Quake: attempt 2duke3d

Change-Id: I4285036e967d7f0722802d43cf2096c808ca5799

1 files changed, 100 insertions, 0 deletions

diff --git a/apps/plugins/sdl/progs/quake/dosisms.h b/apps/plugins/sdl/progs/quake/dosisms.h
new file mode 100644
index 0000000..7f12268
--- /dev/null
+++ b/apps/plugins/sdl/progs/quake/dosisms.h
@@ -0,0 +1,100 @@
+/*
+Copyright (C) 1996-1997 Id Software, Inc.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+//
+// dosisms.h: I'd call it dos.h, but the name's taken
+//
+
+#ifndef _DOSISMS_H_
+#define _DOSISMS_H_
+
+int dos_lockmem(void *addr, int size);
+int dos_unlockmem(void *addr, int size);
+
+typedef union {
+	struct {
+		unsigned long edi;
+		unsigned long esi;
+		unsigned long ebp;
+		unsigned long res;
+		unsigned long ebx;
+		unsigned long edx;
+		unsigned long ecx;
+		unsigned long eax;
+	} d;
+	struct {
+		unsigned short di, di_hi;
+		unsigned short si, si_hi;
+		unsigned short bp, bp_hi;
+		unsigned short res, res_hi;
+		unsigned short bx, bx_hi;
+		unsigned short dx, dx_hi;
+		unsigned short cx, cx_hi;
+		unsigned short ax, ax_hi;
+		unsigned short flags;
+		unsigned short es;
+		unsigned short ds;
+		unsigned short fs;
+		unsigned short gs;
+		unsigned short ip;
+		unsigned short cs;
+		unsigned short sp;
+		unsigned short ss;
+	} x;
+	struct {
+		unsigned char edi[4];
+		unsigned char esi[4];
+		unsigned char ebp[4];
+		unsigned char res[4];
+		unsigned char bl, bh, ebx_b2, ebx_b3;
+		unsigned char dl, dh, edx_b2, edx_b3;
+		unsigned char cl, ch, ecx_b2, ecx_b3;
+		unsigned char al, ah, eax_b2, eax_b3;
+	} h;
+} regs_t;
+
+unsigned int ptr2real(void *ptr);
+void *real2ptr(unsigned int real);
+void *far2ptr(unsigned int farptr);
+unsigned int ptr2far(void *ptr);
+
+int	dos_inportb(int port);
+int	dos_inportw(int port);
+void dos_outportb(int port, int val);
+void dos_outportw(int port, int val);
+
+void dos_irqenable(void);
+void dos_irqdisable(void);
+void dos_registerintr(int intr, void (*handler)(void));
+void dos_restoreintr(int intr);
+
+int	dos_int86(int vec);
+
+void *dos_getmemory(int size);
+void dos_freememory(void *ptr);
+
+void	dos_usleep(int usecs);
+
+int dos_getheapsize(void);
+
+extern regs_t regs;
+
+#endif	// _DOSISMS_H_
+