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5131 | clevermous | 1 | /* |
2 | Copyright (C) 1996-1997 Id Software, Inc. |
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3 | |||
4 | This program is free software; you can redistribute it and/or |
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5 | modify it under the terms of the GNU General Public License |
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6 | as published by the Free Software Foundation; either version 2 |
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7 | of the License, or (at your option) any later version. |
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8 | |||
9 | This program is distributed in the hope that it will be useful, |
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10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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12 | |||
13 | See the GNU General Public License for more details. |
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14 | |||
15 | You should have received a copy of the GNU General Public License |
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16 | along with this program; if not, write to the Free Software |
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17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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18 | |||
19 | */ |
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20 | |||
21 | // |
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22 | // dosisms.h: I'd call it dos.h, but the name's taken |
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23 | // |
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24 | |||
25 | #ifndef _DOSISMS_H_ |
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26 | #define _DOSISMS_H_ |
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27 | |||
28 | int dos_lockmem(void *addr, int size); |
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29 | int dos_unlockmem(void *addr, int size); |
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30 | |||
31 | typedef union { |
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32 | struct { |
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33 | unsigned long edi; |
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34 | unsigned long esi; |
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35 | unsigned long ebp; |
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36 | unsigned long res; |
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37 | unsigned long ebx; |
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38 | unsigned long edx; |
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39 | unsigned long ecx; |
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40 | unsigned long eax; |
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41 | } d; |
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42 | struct { |
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43 | unsigned short di, di_hi; |
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44 | unsigned short si, si_hi; |
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45 | unsigned short bp, bp_hi; |
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46 | unsigned short res, res_hi; |
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47 | unsigned short bx, bx_hi; |
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48 | unsigned short dx, dx_hi; |
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49 | unsigned short cx, cx_hi; |
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50 | unsigned short ax, ax_hi; |
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51 | unsigned short flags; |
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52 | unsigned short es; |
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53 | unsigned short ds; |
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54 | unsigned short fs; |
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55 | unsigned short gs; |
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56 | unsigned short ip; |
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57 | unsigned short cs; |
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58 | unsigned short sp; |
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59 | unsigned short ss; |
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60 | } x; |
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61 | struct { |
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62 | unsigned char edi[4]; |
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63 | unsigned char esi[4]; |
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64 | unsigned char ebp[4]; |
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65 | unsigned char res[4]; |
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66 | unsigned char bl, bh, ebx_b2, ebx_b3; |
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67 | unsigned char dl, dh, edx_b2, edx_b3; |
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68 | unsigned char cl, ch, ecx_b2, ecx_b3; |
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69 | unsigned char al, ah, eax_b2, eax_b3; |
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70 | } h; |
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71 | } regs_t; |
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72 | |||
73 | unsigned int ptr2real(void *ptr); |
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74 | void *real2ptr(unsigned int real); |
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75 | void *far2ptr(unsigned int farptr); |
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76 | unsigned int ptr2far(void *ptr); |
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77 | |||
78 | int dos_inportb(int port); |
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79 | int dos_inportw(int port); |
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80 | void dos_outportb(int port, int val); |
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81 | void dos_outportw(int port, int val); |
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82 | |||
83 | void dos_irqenable(void); |
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84 | void dos_irqdisable(void); |
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85 | void dos_registerintr(int intr, void (*handler)(void)); |
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86 | void dos_restoreintr(int intr); |
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87 | |||
88 | int dos_int86(int vec); |
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89 | |||
90 | void *dos_getmemory(int size); |
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91 | void dos_freememory(void *ptr); |
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92 | |||
93 | void dos_usleep(int usecs); |
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94 | |||
95 | int dos_getheapsize(void); |
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96 | |||
97 | extern regs_t regs; |
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98 | |||
99 | #endif // _DOSISMS_H_ |
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100 |