UPD78C18 datasheet(76/110 Pages) NEC

76 / 110 page

Mnemonic

Operand

Instruction Code

State

Operation

Skip

Condition

MOV

MVI

r1, A

A, r1

sr, A

A, sr1

r, word

word, r

r, byte

sr2, byte

MVIW

wa, byte

MVIX

rpa1, byte

STAW

LDAW

STAX

rpa2

LDAX

rpa2

EXX

EXA

EXH

BLOCK

DMOV

rp3, EA

EA, rp3

00011T2 T1 T0

00001T2 T1 T0

01001101

01001100

01110000

01101R2 R1 R0

01100100

01110001

010010A1 A0

01100011

00000001

A3 0111A2 A1 A0

A3 0101A2 A1 A0

00010001

00010000

01010000

00110001

101101P1 P0

101001P1 P0

11S5 S4 S3 S2 S1 S0

01101R2 R1 R0

01111R2 R1 R0

Data

S3 0000S2 S1 S0

Offset

Data

Offset

Data*

Low Adrs

Data

High Adrs

← A

← r1

← A

← sr1

← (word)

(word)

← r

← byte

sr2

← byte

(V. wa)

← byte

(rpa1)

← byte

(V. wa)

← A

← (V. wa)

(rpa2)

← A

← (rpa2)

↔ B', C ↔ C', D ↔ D'

↔ E', H ↔ H', L ↔ L'

V, A

↔ V', A', EA ↔ EA'

(DE)

← (HL) , C ← C – 1

End if borrow

rp3L

← EAL, rp3H ← EAH

EAL

← rp3L, EAH ← rp3H

H, L

↔ H', L'

7/13*

(C + 1)

Notes

Instruction Group

16-bit data transfer instructions

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