy machine code info where is it?Recently I've been trying to learn Z80 and I've managed to make limited progress (some of my routines even compile now!) but I seem to be having trou…
... . 16384-22527 holds pixel information. The following ... the screen byte to plot, as bit position ... 0 so we plot the first bit ... calculating new screen addresses from pixel coordinates.
pixel, character and attribute routines ...Ported whole casettes of backuped utiltilitiesHi! A friend of mine gave me a few casettes he found in the attic - he used these to backup ORIGINAL casettes he had back in the spectrum games. The…
... . But it was all a plot to RUN THE GODDAMN SHOW ... />
_________________
[B]Pixel Me Do?[/B]
[url ...Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??
Being able to plot at a pixel position = PLOT x,y;"Hello" would`ve ...Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??
[quote]
On 2004-03-10 00:45, MatGubbins wrote:
Being able to plot at a pixel position = PLOT x,y;"Hello" would`ve been very helpful indeed.[/quote]
That's not plotting though - that's printing.Any Errors?Any errors you feel Sinclair Research or even Amstrad made with the speccy??
... /> Being able to plot at a pixel position = PLOT x,y;"Hello" would ...An emulator(another on of my projects) Does anyone know how to write an emulator? The emulated computer is very simple (a MK14, infact -also by Sir Clive) and a…
... things like having a 30 pixel high scroller bobbing across the ... out screen address for a pixel and setting it in that ... ... Would that be faster than plot... I don`t know.
If there's ONE thing that......frustrated you about the spectrum when you were a kid (not now) what would it have been? 1) The attribute colour problem 2) The sound 3) The size…
Pixel LimitIF Y3<192 THEN : LET x2=INT (128+X*A*SIN A): LET y2=INT (Y3): DRAW INK
... have to be anchored to pixel 0,0? If not, how ... is no previous point. Adding PLOT x,y before each call ...Pixel LimitIF Y3<192 THEN : LET x2=INT (128+X*A*SIN A): LET y2=INT (Y3): DRAW INK
[quote]
On 2004-11-16 21:44, dalmudlee wrote:
I have never seen this graphics restriction before. Why does the Spectrum have this limitation?
1720 FOR A=0 TO INT ((50*3.14)-38) STEP 3.14/P
1730 LET Y3=96+Y*A*COS A
Manic Miner Basic Source?Is there any sinclair basic source for Manic Miner going around on the net? also does anyone have any good guides which can get one started on making…
... lets you move a single pixel(PLOT x,y) around the screen ... , when you have a single pixel moving without leaving trails, add ... in another(uncontrolled) pixel and make the program print ...Development SurveyI was just wondering how many people are actually developing games or programs for the Speccy. I'm not talking about people who "plan" to write somet…
... . Demotopia.
7. Getting my pixel-plot routine down to ~86t per ... pixel. And within 1k.
8. ...Problem with rotating procedureHi folks! I wrote a proc in z80 asm, based on: x' = x * cos (z) - y * sin (z) y' = x * sin (z) + y * cos (z) I used a precalculated table of sin a…
... in signed 16bit, game writes pixel directly to screen (avoiding copy ... many T takes the fastest plot routine ? 100T ? 90T? 85T ? ... /> fastest, table driven, put pixel routine takes about 90T. but ... be just one pixel left or one pixel below. such computations ...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…
[QUOTE=piters]Probably less pixel means less calculation, even if ... the dy/dx decisions. To plot a line 160 pixels wide ... simply by using a 256 pixel wide window centred in the ... acceptable. Anyways, with the 160 pixel wide display they did manage ...
