... map (eg: what are the x,y coordinates of the enemies on ... generate all this data himself from scratch.. Perhaps we could do ... else in that kind of position.

It may be ...

... with the variables -

x across screen - set automatically by ... use 9400 to avoid
y - pixel start from top
xs - size ...

... an exact horizontal character coordinate (pixel position is a multiple of 8 ... />
.column0

defb x,x,x,x,x,x,x,x ; one char of graphics : 8 ... sp1_CreateSpr call and column offsets from the first column in sp1_AddcolSpr ...

... new x/y values in COORDS
CALL L22AA ; routine PIXEL-ADD gets ... address in HL,
; count from left 0 ... the plot-sub want the x and y parameters in the BC ...

... command called "locate x,y" and/or function "location x,y" would be good ... ,row and "LOCATION" should be pixel oriented.

[CODE]
x,y in pixels
30 ... Spin?
-Option to export from SpecOS to Sinclair Basic. This ...

... the typed LINE / ARC routine from [URL="ftp://ftp.worldofspectrum.org ... starting position
30 INPUT "X value ";X: PRINT "X = ";X;
40 INPUT "Y value ";Y ... REM 'DRAW A LINE' from lastposition to X,Y
510 LET PlotX ...

To calculate a screen address I usually take the Y pixel position, swap bits 2 to 0 with bits 5 to 3, shift to left 5 times (to multiply with 32) and add the start of screen (16384 or 49152).

... frame number
X position
Y position
X velocity
Y velocity
Width ... /> Y velocity

The object X and/or Y position is subtracted from the ... scroll position. If the ...

... like, but for pixel-by-pixel collision detection you' ... />
Sorting by Y-coordinate would likely be handy ... like SPRITE SET id, x, y, w, h, (other ... any sprite's data records (x, y, gfx$, rotation, scaling)?
from the 90s. I ...

...
As for the x/y offset, it's usually known ... to be describing the position of its top-left ... Now when you set a position for that sprite, you ... position of the centre, and the system knows to subtract 7 from ... the x and y values to find ...

... ]
As for the x/y offset, it's usually known ... to be describing the position of its top-left ... Now when you set a position for that sprite, you ... position of the centre, and the system knows to subtract 7 from ... the x and y values to find ...

... (x,y) of (2,2) is specified, then when the sprite's position ... graphic design has a 2 pixel overflow around the edges.
pixel in a mouse pointer graphic ...

... routine which I once borrowed from some program via MERGE or ... PLOT x,y
1010 IF NOT POINT (x+1,y) THEN LET x=x+1 ... POINT (x,y+1) THEN LET y=y+1: GO SUB 1000: LET y=y-1 ... (char-perfect as antonym to pixel-perfect), but how to see ...

... there must be exactly one pixel per scan raster. For horizontal ... demo I've written suffers from the same kind of artifacts ... like shape that is drawn from 30 to 80 and substitute ... 2-1
1020 LET y=n-r
1030 ... LET alp=ASN (y/r)
1040 LET x=r*COS alp ...

... attribute area is separated from the bitmap data because ... value can hold both X,Y values. Yes: you ... the X axis, but that would limit smooth pixel ... movements.
- The fastest way to move from ... calculations for moving vertically from one scan to ...

... attribute area is separated from the bitmap data because ... value can hold both X,Y values. Yes: you ... the X axis, but that would limit smooth pixel movements ... The fastest way to move from a character to the ... calculations for moving vertically from one scan to ...

... attribute area is separated from the bitmap data because ... value can hold both X,Y values. Yes: you ... the X axis, but that would limit smooth pixel ... movements.
- The fastest way to move from ... calculations for moving vertically from one scan to ...

Storing the position as an X coordinate (from 0 to 28, in your ... routine, which just works with X/Y coordinates and doesn't have ... to convert your X coordinate to a screen position might look something ...

... m using 32-bit per pixel for RGBA value. Yours ... 8 bits in the 'pixel', if it's set ... value of the backbuffer pixel to the equivalent ink ... get equivalent attribute value for x,y positions of speccy display. ... run this "monitor program" from rom, will it allow me ...

... CALCULATE tree STRING bytes , then make it in a number from which ... again, perhaps start with a X$, Y$ and Z$ for the different ... of the string manipulation dates from when the code used MicroPrint ...

... the player. All have X&Y coords and all entities are ... 're on the same X or Y coord, and in this ... (although it can be read from the picture above) - the ... able to shoot at 32 pixel intervals (although there's an ... and 24 pixels on the Y axis).
So the ...

... of the plot routine come from one of the fine gentlemen ... and the 'gap' calculation comes from our own Dr.Beep.... The ... C,dod3 ;no swap if X>Y
LD H,L ... /> ;--The coords are used to calculate the screen address ------------
;See ...

... noticed that with no input from the player....you could still ... to print the returned value from an RND*8 thing ... br /> 330 INPUT x$
340 IF x$"y" THEN GO TO ... /> 560 INK 6: PRINT AT x,y;"\@"
570 REM the blue ... br /> 670 IF y>18 THEN LET y=y-1
...

... . I took what I learnt from BASin (which in turn was ... - PRINT MOVE x,y;"Hello!" will output at any pixel location, while AT ... of what it can do - from early alpha builds right up ...

... routine to calculate the memory address of any given pixel. [/QUOTE]

LD A,Y-coord
LD C,X ... -coord
CALL #22B0

where Y starts leftupper ...

... the byte address of the pixel? ie. [0,0] [16384 ... br /> 1. X,Y as it works now
2. X,Y like Spectrum ... one picture section to another position. I'm just now ... with the 8x8 separate pixel grid that you can ... colours and the separate pixel grid is definitely a ...

... lower and lower and moves from left to right?[/QUOTE]
vxo : X component of velocity vector. The ... to the right.
vyo : Y component of velocity vector. Initially ... m/s^2
x,y : particle position in each time slice.

... [/url] routine by Chris Pile from YS. It is quite fast ... the shape and the position of the x,y start point.