NEC PD78212 User Manual page 442

(10) Call/return instructions: CALL, CALLF, CALLT, BRK, RET, RETI, RETB
Mnemonic
CALL !addr16
rp
CALLF !addr11
CALLT [addr5]
BRK
RET
RETI
RETB
(11) Stack manipulation instructions: PUSH, POP, MOVW, INCW, DECW
Mnemonic
PUSH PSW
sfr
rp
POP PSW
sfr
rp
MOVW SP, #word
SP, AX
AX, SP
INCW SP
DECW SP
(12) Unconditional branch instruction: BR
Mnemonic
BR !addr16
rp1
$ addr16
No. of
Operand
bytes
(SP – 1) ← (PC + 3)
3
PC ← addr16, SP ← SP – 2
(SP – 1) ← (PC + 2)
2
PC
H
(SP – 1) ← (PC + 2)
2
PC
15-11
(SP – 1) ← (PC + 1)
1
PC
H
PC
L
(SP – 1) ← PSW, (SP – 2) ← (PC + 1)
1
(SP – 3) ← (PC + 1)
PC
H
1 PC
L
1 PC
L
SP ← (SP + 3), NMIS ← 0
1 PC
L
SP ← (SP + 3)
No. of
Operand
bytes
(SP – 1) ← PSW, SP ← SP – 1
1
(SP – 1) ← sfr, SP ← SP – 1
2
(SP – 1) ← rp
1
PSW ← (SP), SP ← SP + 1
1
sfr ← (SP), SP ← SP + 1
2
1 rp
L
SP ← word
4
SP ← AX
2
AX ← SP
2
SP ← SP + 1
2
SP ← SP – 1
2
No. of
Operand
bytes
PC ← addr16
3
2 PC
H
PC ← PC + 2 + jdisp8
2
Chapter 18 Instruction Operations
Operation
, (SP – 2) ← (PC + 3)
H
, (SP – 2) ← (PC + 2)
H
← rp ← rp , SP ← SP – 2
, PC
H L L
, (SP – 2) ← (PC + 2)
H
← 00001, PC ← addr11, SP ← SP – 2
10-0
, (SP – 2) ← (PC + 1)
H
← (00000000, addr5 + 1),
← (00000000, addr5), SP ← SP – 2
← (003EH),
, PC
L L
← (003FH), SP ← SP – 3, IE ← 0
← (SP), PC ← (SP + 1), SP ← SP + 2
H
← (SP), PC ← PSW ← (SP + 2),
H
← (SP), PC ← PSW ← (SP + 2),
H
Operation
, (SP – 2) ← rp , SP ← SP – 2
H L
← (SP), rp ← (SP + 1), SP ← SP + 2
H
Operation
← rp ← rp
, PC
H L L
Flags
Z AC CY
,
L
,
L
,
L
,
L
H
R R R
R R R
Flags
Z AC CY
R R R
Flags
Z AC CY
18
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