UPD703003 datasheet(51/82 Pages) NEC

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µPD703003

Data Sheet U12261EJ2V1DS00

Instruction Mnemonic

Operand

Opcode

Operation

Flags

group

CY OV SZ SAT

Branch

JMP

[reg1]

000 000 000 11 RRRRR PC

← GR[reg1]

instructions

disp22

000 001 111 0dd ddd d PC

← PC + sign-extend (disp22)

ddd ddd ddd ddd ddd 0

Note 1

JARL

disp22, reg2

r r r r r 1 111 0dd ddd d GR[reg2]

← PC + 4

ddd ddd ddd ddd ddd 0 PC

← PC + sign-extend (disp22)

Note 1

Bcond

disp9

ddd dd1 011 ddd c c c c if conditions are satisfied

Note 2 then PC

← PC + sign-extend (disp9)

Bit

SET1

bit#3, disp16[reg1] 00b bb1 111 10 RRRRR adr

← GR[reg1] + sign-extend (disp16)

manipulation

ddd ddd ddd ddd ddd d Z flag

← Not (Load-memory-bit (adr, bit#3))

instructions

Store-memory-bit (adr, bit#3, 1)

CLR1

bit#3, disp16[reg1] 10b bb1 111 10 RRRRR adr

← GR[reg1] + sign-extend (disp16)

ddd ddd ddd ddd ddd d Z flag

← Not (Load-memory-bit (adr, bit#3))

Store-memory-bit (adr, bit#3, 0)

NOT1

bit#3, disp16[reg1] 01b bb1 111 10 RRRRR adr

← GR[reg1] + sign-extend (disp16)

ddd ddd ddd ddd ddd d Z flag

← Not (Load-memory-bit (adr, bit#3))

Store-memory-bit (adr, bit#3, Z flag)

TST1

bit#3, disp16[reg1] 11b bb1 111 10 RRRRR adr

← GR[reg1] + sign-extend (disp16)

ddd ddd ddd ddd ddd d Z flag

← Not (Load-memory-bit (adr, bit#3))

Notes 1. ddddddddddddddddddddd = high-order 21 bits of disp22

2. dddddddd = high-order 8 bits of disp9

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