wolf3d/ID_MM.H
1995-07-21 00:00:00 +00:00

96 lines
No EOL
2.1 KiB
C

// ID_MM.H
#ifndef __ID_CA__
#define __ID_CA__
#define SAVENEARHEAP 0x400 // space to leave in data segment
#define SAVEFARHEAP 0 // space to leave in far heap
#define BUFFERSIZE 0x1000 // miscelanious, allways available buffer
#define MAXBLOCKS 700
//--------
#define EMS_INT 0x67
#define EMS_STATUS 0x40
#define EMS_GETFRAME 0x41
#define EMS_GETPAGES 0x42
#define EMS_ALLOCPAGES 0x43
#define EMS_MAPPAGE 0x44
#define EMS_FREEPAGES 0x45
#define EMS_VERSION 0x46
//--------
#define XMS_INT 0x2f
#define XMS_CALL(v) _AH = (v);\
asm call [DWORD PTR XMSDriver]
#define XMS_VERSION 0x00
#define XMS_ALLOCHMA 0x01
#define XMS_FREEHMA 0x02
#define XMS_GENABLEA20 0x03
#define XMS_GDISABLEA20 0x04
#define XMS_LENABLEA20 0x05
#define XMS_LDISABLEA20 0x06
#define XMS_QUERYA20 0x07
#define XMS_QUERYFREE 0x08
#define XMS_ALLOC 0x09
#define XMS_FREE 0x0A
#define XMS_MOVE 0x0B
#define XMS_LOCK 0x0C
#define XMS_UNLOCK 0x0D
#define XMS_GETINFO 0x0E
#define XMS_RESIZE 0x0F
#define XMS_ALLOCUMB 0x10
#define XMS_FREEUMB 0x11
//==========================================================================
typedef void _seg * memptr;
typedef struct
{
long nearheap,farheap,EMSmem,XMSmem,mainmem;
} mminfotype;
//==========================================================================
extern mminfotype mminfo;
extern memptr bufferseg;
extern boolean mmerror;
extern void (* beforesort) (void);
extern void (* aftersort) (void);
//==========================================================================
void MM_Startup (void);
void MM_Shutdown (void);
void MM_MapEMS (void);
void MM_GetPtr (memptr *baseptr,unsigned long size);
void MM_FreePtr (memptr *baseptr);
void MM_SetPurge (memptr *baseptr, int purge);
void MM_SetLock (memptr *baseptr, boolean locked);
void MM_SortMem (void);
void MM_ShowMemory (void);
long MM_UnusedMemory (void);
long MM_TotalFree (void);
void MM_BombOnError (boolean bomb);
void MML_UseSpace (unsigned segstart, unsigned seglength);
#endif