Filter
Top Products
4.10.14 SOUND:
The sound commands are unique to the AMSTRAD implementation of Dr. LOGO and
are similar to their AMSTRAD BASIC counterparts.
Refer to Chapter 6 of the CPC464 User Instructions for further information.
sound puts a sound into the sound queue. The format is : [<channel-status> <tone-
period> <duration> <volume> <volume-envelope> <tone-envelope> <noise-period>]
The parameters after duration are optional.
?sound [1 20 50]
env
Set up a volume envelope. The format is: [<envelope-number> envelope-section(s)>]
?env[l 100 2 20]
?sound[l 200 300 5 1]
ent
Set up a tone envelope. The format is: [<envelope-number> <envelope-section(s)>]
?ent [l 100 2 20]
?sound [1 200 300 5 1 1]
Release
Releases sound channels that have been set to a hold state in a sound command. The
channels to release are indicated as follows:
Input value Channels released.
0 None
1 A
2 B
3 B and A
4 C
5 C and A
6 C and B
7 C and B and A
?release 1
4.10.15 FLOW OF CONTROL:
bye
Exits the current session of Dr. Logo.
?bye
co
Ends a pause caused by pause,a [CTRL]Z or ERRACT
?co
Chapter 4.21 AMSTRAD Disc Drive & Interface DDI-1 Manual