NEC uPD78P078 User Manual
Page 590
590
CHAPTER 28 INSTRUCTION SET
Instruction
Mnemonic
Operands
Byte
Clock
Operation
Flag
Group
Note 1
Note 2
Z AC CY
Call /
CALL
!addr16
3
7
—
(SP – 1)
←
(PC + 3)
H
, (SP - 2)
←
(PC + 3)
L
,
return
PC
←
addr16, SP
←
SP – 2
CALLF
!addr11
2
5
—
(SP – 1)
←
(PC + 2)
H
, (SP – 2)
←
(PC + 2)
L
,
PC
15 - 11
←
00001, PC
10 - 0
←
addr11,
SP
←
SP – 2
CALLT
[addr5]
1
6
—
(SP – 1)
←
(PC + 1)
H
, (SP – 2)
←
(PC + 1)
L
,
PC
H
←
(00000000, addr5 + 1),
PC
L
←
(00000000, addr5),
SP
←
SP – 2
BRK
1
6
—
(SP – 1)
←
PSW, (SP – 2)
←
(PC + 1)
H
,
(SP – 3)
←
(PC + 1)
L
, PC
H
←
(003FH),
PC
L
←
(003EH), SP
←
SP – 3, IE
←
0
RET
1
6
—
PC
H
←
(SP + 1), PC
L
←
(SP),
SP
←
SP + 2
RETI
1
6
—
PC
H
←
(SP + 1), PC
L
←
(SP),
R
R
R
PSW
←
(SP + 2), SP
←
SP + 3,
NMIS
←
0
RETB
1
6
—
PC
H
←
(SP + 1), PC
L
←
(SP),
R
R
R
PSW
←
(SP + 2), SP
←
SP + 3
Stack
PUSH
PSW
1
2
—
(SP – 1)
←
PSW, SP
←
SP – 1
manipulate
rp
1
4
—
(SP – 1)
←
rp
H
, (SP – 2)
←
rp
L
,
SP
←
SP – 2
POP
PSW
1
2
—
PSW
←
(SP), SP
←
SP + 1
R
R
R
rp
1
4
—
rp
H
←
(SP + 1), rp
L
←
(SP),
SP
←
SP + 2
MOVW
SP, #word
4
—
10
SP
←
word
SP, AX
2
—
8
SP
←
AX
AX, SP
2
—
8
AX
←
SP
Uncondi-
BR
!addr16
3
6
—
PC
←
addr16
tional
$addr16
2
6
—
PC
←
PC + 2 + jdisp8
branch
AX
2
8
—
PC
H
←
A, PC
L
←
X
Conditional
BC
$addr16
2
6
—
PC
←
PC + 2 + jdisp8 if CY = 1
branch
BNC
$addr16
2
6
—
PC
←
PC + 2 + jdisp8 if CY = 0
BZ
$addr16
2
6
—
PC
←
PC + 2 + jdisp8 if Z = 1
BNZ
$addr16
2
6
—
PC
←
PC + 2 + jdisp8 if Z = 0
Notes 1. For instructions that access the internal high-speed RAM area or perform no data access
2. For instructions that access an area other than the internal high-speed RAM area
Remarks 1. One clock in the “Clock” columns is equal to one cycle of the CPU clock (f
CPU
) selected by the processor
clock control register (PCC).
2. The values in the “Clock” column assumes that the internal ROM area contains programs.