Figure3.31 load/store instruction, Load/store instruction – Avago Technologies LSI53C1010 User Manual
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3-80
The SCSI SCRIPTS Processor Instruction Set
LOAD instruction. The data will be stored to the SCRATCHA register;
one, two, three, or four bytes may be stored.
The bottom portion of the illustration shows the second 32-bit word of the
instruction, defined by the
command_buffer.
The Block Move instruction
begins transferring data from this address. It is loaded into the DSPS
register.
Figure 3.31 Load/Store Instruction
NASM
Output
Binary
Instruction
Format
1
1 0 0 0 1
0 0 1 1 0 1 0
0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0
1
0
0
DCMD Register
DBC Register
E2340004
00FFFE54
SCSI SCRIPTS
Source Code
STORE NoFlush SCRATCHA0,4, 0xFFFE54
0
0 0 0 0 0
1 1 1 1 1 1 1
1 1 1 1 1 1 1 0 0 1 0 1 0 1 0 0
0
0
1
DSPS Register
Binary
Instruction
Format
0 0FFFE54
(command_buffer)
NASM
Output
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