78K datasheet(13/523 Pages) NEC

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User’s Manual U15556EJ1V0UM

CHAPTER 10 LIBRARY FUNCTIONS ............................................................................................158

10.1 Interface Between Functions .............................................................................................159

10.1.1

Arguments ............................................................................................................................. 159

10.1.2

Return values ........................................................................................................................ 160

10.1.3

Saving registers to be used by individual libraries ................................................................ 160

(1)

When -ZR option is not specified ................................................................................. 160

(2)

When -ZR option is specified ....................................................................................... 162

10.2 Headers ................................................................................................................................163

(1)

ctype.h........................................................................................................................................ 163

(2)

setjmp.h ...................................................................................................................................... 163

(3)

stdarg.h ...................................................................................................................................... 163

(4)

stdio.h......................................................................................................................................... 164

(5)

stdlib.h ........................................................................................................................................ 164

(6)

string.h........................................................................................................................................ 165

(7)

error.h ......................................................................................................................................... 165

(8)

errno.h ........................................................................................................................................ 165

(9)

limits.h ........................................................................................................................................ 165

(10) stddef.h....................................................................................................................................... 166

(11) math.h ........................................................................................................................................ 166

(12) float.h.......................................................................................................................................... 167

(13) assert.h....................................................................................................................................... 169

10.3 Re-entrantability..................................................................................................................169

(1)

Functions that cannot be re-entranced....................................................................................... 169

(2)

Functions that use the area secured in the startup routine ........................................................ 169

(3)

Functions that deal with floating-point numbers ......................................................................... 169

10.4 Standard Library Functions ...............................................................................................170

10.5 Batch Files for Update of Startup Routine and Library Functions ................................279

10.5.1

Using batch files .................................................................................................................... 280

CHAPTER 11 EXTENDED FUNCTIONS.........................................................................................283

11.1 Macro Names.......................................................................................................................284

11.2 Keywords .............................................................................................................................284

(1)

Functions.................................................................................................................................... 285

(2)

Variables .................................................................................................................................... 286

11.3 Memory ................................................................................................................................287

(1)

Memory model............................................................................................................................ 287

(2)

Register bank ............................................................................................................................. 287

(3)

Location function ........................................................................................................................ 287

(4)

Memory space ............................................................................................................................ 288

11.4 #pragma directives .............................................................................................................289

11.5 How to Use Extended Functions .......................................................................................291

(1)

callt functions.............................................................................................................................. 292

(2)

Register variables....................................................................................................................... 295

(3)

How to use the saddr area ......................................................................................................... 301

(4)

How to use the sfr area .............................................................................................................. 309

(5)

noauto function........................................................................................................................... 312

(6)

norec function............................................................................................................................. 318

(7)

bit type variables ........................................................................................................................ 326

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