System Control Instructions; Table 2.10 System Control Instructions - Renesas H8/3847R Series Hardware Manual

2.5.7

System Control Instructions

Table 2.10 describes the system control instructions. Figure 2.9 shows their object code formats.

Table 2.10 System Control Instructions

Size *
Instruction
RTE —
SLEEP —
LDC B
STC B
ANDC B
ORC B
XORC B
NOP —
Note: * Size: Operand size
B: Byte
Function
Returns from an exception-handling routine
Causes a transition from active mode to a power-down mode. See
section 5, Power-Down Modes, for details.
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
Rev. 6.00 Aug 04, 2006 page 67 of 680
Section 2 CPU
REJ09B0145-0600