-/* Catacomb Armageddon Source Code
+/* Catacomb Apocalypse Source Code
* Copyright (C) 1993-2014 Flat Rock Software
*
* This program is free software; you can redistribute it and/or modify
=============================================================================
*/
-
-#include "src/lib/16_mm.h"
-
/*
-=============================================================================
- LOCAL INFO
+Open Watcom port by sparky4
-=============================================================================
*/
+#include "src/lib/16_mm.h"
+#include "src/lib/16_ca.h"
+#pragma hdrstop
-#define LOCKBIT 0x80 // if set in attributes, block cannot be moved
-#define PURGEBITS 3 // 0-3 level, 0= unpurgable, 3= purge first
-#define PURGEMASK 0xfffc
-#define BASEATTRIBUTES 0 // unlocked, non purgable
-
-#define MAXUMBS 10
-
-typedef struct mmblockstruct
-{
- unsigned start,length;
- unsigned attributes;
- memptr *useptr; // pointer to the segment start
- struct mmblockstruct far *next;
-} mmblocktype;
-
-
-//#define GETNEWBLOCK {if(!(mmnew=mmfree))Quit("MM_GETNEWBLOCK: No free blocks!");mmfree=mmfree->next;}
-#define GETNEWBLOCK {if(!mmfree)MML_ClearBlock();mmnew=mmfree;mmfree=mmfree->next;}
-#define FREEBLOCK(x) {*x->useptr=NULL;x->next=mmfree;mmfree=x;}
+#pragma warn -pro
+#pragma warn -use
/*
=============================================================================
=============================================================================
*/
-mminfotype mminfo;
-memptr bufferseg;
-boolean mmerror;
-
void (* beforesort) (void);
void (* aftersort) (void);
+void (* XMSaddr) (void); // far pointer to XMS driver
/*
=============================================================================
=============================================================================
*/
-boolean mmstarted;
-
-void huge *hugeheap;
-void far *farheap;
-void *nearheap;
-
-mmblocktype far mmblocks[MAXBLOCKS]
- ,far *mmhead,far *mmfree,far *mmrover,far *mmnew;
-
-boolean bombonerror;
-
-unsigned totalEMSpages,freeEMSpages,EMSpageframe,EMSpagesmapped,EMShandle;
-
-void (* XMSaddr) (void); // far pointer to XMS driver
-
-unsigned numUMBs,UMBbase[MAXUMBS];
-
+static char *ParmStringsexmm[] = {"noems","noxms",""};
/*
======================
=======================
*/
-boolean MML_CheckForEMS (void)
+boolean MML_CheckForEMS(void)
{
boolean emmcfems;
- char emmname[] = "EMMXXXX0";
-// mov dx,OFFSET emmname
+ static char emmname[] = "EMMXXXX0"; //fix by andrius4669
__asm {
- LEA DX, emmname //fix by andrius4669
+ mov dx,OFFSET emmname //fix by andrius4669
mov ax,0x3d00
int 0x21 // try to open EMMXXXX0 device
jc error
//
mov emmcfems,1
jmp End
+#ifdef __BORLANDC__
+ }
+#endif
error:
+#ifdef __BORLANDC__
+ __asm {
+#endif
//
// EMS is bad
//
mov emmcfems,0
+#ifdef __BORLANDC__
+ }
+#endif
End:
+#ifdef __WATCOMC__
}
+#endif
return(emmcfems);
}
-
+#ifndef __16_PM__
/*
======================
=
=======================
*/
-void MML_SetupEMS (void)
+byte MML_SetupEMS(global_game_variables_t *gvar)
{
- char str[80],str2[10];
- unsigned err;
+ byte str[160];
+ byte err;
boolean errorflag=false;
- union REGS CPURegs;
- totalEMSpages = freeEMSpages = EMSpageframe = EMSpagesmapped = 0;
+ unsigned int EMSVer = 0;
+ //byte EMS_status;
+ unsigned totalEMSpages,freeEMSpages,EMSPageFrame,EMSpagesmapped,EMSHandle;
+ totalEMSpages = freeEMSpages = EMSPageFrame = EMSpagesmapped = 0;
- __asm
- {
+ __asm {
mov ah,EMS_STATUS
int EMS_INT // make sure EMS hardware is present
or ah,ah
+ //mov [EMS_status],ah
jnz error
mov ah,EMS_VERSION
int EMS_INT
or ah,ah
jnz error
+ mov [EMSVer],ax // set EMSVer
cmp al,0x32 // only work on ems 3.2 or greater
jb error
int EMS_INT // find the page frame address
or ah,ah
jnz error
- mov [EMSpageframe],bx
+ mov [EMSPageFrame],bx
mov ah,EMS_GETPAGES
int EMS_INT // find out how much EMS is there
mov [freeEMSpages],bx
or bx,bx
jz noEMS // no EMS at all to allocate
-
+ //EXPAND DONG!!!!
+ cmp [EMSVer],0x40
+ jb low
+ cmp bx,[freeEMSpages]
+ jle getpages
+ mov bx,[freeEMSpages]
+ jmp getpages
+#ifdef __BORLANDC__
+ }
+#endif
+ low:
+#ifdef __BORLANDC__
+ __asm {
+#endif
cmp bx,4
jle getpages // there is only 1,2,3,or 4 pages
mov bx,4 // we can't use more than 4 pages
-
-getpages:
+#ifdef __BORLANDC__
+ }
+#endif
+ getpages:
+#ifdef __BORLANDC__
+ __asm {
+#endif
mov [EMSpagesmapped],bx
mov ah,EMS_ALLOCPAGES // allocate up to 64k of EMS
int EMS_INT
or ah,ah
jnz error
- mov [EMShandle],dx
+ mov [EMSHandle],dx
jmp End
-error:
+#ifdef __BORLANDC__
+ }
+#endif
+ error:
+#ifdef __BORLANDC__
+ __asm {
+#endif
+ mov err,ah
mov errorflag,1
jmp End
+#ifdef __BORLANDC__
+ }
+#endif
noEMS:
End:
+#ifdef __WATCOMC__
}
+#endif
if(errorflag==true)
{
- err = CPURegs.h.ah;
- strcpy(str,"MML_SetupEMS: EMS error 0x");
- itoa(err,str2,16);
- strcpy(str,str2);
+ strcpy(str,"MM_SetupEMS: EMS error ");
+ MM_EMSerr(str, err);
printf("%s\n",str);
+ return err;
}
+ gvar->mm.totalEMSpages=totalEMSpages;
+ gvar->mm.freeEMSpages=freeEMSpages;
+ gvar->mm.EMSPageFrame=EMSPageFrame;
+ gvar->mm.EMSpagesmapped=EMSpagesmapped;
+ gvar->mm.EMSHandle=EMSHandle;
+ gvar->mm.EMSVer=EMSVer;
+ return 0;
}
=======================
*/
-void MML_ShutdownEMS (void)
+void MML_ShutdownEMS(global_game_variables_t *gvar)
{
boolean errorflag=false;
- if (!EMShandle)
+ unsigned EMSHandle=gvar->mm.EMSHandle;
+
+ if(!EMSHandle)
return;
- __asm
- {
+ __asm {
mov ah,EMS_FREEPAGES
- mov dx,[EMShandle]
+ mov dx,[EMSHandle]
int EMS_INT
or ah,ah
jz ok
mov errorflag,1
+#ifdef __BORLANDC__
+ }
+#endif
ok:
+#ifdef __WATCOMC__
}
- if(errorflag==true) printf("MML_ShutdownEMS: Error freeing EMS!"); //++++ add something
+#endif
+ if(errorflag==true)
+ Quit("MML_ShutdownEMS: Error freeing EMS!\n"); //++++ add something
}
/*
====================
*/
-void MM_MapEMS (void)
+byte MM_MapEMS(global_game_variables_t *gvar)
{
- char str[80],str2[10];
- unsigned err;
+ byte str[160];
+ unsigned EMSHandle;
+ byte err;
boolean errorflag=false;
int i;
- union REGS CPURegs;
+ EMSHandle=gvar->mm.EMSHandle;
- for (i=0;i<EMSpagesmapped;i++)
+ for (i=0;i<4/*MAPPAGES*/;i++)
{
- __asm
- {
+ __asm {
mov ah,EMS_MAPPAGE
mov bx,[i] // logical page
mov al,bl // physical page
- mov dx,[EMShandle] // handle
+ mov dx,[EMSHandle] // handle
int EMS_INT
or ah,ah
jnz error
jmp End
+#ifdef __BORLANDC__
+ }
+#endif
error:
+#ifdef __BORLANDC__
+ __asm {
+#endif
+ mov err,ah
mov errorflag,1
+#ifdef __BORLANDC__
+ }
+#endif
End:
+#ifdef __WATCOMC__
}
+#endif
if(errorflag==true)
{
- err = CPURegs.h.ah;
- strcpy(str,"MM_MapEMS: EMS error 0x");
- itoa(err,str2,16);
- strcpy(str,str2);
+ strcpy(str,"MM_MapEMS: EMS error ");
+ MM_EMSerr(str, err);
printf("%s\n",str);
+ return err;
}
}
- return;
+ gvar->mmi.EMSmem = (i)*0x4000lu;
+ return 0;
}
+byte MM_MapXEMS(global_game_variables_t *gvar)
+{
+//SUB EMS.MapXPages (PhysicalStart, LogicalStart, NumPages, Handle)
+
+ //Maps up to 4 logical EMS pages to physical pages in the page frame, where:
+ //PhysicalStart = Physical page first logical page is mapped to
+ //LogicalStart = First logical page to map
+ //NumPages = Number of pages to map (1 to 4)
+ //Handle = EMS handle logical pages are allocated to
+
+ /*//Create a buffer containing the page information
+// FOR x = 0 TO NumPages - 1
+// MapInfo$ = MapInfo$ + MKI$(LogicalStart + x) + MKI$(PhysicalStart + x)
+// NEXT*/
+
+// Regs.ax = 0x5000 //Map the pages in the buffer
+// Regs.cx = NumPages //to the pageframe
+// Regs.dx = Handle
+// Regs.ds = VARSEG(MapInfo$)
+// Regs.si = SADD(MapInfo$)
+// InterruptX 0x67, Regs, Regs
+// EMS.Error = (Regs.ax AND 0xFF00&) \ 0x100 //Store the status code
+
+//END SUB
+ byte str[160];
+ byte err;
+ word EMSHandle;
+ boolean errorflag=false;
+ int i;
+ EMSHandle=gvar->mm.EMSHandle;
+
+ if(gvar->mm.EMSVer<0x40)
+ return 5;
+
+ for (i=0;i<MAPPAGES;i++)
+ {
+ __asm {
+ mov ah,EMS_MAPXPAGE
+ mov cx,[i] // logical page
+ mov al,bl // physical page
+ mov dx,[EMSHandle] // handle
+ int EMS_INT
+ or ah,ah
+ jnz error
+ jmp End
+#ifdef __BORLANDC__
+ }
+#endif
+ error:
+#ifdef __BORLANDC__
+ __asm {
+#endif
+ mov err,ah
+ mov errorflag,1
+#ifdef __BORLANDC__
+ }
+#endif
+ End:
+#ifdef __WATCOMC__
+ }
+#endif
+ if(errorflag==true)
+ {
+ //strcpy(str,"MM_MapXEMS: EMS error 0x");
+ strcpy(str,"MM_MapXEMS: EMS error ");
+ //itoa(err,str2,16);
+ MM_EMSerr(str, err);
+ printf("%s\n",str);
+ //printf("%s%x\n",str, err);
+ //printf("FACK! %x\n", err);
+ return err;
+ }
+ }
+ gvar->mmi.EMSmem = (i)*0x4000lu;
+ return 0;
+}
+#endif
//==========================================================================
/*
=======================
*/
-boolean MML_CheckForXMS (void)
+boolean MML_CheckForXMS(void)
{
+ //numUMBs = 0;
boolean errorflag=false;
- numUMBs = 0;
- __asm
- {
+ __asm {
mov ax,0x4300
int 0x2f // query status of installed diver
cmp al,0x80
je good
mov errorflag,1
+#ifdef __BORLANDC__
+ }
+#endif
good:
+#ifdef __WATCOMC__
}
+#endif
if(errorflag==true) return false;
else return true;
}
-
+#ifndef __16_PM__
/*
======================
=
=======================
*/
-void MML_SetupXMS (void)
+void MML_SetupXMS(global_game_variables_t *gvar)
{
- unsigned base,size;
+ word base,size;
- __asm
- {
+
+ __asm {
mov ax,0x4310
int 0x2f
mov [WORD PTR XMSaddr],bx
mov [WORD PTR XMSaddr+2],es // function pointer to XMS driver
}
getmemory:
- __asm
- {
+ __asm {
mov ah,XMS_ALLOCUMB
mov dx,0xffff // try for largest block possible
+ //mov ax,dx // Set available Kbytes.
call [DWORD PTR XMSaddr]
or ax,ax
jnz gotone
call [DWORD PTR XMSaddr] // DX holds largest available UMB
or ax,ax
jz done // another error...
-
-gotone:
+#ifdef __BORLANDC__
+ }
+#endif
+ gotone:
+#ifdef __BORLANDC__
+ __asm {
+#endif
mov [base],bx
mov [size],dx
-done:
+#ifdef __BORLANDC__
+ }
+#endif
+ done:
+#ifdef __WATCOMC__
}
- MML_UseSpace (base,size);
- mminfo.XMSmem += size*16;
- UMBbase[numUMBs] = base;
- numUMBs++;
- if (numUMBs < MAXUMBS)
+#endif
+// printf("base=%u ", base); printf("size=%u\n", size);
+ MML_UseSpace(base,size, gvar);
+ gvar->mmi.XMSmem += size*16;
+ gvar->mm.UMBbase[gvar->mm.numUMBs] = base;
+ gvar->mm.numUMBs++;
+ if(gvar->mm.numUMBs < MAXUMBS)
goto getmemory;
}
======================
*/
-void MML_ShutdownXMS (void)
+void MML_ShutdownXMS(global_game_variables_t *gvar)
{
int i;
unsigned base;
- for (i=0;i<numUMBs;i++)
+ for (i=0;i<gvar->mm.numUMBs;i++)
{
- base = UMBbase[i];
- __asm
- {
+ base = gvar->mm.UMBbase[i];
+ __asm {
mov ah,XMS_FREEUMB
mov dx,[base]
call [DWORD PTR XMSaddr]
}
}
}
-
+#endif
//==========================================================================
/*
======================
*/
-void MML_UseSpace (unsigned segstart, unsigned seglength)
+/*void MML_UseSpace(word segstart, dword seglength, global_game_variables_t *gvar)
+{
+ //huge mmblocktype huge *scan,huge *last;
+ word segm=1;
+ word oldend;
+ dword segmlen;
+ dword extra;
+
+ scan = last = gvar->mm.mmhead;
+ gvar->mm.mmrover = gvar->mm.mmhead; // reset rover to start of memory
+
+//
+// search for the block that contains the range of segments
+//
+ while(scan->start+scan->length < segstart)
+ {
+ last = scan;
+ scan = scan->next;
+ }
+
+//
+// take the given range out of the block
+//
+ oldend = scan->start + scan->length;
+ extra = oldend - (segstart+seglength);
+
+ segmlen=extra;
+
+ //++++emsver stuff!
+ if(segm>1)/// || extra>=0x10000lu)
+ //if(extra>0xfffflu)
+ {
+ scan->blob=segm;
+
+ //MML_UseSpace(segstart, seglength, gvar);
+
+ printf("MML_UseSpace: Segment spans two blocks!\n");
+ //}
+ printf("segm=%u ", segm);
+ printf("ex=%lu ", extra);
+ printf("old=%u ", oldend);
+ printf("start+seglen=%lu\n", segstart+seglength);
+ printf("segsta=%x ", segstart);
+ printf("len=%lu ", scan->length);
+ printf("seglen=%lu ", seglength);
+ printf("segmlen=%lu\n", segmlen);
+ }
+//++++todo: linked list of segment!
+ if(segstart == scan->start)
+ {
+ last->next = scan->next; // unlink block
+ FREEBLOCK(scan);
+ scan = last;
+ }
+ else
+ scan->length = segstart-scan->start; // shorten block
+
+ if(extra > 0)
+ {
+ GETNEWBLOCK;
+ gvar->mm.mmnew->useptr = NULL;
+
+ gvar->mm.mmnew->next = scan->next;
+ scan->next = gvar->mm.mmnew;
+ gvar->mm.mmnew->start = segstart+seglength;
+ gvar->mm.mmnew->length = extra;
+ gvar->mm.mmnew->attributes = LOCKBIT;
+ }//else if(segm>0) goto segu;
+
+}*/
+void MML_UseSpace(word segstart, dword seglength, global_game_variables_t *gvar)
{
mmblocktype far *scan,far *last;
- unsigned oldend;
- long extra;
+ word oldend;
+ sdword extra;
+ //word segm=1;
- scan = last = mmhead;
- mmrover = mmhead; // reset rover to start of memory
+ scan = last = gvar->mm.mmhead;
+ gvar->mm.mmrover = gvar->mm.mmhead; // reset rover to start of memory
//
// search for the block that contains the range of segments
scan = scan->next;
}
+//
+// find out how many blocks it spans!
+//
+ /*for(;seglength>=0x10000;seglength-=0xFFFF)
+ {
+ //printf(" seglen=%lu\n", segmlen);
+ segm++;
+ }*/
+
//
// take the given range out of the block
//
oldend = scan->start + scan->length;
- extra = oldend - (segstart+seglength);
+ extra = oldend - (segstart+((unsigned)seglength));
if (extra < 0)
{
- printf("MML_UseSpace: Segment spans two blocks!");
- return;
+ printf("========================================\n");
+ printf("start=%x ", scan->start);
+ printf("old=%u ", oldend);
+ printf("start+seglen=%lu\n", segstart+seglength);
+ printf("segsta=%x ", segstart);
+ printf("len=%lu ", scan->length);
+ printf("seglen=%lu ", seglength);
+ printf("\n");
+ printf("MML_UseSpace: Segment spans two blocks! %d\n", extra);
+ printf("========================================\n");
+ //return;
}
-
if (segstart == scan->start)
{
if (extra > 0)
{
GETNEWBLOCK;
- mmnew->next = scan->next;
- scan->next = mmnew;
- mmnew->start = segstart+seglength;
- mmnew->length = extra;
- mmnew->attributes = LOCKBIT;
+ gvar->mm.mmnew->useptr = NULL;
+
+ gvar->mm.mmnew->next = scan->next;
+ scan->next = gvar->mm.mmnew;
+ gvar->mm.mmnew->start = segstart+seglength;
+ gvar->mm.mmnew->length = extra;
+ gvar->mm.mmnew->attributes = LOCKBIT;
}
}
====================
*/
-void MML_ClearBlock (void)
+void MML_ClearBlock(global_game_variables_t *gvar)
{
+ //huge mmblocktype huge *scan,huge *last;
mmblocktype far *scan,far *last;
- scan = mmhead->next;
+ scan = gvar->mm.mmhead->next;
- while (scan)
+ while(scan)
{
- if (!(scan->attributes&LOCKBIT) && (scan->attributes&PURGEBITS) )
+ if(!(scan->attributes&LOCKBIT) && (scan->attributes&PURGEBITS))
{
- MM_FreePtr(scan->useptr);
+ MM_FreePtr(scan->useptr, gvar);
return;
}
scan = scan->next;
}
- printf("MM_ClearBlock: No purgable blocks!");
+ printf("MM_ClearBlock: No purgable blocks!\n");
}
===================
*/
-static char *ParmStringsexmm[] = {"noems","noxms",""};
-
-void MM_Startup (void)
+void MM_Startup(global_game_variables_t *gvar)
{
int i;
- dword length;
- void far *start;
- unsigned segstart,seglength,endfree;
+ //dword length,seglength;
+ dword length; word seglength;
+ //huge void huge *start;
+ void far *start;
+ word segstart;//,endfree;
+ //memptr *peeonself;
- if (mmstarted)
- MM_Shutdown ();
+ if(gvar->mm.mmstarted)
+ MM_Shutdown(gvar);
+ gvar->mm.mmstarted = true;
+ gvar->mm.bombonerror = true;
- mmstarted = true;
- bombonerror = true;
//
// set up the linked list (everything in the free list;
//
- mmhead = NULL;
- mmfree = &mmblocks[0];
- for (i=0;i<MAXBLOCKS-1;i++)
- mmblocks[i].next = &mmblocks[i+1];
- mmblocks[i].next = NULL;
+ gvar->mm.mmhead = NULL;
+ gvar->mm.mmfree = &(gvar->mm.mmblocks[0]);
+ for(i=0;i<MAXBLOCKS-1;i++)
+ {
+ gvar->mm.mmblocks[i].next = &(gvar->mm.mmblocks[i+1]);
+ }
+ gvar->mm.mmblocks[i].next = NULL;
//
// locked block of all memory until we punch out free space
//
GETNEWBLOCK;
- mmhead = mmnew; // this will allways be the first node
- mmnew->start = 0;
- mmnew->length = 0xffff;
- mmnew->attributes = LOCKBIT;
- mmnew->next = NULL;
- mmrover = mmhead;
-
-
+ gvar->mm.mmhead = gvar->mm.mmnew; // this will allways be the first node
+ gvar->mm.mmnew->start = 0;
+ gvar->mm.mmnew->length = 0xffff;
+ gvar->mm.mmnew->attributes = LOCKBIT;
+ gvar->mm.mmnew->next = NULL;
+ //gvar->mm.mmnew->useptr = peeonself;
+ gvar->mm.mmrover = gvar->mm.mmhead;
+
+ //printf(" %x\n", peeonself);
+ //printf(" %x\n", *peeonself);
//
// get all available near conventional memory segments
//
-//---- length=coreleft();
- length=_memavl();
- start = (void far *)(nearheap = malloc(length));
-
+#ifdef __WATCOMC__
+ _nheapgrow();
+ length=(dword)_memavl();//(dword)GetFreeSize();
+ //huge start = (void huge *)(gvar->mm.nearheap = _nmalloc(length));
+ start = (void far *)(gvar->mm.nearheap = _nmalloc(length));
+#endif
+#ifdef __BORLANDC__
+ length=coreleft();
+ //huge start = (void huge *)(gvar->mm.nearheap = malloc(length));
+ start = (void far *)(gvar->mm.nearheap = malloc(length));
+#endif
length -= 16-(FP_OFF(start)&15);
length -= SAVENEARHEAP;
seglength = length / 16; // now in paragraphs
segstart = FP_SEG(start)+(FP_OFF(start)+15)/16;
- MML_UseSpace (segstart,seglength);
- mminfo.nearheap = length;
+ MML_UseSpace(segstart,seglength, gvar);
+ gvar->mmi.nearheap = length;
+ //printf("start=%Fp segstart=%x seglen=%lu len=%lu\n", start, segstart, seglength, length);
//
// get all available far conventional memory segments
//
-//---- length=farcoreleft();
- length=_memmax();
- start = farheap = _fmalloc(length);
+ //printf("_FARCORELEFT %lu\n", _FCORELEFT);
+#ifdef __WATCOMC__
+ _fheapgrow();
+ length=_FCORELEFT;//_fcoreleft();//(dword)GetFarFreeSize();//0xffffUL*4UL;
+#endif
+#ifdef __BORLANDC__
+ printf("farcoreleft() %lu\n", farcoreleft());
+ printf("(farcoreleft()+32)-_FCORELEFT %d\n", (sword)((farcoreleft()+32)-_FCORELEFT));
+ length=farcoreleft();//_fcoreleft();//(dword)GetFarFreeSize();//0xffffUL*4UL;
+#endif
+ start = gvar->mm.farheap = _fmalloc(length);
+ //start = gvar->mm.farheap = halloc(length, 1);
length -= 16-(FP_OFF(start)&15);
length -= SAVEFARHEAP;
seglength = length / 16; // now in paragraphs
segstart = FP_SEG(start)+(FP_OFF(start)+15)/16;
- MML_UseSpace (segstart,seglength);
- mminfo.farheap = length;
- mminfo.mainmem = mminfo.nearheap + mminfo.farheap;
+ MML_UseSpace(segstart,seglength, gvar);
+ gvar->mmi.farheap = length;
+ //printf("start=%Fp segstart=%x seglen=%lu len=%lu\n", start, segstart, seglength, length);
+ gvar->mmi.mainmem = gvar->mmi.nearheap + gvar->mmi.farheap;
+#ifndef __16_PM__
+ if(!dbg_debugpm) {
//
// detect EMS and allocate up to 64K at page frame
//
- mminfo.EMSmem = 0;
- for (i = 1;i < __argc;i++)
+ gvar->mmi.EMSmem = 0;
+//goto emsskip; //0000
+ for(i = 1;i < _argc;i++)
{
- if ( US_CheckParm(__argv[i],ParmStringsexmm) == 0)
+ if(US_CheckParm(_argv[i],ParmStringsexmm) == 0)
goto emsskip; // param NOEMS
}
-
- if (MML_CheckForEMS())
+ if(MML_CheckForEMS())
{
- MML_SetupEMS(); // allocate space
- MML_UseSpace (EMSpageframe,EMSpagesmapped*0x400);
- MM_MapEMS(); // map in used pages
- mminfo.EMSmem = EMSpagesmapped*0x4000l;
+ MML_SetupEMS(gvar); // allocate space
+ //16_PM: EMS4! AND EMS 3.2 MASSIVE DATA HANDLMENT!
+ MML_UseSpace(gvar->mm.EMSPageFrame,(MAPPAGES)*0x4000lu, gvar);
+ //if(gvar->pm.emm.EMSVer<0x40)
+ MM_MapEMS(gvar); // map in used pages
+ //else
+ //MM_MapXEMS(gvar); // map in used pages
}
//
// detect XMS and get upper memory blocks
//
emsskip:
- mminfo.XMSmem = 0;
- for (i = 1;i < __argc;i++)
+ gvar->mmi.XMSmem = 0;
+goto xmsskip;//0000
+ for(i = 1;i < _argc;i++)
{
- if ( US_CheckParm(__argv[i],ParmStringsexmm) == 0)
+ if(US_CheckParm( _argv[i],ParmStringsexmm) == 0)
goto xmsskip; // param NOXMS
}
+ if(MML_CheckForXMS())
+ {
+ MML_SetupXMS(gvar); // allocate as many UMBs as possible
+ }
- if (MML_CheckForXMS())
- MML_SetupXMS(); // allocate as many UMBs as possible
-
+ }
+xmsskip:
+#endif
//
// allocate the misc buffer
//
-xmsskip:
- mmrover = mmhead; // start looking for space after low block
+ gvar->mm.mmrover = gvar->mm.mmhead; // start looking for space after low block
- MM_GetPtr (&bufferseg,BUFFERSIZE);
+ MM_GetPtr(&(gvar->mm.bufferseg),BUFFERSIZE, gvar);
}
//==========================================================================
====================
*/
-void MM_Shutdown (void)
+void MM_Shutdown(global_game_variables_t *gvar)
{
- if (!mmstarted)
- return;
-
- _ffree (farheap);
- free (nearheap);
- hfree(hugeheap);
- MML_ShutdownEMS ();
- MML_ShutdownXMS ();
+ if(!(gvar->mm.mmstarted))
+ return;
+
+ _ffree(gvar->mm.farheap);// printf(" far freed\n");
+#ifdef __WATCOMC__
+ _nfree(gvar->mm.nearheap);// printf(" near freed\n");
+#endif
+#ifdef __BORLANDC__
+ free(gvar->mm.nearheap);// printf(" near freed\n");
+#endif
+#ifndef __16_PM__
+#ifdef __DEBUG__
+ if(!dbg_debugpm) {
+#endif
+ if(MML_CheckForEMS()){ MML_ShutdownEMS(gvar); }//printf(" EMS freed\n"); }
+ if(MML_CheckForXMS()){ MML_ShutdownXMS(gvar); }//printf(" XMS freed\n"); }
+#ifdef __DEBUG__
+ }
+#endif
+#endif
}
//==========================================================================
====================
*/
-void MM_GetPtr (memptr *baseptr,dword size)
+void MM_GetPtr (memptr *baseptr, dword size, global_game_variables_t *gvar)
{
- mmblocktype far *scan,far *lastscan,far *endscan
- ,far *purge,far *next;
+ //huge mmblocktype huge *scan,huge *lastscan,huge *endscan,huge *purge,huge *next;
+ mmblocktype far *scan,far *lastscan,far *endscan,far *purge,far *next;
int search;
unsigned needed,startseg;
needed = (size+15)/16; // convert size from bytes to paragraphs
GETNEWBLOCK; // fill in start and next after a spot is found
- mmnew->length = needed;
- mmnew->useptr = baseptr;
- mmnew->attributes = BASEATTRIBUTES;
+ gvar->mm.mmnew->length = needed;
+ gvar->mm.mmnew->useptr = baseptr;
+ //if(gvar->mm.mmnew->useptr==NULL){
+#ifdef __DEBUG_MM__
+ printf("MM_GetPtr\n");
+ //%04x
+ printf(" baseptr=%Fp ", baseptr); printf("useptr=%Fp\n", gvar->mm.mmnew->useptr);
+ printf(" *baseptr=%Fp ", *baseptr); printf("*useptr=%Fp\n", *(gvar->mm.mmnew->useptr));
+ printf(" &baseptr=%Fp ", &baseptr); printf("&useptr=%Fp\n", &(gvar->mm.mmnew->useptr));
+#endif
+ //exit(-5); }
+ gvar->mm.mmnew->attributes = BASEATTRIBUTES;
+//tryagain:
for (search = 0; search<3; search++)
{
//
// first search: try to allocate right after the rover, then on up
// second search: search from the head pointer up to the rover
// third search: compress memory, then scan from start
- if (search == 1 && mmrover == mmhead)
+ if (search == 1 && gvar->mm.mmrover == gvar->mm.mmhead)
search++;
switch (search)
{
case 0:
- lastscan = mmrover;
- scan = mmrover->next;
+ lastscan = gvar->mm.mmrover;
+ scan = gvar->mm.mmrover->next;
endscan = NULL;
break;
case 1:
- lastscan = mmhead;
- scan = mmhead->next;
- endscan = mmrover;
+ lastscan = gvar->mm.mmhead;
+ scan = gvar->mm.mmhead->next;
+ endscan = gvar->mm.mmrover;
break;
case 2:
- MM_SortMem ();
- lastscan = mmhead;
- scan = mmhead->next;
+ MM_SortMem (gvar);
+ lastscan = gvar->mm.mmhead;
+ scan = gvar->mm.mmhead->next;
endscan = NULL;
break;
}
// and allocate the new block
//
purge = lastscan->next;
- lastscan->next = mmnew;
- mmnew->start = *(unsigned *)baseptr = startseg;
- mmnew->next = scan;
+ lastscan->next = gvar->mm.mmnew;
+ gvar->mm.mmnew->start = *(unsigned *)baseptr = startseg;
+ gvar->mm.mmnew->next = scan;
while ( purge != scan)
{ // free the purgable block
next = purge->next;
FREEBLOCK(purge);
purge = next; // purge another if not at scan
}
- mmrover = mmnew;
+ gvar->mm.mmrover = gvar->mm.mmnew;
return; // good allocation!
}
}
}
- if (bombonerror)
- printf(OUT_OF_MEM_MSG,(size-mminfo.nearheap));
+ if (gvar->mm.bombonerror)
+ {
+#ifdef __WATCOMC__
+ //heapdump();
+#endif
+ printf(OUT_OF_MEM_MSG,(size-gvar->mmi.nearheap));
+ printf("for stability reasons the program will shut down! wwww\n");
+ MM_Shutdown(gvar);
+ exit(-1);
+ }
else
- mmerror = true;
+ gvar->mm.mmerror = true;
}
//==========================================================================
====================
*/
-void MM_FreePtr (memptr *baseptr)
+void MM_FreePtr(memptr *baseptr, global_game_variables_t *gvar)
{
+ //huge mmblocktype huge *scan,huge *last;
mmblocktype far *scan,far *last;
- last = mmhead;
+ last = gvar->mm.mmhead;
scan = last->next;
- if (baseptr == mmrover->useptr) // removed the last allocated block
- mmrover = mmhead;
+ if(baseptr == gvar->mm.mmrover->useptr) // removed the last allocated block
+ gvar->mm.mmrover = gvar->mm.mmhead;
- while (scan->useptr != baseptr && scan)
+ while(scan->useptr != baseptr && scan)
{
last = scan;
scan = scan->next;
}
- if (!scan)
+ if(!scan)
{
- printf("MM_FreePtr: Block not found!");
+ printf("MM_FreePtr: Block not found!\n");
return;
}
=====================
*/
-void MM_SetPurge (memptr *baseptr, int purge)
+
+void MM_SetPurge(memptr *baseptr, int purge, global_game_variables_t *gvar)
{
+ //huge mmblocktype huge *start;
mmblocktype far *start;
- start = mmrover;
+ start = gvar->mm.mmrover;
do
{
- if (mmrover->useptr == baseptr)
+ if(gvar->mm.mmrover->useptr == baseptr)
break;
- mmrover = mmrover->next;
+ gvar->mm.mmrover = gvar->mm.mmrover->next;
- if (!mmrover)
- mmrover = mmhead;
- else if (mmrover == start)
+ if(!gvar->mm.mmrover)
+ gvar->mm.mmrover = gvar->mm.mmhead;
+ else if(gvar->mm.mmrover == start)
{
- printf("MM_SetPurge: Block not found!");
- return;
+ Quit("MM_SetPurge: Block not found!");
+ //return;
}
- } while (1);
+ } while(1);
- mmrover->attributes &= ~PURGEBITS;
- mmrover->attributes |= purge;
+ gvar->mm.mmrover->attributes &= ~PURGEBITS;
+ gvar->mm.mmrover->attributes |= purge;
}
//==========================================================================
=====================
*/
-void MM_SetLock (memptr *baseptr, boolean locked)
+void MM_SetLock(memptr *baseptr, boolean locked, global_game_variables_t *gvar)
{
+ //huge mmblocktype huge *start;
mmblocktype far *start;
- start = mmrover;
+ start = gvar->mm.mmrover;
do
{
- if (mmrover->useptr == baseptr)
+ if(gvar->mm.mmrover->useptr == baseptr)
break;
- mmrover = mmrover->next;
+ gvar->mm.mmrover = gvar->mm.mmrover->next;
- if (!mmrover)
- mmrover = mmhead;
- else if (mmrover == start)
+ if(!gvar->mm.mmrover)
+ gvar->mm.mmrover = gvar->mm.mmhead;
+ else if(gvar->mm.mmrover == start)
{
- printf("MM_SetLock: Block not found!");
- return;
+ Quit("MM_SetLock: Block not found!");
+ //return;
}
- } while (1);
+ } while(1);
- mmrover->attributes &= ~LOCKBIT;
- mmrover->attributes |= locked*LOCKBIT;
+ gvar->mm.mmrover->attributes &= ~LOCKBIT;
+ gvar->mm.mmrover->attributes |= locked*LOCKBIT;
}
//==========================================================================
=====================
*/
-void MM_SortMem (void)
+void MM_SortMem(global_game_variables_t *gvar)
{
+ //huge mmblocktype huge *scan,huge *last,huge *next;
mmblocktype far *scan,far *last,far *next;
unsigned start,length,source,dest,oldborder;
int playing;
// lock down a currently playing sound
//
/*++++ playing = SD_SoundPlaying ();
- if (playing)
+ if(playing)
{
switch (SoundMode)
{
// oldborder = bordercolor;
// VW_ColorBorder (15);
- if (beforesort)
+ if(beforesort)
beforesort();
- scan = mmhead;
+ scan = gvar->mm.mmhead;
last = NULL; // shut up compiler warning
- while (scan)
+ while(scan)
{
- if (scan->attributes & LOCKBIT)
+ if(scan->attributes & LOCKBIT)
{
//
// block is locked, so try to pile later blocks right after it
}
else
{
- if (scan->attributes & PURGEBITS)
+ if(scan->attributes & PURGEBITS)
{
//
// throw out the purgable block
//
next = scan->next;
FREEBLOCK(scan);
+ //MM_FreeBlock(scan, gvar);
last->next = next;
scan = next;
continue;
//
// push the non purgable block on top of the last moved block
//
- if (scan->start != start)
+ if(scan->start != start)
{
length = scan->length;
source = scan->start;
dest = start;
- while (length > 0xf00)
+ while(length > 0xf00)
{
movedata(source,0,dest,0,0xf00*16);
length -= 0xf00;
scan = scan->next; // go to next block
}
- mmrover = mmhead;
+ gvar->mm.mmrover = gvar->mm.mmhead;
- if (aftersort)
+ if(aftersort)
aftersort();
// VW_ColorBorder (oldborder);
-/*++++ if (playing)
+/*++++ if(playing)
MM_SetLock(&(memptr)audiosegs[playing],false);*/
}
-
//==========================================================================
-//****
-#if 0
/*
=====================
=
=====================
*/
-void MM_ShowMemory (void)
+void MM_ShowMemory(global_game_variables_t *gvar)
{
+ //huge mmblocktype huge *scan;
mmblocktype far *scan;
- unsigned color,temp;
- long end,owner;
- char scratch[80],str[10];
-
+ word temp;
+ sdword end,owner;
+ //word chx,chy;
+ word w;
+ //dword wwww;
+ byte scratch[160],scratch0[4096],scratch1[160],str[16];
+ //byte d = '#';
//**** VW_SetDefaultColors();
//**** VW_SetLineWidth(40);
- temp = bufferofs;
- bufferofs = 0;
+//++++mh temp = bufferofs;
+//++++mh bufferofs = 0;
//**** VW_SetScreen (0,0);
-
- scan = mmhead;
-
+ scan = gvar->mm.mmhead;
end = -1;
-//CA_OpenDebug ();
-
- while (scan)
+ CA_OpenDebug (gvar);
+ w=0;
+ while(scan)
{
- if (scan->attributes & PURGEBITS)
- color = 5; // dark purple = purgable
+ strcpy(scratch, AARESET);
+ if(scan->attributes & PURGEBITS)
+ strcpy(scratch0, AAMAGENTA); // dark purple = purgable
else
- color = 9; // medium blue = non purgable
- if (scan->attributes & LOCKBIT)
- color = 12; // red = locked
- if (scan->start<=end)
+ strcpy(scratch0, AABLUE); // medium blue = non purgable
+ if(scan->attributes & LOCKBIT)
+ strcpy(scratch0, AARED); // red = locked
+ if(scan->start<=end)
{
- printf("MM_ShowMemory: Memory block order currupted!");
- return;
+ printf("\nend==%d\n\n", end);
+ strcat(scratch, "MM_ShowMemory: Memory block order currupted!\n");
+ strcat(scratch, "End's Size: ");
+ ultoa (end,str,10);
+ strcat (scratch,str);
+ strcat(scratch, "\nscan->start's Size: ");
+ ultoa (scan->start,str,10);
+ strcat (scratch,str);
+ write(gvar->handle.debughandle,scratch,strlen(scratch));
+ //modexprint(&page, chx, chy, 1, 0, 24, "\nMM_ShowMemory: Memory block order currupted!\n");
+ break;
}
- end = scan->start+scan->length-1;
-//**** VW_Hlin(scan->start,(unsigned)end,0,color);
-//**** VW_Plot(scan->start,0,15);
-//**** if (scan->next->start > end+1)
-//**** VW_Hlin(end+1,scan->next->start,0,0); // black = free
-
-//****#if 0
-strcpy (scratch,"Size:");
-ltoa ((long)scan->length*16,str,10);
-strcat (scratch,str);
-strcat (scratch,"\tOwner:0x");
-owner = (unsigned)scan->useptr;
-ultoa (owner,str,16);
-strcat (scratch,str);
-strcat (scratch,"\n");
-//++++write (debughandle,scratch,strlen(scratch));
-//****#endif
+ end = scan->start+(scan->length)-1;
+//++++ chy = scan->start/320;
+//++++ chx = scan->start%320;
+ //modexhlin(page, scan->start, (unsigned)end, chy, color);
+ //for(chx=scan->start;chx+4>=(word)end;chx+=4)
+ //{
+//++++ modexClearRegion(page, chx, chy, 4, 4, color);
+ //}
+//++++ VW_Hlin(scan->start,(unsigned)end,0,color);
+ for(w=(scan->start)/80;w<=end/80;w++)
+ {
+ //printf("+ %u %lu\n", w, scan->length);
+ strcat(scratch0, "+");
+ }
+ //++==++==optional strcat(scratch0, AARESET); strcat(scratch0, AAGREY); strcat(scratch0,"_");
+//++++ VW_Plot(scan->start,0,15);
+//++++ modexClearRegion(page, chx, chy, 4, 4, 15);
+//++++ VW_Hlin(end+1,scan->next->start,0,0); // black = free
+
+ //wwww=(dword)(scan->next->start)-(dword)scan->start;
+ //wwww=(dword)scan->start+(dword)(scan->next->start);
+ if (scan->next && scan->next->start >= end+1)
+ {
+ strcat(scratch0, AARESET);
+ //++==++==optional strcat(scratch0, "\n");
+ strcat(scratch0,AAGREEN);
+ for(w=(end+1)/80;w<=((scan->next->start-scan->start)/80);w++)
+ //for(w=(wwww)/80;w<=((end+1)/80);w++)
+ //for(w=(end+1)/80;w<=((wwww)/80);w++)
+ {
+ //printf("0 %x %u %lu\n", scan->next->start, w, scan->length);
+ strcat(scratch0,"0");
+ }
+ //printf("==================\n");
+ //printf("w=%u wwww=%lu start=%04x next=%04x end=%lu\n", w/80, wwww/80, scan->start, (scan->next->start), end+1);
+ //printf("==================\n");
+ strcat(scratch0, "\n");
+ //getch();
+ }/*else {//if(scan->next->start <= scan->start){
+ scan->next->start=scan->start+0x1000;
+ wwww=(dword)(scan->next->start)-(dword)scan->start;
+ strcat(scratch0, AARESET);
+ strcat(scratch0, "\n");
+ strcat(scratch0,AAGREEN);
+ for(w=(end+1);w<=(0x1000/80);w++)
+ {
+ //printf("0 %x %x %u\n", scan->start, w);
+ strcat(scratch0,"0");
+ }
+ printf("================\n");
+ printf("w=%x start=%x next=%x end=%u %lu\n", w, scan->start, (scan->next->start), end+1, wwww);
+ printf("================\n");
+ getch();
+ }*/
+ strcat(scratch0, AARESET);
+ //strcat(scratch0,"\n");
+ //for(chx=scan->next->start;chx+4>=(word)end+1;chx+=4)
+ //{
+// chx+=scan->next->start;
+// modexClearRegion(page, chx, chy, 4, 4, 2);
+ //}
+ //modexhlin(page, end+1,scan->next->start, chy, 0);
+/* y = scan->start/320;
+ x = scan->start%320;
+ VW_Hlin(x,x+end,y,color);
+ VW_Plot(x,y,15);*/
+//++++ VW_Hlin(x+end+1,x+(scan->next->start-scan->start),y,0); // black = free
+ strcat(scratch,"Seg:");
+ ultoa (scan->start,str,16);
+ strcat (scratch,str);
+ strcat (scratch,"\tSize:");
+ ultoa ((unsigned)scan->length,str,10);
+ strcat (scratch,str);
+ strcat (scratch,"\tOwner:0x");
+ owner = (unsigned)scan->useptr;
+ ultoa (owner,str,16);
+ strcat (scratch,str);
+ strcat (scratch,"\n");
+ write(gvar->handle.debughandle,scratch,strlen(scratch));
+ write(gvar->handle.debughandle,scratch0,strlen(scratch0));
+//modexprint(page, chx, chy, 1, 0, 24, &scratch);
+//++++chy+=4;
+//fprintf(stdout, "%s", scratch);
scan = scan->next;
}
-
-//CA_CloseDebug ();
+ /*strcpy(scratch1, AARESET);
+ strcat(scratch1, "========================================\n");
+ strcat(scratch1, "near= ");
+ ultoa (*(gvar->mm.nearheap),str,10);
+ strcat (scratch1,str);
+ strcat(scratch1, " far= ");
+ ultoa (*(gvar->mm.farheap),str,10);
+ strcat (scratch1,str);
+ strcat(scratch1, "\n");
+ //strcat(scratch1, "&near= %Fp ", &(gvar->mm.nearheap));
+ //strcat(scratch1, "&far= %Fp", &(gvar->mm.farheap));
+ //strcat(scratch1, "\n");
+ strcat(scratch1, "========================================\n");
+ write(gvar->handle.debughandle,scratch1,strlen(scratch1));*/
+
+
+ CA_CloseDebug (gvar);
//++++mh IN_Ack();
//**** VW_SetLineWidth(64);
- bufferofs = temp;
+//++++mh bufferofs = temp;
}
-//****
+
+//==========================================================================
+
+/*
+=====================
+=
+= MM_DumpData
+=
+=====================
+*/
+
+void MM_DumpData(global_game_variables_t *gvar)
+{
+ //huge mmblocktype huge *scan,huge *best;
+ mmblocktype far *scan,far *best;
+ long lowest,oldlowest;
+ word owner;
+ byte lock,purge;
+ FILE *dumpfile;
+
+ free(gvar->mm.nearheap);
+#ifdef __BORLANDC__
+ dumpfile = fopen ("mmdump.16b","w");
#endif
+#ifdef __WATCOMC__
+ dumpfile = fopen ("mmdump.16w","w");
+#endif
+ if (!dumpfile){
+ printf("MM_DumpData: Couldn't open MMDUMP.16!\n");
+ return;
+ }
+
+ lowest = -1;
+ do
+ {
+ oldlowest = lowest;
+ lowest = 0xffff;
+
+ scan = gvar->mm.mmhead;
+ while (scan)
+ {
+ owner = (unsigned)scan->useptr;
+
+ if (owner && owner<lowest && owner > oldlowest)
+ {
+ best = scan;
+ lowest = owner;
+ }
+
+ scan = scan->next;
+ }
+
+ if (lowest != 0xffff)
+ {
+ if (best->attributes & PURGEBITS)
+ purge = 'P';
+ else
+ purge = '-';
+ if (best->attributes & LOCKBIT)
+ lock = 'L';
+ else
+ lock = '-';
+ fprintf (dumpfile,"0x%p (%c%c) = %u\n"
+ ,(unsigned)lowest,lock,purge,best->length);
+ }
+
+ } while (lowest != 0xffff);
+
+ fclose(dumpfile);
+ printf("MMDUMP.16 created.\n");
+}
//==========================================================================
======================
*/
-long MM_UnusedMemory (void)
+dword MM_UnusedMemory(global_game_variables_t *gvar)
{
- unsigned free;
+ dword free;
+ //huge mmblocktype huge *scan;
mmblocktype far *scan;
free = 0;
- scan = mmhead;
+ scan = gvar->mm.mmhead;
- while (scan->next)
+ while(scan->next)
{
free += scan->next->start - (scan->start + scan->length);
scan = scan->next;
}
- return free*16l;
+ return free*16lu;
+// return free;
}
//==========================================================================
======================
*/
-long MM_TotalFree (void)
+dword MM_TotalFree(global_game_variables_t *gvar)
{
- unsigned free;
+ dword free;
+ //huge mmblocktype huge *scan;
mmblocktype far *scan;
free = 0;
- scan = mmhead;
+ scan = gvar->mm.mmhead;
- while (scan->next)
+ while(scan->next)
{
- if ((scan->attributes&PURGEBITS) && !(scan->attributes&LOCKBIT))
+ if((scan->attributes&PURGEBITS) && !(scan->attributes&LOCKBIT))
free += scan->length;
free += scan->next->start - (scan->start + scan->length);
scan = scan->next;
}
- return free*16l;
+ return free*16lu;
+// return free;
}
//==========================================================================
/*
=====================
=
-= MM_BombOnError
+= MM_Report
=
=====================
*/
-void MM_BombOnError (boolean bomb)
+void MM_Report_(global_game_variables_t *gvar)
{
- bombonerror = bomb;
+ printf("========================================\n");
+ printf(" MM_Report_\n");
+ printf("========================================\n");
+ if(MML_CheckForEMS())
+ {
+ printf(" %cLIMEMS %u\n", 0xC9, gvar->pm.emm.EMSPresent);
+ printf(" %c%cEMM v%x.%x available\n", 0xC7, 0xC4, gvar->pm.emm.EMSVer>>4,gvar->pm.emm.EMSVer&0x0F);
+ printf(" %c%ctotalEMSpages: %u ", 0xC7, 0xC4, gvar->pm.emm.totalEMSpages); printf("freeEMSpages: %u\n", gvar->pm.emm.freeEMSpages);
+ printf(" %c%cEMSPageFrame: %04x\n", 0xC7, 0xC4, gvar->pm.emm.EMSPageFrame);
+ printf(" %c%cEMSmem: %lu\n", 0xD3, 0xC4, gvar->mmi.EMSmem);
+ }
+ if(MML_CheckForXMS())
+ {
+ printf(" %cXMS %u\n", 0xC9, gvar->pm.xmm.XMSPresent);
+ printf(" %c%cXMS v%x.%x available\n", 0xC7, 0xC4, XMSVer>>8,XMSVer&0x0F);
+ printf(" %c%cXMSDriver: %Fp\n", 0xC7, 0xC4, XMSDriver);
+ printf(" %c%cXMSHandle: %04x\n", 0xC7, 0xC4, gvar->pm.xmm.XMSHandle);
+ printf(" %c%cXMSmem: %lu\n", 0xD3, 0xC4, gvar->mmi.XMSmem);
+ }
+ printf(" %cConv. %u\n", 0xC9, gvar->pm.mm.MainPresent); DebugMemory_(gvar, 0);
+ //printf("mainmem: %lu\n", gvar->mmi.mainmem);
+ //printf("Total convmem: %lu ", gvar->mmi.mainmem); printf("TotalFree: %lu ", MM_TotalFree(gvar)+gvar->mmi.EMSmem+gvar->mmi.XMSmem+gvar->mmi.XMSmem); printf("TotalUsed: %lu\n", gvar->mmi.mainmem);
+ //printf(" UnusedMemory: %lu\n", MM_UnusedMemory(gvar));
+ printf("nearheap: %lu ", gvar->mmi.nearheap); printf("farheap: %lu\n", gvar->mmi.farheap);
}
-///////////////////////////////////////////////////////////////////////////
-//
-// US_CheckParm() - checks to see if a string matches one of a set of
-// strings. The check is case insensitive. The routine returns the
-// index of the string that matched, or -1 if no matches were found
-//
-///////////////////////////////////////////////////////////////////////////
-int
-US_CheckParm(char *parm,char **strings)
+//==========================================================================
+
+/*
+=====================
+=
+= MM_EMSerr
+=
+=====================
+*/
+
+void MM_EMSerr(byte *stri, byte err)
{
- char cp,cs,
- *p,*s;
- int i;
+ //Returns a text string describing the error code in EMS.Error.
+ switch(err)
+ {
+ case 0x0:
+ strcat(stri, "successful");
+ break;
+ case 0x80:
+ strcat(stri, "internal error");
+ break;
+ case 0x81:
+ strcat(stri, "hardware malfunction");
+ break;
+ case 0x82:
+ strcat(stri, "busy .. retry later");
+ break;
+ case 0x83:
+ strcat(stri, "invalid handle");
+ break;
+ case 0x84:
+ strcat(stri, "undefined function requested by application");
+ break;
+ case 0x85:
+ strcat(stri, "no more handles available");
+ break;
+ case 0x86:
+ strcat(stri, "error in save or restore of mapping context");
+ break;
+ case 0x87:
+ strcat(stri, "insufficient memory pages in system");
+ break;
+ case 0x88:
+ strcat(stri, "insufficient memory pages available");
+ break;
+ case 0x89:
+ strcat(stri, "zero pages requested");
+ break;
+ case 0x8A:
+ strcat(stri, "invalid logical page number encountered");
+ break;
+ case 0x8B:
+ strcat(stri, "invalid physical page number encountered");
+ break;
+ case 0x8C:
+ strcat(stri, "page-mapping hardware state save area is full");
+ break;
+ case 0x8D:
+ strcat(stri, "save of mapping context failed");
+ break;
+ case 0x8E:
+ strcat(stri, "restore of mapping context failed");
+ break;
+ case 0x8F:
+ strcat(stri, "undefined subfunction");
+ break;
+ case 0x90:
+ strcat(stri, "undefined attribute type");
+ break;
+ case 0x91:
+ strcat(stri, "feature not supported");
+ break;
+ case 0x92:
+ strcat(stri, "successful, but a portion of the source region has been overwritten");
+ break;
+ case 0x93:
+ strcat(stri, "length of source or destination region exceeds length of region allocated to either source or destination handle");
+ break;
+ case 0x94:
+ strcat(stri, "conventional and expanded memory regions overlap");
+ break;
+ case 0x95:
+ strcat(stri, "offset within logical page exceeds size of logical page");
+ break;
+ case 0x96:
+ strcat(stri, "region length exceeds 1 MB");
+ break;
+ case 0x97:
+ strcat(stri, "source and destination EMS regions have same handle and overlap");
+ break;
+ case 0x98:
+ strcat(stri, "memory source or destination type undefined");
+ break;
+ case 0x9A:
+ strcat(stri, "specified alternate map register or DMA register set not supported");
+ break;
+ case 0x9B:
+ strcat(stri, "all alternate map register or DMA register sets currently allocated");
+ break;
+ case 0x9C:
+ strcat(stri, "alternate map register or DMA register sets not supported");
+ break;
+ case 0x9D:
+ strcat(stri, "undefined or unallocated alternate map register or DMA register set");
+ break;
+ case 0x9E:
+ strcat(stri, "dedicated DMA channels not supported");
+ break;
+ case 0x9F:
+ strcat(stri, "specified dedicated DMA channel not supported");
+ break;
+ case 0xA0:
+ strcat(stri, "no such handle name");
+ break;
+ case 0xA1:
+ strcat(stri, "a handle found had no name, or duplicate handle name");
+ break;
+ case 0xA2:
+ strcat(stri, "attempted to wrap around 1M conventional address space");
+ break;
+ case 0xA3:
+ strcat(stri, "source array corrupted");
+ break;
+ case 0xA4:
+ strcat(stri, "operating system denied access");
+ break;
+ default:
+ strcat(stri, "undefined error");
+ }
+}
- while (!isalpha(*parm)) // Skip non-alphas
- parm++;
+//==========================================================================
+
+/*
+=====================
+=
+= MM_BombOnError
+=
+=====================
+*/
- for (i = 0;*strings && **strings;i++)
+void MM_BombOnError(boolean bomb, global_game_variables_t *gvar)
+{
+ gvar->mm.bombonerror = bomb;
+}
+
+/*void MM_GetNewBlock(global_game_variables_t *gvar)
+{
+ if(!gvar->mm.mmfree)
+ MML_ClearBlock(gvar);
+ gvar->mm.mmnew=gvar->mm.mmfree;
+ gvar->mm.mmfree=gvar->mm.mmfree->next;
+ if(!(gvar->mm.mmnew=gvar->mm.mmfree))
{
- for (s = *strings++,p = parm,cs = cp = 0;cs == cp;)
- {
- cs = *s++;
- if (!cs)
- return(i);
- cp = *p++;
-
- if (isupper(cs))
- cs = tolower(cs);
- if (isupper(cp))
- cp = tolower(cp);
- }
+ printf("MM_GETNEWBLOCK: No free blocks!\n");
+ return;
+ }
+ gvar->mm.mmfree=gvar->mm.mmfree->next;
+}
+
+void MM_FreeBlock(mmblocktype *x, global_game_variables_t *gvar)
+{
+ x->useptr=NULL;
+ x->next=gvar->mm.mmfree;
+ gvar->mm.mmfree=x;
+}*/
+
+void xms_call(byte v, global_game_variables_t *gvar)
+{
+ dword XMSDriver = gvar->pm.xmm.XMSDriver;
+ __asm {
+ mov ah,[v]
+ call [DWORD PTR XMSDriver]
+ }
+}
+
+/*void MM_seguin(void)
+{
+ __asm {
+ push ds
+ mov ax,ds
+ inc ax
+ mov ds,ax
}
- return(-1);
}
+void MM_segude(void)
+{
+ __asm {
+ pop ds
+ }
+}*/
+
+/*
+pull data from far and put it into ds var
+mov ax,es:si
+mov x,ax
+*/
+/*
+ss stack segment
+sp top of stack
+bp bottem of stack
+*/
projects / 16.git / blobdiff