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Commodore 128D - Page 389

Commodore 128D
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u
COMMAND:
H
PURPOSE:
Hunt
through
memory
within
a
specified
range
for
all
<
>
occurrences
of
a
set
of
bytes.
<—'
SYNTAX:
H
(address
1
>
(address
2)
<data>
(address
1
>
Beginning
address
of
hunt
£_j
procedure,
(address
2) Ending
address
of
hunt
procedure,
(data)
Data
set
to
search
for
data
may
be
hexadecimal
or
an
ASCII
string.
EXAMPLE:
HA000A101
A9FF4C
Search
for
data $A9,
$FF,
$4C,
fromA000toA101.
H
2000
9800'CASH
Search
for
the
alpha
string
"CASH"
in
bank
0.
COMMAND:
J
PURPOSE:
Call
JSR,
a
machine
language
subroutine
SYNTAX:
J
(address)
The
JSR
command
directs
program
control
to
the
machine
language
subroutine
located
at
the
specified
address.
The
JSR
8502
instruc
tion
is
comparable
to
the
J
monitor
instruction.
To
return
to
monitor
mode
after
executing,
the
subroutine
must
terminate
with
an
RTS
instruction.
EXAMPLE:
J2000
Call
JSR
to
the
subroutine
starting
at
$2000
in
bank
0.
COMMAND:
L
PURPOSE:
Load
a
file
from
cassette
or
disk.
SYNTAX:
L
("file
name")[,(device)
[,alt
load
address]]
("file
name")
Any
legal
Commodore
128
file
name,
(device)
A
number
indicating
the
device
to
load
from.
1
is
cassette.
8
is
disk
(or
9,
A,
etc.).
[alt
load
address]
Option
to
load
a
file
to
a
speci
fied
address.
384
APPENDIX
J—Machine
Language
Monitor

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