Logic Operations; Shift Operations - Hitachi HD6473867 Hardware Manual

2.5.3 Logic Operations

Table 2-6 describes the four instructions that perform logic operations.
Table 2-6 Logic Operation Instructions
Instruction Size *
AND B
OR B
XOR B
NOT B
Notes: * Size: Operand size
B: Byte

2.5.4 Shift Operations

Table 2-7 describes the eight shift instructions.
Table 2-7 Shift Instructions
*
Instruction Size
SHAL B
SHAR
SHLL B
SHLR
ROTL B
ROTR
ROTXL B
ROTXR
Notes: * Size: Operand size
B: Byte
Function
Rd ∧ Rs → Rd, Rd ∧ #IMM → Rd
Performs a logical AND operation on a general register and another
general register or immediate data
Rd ∨ Rs → Rd, Rd ∨ #IMM → Rd
Performs a logical OR operation on a general register and another
general register or immediate data
Rd ⊕ Rs → Rd, Rd ⊕ #IMM → Rd
Performs a logical exclusive OR operation on a general register and
another general register or immediate data
~ Rd → Rd
Obtains the one's complement (logical complement) of general register
contents
Function
Rd shift → Rd
Performs an arithmetic shift operation on general register contents
Rd shift → Rd
Performs a logical shift operation on general register contents
Rd rotate → Rd
Rotates general register contents
Rd rotate through carry → Rd
Rotates general register contents through the C (carry) bit
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