Category : C Source Code
Archive   : EMXDEV8C.ZIP
Filename : DOS.H

/* dos.h (emx/gcc) */

#if !defined (_DOS_H)
#define _DOS_H

#if !defined (_REGS_DEFINED)
#define _REGS_DEFINED

struct _dwordregs
{
unsigned int eax;
unsigned int ebx;
unsigned int ecx;
unsigned int edx;
unsigned int esi;
unsigned int edi;
unsigned int eflags;
};

struct _wordregs
{
unsigned short ax, h_ax;
unsigned short bx, h_bx;
unsigned short cx, h_cx;
unsigned short dx, h_dx;
unsigned short si, h_si;
unsigned short di, h_di;
unsigned short flags, h_flags;
};

struct _byteregs
{
unsigned char al, ah, h_al, h_ah;
unsigned char bl, bh, h_bl, h_bh;
unsigned char cl, ch, h_cl, h_ch;
unsigned char dl, dh, h_dl, h_dh;
};

union REGS {
struct _dwordregs e;
struct _wordregs x;
struct _byteregs h;
};

struct SREGS
{
unsigned int cs;
unsigned int ds;
unsigned int es;
unsigned int fs;
unsigned int gs;
unsigned int ss;
};

#endif

int _int86 (int int_num, union REGS *inp_regs, union REGS *out_regs);
void _segread (struct SREGS *seg_regs);

#endif /* !defined (_DOS_H) */