32
Table 2.10 Classification of Instructions (cont)
Classifi-
cation Types
Operation
Code Function
Number of
Instructions
Logic oper- 6 TST Logical AND and T bit set 14
ations
(cont)
XOR Exclusive OR
Shift 10 ROTL One-bit left rotation 14
ROTR One-bit right rotation
ROTCL One-bit left rotation with T bit
ROTCR One-bit right rotation with T bit
SHAL One-bit arithmetic left shift
SHAR One-bit arithmetic right shift
SHLL One-bit logical left shift
SHLLn n-bit logical left shift
SHLR One-bit logical right shift
SHLRn n-bit logical right shift
Branch 7 BF Conditional branch (T = 0) 7
BT Conditional branch (T = 1)
BRA Unconditional branch
BSR Branch to subroutine procedure
JMP Unconditional branch
JSR Branch to subroutine procedure
RTS Return from subroutine procedure
System 11 CLRT T bit clear 31
control
CLRMAC MAC register clear
LDC Load to control register
LDS Load to system register
NOP No operation
RTE Return from exception handling
SETT T bit set
SLEEP Shift into power-down mode
STC Store control register data
STS Store system register data
TRAPA Trap exception handling
Total 56 133
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