NEC 78K0 Series User Manual page 585

Instruction
Mnemonic
Group
8-bit OR A, #byte
operation
saddr, #byte
A, r
r, A
A, saddr
A, !addr16
A, [HL]
A, [HL + byte]
A, [HL + B]
A, [HL + C]
XOR A, #byte
saddr, #byte
A, r
r, A
A, saddr
A, !addr16
A, [HL]
A, [HL + byte]
A, [HL + B]
A, [HL + C]
CMP A, #byte
saddr, #byte
A, r
r, A
A, saddr
A, !addr16
A, [HL]
A, [HL + byte]
A, [HL + B]
A, [HL + C]
Notes 1. When the internal high-speed RAM area is accessed or for an instruction with no data access
2. When an area except the internal high-speed RAM area is accessed
3. Except "r = A"
Remarks 1. One instruction clock cycle is one cycle of the CPU clock (f
control register (PCC).
2. This clock cycle applies to the internal ROM program.
CHAPTER 28 INSTRUCTION SET
Clocks
Operands Bytes
Note 1
2 4
3 6
Note 3
2 4
2 4
2 4
3 8
1 4
2 8
2 8
2 8
2 4
3 6
Note 3
2 4
2 4
2 4
3 8
1 4
2 8
2 8
2 8
2 4
3 6
Note 3
2 4
2 4
2 4
3 8
1 4
2 8
2 8
2 8
Preliminary User's Manual U17260EJ3V1UD
Operation
Note 2
− A ← A ∨ byte
(saddr) ← (saddr) ∨ byte
8
− A ← A ∨ r
− r ← r ∨ A
A ← A ∨ (saddr)
5
A ← A ∨ (addr16)
9
A ← A ∨ (HL)
5
A ← A ∨ (HL + byte)
9
A ← A ∨ (HL + B)
9
A ← A ∨ (HL + C)
9
A ← A ∨ byte
−
(saddr) ← (saddr) ∨ byte
8
− A ← A ∨ r
− r ← r ∨ A
A ← A ∨ (saddr)
5
A ← A ∨ (addr16)
9
A ← A ∨ (HL)
5
A ← A ∨ (HL + byte)
9
A ← A ∨ (HL + B)
9
A ← A ∨ (HL + C)
9
− A − byte
(saddr) − byte
8
− A − r
− r − A
A − (saddr)
5
A − (addr16)
9
A − (HL)
5
A − (HL + byte)
9
A − (HL + B)
9
A − (HL + C)
9
) selected by the processor clock
CPU
Flag
Z AC CY
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
× × ×
× × ×
× × ×
× × ×
× × ×
× × ×
× × ×
× × ×
× × ×
× × ×
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