ZX Computings - OpenLibra

Q8 DEFENDER.
trp DOWN THRUST-FIRE
First and onJy ftill screen display
Software to drive QS SOUND BD
Moving Planetary surface. Up to
84 fast moving characters on
screen at once On screen scoring
Ten missiles at once Increasing
attack patterns Requires 8K
ROM. and 4K mln of RAM £>5.50.
Q6 SOUND BD.
A programmable sound effects
board using the AY-3-8910 3
TONES. 1 NOISE, ENVELOPE
SHAPE R • TWO 8 BIT I/O PORTS
Easily programmable from
BASIC, the AY chip does most of
the work leaving your computer
free for other things Signal 0/P
via 3 6 mm Jack socket Ports 0/P
via a 16 pin I.C Socket A86.00.
Q8CHBSBD./
A programmable character
generator givmg 128 SEP-
ARATELY PROGRAMMABLE
CHARACTERS ON/OFF .TWITCH
IK ON BOARD RAM Enables
creation and display of your own
characters to screen or printer
Demo cassette of fast machine
code operation routines and lower
case alphabet included See below
for ZX PRINTER listing A26.00.
Q 5 - LOUCR c«se
i b cd « « 9 h • jtninoMrnuvux^i
Special offers & news
Q8 INVADERS.
LEFT RIGHT FIRE
13x7 INVADERS; High score; 3
levels of play. RND saucers; Bonus
base. Drives Sound bd fifCHRS bd
Requi res 7K RAM. 8K ROM v Slow
4B.80.
Q8 HI RES BD.
A Hi - res graphics board g: /ing
256 x 192 PIXELS 6K ON BD
RAM SOFTWARE SELECT/
DESELECT MIXED TEXT AND
GRAPHICS 2K ON BOARD ROM
Resident fast machine code
graphics software (in ROM)
provides the following HI RES
Commands MOVE x.y. PLOTx.
y. DRAW x.y; BOX x.y, UP, DOWN
LEFT. RIGHT. PRINT A«, SCROLL;
BLACK. WHITE CLEAR COPY See
above for ZX PRINTER listings
using COPY £85.00.
(1)QS Mother bd + connector ^CHRS bd. • The special Graphics version of
ARCTIC COMPUTING'S ZX CHESS II. A48.00.
The strongest chess program with 7 levels of play
(3) QS MOTHER BD * CONNECTOR + either SOUND or CHRfbd A40.00.
We will be at the following shows Come and see us
THE COMPUTER FAIR, Earls Court, 23rd to 88th April
3rd ZX MICROFAIR, Central Hall, Westminster.
30th April & 1st May
Q8 ASTEROIDS
LEFT RIGHT THRUST FIRE
Software to drive QS SOUND BD
Multiple missiles firing in 8
directions On screen scoring
Increasing number of asteroids
Full mobility of ship to all areas of
the screen Two asteroid sizes
Bonus ship at 10,000 points
Requires 8K ROM. 4Kmin of RAM
+ SLOW function A8.BO.
Q8 3K RAM Bd.
An extremely reliable static RAM
Bd which combines with the
computer's memory to give 4K
total Plugs direct in to the rear
port on your ZX Computer
£18.00.
QB MOTHER BOARD BD. & Q8
CONNECTOR.
A reliable expansion system
allowing a total of any RAM pack
plus twoother plug in boards to be
in use at once On board SV
regulator drives all external
boards Fitted with two 23 way
double sided edge connectors
Connector is 2 x 23 way edge
conns soldered back to back
Expansion can operate in two
ways - < 1 ) COMPUTER —
CONNECTOR — Any QS add on bd
(but no extra RAM pack > (2)
COMPUTER — CONNECTOR
MOTHER BD — ANY RAM PACK
(2bdstofltm mother bd 1 Mother
board A1 a.OOConnector A4.00.
• r .
POSTAL AND MONEY ORDERS TO: / ALL PRODUCTS FULLY GUARANTED.
QUICKSILVA: 98, UPPER B K P W H I L L RD. : MAYBU8H : SOTON : HANTS : E N G L A N D
Please state Type of machine. Which ROM, Memory si/.J, when ordering