2 second dword, Second dword – LSI 53C875A User Manual
Page 237
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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 LSI53C875A.
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
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
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