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Appendix C
PC Statements and Refresh Timing
121
PC ON
After the ON PC GOSUB statement is executed, the PC’s interrupt number is written in. When the Write flag is
set, the GOSUB statement is executed. Only when the WRITE flag is set will the ON PC GOSUB statement
be executed.
I/O Refresh
I/O Refresh
I/O Refresh
Instruction Execution
Instruction Execution
Instruction Execution
ASCII Unit
C200H CPU
I/O Refresh
PC ON Statement Execution
PC ON Statement Execution
Interrupt Number
(word n bits 04 through 07)
WRITE Flag (word n bit 01)
ASCII Unit (word n+3 bit 00)
Summary of Contents for SYSMAC C200H-ASC02
Page 1: ...Cat No W165 E1 04 ASCII Unit SYSMAC C200H ASC02 ...
Page 2: ...C200H ASC02 ASCII Unit Operation Manual Revised September 2002 ...
Page 3: ...iv ...
Page 5: ...vi ...
Page 7: ...TABLE OF CONTENTS viii Glossary 159 Index 163 Revision History 165 ...
Page 122: ...Appendix B Specifications 115 130 35 100 5 ...
Page 168: ...Cat No W165 E1 04 C200H ASC02 ASCII Unit OPERATION MANUAL ...