Figure3.11 move format, Move format – Avago Technologies LSI53C1010 User Manual
Page 83
Instruction Descriptions
3-43
Example
MOVE FROM dev_1, WITH MSG_IN
MOVE 6, cmd_buf, WHEN CMD
FROM
Indicates the table indirect addressing mode.
Note: FROM and PTR must not be used in the same
instruction.
count
A 24-bit number indicating the number of bytes being
transferred.
PTR
Sets the indirect bit if present, it is cleared otherwise.
Note: Do not use PTR and FROM in the same instruction
address
A 32-bit starting address of the data in memory.
WITH/WHEN
Sets the mode for the device; WITH for target mode and
WHEN for initiator mode.
Phase
Specifies the Message, Command/Data, and Input/Output bit
values that identify the SCSI phase in the instruction. The
desired phase value is compared with the actual values of the
SCSI phase lines before the SCRIPTS processor performs the
instruction. This field is only valid for the initiator mode and
should not be used in the target mode.
Figure 3.11 MOVE Format
31
30
29
28
27
26
24 23
0
DCMD Register
DBC Register
Instr Type Indirect
Table
Indirect
Opcode
SCSI
Phase
Byte Count
0
0
x
x
x
x x x x
x
x
x
x
x
x
x
x
x x x x x x x x x x x x x x x
31
0
DSPS Register
Destination Address
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x