NEC mPD789026 Subseries User Manual page 188

Mnemonic Operands
MOVW rp,#word
AX,saddrp
saddrp,AX
Note
AX,rp
Note
rp,AX
Note
AX,rp
XCHW
ADD A,#byte
saddr,#byte
A,r
A,saddr
A,!addr16
A,[HL]
A,[HL+byte]
ADDC A,#byte
saddr,#byte
A,r
A,saddr
A,!addr16
A,[HL]
A,[HL+byte]
SUB A,#byte
saddr,#byte
A,r
A,saddr
A,!addr16
A,[HL]
A,[HL+byte]
Note Only when rp = BC, DE, or HL.
One instruction clock cycle is one CPU clock cycle (f
Remark
(PCC).
188
CHAPTER 14 INSTRUCTION SET
Byte Clock
rp ← word
3 6
AX ← (saddrp)
2 6
(saddrp) ← AX
2 8
AX ← rp
1 4
rp ← AX
1 4
AX ↔ rp
1 8
A,CY ← A + byte
2 4
(saddr),CY ← (saddr) + byte
3 6
A,CY ← A + r
2 4
A,CY ← A + (saddr)
2 4
A,CY ← A + (addr16)
3 8
A,CY ← A + (HL)
1 6
A,CY ← A + (HL+byte)
2 6
A,CY ← A + byte + CY
2 4
(saddr),CY ← (saddr) + byte + CY
3 6
A,CY ← A + r + CY
2 4
A,CY ← A + (saddr) + CY
2 4
A,CY ← A + (addr16) + CY
3 8
A,CY ← A + (HL) + CY
1 6
A,CY ← A + (HL+byte) + CY
2 6
A,CY ← A − byte
2 4
(saddr),CY ← (saddr) − byte
3 6
A,CY ← A − r
2 4
A,CY ← A − (saddr)
2 4
A,CY ← A − (addr16)
3 8
A,CY ← A − (HL)
1 6
A,CY ← A − (HL+byte)
2 6
User's Manual U11919EJ3V0UM00
Operation
) selected by processor clock control register
CPU
Flag
Z AC CY
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