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Fujitsu F2MC-8FX manual Interrupt Processing

Models: F2MC-8FX

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Symbols Configuration of Direct Bank Reset Operation F2MC-8FX CPU Features Example of Using Xchw A, PC

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CHAPTER 4 INTERRUPT PROCESSING

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Fujitsu F2MC-8FX manual Interrupt Processing

Page 49 Page 51

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Contents

F2MC-8FX Page Fujitsu Limited Page Organization of This Manual Purpose and AudienceTrademark Copyright 2004-2008 Fujitsu Limited All rights reserved Contents 100 221 253Page Main changes in this edition Changes For details, refer to main body Viii Chapter Outline and Configuration Example of F2MC-8FX CPU F2MC-8FX CPU Features Outline of F2MC-8FX CPU Configuration Example of Device Using F2MC-8FX CPU 1 Configuration Example of Device Using F2MC-8FX CPU Outline and Configuration Example of F2MC-8FX CPU Chapter Memory Space This chapter explains the F2MC-8FX CPU memory space CPU Memory Space 1 F2MC-8FX Memory Space 1shows the memory space accessible by each addressing mode Memory Space and Addressing Ffffh Data Area 3 Example of Saving Data in Stack Area Program Area 2 Callv Jump Address Table 3 Reset and Interrupt Vector Table Interrupt No Table address Upper data Lower data Arrangement of 16-bit Data in Memory Space 5 Arrangement of 16-bit Data in Memory Memory Space Chapter Registers F2MC-8FX Registers F2MC-8FX General-Purpose Registers Program Counter PC and Stack Pointer SP Stack Pointer SP Accumulator a and Temporary Accumulator T Temporary Accumulator T XX78H How To Use The Temporary Accumulator T Abxxh Cdxxh RAM Direct Data Transfer from Temporary Accumulator T 9 Direct Data Transfer from Temporary Accumulator T Program Status PS 1 Structure of Program Status PS Program Status PS Flags IL1 IL0 Access to Register Bank Pointer and Direct Bank Pointer Index Register IX and Extra Pointer EP Extra Pointer EP 1 Configuration of Register Bank Register Banks 1 Configuration of Direct Bank Direct Banks Chapter Interrupt Processing Outline of Interrupt Operation 1 Outline of F 2MC-8FX Interrupt Operation Interrupt Enable/Disable and Interrupt Priority Functions Interrupt Requests in Resources To CPU Creating an Interrupt Processing Program 1 Interrupt Processing Flow 2 Interrupt Response Time Multiple Interrupt 1 Example of Multiple Interrupt Reset Operation Interrupt Processing Chapter CPU Software Architecture This chapter explains the instructions for the F2MC-8FX CPU Types of Addressing Modes Index Addressing @IX+off 1 Jump Address Table Address table upper jump address lower jump address Special Instructions Callv #k JMP @A Divu a 1 Example of Using Xchw A, PC Callv #k Callv #3 Chapter Detailed Rules for Execution Instructions Operation Ffff H 1 Number of Execution Cycles / Byte Count / OP Code Ffff H Addcw a Execution example Addcw a Memory Assembler format Condition code CCR Execution example and a Memory Byte Data of Accumulator and Memory to Accumulator Execution example and , @EP Memory Andw a Execution example Andw a Memory BBC Branch if Bit is Clear E7FE H BBS Branch if Bit is Set Execution example BBS 84H 0, 0FBH Memory BC Branch relative if C=1/BLO Branch if LOwer Execution example BC 0FEH Memory BGE rel Execution example BGE 02H Memory BLT Branch Less Than zero relative if Zero Execution example BLT 02H Memory BN Branch relative if N = FC5F H BNZ Branch relative if Z = 0/BNE Branch if Not Equal FE1E H BNC Branch relative if C = 0/BHS Branch if Higher or Same Execution example BNC 01H Memory BP Branch relative if N = 0 Plus Execution example BP 04H Memory BZ Branch relative if Z = 1/BEQ Branch if Equal FE1E H FE1A H Call Call subroutine Execution example Call 0FC00H Memory Callv Call Vectored subroutine 18-1 Call Storage Address of Vector Call Instruction Vector address VA Instruction Lower address Upper address Clrb Clear direct Memory Bit Execution example Clrb 84H Memory Clrc Clear Carry flag Set the C-flag to Clrc Clear Carry flag Execution example Clrc Memory Clri CLeaR Interrupt flag Set the I-flag to Clri CLeaR Interrupt flag IL1 IL0 CMP a Execution example CMP a Memory CMP CoMPare Byte Data of Accumulator and Memory 23-1 Number of Execution Cycles / Byte Count / OP Code Execution example CMP 80H Memory CMP CoMPare Byte Data of Immediate Data and Memory 24-1 Number of Execution Cycles / Byte Count / OP Code Execution example CMP @EP , #33H Memory Cmpw a Execution example Cmpw Memory DAA Decimal Adjust for Addition 26-1 Decimal Adjustment Table DAA 26-2 Execution Example DAS Decimal Adjust for Subtraction 27-1 Decimal Adjustment Table DAS 27-2 Execution Example DEC DECrement Byte Data of General-purpose Register 103 Decw DECrement Word Data of Accumulator 105 Decw DECrement Word Data of Extra Pointer 107 Decw DECrement Word Data of Index Pointer 109 Decw DECrement Word Data of Stack Pointer 111 Divu DIVide Unsigned 113 INC INCrement Byte Data of General-purpose Register 115 Incw INCrement Word Data of Accumulator 117 Incw INCrement Word Data of Extra Pointer 119 Incw INCrement Word Data of Index Register 121 Incw INCrement Word Data of Stack Pointer 123 JMP JuMP to address pointed by Accumulator 125 JMP JuMP to effective Address 127 MOV @A, T 129 MOV Move Byte Data from Memory to Accumulator 42-1 Number of Execution Cycles / Byte Count / OP Code 131 MOV Move Immediate Byte Data to Memory 43-1 Number of Execution Cycles / Byte Count / OP Code 133 MOV Move Byte Data from Accumulator to memory 44-1 Number of Execution Cycles / Byte Count / OP Code 135 Movw @A, T 137 Movw Move Word Data from Memory to Accumulator 46-1 Number of Execution Cycles / Byte Count / OP Code 139 Movw Move Word Data from Extra Pointer to Accumulator 141 Movw Move Word Data from Index Register to Accumulator 143 Movw A, PS 145 Movw Move Word Data from Program Counter to Accumulator 147 Movw Move Word Data from Stack Pointer to Accumulator 149 Movw Move Word Data from Accumulator to Memory 52-1 Number of Execution Cycles / Byte Count / OP Code 151 Movw Move Word Data from Accumulator to Extra Pointer 153 Movw Move Immediate Word Data to Extra Pointer 155 Movw Move Word Data from Accumulator to Index Register 157 Movw Move Immediate Word Data to Index Register 159 Movw PS, a 161 Movw Move Immediate Word Data to Stack Pointer 163 Movw Move Word data from Accumulator to Stack Pointer 165 Mulu MULtiply Unsigned 167 NOP NoOPeration No operation NOP NoOPeration 169 Or a 171 Or or Byte Data of Accumulator and Memory to Accumulator 63-1 Number of Execution Cycles / Byte Count / OP Code 173 ORW a 175 Pushw Push Word Data of Inherent Register to Stack Memory 65-1 Number of Execution Cycles / Byte Count / OP Code 177 Popw POP Word Data of Intherent Register from Stack Memory 66-1 Number of Execution Cycles / Byte Count / OP Code 179 RET RETurn from subroutine 181 Reti RETurn from Interrupt 183 Rolc Rotate Byte Data of Accumulator with Carry to Left 185 Rorc Rotate Byte Data of Accumulator with Carry to Right 187 188 189 72-1 Number of Execution Cycles / Byte Count / OP Code 191 192 193 Setb Set Direct Memory Bit 195 Setc SET Carry flag Set the C-flag to Setc SET Carry flag 197 Seti SET Interrupt flag 199 Swap Swap Byte Data Accumulator H and Accumulator L 201 XCH A, T 203 Xchw eXCHange Word Data Accumulator and Extrapointer 205 Xchw eXCHange Word Data Accumulator and Index Register 207 Xchw eXCHange Word Data Accumulator and Program Counter 209 Xchw eXCHange Word Data Accumulator and Stack Pointer 211 Xchw A, T 213 XOR a 215 85-1 Number of Execution Cycles / Byte Count / OP Code 217 Xorw a 219 220 Appendix Appendix a Instruction List F2MC-8FX CPU Instruction Overview Sign of the Instruction List Table A.1-1 Sign of the Instruction List Item in Instruction Table Table A.1-2 Item in Instruction Table Operation List Table A.2-1 Operation List for Transfer Instructions 1/3 Table A.2-1 Operation List for Transfer Instructions 2/3 Table A.2-1 Operation List for Transfer Instructions 3/3 Table A.2-2 Operation List for Operation Instructions 1/3 Table A.2-2 Operation List for Operation Instructions 2/3 ← a Table A.2-2 Operation List for Operation Instructions 3/3 XOR A, @EP Table A.2-3 Operation List for Branch Instructions Table A.2-4 Operation List for Other Instructions Flag Change Table Table A.3-1 Flag Change Table for Transfer Instructions 1/2 Table A.3-1 Flag Change Table for Transfer Instructions 2/2 Table A.3-2 Flag Change Table for Operation Instructions 1/3 Table A.3-2 Flag Change Table for Operation Instructions 2/3 Table A.3-2 Flag Change Table for Operation Instructions 3/3 Table A.3-3 Flag Change Table for Branch Instructions 239 Table B-1 Bus Operation List 1/11 Appendix B Bus Operation ListTable B-1is a bus operation list Bus Operation List Table B-1 Bus Operation List 2/11 Table B-1 Bus Operation List 3/11 Table B-1 Bus Operation List 4/11 Table B-1 Bus Operation List 5/11 Table B-1 Bus Operation List 6/11 Table B-1 Bus Operation List 7/11 Table B-1 Bus Operation List 8/11 DAS Rolc a Rorc a Movw A, PS Movw PS, a Table B-1 Bus Operation List 9/11 PSL CCR Table B-1 Bus Operation List 10/11 Table B-1 Bus Operation List 11/11 Interrupt Table C-1 Instruction Map Appendix C Instruction MapTable C-1is an instruction map Instruction Map 252 Index Symbols Numerics BLO INC Mulu XCH Fujitsu Semiconductor Controller Manual

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