Laser 128 - Ampersand Command(&)

BASIC COMMANDS AND STATEMENTS
3.1 AMPERSAND COMMAND(&)
Purpose: To jump into a machin e
language comm a nd starting at
hex location $3F5.
Format: &
Comments: A m ac hine lang uage s ubroutine
must be placed at $3F5 be fore
using thi s comm an d, otherwise
an une x pected res ult m ay occur,
which may even des tro y your
program .
Example: ] CALL-151
* 3F5 : 4C 00 C3
* CTRL-C
]&
]
You enter the syste m monit or
program and place a JUMP
machine in s truction at lo ca tion
$3F5. Executing the
AMPERSAND COMMAND will
direct control to address $C300
where th e 80 column di s play
firmw are is loca ted.
11-19