Commodore RF512C - Page 45

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39

P

ROG

RAM

F

IL

E

BYTE

CO

NT

E

NT

S

0

next track, or zero

indicate

t

ai

l bl

ock

1 next sector

2

low-byte of

load

address

in

start bl

ock

and

program

data

in

ot

hers

3

high-byte of

load

address in start block

and

program

data

in

oth

ers

4 to 255

program'da

ta

and

use three zero for

EOF

S

EQUENTIAL

FIL

E

BYTE

0

1

2 to 255

RELATIVE

FILE

S

IDE

S

ECTOR

BY

TE

0

1

2

3

2s+4

25+5

2b+14

2b+

15

C

ONTENT

S

next tr

ack

or zero indicate tail bl

ock

next sector

fi

le

data

and

use

13

as terminator

C

ONTENT

S

next track

next sector

side sector

no

record length

track of s th side sector

sector

of

s

th

side sector

track of b

th

data

sector

sector

of

b th

data

sector

Where s means side sector; range fr

om

0 to 5

b means

data

block; range from 1 to

120

DATA

SECTOR

BYTE

CONTENTS

0

next track

1

next sector

2 to 255

use

0 to fill

up

a

ll

record

and

pl

ace

255

in

the

firs

t byte of

an

empty records