Motorola MC68020 User Manual

9/29/95 SECTION 1: OVERVIEW UM Rev.1.0
xvi M68020 USER’S MANUAL MOTOROLA
LIST OF ILLUSTRATIONS (Continued)
Figure Page
Number Title Number
7-4 Coprocessor Address Map in MC68020/EC020 CPU Space .......................... 7-7
7-5 Coprocessor Interface Register Set Map......................................................... 7-7
7-6 Coprocessor General Instruction Format (cpGEN).......................................... 7-8
7-7 Coprocessor Interface Protocol for General Category Instructions.................. 7-10
7-8 Coprocessor Interface Protocol for Conditional Category Instructions ............ 7-11
7-9 Branch on Coprocessor Condition Instruction Format (cpBcc.W) ................... 7-12
7-10 Branch on Coprocessor Condition Instruction Format (cpBcc.L)..................... 7-12
7-11 Set on Coprocessor Condition Instruction Format (cpScc).............................. 7-13
7-12 Test Coprocessor Condition, Decrement, and Branch
Instruction Format (cpDBcc)........................................................................... 7-14
7-13 Trap on Coprocessor Condition Instruction Format (cpTRAPcc)..................... 7-15
7-14 Coprocessor State Frame Format in Memory.................................................. 7-17
7-15 Coprocessor Context Save Instruction Format (cpSAVE) ............................... 7-20
7-16 Coprocessor Context Save Instruction Protocol .............................................. 7-21
7-17 Coprocessor Context Restore Instruction Format (cpRESTORE)................... 7-22
7-18 Coprocessor Context Restore Instruction Protocol.......................................... 7-23
7-19 Control CIR Format .......................................................................................... 7-25
7-20 Condition CIR Format ...................................................................................... 7-26
7-21 Operand Alignment for Operand CIR Accesses .............................................. 7-26
7-22 Coprocessor Response Primitive Format ........................................................ 7-28
7-23 Busy Primitive Format...................................................................................... 7-30
7-24 Null Primitive Format........................................................................................ 7-31
7-25 Supervisor Check Primitive Format.................................................................. 7-33
7-26 Transfer Operation Word Primitive Format ...................................................... 7-33
7-27 Transfer from Instruction Stream Primitive Format .......................................... 7-34
7-28 Evaluate and Transfer Effective Address Primitive Format.............................. 7-35
7-29 Evaluate Effective Address and Transfer Data Primitive Format..................... 7-35
7-30 Write to Previously Evaluated Effective Address Primitive Format.................. 7-37
7-31 Take Address and Transfer Data Primitive Format.......................................... 7-39
7-32 Transfer to/from Top of Stack Primitive Format ............................................... 7-40
7-33 Transfer Single Main Processor Register Primitive Format ............................. 7-40
7-34 Transfer Main Processor Control Register Primitive Format ........................... 7-41
7-35 Transfer Multiple Main Processor Registers Primitive Format......................... 7-42
7-36 Register Select Mask Format........................................................................... 7-42
7-37 Transfer Multiple Coprocessor Registers Primitive Format.............................. 7-43
7-38 Operand Format in Memory for Transfer to –(An) ........................................... 7-44
7-39 Transfer Status Register and ScanPC Primitive Format.................................. 7-44
7-40 Take Preinstruction Exception Primitive Format.............................................. 7-45
7-41 MC68020/EC020 Preinstruction Stack Frame................................................. 7-46
7-42 Take Midinstruction Exception Primitive Format.............................................. 7-47
7-43 MC68020/EC020 Midinstruction Stack Frame................................................. 7-47
7-44 Take Postinstruction Exception Primitive Format............................................. 7-48

Motorola MC68020 Specifications

General

Brand	Motorola
Model	MC68020
Category	Computer Hardware
Language	English