MOTOROLA M68020 USER’S MANUAL 1- 11
Table 1-2. Instruction Set
Mnemonic Description Mnemonic Description
ABCD Add Decimal with Extend MOVE USP Move User Stack Pointer
ADD Add MOVEC Move Control Register
ADDA Add Address MOVEM Move Multiple Registers
ADDI Add Immediate MOVEP Move Peripheral
ADDQ Add Quick MOVEQ Move Quick
ADDX Add with Extend MOVES Move Alternate Address Space
AND Logical AND MULS Signed Multiply
ANDI Logical AND Immediate MULU Unsigned Multiply
ASL, ASR Arithmetic Shift Left and Right NBCD Negate Decimal with Extend
Bcc Branch Conditionally NEG Negate
BCHG Test Bit and Change NEGX Negate with Extend
BCLR Test Bit and Clear NOP No Operation
BFCHG Test Bit Field and Change NOT Logical Complement
BFCLR Test Bit Field and Clear OR Logical Inclusive OR
BFEXTS Signed Bit Field Extract ORI Logical Inclusive OR Immediate
BFEXTU Unsigned Bit Field Extract ORI CCR Logical Inclusive Or Immediate to Condition Codes
BFFFO Bit Field Find First One ORI SR Logical Inclusive OR Immediate to Status Register
BFINS Bit Field Insert PACK Pack BCD
BFSET Test Bit Field and Set PEA Push Effective Address
BFTST Test Bit Field RESET Reset External Devices
BKPT Breakpoint ROL, ROR Rotate Left and Right
BRA Branch Always ROXL,ROXR Rotate with Extend Left and Right
BSET Test Bit and Set RTD Return and Deallocate
BSR Branch to Subroutine RTE Return from Exception
BTST Test Bit RTM Return from Module
CALLM Call Module RTR Return and Restore Codes
CAS Compare and Swap Operands RTS Return from Subroutine
CAS2 Compare and Swap Dual Operands SBCD Subtract Decimal with Extend
CHK Check Register Against Bound Scc Set Conditionally
CHK2 Check Register Against Upper and Lower Bound STOP Stop
CLR Clear SUB Subtract
CMP Compare SUBA Subtract Address
CMPA Compare Address SUBI Subtract Immediate
CMPI Compare Immediate SUBQ Subtract Quick
CMPM Compare Memory to Memory SUBX Subtract with Extend
CMP2 Compare Register Against Upper and Lower Bounds SWAP Swap Register Words
DBcc Test Condition, Decrement and Branch TAS Test and Set an Operand
DIVS, DIVSL Signed Divide TRAP Trap
DIVU, DIVUL Unsigned Divide TRAPcc Trap Conditionally
EOR Logical Exclusive OR TRAPV Trap on Overflow
EORI Logical Exclusive Or Immediate TST Test Operand
EXG Exchange Registers UNLK Unlink
EXT, EXTB Sign Extend UNPK Unpack BCD
ILLEGAL Take Illegal Instruction Trap
JMP Jump COPROCESSOR INSTRUCTIONS
JSR Jump to Subroutine Mnemonic Description
LEA Load Effective Address cpBcc Branch Conditionally
LINK Link and Allocate cpDBcc Test Coprocessor Condition, Decrement and Branch
LSL, LSR Logical Shift Left and Right cpGEN Coprocessor General Instruction
MOVE Move cpRESTORE Restore Internal State of Coprocessor
MOVEA Move Address cpSAVE Save Internal State of Coprocessor
MOVE CCR Move Condition Code Register cpScc Set Conditionally
MOVE SR Move Status Register cpTRAPcc Trap Conditionally
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