Sharp MZ-3500 service manual Side =, Aload, 3DSC

Models: MZ-3500

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M/asoo

Track 0, sector 1 information (SBACIS) (Fig 1)

AA ( 1L ' 00

 

 

 

7

1

1

1

i

1

I

'T

—I

 

 

00

02

00

0 4 i

0 0 !

48

'. OO1

4 8

! 041

02

'< Oo!

i

01 ! 01

'

i

 

 

 

 

i

 

i

i

'

i

 

>

>

*

 

 

 

 

I

1

1 1

1 i

I .

;

, ,

 

 

 

 

 

/

M

HF c

IM

1

J v

'

1 r u U S I IM' SJ"L tor N

i

 

 

 

m media

 

 

No, of sectors 1

 

Start address

I

BOOT

SUB IOCS

r

; 10 02 0 1 01 01 10 j FF

i

i

,

No of Track SIDE Sector N No of END

sectorssectors

 

f 0 . Single density, other than front side, track 0.

 

 

 

1 . Double density, other than front side, track 0.

 

 

SIDE =

. Side 0 (front side)

 

 

 

 

 

 

Side 1 (reverse side)

 

 

 

 

 

 

1

 

 

 

 

 

 

No of data transfers INT=[IOCScapacity/1k] +1

 

 

0 track

8 sector

 

 

 

 

 

 

*

78

 

F

10 11

18

 

IF 20

3DSC

7F

 

FF

FF

FI-

FF

FF

FF

FF

FF

 

 

 

 

+

t

 

 

 

 

Volume

 

 

 

Diskette Type

For FLOAD command

 

 

name

 

 

Tr 3Ck No 2

m

SH/DD(M,ni)

 

 

 

 

 

 

 

 

 

 

Track No 1

 

<-C

DH/DD(M.m)

 

 

 

 

 

 

Error Mep (Bad Treck)

 

 

 

 

I Fail name (8 bytes) Expander Volume name

cc M A,r,Ar . .4 (3 bytes) (8 bytes) FF No ALOAD command

80 File specification only

01 With operand

Drive NO

Channel

1

'

A (<•)

1 1

B ( I )

 

 

All "F" when ALOAD command

is not on

ALOAD

Status line No label (8 bytes)

(Sbytes)

Contents of X register

When used for the line number (when line No 1 23) These three bytes are in effect

34 35 36 3b>tesfj$!l

00 01 23

When used for a label (Wight bytes are in effect a n d r e s e a r e )

343C

A B C I) f ?

7 F

- 66 -

Page 61
Image 61
Sharp MZ-3500 service manual Side =, Aload, 3DSC