UPD17015GS datasheet(29/120 Pages) NEC

29 / 120 page

µPD17015

Table 7-1 ALU Operations

ADD

ADDC

SUB

SUBC

AND

XOR

SKT

SKF

SKE

SKNE

SKGE

SKLT

MOV

RORC

r, m

m, #n4

r, m

m, #n4

r, m

m, #n4

r, m

m, #n4

r, m

m, #n4

r, m

m, #n4

r, m

m, #n4

m, #n

m, #n4

r, m

m, r

m, #n4

@r, m

m, @r

Instruction

Operation difference due to program status word (PSWORD)

Value

of the

BCD flag

Value

of the

CMP flag

Operation

of the

CY flag

Operation of the Z flag

Optional

(hold)

Optional

(hold)

Optional

(hold)

Optional

(hold)

Optional

(hold)

Optional

(hold)

Optional

(hold)

Optional

(hold)

Optional

(hold)

Optional

(reset)

Binary operation

The result is stored.

Binary operation

The result is not

stored.

Decimal operation

The result is stored.

Decimal operation

The result is not

stored.

Not changed

Set by a

carry or

borrow.

Otherwise,

the flag

is reset.

Retains the

state.

Retains the previous state.

Retains the

state.

Retains the previous state.

Retains the

state.

Retains the previous state.

Retains the

state.

Retains the previous state.

Value of b0 of

the general-

purpose

Retains the previous state.

Set if the operation result is

0000B. Otherwise, the flag is

reset.

Set if the operation result is

0000B. Otherwise, the flag is

reset.

Retains the status if the

operation result is 0000B.

Otherwise, the flag is reset.

Retains the status if the

operation result is 0000B.

Otherwise, the flag is reset.

UPD17015GS Datasheet(PDF) 29 Page - NEC

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