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Annotation of quake1/dosisms.h, revision 1.1

1.1     ! root        1: 
        !             2: //
        !             3: // dosisms.h: I'd call it dos.h, but the name's taken
        !             4: //
        !             5: 
        !             6: #ifndef _DOSISMS_H_
        !             7: #define _DOSISMS_H_
        !             8: 
        !             9: int dos_lockmem(void *addr, int size);
        !            10: int dos_unlockmem(void *addr, int size);
        !            11: 
        !            12: typedef union {
        !            13:        struct {
        !            14:                unsigned long edi;
        !            15:                unsigned long esi;
        !            16:                unsigned long ebp;
        !            17:                unsigned long res;
        !            18:                unsigned long ebx;
        !            19:                unsigned long edx;
        !            20:                unsigned long ecx;
        !            21:                unsigned long eax;
        !            22:        } d;
        !            23:        struct {
        !            24:                unsigned short di, di_hi;
        !            25:                unsigned short si, si_hi;
        !            26:                unsigned short bp, bp_hi;
        !            27:                unsigned short res, res_hi;
        !            28:                unsigned short bx, bx_hi;
        !            29:                unsigned short dx, dx_hi;
        !            30:                unsigned short cx, cx_hi;
        !            31:                unsigned short ax, ax_hi;
        !            32:                unsigned short flags;
        !            33:                unsigned short es;
        !            34:                unsigned short ds;
        !            35:                unsigned short fs;
        !            36:                unsigned short gs;
        !            37:                unsigned short ip;
        !            38:                unsigned short cs;
        !            39:                unsigned short sp;
        !            40:                unsigned short ss;
        !            41:        } x;
        !            42:        struct {
        !            43:                unsigned char edi[4];
        !            44:                unsigned char esi[4];
        !            45:                unsigned char ebp[4];
        !            46:                unsigned char res[4];
        !            47:                unsigned char bl, bh, ebx_b2, ebx_b3;
        !            48:                unsigned char dl, dh, edx_b2, edx_b3;
        !            49:                unsigned char cl, ch, ecx_b2, ecx_b3;
        !            50:                unsigned char al, ah, eax_b2, eax_b3;
        !            51:        } h;
        !            52: } regs_t;
        !            53: 
        !            54: unsigned int ptr2real(void *ptr);
        !            55: void *real2ptr(unsigned int real);
        !            56: void *far2ptr(unsigned int farptr);
        !            57: unsigned int ptr2far(void *ptr);
        !            58: 
        !            59: int    dos_inportb(int port);
        !            60: int    dos_inportw(int port);
        !            61: void dos_outportb(int port, int val);
        !            62: void dos_outportw(int port, int val);
        !            63: 
        !            64: void dos_irqenable(void);
        !            65: void dos_irqdisable(void);
        !            66: void dos_registerintr(int intr, void (*handler)(void));
        !            67: void dos_restoreintr(int intr);
        !            68: 
        !            69: int    dos_int86(int vec);
        !            70: 
        !            71: void *dos_getmemory(int size);
        !            72: void dos_freememory(void *ptr);
        !            73: 
        !            74: void   dos_usleep(int usecs);
        !            75: 
        !            76: int dos_getheapsize(void);
        !            77: 
        !            78: extern regs_t regs;
        !            79: 
        !            80: #endif // _DOSISMS_H_
        !            81: 

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