JRS SOFTWARE
Posted: Sat Nov 26, 2022 10:59 pm
After having my interest piqued by the Interface magazine thread, i've been digging into JRS advertisement seen on page 20
Dunno how good these games were but the advertising copy text is superb!
19 WAYSIDE AVENUE, WORTHING, SUSSEX, BN13 3JU
TELEPHONE WORTHING 65691 (Evenings and Weekends only)
Today in 2022 this address is a residential apartment building, so perhaps JRS was a side business back in the day -- that would explain the "evenings and weekends only" blurb
Dunno how good these games were but the advertising copy text is superb!
JRS SOFTWAREZX80 JRS SOFTWARE ZX81
19 WAYSIDE AVENUE, WORTHING, SUSSEX, BN13 3JU
TELEPHONE WORTHING 65691 (Evenings and Weekends only)
ZX81 - SLALOM (16K RAM PACK REQD.) *NOW ENCHANCED*
Slalom events always draw great crowds to the ski resorts and the T.V. cameras are never far behind. Now the skier on your T.V. screen is directly under your control and his success in negotiating the slalom posts and achieving a fast time relies entirely on your skill with the ZX81 keys.
ZX81 - BLACK HOLES (16K RAM PACK REQD.) *NOW ENCHANCED*
Your starship is in an unknown galaxy consisting entirely of back holes which continually threaten to swallow you. Your skill at the controls and your ability to look and think many moves ahead is the only thing that stands between you and destruction. How long can you survive?
BOTH programs on one cassette £4.95
NEW - An ESSENTIAL addition to your 1K RAM ZX81 (or ZX81 8K ROM)
TOOLKIT (written by PAUL HOLMES)
Provides the following additional facilities:
Line renumber - you state starting number and increment value.
Seach and replace - changes every occurence of a character as you require.
Free space - tells you how many free bytes you have left.
SPECIAL GRAPHICS ROUTINES
Hyper graphics mode - graphics never seen on a ZX81 before.
Open - instantly sets up as many empty print lines as you require.
Fill - used in conjunction with OPEN fills your screen instantly with your specified character.
Reverse - changes each character on your screen to its inverse video.
TAPE ROUTINE - provides a system WAIT condition until a signal is received in the cassette ear jack - many uses!
All these routines are written in machine code and together take up only 16 BYTES of your precious RAM - an incredible achievement!
The price is incredible too! ONLY £3.95 for cassette, including FULL instructions and example programs:
ALSO available 16K version ONLY £4.95 which includes all the above PLUS:
GOTO's an GOSUB's included in line renumber.
Search for and list every line containing specified character.
16K RAM pack WHY PAY MORE! £35
black case, fully tested and guaranteed
(please allow 14 days for delivery)
Full refund is not delighted.
OVERSEAS CUSTOMERS PLEASE NOTE Payment must be made in Sterling by International Money Order (available at your bank). Please add 50 pence to cover overseas postage. (£2 RAM pack).
19 WAYSIDE AVENUE, WORTHING, SUSSEX, BN13 3JU
TELEPHONE WORTHING 65691 (Evenings and Weekends only)
Today in 2022 this address is a residential apartment building, so perhaps JRS was a side business back in the day -- that would explain the "evenings and weekends only" blurb
Wow!Slalom events always draw great crowds to the ski resorts and the T.V. cameras are never far behind. Now the skier on your T.V. screen is directly under your control and his success in negotiating the slalom posts and achieving a fast time relies entirely on your skill with the ZX81 keys.