Preface......................................................................................................................................................... i
How this book is organized ....................................................................................................................... iii
1.1
1.2
1.3
1.4
1.4.1
1.4.2
2.1
2.2
Switching between Modes ............................................................................................................ 14
2.3
2.3.1
Standard Mode...................................................................................................................... 22
2.3.2
Compatible Mode .................................................................................................................. 23
2.4
2.4.1
2.4.2
I/O Type Global Variables ..................................................................................................... 24
2.4.3
I/O Type Local Variables....................................................................................................... 24
2.4.4
User Input Commands.......................................................................................................... 24
2.4.5
User Output Commands....................................................................................................... 25
Chapter 3 System I/O Signals
3.1
Contents