THE THIRD DIMENSION

A few people have expressed an interest in the different picture 
file screen resolutions and colours that are available for each 
computer.Here follows a list of the information that i have.If 
you can add more then please write in.This is by no means a 
complete listing.

ATARI-                pixels        colours from  colour palette          

STE-low resolution-   32Ox2OO           16            4O96
STFM-low resolution-  320.200           16             512 
medium resolution-    640x200            4             4     
high resolution-      640x4OO            2             2

Note that the Atari can use 512 colours in low res from 4096 
using Spectrum 512 format software and many thousands of colours 
on screen using Photochrome software.

ATARI FALCON-

VGA          640x480       256 colour
TRUE COLOUR  440x400
TRUE COLOUR  16 bit mode   65,536 colours from 262,144
OVERSCAN     768x480
( Thanks to Robin Ball for the Falcon info )

AMIGA-A500/A600/A1500  pixels          colours     colour palette

low res-              320x256            32            4096
low res laced         350x512            32            4096
high res              640x256            16            4096
high res laced        640x512            16            4096
extra halfbrite       320x256            64            4096                         
extra halfbrite laced 320x512            64            4096
HAM                   320x256            4096          4096
HAM laced             320x512            4096          4096
super high res        1280x256           4             64
super high res laced  1280x512           4             64

AMIGA A1200                              colours   colour palette

All the screen pixel sizes above with    256,OOO      16 Million.
AA HAM MODE(various res.upto) 128Ox512   262,144      262,144 

PC COMPUTERS
PC's cover a massive range of types but here are a few common 
resolutions.

PC286 

upto 640x480 res     256 colours from 250,000 

PC386SX

upto 1024x768 res    256 colours from 250.000

PC486dx2 

upto 1024x768 res    256 colours

Please note that there are a lot more resolutions etc for the 
PC's available and colours range from mono to millions and True 
24 bit colour etc covering EGA,VGA and Super VGA etc.