CC78K4 datasheet(8/523 Pages) NEC

8 / 523 page

User’s Manual U15556EJ1V0UM

CONTENTS

CHAPTER 1 GENERAL ..................................................................................................................... 19

1.1

C Language and Assembly Language ............................................................................... 19

1.2

Program Development Procedure by C Compiler............................................................. 21

1.3

Basic Structure of C Source Program................................................................................ 23

1.3.1

Program format........................................................................................................................ 23

1.4

Reminders Before Program Development ......................................................................... 26

1.5

Features of This C Compiler ............................................................................................... 28

<1>

callt/_ _callt functions ............................................................................................................... 28

<2>

Register variables ...................................................................................................................... 28

<3>

Using the saddr area................................................................................................................. 29

<4>

sfr area ...................................................................................................................................... 29

<5>

noauto functions ....................................................................................................................... 29

<6>

norec/_ _leaf functions ............................................................................................................. 29

<7>

bit type variables and boolean/_ _boolean type variables ...................................................... 29

<8>

boolean1 type variables ............................................................................................................ 29

<9>

ASM statements......................................................................................................................... 29

<10> Interrupt functions ...................................................................................................................... 29

<11> Interrupt function qualifier .......................................................................................................... 29

<12> Interrupt function ........................................................................................................................ 30

<13> CPU control instructions ............................................................................................................ 30

<14> callf/_ _callf function ................................................................................................................. 30

<15> Usage of 16 MB expansion space ............................................................................................. 30

<16> Location function........................................................................................................................ 30

<17> Absolute address access function ............................................................................................. 30

<18> Bit field declaration .................................................................................................................... 30

<19> Function to change compiler output section name .................................................................... 30

<20> Binary constant description function .......................................................................................... 30

<21> Module name change functions ................................................................................................. 30

<22> Rotate function........................................................................................................................... 30

<23> Multiplication function ................................................................................................................ 30

<24> Division function......................................................................................................................... 30

<25> Data insertion function ............................................................................................................... 31

<26> Interrupt handler for RTOS ........................................................................................................ 31

<27> Interrupt handler qualifier for RTOS........................................................................................... 31

<28> Task function for RTOS ............................................................................................................. 31

<29> Changing function call interface................................................................................................. 31

<30> Change of calculation method of offset of arrays and pointers.................................................. 31

<31> Pascal function (_ _pascal) ....................................................................................................... 31

<32>

Automatic pascal functionization of function call interface......................................................... 31

<33> Flash area allocation method..................................................................................................... 31

<34> Flash area branch table ............................................................................................................. 31

<35> Function call function from boot area to flash area .................................................................... 31

<36> Firmware ROM function ............................................................................................................. 31

<37> Limiting int expansion of argument/return value........................................................................ 32

<38> Memory manipulation function ................................................................................................... 32

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