Mips Technologies R4000 - Page 486

Appendix A
A-18 MIPS R4000 Microprocessor User's Manual
Exceptions:
Coprocessor unusable exception
Opcode Bit Encoding:
BCzF
(continued)
Branch On Coprocessor z False
BCzF
BCzF
000001
31 30 29 28 27 26
Bit #
25
0
BC0F
00001
24 23 22 21
Coprocessor Unit Number
Branch conditionBC sub-opcode
20 19 18 17 16
00000
000011
31 30 29 28 27 26
Bit #
25
0
BC1F
00001
24 23 22 21 20 19 18 17 16
00000
000101
31 30 29 28 27 26
Bit #
25
0
BC2F
00001
24 23 22 21 20 19 18 17 16
00000
Opcode