M7 350?

o Map information

 

 

 

 

 

0 track 9 sector

 

0 track 10 sector

 

/-

x

 

 

 

/

1

/

1 7H

129

FFH

/

2

/

&0H

130

I 71!

/

3

1

FFH

131

FFH

/

22

\

FFH

 

 

 

23

J

4CH

 

 

 

24

 

FFH

151

FFH

128 blocks are controlled

 

by one sector.

 

 

 

152

 

 

 

 

 

OOH-7FH

 

 

 

153

FFH

 

 

 

80H: End of link

 

 

 

 

 

 

 

 

 

 

FEH: Links to next map,

 

 

 

 

 

and the starting

75

1

FFH

 

 

block number.

 

 

 

76iy 7 EH

77/ FFH

\1

\ 126

^

FEH

\ 127

 

FFH

\128

 

FFH

Indicates the byte position

• from the top of directory.

25

29

30

31

32

01 00 02 01

FF FF FF FF H

MAPNa

Block NO

Starting block number (directory)

- 67 -

Page 62
Image 62
Sharp MZ-3500 76 iy 7 EH 77 / FFH, 128, Track 10 sector, Indicates the byte position From the top of directory