10 REM This program loads a SPECTRUM (SPU) picture file into bank 13 and then displays it by passing the SPU file address and the Screen address to the SPECDEMO machine code program in bank 14 (using the dreg() command) and then calling same. Pressing any key removes the picture.
100 REM ********* THE PROGRAM **********
11 REM You can incorporate the machine code into your own programs by simply typing (load "specdemo.prg",b) in direct mode with the SPECCODE (DEMO VERSION) disk in drive A. - (where "b" is the bank number.)
110 RESERVE
12 REM (Type RUN to see examples)
120 VARNAME
13 REM
130 BLOAD
14 REM A message will appear after every picture you show using SPECDEMO stating that it is the demo version in use.
140 DREG
15 REM The official version of SPECCODE (without the demo message) is available for the price of דô15.00 (inc VAT - add דô2.00 if outside UK) from BLACKWING PUBLISHING (UK) 1 Pepper Street London SE1 OEP.