LSI 53C810A Computer Hardware User Manual


 
Read/Write Instructions 6-25
Figure 6.4 illustrates the register bit values that represent a Read/Write
instruction.
Figure 6.4 Read/Write Register Instruction
31 30
29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
0
31 30
29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
0
DSPS Register
DCMD Register DBC Register
A0
A1
A2
A3
A4
A5
A6
0 (Reserved)
Operator 0
Operator 1
Operator 2
Opcode Bit 0
Opcode Bit 1
Opcode Bit 2
1 - Instruction Type - R/W
0 - Instruction Type - R/W
Immediate Data
Reserved (must be 0)
Register
Address