Datasheet

60
Table 2.10 Classification of Instructions (cont)
Classification Types
Operation
Code Function
No. of
Instructions
Logic 6 AND Logical AND 14
operations
NOT Bit inversion
OR Logical OR
TAS Memory test and bit set
TST Logical AND and T bit set
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 9 BF Conditional branch, conditional branch with
delay (Branch when T = 0)
11
BT Conditional branch, conditional branch with
delay (Branch when T = 1)
BRA Unconditional branch
BRAF Unconditional branch
BSR Branch to subroutine procedure
BSRF Branch to subroutine procedure
JMP Unconditional branch
JSR Branch to subroutine procedure
RTS Return from subroutine procedure