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https://github.com/KolibriOS/kolibrios.git
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101 lines
2.4 KiB
C
101 lines
2.4 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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//
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// dosisms.h: I'd call it dos.h, but the name's taken
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//
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#ifndef _DOSISMS_H_
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#define _DOSISMS_H_
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int dos_lockmem(void *addr, int size);
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int dos_unlockmem(void *addr, int size);
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typedef union {
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struct {
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unsigned long edi;
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unsigned long esi;
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unsigned long ebp;
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unsigned long res;
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unsigned long ebx;
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unsigned long edx;
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unsigned long ecx;
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unsigned long eax;
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} d;
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struct {
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unsigned short di, di_hi;
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unsigned short si, si_hi;
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unsigned short bp, bp_hi;
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unsigned short res, res_hi;
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unsigned short bx, bx_hi;
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unsigned short dx, dx_hi;
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unsigned short cx, cx_hi;
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unsigned short ax, ax_hi;
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unsigned short flags;
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unsigned short es;
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unsigned short ds;
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unsigned short fs;
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unsigned short gs;
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unsigned short ip;
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unsigned short cs;
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unsigned short sp;
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unsigned short ss;
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} x;
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struct {
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unsigned char edi[4];
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unsigned char esi[4];
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unsigned char ebp[4];
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unsigned char res[4];
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unsigned char bl, bh, ebx_b2, ebx_b3;
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unsigned char dl, dh, edx_b2, edx_b3;
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unsigned char cl, ch, ecx_b2, ecx_b3;
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unsigned char al, ah, eax_b2, eax_b3;
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} h;
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} regs_t;
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unsigned int ptr2real(void *ptr);
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void *real2ptr(unsigned int real);
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void *far2ptr(unsigned int farptr);
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unsigned int ptr2far(void *ptr);
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int dos_inportb(int port);
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int dos_inportw(int port);
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void dos_outportb(int port, int val);
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void dos_outportw(int port, int val);
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void dos_irqenable(void);
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void dos_irqdisable(void);
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void dos_registerintr(int intr, void (*handler)(void));
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void dos_restoreintr(int intr);
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int dos_int86(int vec);
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void *dos_getmemory(int size);
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void dos_freememory(void *ptr);
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void dos_usleep(int usecs);
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int dos_getheapsize(void);
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extern regs_t regs;
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#endif // _DOSISMS_H_
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