$4 Copyright (C) 1988 Level 9 Computing.
$4 
$4 Choose the type of display you are
$4 using and the screen format you want
$4 from the following list:
$4 
$4 A. Monochrome Display Adaptor.
$4 B. CGA text-only (40 column).
$4 C. CGA text-only (80 column).
$4 D. MGA black and white pictures.
$4 E. MGA pictures (faster).
$4 F. EGA colour pictures.
$4 G. EGA pictures (fast).
$4 H. EGA pictures (faster).
$1 D. CGA colour pictures (40 column).
$1 E. CGA colour pictures (80 column).
$4 E. Amstrad 1512
$4 H. Amstrad 1640
$4 
$4 Type a letter followed by RETURN to
$4 select the display format:
$5 A 07 0 0 00
$5 B 01 0 0 00
$5 C 03 0 0 00
$5 D 06 1 0 00
$5 E 06 1 1 00
$5 F 16 2 0 30
$5 G 16 2 1 30
$5 H 16 2 2 30
$5 I 01 1 3 00
$5 J 03 1 3 00
$7 00 99 99 99 99 99 99 07 99 99 99 99 99 99 46 55
$2 

