NEC PD78212 User Manual page 444

(14) CPU control instructions: MOV, SEL, NOP, EI, DI
Mnemonic
MOV STBC, #byte
SEL RBn
NOP
EI
DI
No. of
Operand
bytes
STBC ← byte
4
RBS1 – 0 ← n, n = 0 – 3
2
1 No operation
IE ← 1 (Enable interrupts)
1
IE ← 0 (Disable interrupts)
1
Chapter 18 Instruction Operations
Operation
Flags
Z AC CY
18
415