System Control Instructions - Hitachi H8/329 Series Hardware Manual

3.5.7 System Control Instructions

Table 3-10 describes the system control instructions. Figure 3-9 shows their object code formats.
Table 3-10. System Control Instructions
Instruction Size
—
RTE
—
SLEEP
B
LDC
B
STC
B
ANDC
B
ORC
B
XORC
—
NOP
Note: * Size: operand size
B: Byte
Function
Returns from an exception-handling routine.
Causes a transition to the power-down state.
Rs → CCR, #imm → CCR
Moves immediate data or general register contents to the condition code
register.
CCR → Rd
Copies the condition code register to a specified general register.
CCR ∧ #imm → CCR
Logically ANDs the condition code register with immediate data.
CCR ∨ #imm → CCR
Logically ORs the condition code register with immediate data.
CCR ⊕ #imm → CCR
Logically exclusive-ORs the condition code register with immediate
data.
PC + 2 → PC
Only increments the program counter.
49