NEC PD754244 Network Card User Manual


 
CHAPTER 11 INSTRUCTION SET
253
User’s Manual U10676EJ3V0UM
Opcode
B1 B2 B3
Branch BR !addr 1010101100 addr
$addr1 0000A3 A2 A1 A0
1111S3 S2 S1 S0
PCDE 1001100100000100
PCXA 1001100100000000
BCDE 1001100100000101
BCXA 1001100100000001
BRA !addr1 101110100 addr1
BRCB !caddr 0101 caddr
CALLA !addr1 101110110 addr1
CALL !addr 1010101101 addr
CALLF !faddr 01000 faddr
RET 11101110
RETS 11100000
RETI 11101111
PUSH rp 01001P2 P1 1
BS 1001100100000111
POP rp 01001P2 P1 0
BS 1001100100000110
EI 1001110110110010
IE××× 1001110110N5 11N2 N1 N0
DI 1001110010110010
IE××× 1001110010N5 11N2 N1 N0
I/O IN A, PORTn 101000111111N3 N2 N1 N0
OUT PORTn, A 100100111111N3 N2 N1 N0
CPU control HALT 1001110110100011
STOP 1001110110110011
NOP 01100000
Special SEL RBn 10011001001000N1 N0
MBn 100110010001N3 N2 N1 N0
GETI taddr 0 0 T5 T4 T3 T2 T1 T0
Instruction Mnemonic Operand
(+16)
(+2)
(–1)
(–15)
~
~
Subrou-
tine/stack
control
Interrupt
control