MC68008 Просмотр технического описания (PDF) - Motorola => Freescale

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MC68008

8-/16-/32-Bit Microprocessors User’s Manual

Motorola => Freescale 

Freescale Semiconductor, Inc.

Table 2-2. Instruction Set Summary (Sheet 1 of 4)

Opcode

ABCD

Operation

Source10 + Destination10 + X → Destination

ADD

Source + Destination → Destination

ADDA

ADDI

ADDQ

ADDX

Source + Destination → Destination

Immediate Data + Destination → Destination

Immediate Data + Destination → Destination

Source + Destination + X → Destination

AND

Source Λ Destination → Destination

ANDI

Immediate Data Λ Destination → Destination

ANDI to CCR Source Λ CCR → CCR

ANDI to SR If supervisor state

then Source Λ SR → SR

else TRAP

ASL, ASR Destination Shifted by <count> → Destination

Bcc

BCHG

BCLR

BKPT

BRA

BSET

BSR

BTST

If (condition true) then PC + d → PC

~ (<number> of Destination) → Z;

~ (<number> of Destination) → <bit number> of Destination

~ (<bit number> of Destination) → Z;

0 → <bit number> of Destination

Run breakpoint acknowledge cycle;

TRAP as illegal instruction

PC + d → PC

~ (<bit number> of Destination) → Z;

1 → <bit number> of Destination

SP – 4 → SP; PC → (SP); PC + d → PC

– (<bit number> of Destination) → Z;

CHK

CLR

CMP

CMPA

CMPI

CMPM

DBcc

If Dn < 0 or Dn > Source then TRAP

0 → Destination

Destination—Source → cc

Destination—Source

Destination —Immediate Data

Destination—Source → cc

If condition false then (Dn – 1 → Dn;

If Dn ≠ –1 then PC + d → PC)

Syntax

ABCD Dy,Dx

ABCD –(Ay), –(Ax)

ADD <ea>,Dn

ADD Dn,<ea>

ADDA <ea>,An

ADDI # <data>,<ea>

ADDQ # <data>,<ea>

ADDX Dy, Dx

ADDX –(Ay), –(Ax)

AND <ea>,Dn

AND Dn,<ea>

ANDI # <data>, <ea>

ANDI # <data>, CCR

ANDI # <data>, SR

ASd Dx,Dy

ASd # <data>,Dy

ASd <ea>

Bcc <label>

BCHG Dn,<ea>

BCHG # <data>,<ea>

BCLR Dn,<ea>

BCLR # <data>,<ea>

BKPT # <data>

BRA <label>

BSET Dn,<ea>

BSET # <data>,<ea>

BSR <label>

BTST Dn,<ea>

BTST # <data>,<ea>

CHK <ea>,Dn

CLR <ea>

CMP <ea>,Dn

CMPA <ea>,An

CMPI # <data>,<ea>

CMPM (Ay)+, (Ax)+

DBcc Dn,<label>

MOTOROLA

M68000 8-/16-/32-BIT MICROPROCESSOR USER’S MANUAL

For More Information On This Product,

Go to: www.freescale.com

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