Thanks to Wouter Scholten for these images of an Acorn Atom. Thanks also for the info with the pictures

Hardware:

BBC and Atom modes:

Somewhat crappy images due to my camera which doesn't work well photographing computer screens (no-flash mode)




Note that in Atom mode, one needs to use FPRINT to print floating point numbers, and that REPORT only works for the BBC mode (The standard Atom doesn't have REPORT)..

Manuals

Games:

Snapper, asteroids and astrobirds:

Mixing text/graphics with AXR1's GRMOD:

No, you can't normally do that on an Atom...

ROM alternative:

Alternatively, PCHARME ROM:
AUTO
BEEP
BSAVE (as SAVE but now you can load a Basic program by *RUN ing it)
CASE, OF, CEND
CAT (list all programs with a PROGRAM header in memeory)
CONT (continue)
COPY (copy a block of RAM to another location)
COS <0|1> (COS 1 sets 1200 baud, COS 0 sets 300 baud)
DATA
DEL (delete lines from a Basic program)
ELSE
EVEN (TRUE if the number is even)
FALSE (0)
TRUE (1)
FEND (function end)
FUNCTION
HEX (hexdump)
HTAB (horizontal tab)
ICOPY (copy a block of RAM to another location, allows overlapping locations)
INKEY (wait until a key is pressed)
INSTR (substring check)
KEY (scan keyboard)
NOT
ODD (TRUE if number is odd)
ON ERROR (error handling as on the BBC)
ON GOSUB
ON GOTO
PAUSE
PEND (procedure end)
POP (remove return address from GOSUB stack)
PROC (procedure)
PROGRAM (use this at the start of a program and various things get intialised...)
READ
RENUM
RESTORE
TRUE
VAR (list all variables A-Z with their values)
VTAB (vertical tab)
WHILE, WEND (loop)
XIF (expanded if)
ZERO (set variables A-Z to zero)

List of games on a tape (1200 baud for quick loading!):

AMOEBA Not sure how to play this one.
ASTEROIDS Pretty difficult asteroids version.
ASTROBIRDS Like Swoop on the BBC computer, but no eggs. Difficult. Good sound.
BABIES Bouncing babies, starts of easy but then...
BALLISTICS Shooting over a hill.
BLACK BOX Can't say much about this, haven't really played it. Same as black box on the BBC computer app arantly.
BREAKOUT Quite smooth.
DODGEMS
DOGFIGHT Excellent super smooth 2 player game, like dogfight on the BBC computer.
FRUITMACHINE Not very exciting.
GALAXIAN Looks a LOT like ASTROBIRDS, but starts with 2 nasties. Difficult.
GOMOKU
GREEN THINGS Adventure
LANDER Moon lander type game
MASTERMIND
MINOTAUR 3D maze
RAT TRAP good 2 player game, each player tries to enclose the other.
REVERSI
ROBOTS
SACEINVADERS Space invaders. Quite good to play, good sound.
SIMON
SNAKE
SNAPPER Fast, difficult, excellent sound for an Atom game...
STAR TREK
STARGATE Looks a bit like "Alien dropout" on the BBC computer. Fast and furious game.
WUMPUS
ZOMBIE
LUNAR LANDER
U BOOT
LAS VEGAS
BOWLEN