Load and Store Instructions
5-37
Note:
This bit has no effect unless the Prefetch Enable bit in the
register is set.
LS
Load and Store
24
When this bit is set, the instruction is a Load. When
cleared, it is a Store.
R
Reserved
23
RA[6:0]
Register Address
[22:16]
A[6:0] selects the register to Load and Store to/from
within the LSI53C895A.
R
Reserved
[15:3]
BC
Byte Count
[2:0]
This value is the number of bytes to Load and Store.
5.8.2 Second Dword
Memory I/O Address / DSA Offset
[31:0]
This is the actual memory location of where to Load and
Store, or the offset from the
register value.
31
24 23
16 15
8
7
0
DMA SCRIPTS Pointer Save (DSPS)
Register - Memory I/O Address/DSA Offset
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
Summary of Contents for LSI53C895A
Page 6: ...vi Preface...
Page 16: ...xvi Contents...
Page 222: ...4 114 Registers...
Page 260: ...5 38 SCSI SCRIPTS Instruction Set...
Page 298: ...6 38 Electrical Specifications This page intentionally left blank...
Page 302: ...6 42 Electrical Specifications This page intentionally left blank...
Page 330: ...6 70 Electrical Specifications This page intentionally left blank...
