ORC (inclusive OR Control register)
ORC
<Description>
This instruction ORs the condition code register (CCR) with immediate data and places the
result in the condition code register. Bits 6 and 4 are ORed as well as the flag bits.
No interrupt requests are accepted immediately after this instruction. All interrupts, including
the nonmaskable interrupt (NMI), are deferred until after the next instruction.
<Instruction Formats>
<Operation>
CCR
∨
#IMM
→
CCR
<Assembly-Language Format>
ORC
#xx:8, CCR
<Examples>
ORC #H'80, CCR
<Operand Size>
Byte
<Condition Code>
I: ORed with bit 7 of the immediate data.
H: ORed with bit 5 of the immediate data.
N: ORed with bit 3 of the immediate data.
Z: ORed with bit 2 of the immediate data.
V: ORed with bit 1 of the immediate data.
C: ORed with bit 0 of the immediate data.
I
H
N
Z
V
C
↕
↕
↕
↕
↕
↕
↕
↕
Immediate
ORC
#xx:8, CCR
0
4
IMM
2
Addressing
mode
Mnem.
Operands
1st byte
Instruction code
No. of
states
2nd byte
3rd byte
4th byte
95
Содержание H8/300 Series
Страница 2: ...H8 300 Programming Manual...