10 REM ******************************** 20 REM 30 REM PROGRAM PROTECTION DEMONSTRATIONS 40 REM (C) 1991-1997 SEAN MCMANUS 50 REM 60 REM ******************************** 70 REM This program contains protection 80 REM demonstrations written 1991-1993 90 REM including those written for The 100 REM Basic Idea, a book and disc 110 REM tutorial published 1993 by 120 REM Campursoft. For a copy of the 130 REM book's text, send a formatted PC 140 REM disc and SAE to: Sean McManus, 150 REM 226 Chertsey Rise, Stevenage, 160 REM Herts, SG2 9JQ, UK. 170 REM This program compiled 22 Nov 97 180 REM 190 REM With thanks to everyone who 200 REM made CPC computing as much fun 210 REM as it was and to those who 220 REM continue to support it 230 REM ******************************** 240 REM 320 ' THE PROTECTION RACKET DEMO 1 - Password routine 330 ' (C) 1991 Sean McManus 340 ' You might like to try adapting this 350 ' routine to use the input bit for a hiscore table 360 ' 500 ' THE PROTECTION RACKET DEMO II - Encryption demonstration 510 ' (C) 1991 Sean McManus 520 ' 670 ' THE PROTECTION RACKET DEMO III - Multiface protection 680 ' (C) 1991 Sean McManus 690 '