Sinclair QL User Manual

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EOF is a function which will determine If an end of file condition has been reached
on a specified channel.
If EOF IS used without a channel specification then EOF will
determine if the end of a program's embedded data statements has been reached.
syntax: EOF
[(channe01
example: i. IF EOF (#6) THEN STOP
ii. IF EOF THEN PRINT "Out of data"
EOF
devices
EXEC and EXEC_ W will load a sequence of programs and execute them in parallel.
EXEC
will return to the command processor aher all processes have started execution,
EXEC_W will walt until all the processes have terminated before returning.
syntax:
program: ~device [used to specify a Mlcrodrive file containing the
program)
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example:
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EXEC program
I. EXEC mdv1 communcat; ens
ii. EXEC_W mdv1 printer_process
EXEC
EXEC_W
ados
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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)