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Font centering problemA while back today, I started coding a simple Othello/Reversi game in BASIC, with the precious aid of BASin (great tool, hope it eventually becomes b…
... desired (vertical) pixel pos is possible in Basic - with PLOT for instance ... -
Developing the Spectrum ROMI'm working on some Z80 assembler for a Z80-based single board computer that I'm building. For the things that don't poke my hardware, I'm using a Sp…
... with graphics routines, such as PLOT, DRAW and CIRCLE, and wrote ... form as 4-by-1 pixel patterns.
On a ... -
Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... as reference. How can you plot a pixel (look it up), how ... attribute address for a specific pixel (look it up), etc.
Game Programming Source Code & Startup HelpHi there, I'm planning on porting an existing commercial title to the speccy. I'm in the process of disassembling the original code and commenting i…
... to move sprite by 1 pixel at 25 fps, it's ... say you'd use 2-pixel step in x-axis, thus ... into tables. Excellent example is PLOT routine.
- don't ...How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
... size of the TV raster "plot" equals to a Spectrum pixel?How does interrupts work?I am a little confused regarding the interrupts on the Spectrum. If I have some hundred bytes of machine code started with, say, [B]RANDOMIZE USR 300…
... bytes -- the byte of mono pixel data and the corresponding attribute ... the TV raster "plot" equals to a Spectrum pixel?[/QUOTE]
Vertically, the spectrum's pixel is twice the height of ... odd frames so the same pixel row gets displayed twice in ...Preferred way of determining Y co-ord in assembly?I know of 2 ways of calculating the y-cord of a pixel row for the speccy in assembly. One is to calculate the address by ways of shifting and masking…
... br />
MAIN call plot
ld b ... ret ;EXIT!
plot ld BC, (coord) ;load the ... h ;increment h to pixel line aligned address
...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... two frames. Split the buffer pixel shift in half, doing ... scrolled left one pixel, the task is to plot a single ... be used to scroll a pixel row on screen left ... one pixel (adriaan's rl(hl)/ ... to figure out what pixel to plot on the right edge ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... slots, one for each horizontal pixel in bargraph
{
clg(); // clear pixel portion of screen
// plot bargraph -- functions from graphics.h ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... ]
[B]
#1 Redo pixel scroller to act directly on ... easier than the original with plot productions higher than they should ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... *
uchar x_offset; // horizontal pixel offset within plot
};
[/ ... deposit stored in the plot's "struct plot" structure as production ... function "count_same_type()" with each struct plot * visited. "count_same_type()" looks at ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... *
uchar x_offset; // horizontal pixel offset within plot
};
[/code ... horizontal pixel offset where the mountain should be drawn within the plot ... a random horizontal pixel displacement inside the plot. Each plot is 24 pixels ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... printer [b]d_PrintDoubleW()[/b]. The pixel scroll routine requirement has changed ... "struct plot" (from plot.h) describes what kind of land plot the plot is ... buff, gfx_plotBorderPixel, 72, 1); // OR plot border into buffer
memopi ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... *
uchar x_offset; // horizontal pixel offset within plot
};
... the mountains outside the 24-pixel wide plot.
So ... buffer address moves one pixel down in the buffer ... zero) then the 8 pixel wide mountain will have ...Letters with accents on the SpectrumIs there any way to type letters that have accents (for example ? ? ? etc) on the Spectrum? Maybe it's really obvious but I don't know how.
In BASIC, you could use PLOT to draw diacritical marks. I ... a block of 8 bytes (pixel-rows), and (re)write a ...Hardware fault - HELP!I bought a speccy 48K (rubber) on Ebay. I was delighted when it arrived. It was in PRISTINE condition, it looks brand new! However, the machine has a…
... code before you can plot an arbitrary pixel on the screen. With ... a Speccy, just PLOT x,y ...Why are we here? (At WoS)No, not a deep philosophical question about the nature of life, the universe and human existence. The thread “what does your partner think of …
... up so you can plot an arbitrary pixel on the screen, restrictive ...Why are we here? (At WoS)No, not a deep philosophical question about the nature of life, the universe and human existence. The thread “what does your partner think of …
... up so you can plot an arbitrary pixel on the screen, restrictive ...New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…
... without adding a new (complicated) PLOT command, so that we don ... erase the existing walls. The PLOT command would have to accept ... "out of position", so no PLOT command is ever needed, and ... reduced, and 'snapped' to even pixel values, but I think besides ...Speccy sound on tv show - againRemember the spectrum loading noise in two CSI shows? Well, fuzzix on c.s.s. has found what seems to be another clip of Speccy goodness: [url]http:/…
... bytemark.co.uk/speccy_wire/plot.rb]a second Ruby ... script to plot the data in the ... .bytemark.co.uk/speccy_wire/plot.gif]plot.gif[/url].
...
On that plot I noticed some diagonal bands ... slightly more than 5 pixel rows, which suggested that ...Disappearing/appearing effectI remember doing a small routine in BASIC which could be used to cover the attributes section randomly, until all 704 characters were filled with the…
Head over Heels on the C64Dunno if this' a good place to bring this up :D I've been comparing Head over Heels versions and the C64 version is way inferior, everytime there's…
... at 4 Mhz, but the pixel layout on the screen is ... . If you actually have to plot individual pixels then yes, it ...Bresenham's line algorithmHelp - I really am struggling to get my head around this algorithm. I don't know why, I coped with Cordic (SIN/COS) and integer divide routines (/10 …
... /> imagine you have some quick plot routine inlined
[code ... ]
for all 8 pixel position
i dont know ... routine takes perhaps 50T per pixel and it is possible due ...Bresenham's line algorithmHelp - I really am struggling to get my head around this algorithm. I don't know why, I coped with Cordic (SIN/COS) and integer divide routines (/10 …
Thank you rtunes for that link to a very early thread which provided some interesting source code. I must learn to search WoS forums a bit better.
I did manage to write a 16-bit Cordic routine which is good for circles as it calculates SIN and ...Fastest way to decide which pixel to paint in order to draw a straight line(after I saw "Bresenhams circle algorithm" in development forum, I decided to ask this in here) in fact, I want to accelerate a car towards a direct…
... REM from the pixel (A,B) to the pixel (C,D).
1160 PLOT A,B
1170 LET ...Fastest way to decide which pixel to paint in order to draw a straight line(after I saw "Bresenhams circle algorithm" in development forum, I decided to ask this in here) in fact, I want to accelerate a car towards a direct…
... lines if I make 1 pixel decisions. if I let for ... c=c+8
16 PLOT c,d
30 GO ...Small BasicFor all those people who ask "where's the equivalent of Sinclair BASIC for today's generation", I give you (a link to) [url=http://msdn.microsoft.com…
... (x,y,color) equates to PLOT and
GraphicsWindow.GetPixel(x ... to POINT returning color of pixel.
CIRCLE is a special ...DATA BIN - How to read the contentOkay I hit a snag with my Image to ZX Spec program that the plot/draw command eats too much memory. So I want to use DATA BIN to insert converted jp…
...
This code will plot the string to screen:
pixel RGB information from a JPEG ...DATA BIN - How to read the contentOkay I hit a snag with my Image to ZX Spec program that the plot/draw command eats too much memory. So I want to use DATA BIN to insert converted jp…
... just need to encode per pixel RGB information from a JPEG ... are two parts, one is pixel information - 6144 bytes long (32bytes ... what you've done with PLOT and DRAW...).DATA BIN - How to read the contentOkay I hit a snag with my Image to ZX Spec program that the plot/draw command eats too much memory. So I want to use DATA BIN to insert converted jp…
... are two parts, one is pixel information - 6144 bytes long (32bytes ... what you've done with PLOT and DRAW...).[/QUOTE]
