Manual background

7

SCSI PACKETS

+$0C

 

 

Number of Blocks

 

 

 

 

 

 

 

 

 

 

+$0E

0

 

0

 

0

 

0

 

 

 

 

 

 

 

 

+$10

0

 

0

 

0

 

0

 

 

 

 

 

 

 

 

+$12

0

 

0

 

0

 

0

 

 

 

 

 

 

 

+$14

0

 

0

 

Function Code (58)

 

 

 

 

 

 

 

 

+$16

Interrupt Level

 

 

 

Vector Number

 

 

 

 

 

+$18

Status Byte 2

 

 

Status Byte 3 (Note 1)

 

 

 

 

 

 

 

 

$00

00000xxx

 

 

 

Controller logical unit

 

 

 

 

 

 

number

$01

00000xxx

 

 

 

Device logical unit

 

 

 

 

 

 

number

$02

xxxxxxxx

 

 

 

Status from SCSI

 

 

 

 

 

 

firmware (byte 0)

 

 

 

 

 

 

(Note 1)

$03

xxxxxxxx

 

 

 

Status from SCSI

 

 

 

 

 

 

firmware (byte 1)

 

 

 

 

 

 

(Note 1)

$04

xxxxxxxx

xxxxxxxx

 

Memory address

 

 

 

 

 

 

(MSW)

$06

xxxxxxxx

xxxxxxxx

 

Memory address

 

 

 

 

 

 

(LSW)

$08

00000000

 

00000000

 

Reserved

$0A

00000000

 

00000000

 

Reserved

$0C

xxxxxxxx

xxxxxxxx

 

Number of blocks

$0E

00000000

 

00000000

 

Reserved

$10

00000000

 

00000000

 

Reserved

$12

00000000

 

00000000

 

Reserved

$14

00000000

 

 

 

 

Reserved

$15

01011000

 

 

 

 

SCSI function ($58 =

 

 

 

 

 

 

recover buffer data)

$16

000000xx

 

 

 

Interrupt level (7

 

 

 

 

 

 

through 0) (0 = polled

 

 

 

 

 

 

mode)

$17

xxxxxxxx

 

 

 

Vector number to use

 

 

 

 

 

 

upon return

7-62

Page 142
Image 142
Emerson MVME147 manual +$0C