NEC mPD784225 Series User Manual page 552

(2) 16-bit instructions (The values enclosed by parentheses are combined to express AX description as rp.)
MOVM, XCHW, ADDW, SUBW, CMPW, MULUW, MULW, DIVUX, INCW, DECW, SHRW, SHLW, PUSH, POP,
ADDWG, SUBWG, PUSHU, POPU, MOVTBLW, MACW, MACSW, SACW
Second #word
operand
First operand
AX (MOVW)
Note 1
ADDW
rp MOVW
Note 1
ADDW
saddrp MOVW
Note 1
ADDW
sfrp MOVW
Note 1
ADDW
!addr16 MOVW
!!addr24
mem
[saddrp]
[%saddrg]
PSW
SP ADDWG
SUBWG
post
[TDE+]
byte
Notes 1. SUBW and CMPW are identical to ADDW.
2. There is no second operand, or the second operand is not an operand address.
3. When saddrp is saddrp2 in this combination, this is a short code length instruction.
4. MULUW and DIVUX are identical to MULW.
552
CHAPTER 28 INSTRUCTION OPERATION
Table 28-2. 16-Bit Addressing Instructions
AX rp saddrp
rp' saddrp'
Note 3
(MOVW) (MOVW) (MOVW) MOVW
Note 3
(XCHW) (XCHW) (XCHW) (XCHW)
Note 1 Note 1 Notes 1, 3
(ADD) (ADDW) (ADDW) (ADDW)
(MOVW) MOVW MOVW MOVW
(XCHW) XCHW XCHW XCHW
Note 1 Note 1 Note 1
(ADDW) ADDW ADDW ADDW
Note 3
(MOVW) MOVW MOVW
Note 1 Note 1
(ADDW) ADDW XCHW
Note 1
ADDW
MOVW MOVW
Note 1 Note 1
(ADDW) (ADDW)
(MOVW) MOVW
MOVW
(MOVW)
User's Manual U12697EJ3V0UM
sfrp !addr16 mem [WHL+]
!!addr24 [saddrp]
[%saddrg]
(MOVW) MOVW (MOVW)
XCHW XCHW (XCHW)
Note 1
MOVW
Note 1
SACW
Note 2
byte n None
Note 4
SHRW MULW
SHLW INCW
DECW
INCW
DECW
PUSH
POP
MOVTBLW
PUSH
POP
PUSH
POP
PUSHU
POPU
MACW
MACSW