UPD17708 datasheet(336/356 Pages) NEC

336 / 356 page

336

µPD17704, 17705, 17707, 17708, 17709

22.4 Assembler (RA17K) Embedded Macro Instruction

Legend

flag n : FLG symbol

: Bit number

< >

: Can be omitted

Mnemonic

Operand

Operation

Embedded

SKTn

flag 1, ... flag n

if (flag1) ~ (flag n) = all “1”, then skip

≤ n ≤ 4

macro

SKFn

flag 1, ... flag n

if (flag 1) ~ (flag n) = all “0”, then skip

≤ n ≤ 4

SETn

flag 1, ... flag n

(flag 1) ~ (flag n)

← 11 ≤ n ≤ 4

CLRn

flag 1, ... flag n

(flag 1) ~ (flag n)

← 01 ≤ n ≤ 4

NOTn

flag 1, ... flag n

if (flag n) = “0”, then (flag n)

← 11 ≤ n ≤ 4

if (flag n) = “1”, then (flag n)

← 0

INITFLG

<NOT> flag 1,

if description = NOT flag n, then (flag n)

← 01 ≤ n ≤ 4

... <<NOT> flag n>

if description = flag n, then (flag n)

← 1

BANKn

(BANK)

← n0 ≤ n ≤ 15

Expanded

BRX

Label

Jump Label

—

instruction

CALLX

function-name

CALL sub-routine

—

SYSCALX

function-name or

CALL system sub-routine

—

expression

INITFLGX

<NOT/INV> flag 1,

if description = NOT (or INV)

≤ 4

... <NOT/INV> flag n

flag, (flag)

← 0

if description = flag, (flag)

← 1

UPD17708 데이터시트(PDF) 336 Page - NEC

UPD17708 데이터시트(HTML) 336 Page - NEC

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