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Commodore RF512C - Auto; B-A (Block-Allocate)

Commodore RF512C
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21
AUTO
Function
This
is a rarely used d
ir
ec
t
co
m
man<:J.
It loads the
Format
mach
in
e pr
ogram
from an
us
er file into the drive
and
then execute it
as
function
RU
N does in
BASIC.
& is the mnemonic of such
command
.
I
BASIC
st
ri
ngS
= "& fil
ename
"
Syntax Remeber,
th
ere h
as
no single ins
tr
uc
ti
on in
BASIC
for
execu
ti
on.
The filen
ame
mus
t
be
a string
(i.e.
should
be
name
of user file).
Ex
ampl
e:
Few
lines of
command
isn't
enough to implement
this
ATUO
command.
Create
an
use
r f
il
e in
AUTO
fil
e format.
Th
en execute
your dri
ve
pr
ogram
with &.
B-A
(BlOCK-
ALlOCATE)
Function
This
direct command
can
make specific block mark
as "
in
use" to avoid overwritten.
Format
I
BASIC
stringS = "
B-A"
;drive .. ;tr
ack
";
block"
Syntax Th
is
comm
a
nd
must
be
sen
t through
command
channel.
The drive" is alwa
ys
zero
in
sin
gle drive
system.
The r
ang
e of track"
and
block# please refer to
PRI
N
CIPLES
.