/* file comp_dep.h:

   Author: Dave Hershberger

   Purpose: put some compiler dependent stuff in
            a separate file to ease later porting. */

#ifndef COMP_DEP_H
#define COMP_DEP_H

// <i86.h> is included for the "union INTPACK" in the interrupt stuff.

#include <i86.h>
#include <graph.h>

void interrupts_on(void);
void interrupts_off(void);

#define enable _enable
#define disable _disable

// Watcom doesn't know about volatile variables. Duh.

#define volatile

// We shouldn't need any "far" or "near" or anything with watcom.

#ifdef far
#undef far
#endif

#define far

// Watcom uses a different name for getvect() and setvect().

#define getvect(intnum) _dos_getvect(intnum)

#define setvect(intnum, handler) _dos_setvect(intnum, handler)

#define HandlerParms
// For Borland 4.5 we need "#define HandlerParms ..."

/* type definition of an interrupt handler */

// This is the Watcom 10.0a way...
typedef void (__interrupt __far * interrupt_handler)();

// This is the Borland 4.5 way...
//typedef void interrupt (far * interrupt_handler)(...);


// The Watcom <math.h> file doesn't define M_PI. So here goes...
//#define M_PI 3.14159265 // maybe it does...

// Watcom's <dos.h> doesn't include inportb() and outportb(),
// but the inp() and outp() functions seem to do the same thing.
// They are defined in <conio.h>.

#include <conio.h>

#define inportb(num) ((unsigned char) inp( num ))
#define outportb(num, value) ((void) outp( num, value ))

void clrscr(void);
void gotoxy(int x, int y);
void clreol(void);

void asm_nop(void);

#pragma aux asm_nop = "nop";

#ifdef MK_FP
#undef MK_FP
#endif

#define MK_FP(seg, off) (((seg) << 4) + (off))

double anint(double);

#endif // COMP_DEP_H