2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
3 SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
6 IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
8 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
19 typedef struct dpmi_real_regs {
23 uint reserved_by_system;
29 ushort es,ds,fs,gs,ip,cs,sp,ss;
32 #pragma intrinsic( inp );
33 #pragma intrinsic( outp );
34 #pragma intrinsic( _enable );
35 #pragma intrinsic( _disable );
37 #define DPMI_real_segment(P) ((((uint) (P)) >> 4) & 0xFFFF)
38 #define DPMI_real_offset(P) (((uint) (P)) & 0xF)
40 // Initializes dpmi. Returns zero if failed.
41 extern int dpmi_init(int verbose);
42 // Returns a pointer to a temporary dos memory block. Size must be < 1024 bytes.
43 extern void *dpmi_get_temp_low_buffer( int size );
44 extern void *dpmi_real_malloc( int size, ushort *selector );
45 extern void dpmi_real_free( ushort selector );
46 extern void dpmi_real_int386x( ubyte intno, dpmi_real_regs * rregs );
47 extern void dpmi_real_call(dpmi_real_regs * rregs);
48 extern int dpmi_lock_region(void *address, unsigned length);
49 extern int dpmi_unlock_region(void *address, unsigned length);
50 // returns 0 if failed...
51 extern int dpmi_allocate_selector( void * address, int size, ushort * selector );
52 extern int dpmi_modify_selector_base( ushort selector, void * address );
53 extern int dpmi_modify_selector_limit( ushort selector, int size );
56 // Sets the PM handler. Returns 0 if succssful
57 extern int dpmi_set_pm_handler(unsigned intnum, void far * isr );
59 extern unsigned int dpmi_virtual_memory;
60 extern unsigned int dpmi_available_memory;
61 extern unsigned int dpmi_physical_memory;
62 extern unsigned int dpmi_dos_memory;