MN1030 Ver la hoja de datos (PDF) - Unspecified

Número de pieza

componentes Descripción

Fabricante

MN1030

MICROCOMPUTER

Unspecified 

Instruction function and type

Instruction format

Operation details

Assemble mnemonic

supplementr

icon core marks

indicates objective

micom core

Chapter 2 Instruction Specifications

MOVBU Zero-extend Byte Move

MOVBU Mem,Reg

Operation

Mem→Reg

Byte-data-moves the contents of the memory(Mem) to the register(Reg)

(8 bits→32 bits; zero-extended)

Assembler mnemonic

movbu (Am),Dn

movbu (d8,Am),Dn

movbu (d16,Am),Dn

movbu (d32,Am),Dn

movbu (d8,SP),Dn

movbu (d16,SP),Dn

movbu (d32,SP),Dn

movbu (Di,Am),Dn

movbu (abs16),Dn

movbu (abs32),Dn

VF: No Changes.

CF: No Changes.

NF: No Changes.

ZF: No Changes.

Notes

d8 is sign-extended

d16 is sign-extended

d8 is zero-extended

d16 zero-extended

abs16 zero-extended

Flag Changes

VCNZ

————

————

————

————

————

————

————

————

————

————

Size Cycles

2

1

3

1

4

1

6

2

3

1

4

1

6

2

2

1

3

1

6

2

AM32

In register-relative indirect addressing mode or index decoration register indirect addressing mode, when the

address specified by based register(Am,SP) and the address derived from address caluculation are not in the same

memory space, one cycle will be added.

AM30

AM31

In register-relative indirect addressing mode or index decoration register indirect addressing

mode, the address specified by based register(Am,SP) and the address derived from address

calculation must be in the same memory space.

Footer

indecates instructions

30

MOVBU

Flag changes

●: may change

- :will not change

0: always 0

1: always 1

?: undifined

*: user defined

Code size, cycles

requires following

conditions;

(1) no pipeline install

(2) instruction fetch: 2

data load/store : 1

Flag changes details

Notes

Read carefully to run

the program right.

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