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Instruction Set Summary Table 3-1. Notational Conventions (Concluded) Register Codes * General Case C Carry Bit in CCR cc Condition Codes from CCR FC Function Code N Negative Bit in CCR U Undefined, Reserved for Motorola Use. V Overflow Bit in CCR X Extend Bit in CCR Z Zero Bit in CCR — Not Affected or Applicable. Stack Pointers ISP Supervisor/Interrupt Stack Pointer MSP Supervisor/Master Stack Pointer SP Active Stack Pointer SSP Supervisor (Master or Interrupt) Stack Pointer USP User Stack Pointer Miscellaneous Effective Address Assemble Program Label List of registers, for example D3–D0. LB Lower Bound m Bit m of an Operand m–n Bits m through n of Operand UB Upper Bound 3-4 M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL MOTOROLA
Instruction Set Summary 3.1.1 Data Movement Instructions The MOVE and FMOVE instructions with their associated addressing modes are the basic means of transferring and storing addresses and data. MOVE instructions transfer byte, word, and long-word operands from memory to memory, memory to register, register to memory, and register to register. MOVE instructions transfer word and long-word operands and ensure that only valid address manipulations are executed. In addition to the general MOVE instructions, there are several special data movement instructions: MOVE16, MOVEM, MOVEP, MOVEQ, EXG, LEA, PEA, LINK, and UNLK. The MOVE16 instruction is an MC68040 extension to the M68000 instruction set. The FMOVE instructions move operands into, out of, and between floating-point data registers. FMOVE also moves operands to and from the floating-point control register (FPCR), floating-point status register (FPSR), and floating-point instruction address register (FPIAR). For operands moved into a floating-point data register, FSMOVE and FDMOVE explicitly select single- and double-precision rounding of the result, respectively. FMOVEM moves any combination of either floating-point data registers or floating-point control registers. Table 3-2 lists the general format of these integer and floating-point data movement instructions. MOTOROLA M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL 3-5
Page 1 and 2: MOTOROLA M68000 FAMILY Programmer
Page 3 and 4: Introduction 1.1.3 Program Counter
Page 5 and 6: Introduction 1.7 ORGANIZATION OF DA
Page 7 and 8: Introduction Control registers vary
Page 9 and 10: Addressing Capabilities An instruct
Page 11 and 12: Addressing Capabilities Table 2-2.
Page 13 and 14: Addressing Capabilities 2.2.4 Addre
Page 19 and 20: Addressing Capabilities 2.2.10 Memo
Page 21 and 22: Addressing Capabilities 2.2.12 Prog
Page 23 and 24: Addressing Capabilities 2.2.14 Prog
Page 25 and 26: Addressing Capabilities 2.2.16 Abso
Page 27 and 28: Addressing Capabilities Addressing
Page 29 and 30: Addressing Capabilities To implemen
Page 31 and 32: SECTION 3 INSTRUCTION SET SUMMARY T
Page 33: Instruction Set Summary Table 3-1.
Page 37 and 38: Instruction Set Summary A set of ex
Page 39 and 40: Instruction Set Summary Table 3-5.
Page 41 and 42: Instruction Set Summary Table 3-18.
Page 43 and 44: Instruction Set Summary 3.7 INSTRUC
Page 45 and 46: Integer Instructions ADD Add ADD (M
Page 47 and 48: Integer Instructions ADD Add ADD (M
Page 49 and 50: Integer Instructions ADDA Add Addre
Page 51 and 52: Integer Instructions ADDI Add Immed
Page 53 and 54: Integer Instructions ADDQ Add Quick
Page 55 and 56: Integer Instructions ADDX Add Exten
Page 57 and 58: Integer Instructions AND AND Logica
Page 59 and 60: Integer Instructions ANDI AND Immed
Page 61 and 62: Integer Instructions ANDI ANDI to C
Page 63 and 64: Integer Instructions ASL, ASR Arith
Page 65 and 66: Integer Instructions ASL, ASR Arith
Page 67 and 68: Integer Instructions Bcc Branch Con
Page 69 and 70: Integer Instructions CMP Compare CM
Page 71 and 72: Integer Instructions CMPA Compare A
Page 73 and 74: Integer Instructions CMPI Compare I
Page 75 and 76: Integer Instructions DBcc Test Cond
Page 77 and 78: Integer Instructions JSR Jump to Su
Page 79 and 80: Integer Instructions LSL, LSR Logic
Page 81 and 82: Integer Instructions LSL, LSR Logic
Page 83 and 84: Integer Instructions MOVE Move Data
Page 85 and 86:
Integer Instructions MOVEA Move Add
Page 87 and 88:
Integer Instructions RTR Return and
Page 89 and 90:
Processor Instruction Summary A.1 M
Page 91 and 92:
S-Record Output Format Table C-2. A
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