Sinclair QL User Manual

CLEAR
comment
CLOSE
devices
CLEAR will clear out the SuperBASIC variable area for the current program and will
release the space for Odos.
syntax: CLEAR
example:
CLEAR
CLEAR can be used to restore to a known state the SuperBASIC system. For example,
if a program is broken into (or stops due to an error) while It is in a procedure then
SuperBASIC
is still In the procedure even after the program has stopped. CLEAR will
reset the SuperBASIC (See CONTINUE, RETRY.)
CLOSE
will close the specified channel. Any window associated with the channel will
be deactivated.
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8
syntax:
example:
channel: ~ #numenc_expresslon
CLOSE channel
I. CLOSE #4
Ii. CLOSE #;nput_channeL
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Sinclair QL Specifications

General

Processor	Motorola 68008
Clock Speed	7.5 MHz
RAM	128 KB (expandable to 640 KB)
ROM	48 KB
Operating System	Sinclair QDOS
Release Year	1984
Storage	Microdrive tape loop
Graphics	256x256 pixels, 8 colors
Ports	RS-232, ROM cartridge
Sound	Beeper (internal speaker)