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Add simple device and simple library examples.

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This commit is contained in:
Krystian Bacławski
2015-09-09 07:41:04 +02:00
parent 96f2ca8451
commit 2deab525fe
4 changed files with 261 additions and 1 deletions
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91
examples/simple-library.c Normal file
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/******************************************************************************/
/* */
/* includes */
/* */
/******************************************************************************/
#include <dos/dosextens.h>
#include <proto/exec.h>
#include <stabs.h>
/******************************************************************************/
/* */
/* exports */
/* */
/******************************************************************************/
const char LibName[]="simple.library";
const char LibIdString[]="version 1.0";
const UWORD LibVersion=1;
const UWORD LibRevision=0;
/******************************************************************************/
/* */
/* global declarations */
/* */
/******************************************************************************/
struct Library *myLibPtr;
struct ExecBase *SysBase;
struct DosLibrary *DOSBase;
/******************************************************************************/
/* */
/* user library initialization */
/* */
/* !!! CAUTION: This function may run in a forbidden state !!! */
/* */
/******************************************************************************/
int __UserLibInit(struct Library *myLib)
{
/* setup your library base - to access library functions over *this* basePtr! */
myLibPtr = myLib;
/* !!! required !!! */
SysBase = *(struct ExecBase **)4L;
return (DOSBase=(struct DosLibrary *)OpenLibrary("dos.library",33L))==NULL;
}
/******************************************************************************/
/* */
/* user library cleanup */
/* */
/* !!! CAUTION: This function runs in a forbidden state !!! */
/* */
/******************************************************************************/
void __UserLibCleanup(void)
{
CloseLibrary(&DOSBase->dl_lib);
}
/******************************************************************************/
/* */
/* library dependent function(s) */
/* */
/******************************************************************************/
ADDTABL_1(__UserFunc,d0); /* One Argument in d0 */
int __UserFunc(long a)
{
return a*2;
}
/******************************************************************************/
/* */
/* endtable marker (required!) */
/* */
/******************************************************************************/
ADDTABL_END();
/******************************************************************************/
/* */
/* end of simplelib.c */
/* */
/******************************************************************************/