TS68020 ATMEL Corporation, TS68020 Datasheet - Page 28

• Manufacturer Part Number: TS68020
• Description: Hcmos 32-bit Virtual Memory Mpu, 16/20/25 MHZ
• Manufacturer: ATMEL Corporation

Instruction Set Overview
28
TS68020
The TS68020 instruction set is shown in Table 9. Special emphasis has been given to
the instruction set’s support of structured high-level languages and sophisticated operat-
ing systems. Each instruction, with few exceptions, operates on bytes, words, and long
words and most instructions can use any of the 18 addressing modes. Many instruction
extensions have been made on the TS68020 to take advantage of the full 32-bit opera-
tion where, on the earlier 68000 Family members, only 8 and 16 bits values were used.
The TS68020 is upward source- and object-level code compatible with the family
because it supports all of the instructions that previous family members offer. Additional
instructions are now provided by the TS68020 in support of its advanced features.
Table 9. Instruction Set
Mnemonic
ABCD
ADD
ADDA
ADDI
ADDQ
ADDX
AND
ANDI
ASL, ASR
Bcc
BCHG
BCLR
BFCHG
BFCLR
BFEXTS
BFEXTU
BFFFO
BFINS
BFSET
BFTST
BKPT
BRA
BSET
BSR
BTST
Description
Add Decimal with Extend
Add
Add Address
Add Immediate
Add Quick
Add with Extend
Logical AND
Logical AND Immediate
Arithmetic Shift Left and Right
Branch Conditionally
Test Bit and Change
Test Bit and Clear
Test Bit Field and Change
Test Bit Field and Clear
Signed Bit Field Extract
Unsigned Bit Field Extract
Bit Field Find First One
Bit Field Insert
Test Bit Field and Set
Test Bit Field
Breakpoint
Branch
Test Bit and Set
Branch to Subroutine
Test Bit
2115A–HIREL–07/02