X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Flib%2F16_mm.c;h=47fde07ead0b09be407aa61cdfea5a963c34b7fc;hb=301b6cec901de3e3f4c27f85c672c0600a90a528;hp=b609f2e7dafb64efa47dd1a1337ba0b2428ac0c4;hpb=f4e34c1b65530dd69c17cac12fee72337d8a256e;p=16.git
diff --git a/src/lib/16_mm.c b/src/lib/16_mm.c
old mode 100644
new mode 100755
index b609f2e7..47fde07e
--- a/src/lib/16_mm.c
+++ b/src/lib/16_mm.c
@@ -1,19 +1,23 @@
-/* Catacomb Armageddon Source Code
- * Copyright (C) 1993-2014 Flat Rock Software
+/* Project 16 Source Code~
+ * Copyright (C) 2012-2022 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover
*
- * This program is free software; you can redistribute it and/or modify
+ * This file is part of Project 16.
+ *
+ * Project 16 is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
- * This program is distributed in the hope that it will be useful,
+ * Project 16 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see , or
+ * write to the Free Software Foundation, Inc., 51 Franklin Street,
+ * Fifth Floor, Boston, MA 02110-1301 USA.
+ *
*/
// NEWMM.C
@@ -28,7 +32,7 @@ Primary coder: John Carmack
RELIES ON
---------
-Quit (char *error) function
+Quit (global_game_variables_t *gvar, char *error) function
WORK TO DO
@@ -41,9 +45,50 @@ EMS / XMS unmanaged routines
=============================================================================
*/
+/*
+Open Watcom port by sparky4
+
+*/
#include "src/lib/16_mm.h"
-
+#include "src/lib/16_ca.h"
+#include
+#pragma hdrstop
+
+#pragma warn -pro
+#pragma warn -use
+
+/*
+=============================================================================
+
+ LOCAL INFO
+
+=============================================================================
+*/
+
+#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(!gvar->mm.mmfree)MML_ClearBlock(gvar);gvar->mm.mmnew=gvar->mm.mmfree;gvar->mm.mmfree=gvar->mm.mmfree->next;}
+
+#define FREEBLOCK(x) {*x->useptr=NULL;x->next=gvar->mm.mmfree;gvar->mm.mmfree=x;}
+
/*
=============================================================================
@@ -52,9 +97,9 @@ EMS / XMS unmanaged routines
=============================================================================
*/
-mminfotype mminfo;
+/*mminfotype mminfo;
memptr bufferseg;
-boolean mmerror;
+boolean mmerror;*/
void (* beforesort) (void);
void (* aftersort) (void);
@@ -67,7 +112,7 @@ void (* aftersort) (void);
=============================================================================
*/
-boolean mmstarted;
+/*boolean mmstarted;
void far *farheap;
void *nearheap;
@@ -75,17 +120,34 @@ void *nearheap;
mmblocktype far mmblocks[MAXBLOCKS]
,far *mmhead,far *mmfree,far *mmrover,far *mmnew;
-boolean bombonerror;
+boolean bombonerror;*/
-unsigned totalEMSpages,freeEMSpages,EMSpageframe,EMSpagesmapped,EMShandle;
-unsigned int EMSVer;
+//unsigned totalEMSpages,freeEMSpages,EMSpageframe,EMSpagesmapped,EMShandle;
void (* XMSaddr) (void); // far pointer to XMS driver
-unsigned numUMBs,UMBbase[MAXUMBS];
-
-static char *ParmStringsexmm[] = {"noems","noxms",""};
+/*unsigned numUMBs,UMBbase[MAXUMBS];*/
+
+//==========================================================================
+
+//
+// local prototypes
+//
+boolean MML_CheckForEMS (void);
+void MML_ShutdownEMS (void);
+void MM_MapEMS (void);
+boolean MML_CheckForXMS (void);
+void MML_ShutdownXMS (void);
+//void MML_UseSpace (unsigned segstart, unsigned seglength);
+//void MML_ClearBlock (void);
+
+//==========================================================================
+#ifndef __16_PM__
+#if 0
+static char *ParmStringsexmm[] = {"noems","noxms",""};
+#endif
+#endif
/*
======================
=
@@ -96,21 +158,22 @@ static char *ParmStringsexmm[] = {"noems","noxms",""};
=======================
*/
-boolean MML_CheckForEMS (void)
+boolean MML_CheckForEMS(void)
{
- boolean emmcfems;
- char emmname[] = "EMMXXXX0";
-// mov dx,OFFSET emmname
+ boolean emmcfems = false;
+ word EMSPageFrame = 0;
+ byte err=0, str[64];
+ 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
+ int EMM_INT // try to open EMMXXXX0 device
jc error
mov bx,ax
mov ax,0x4400
- int 0x21 // get device info
+ int EMM_INT // get device info
jc error
and dx,0x80
@@ -118,30 +181,70 @@ boolean MML_CheckForEMS (void)
mov ax,0x4407
- int 0x21 // get status
+ int EMM_INT // get status
jc error
or al,al
jz error
mov ah,0x3e
- int 0x21 // close handle
+ int EMM_INT // close handle
jc error
+
+ //
+ // pageframe check
+ //
+ mov ah,EMS_GETFRAME
+ int EMS_INT // find the page frame address
+ or ah,ah
+ jnz error
+ mov [EMSPageFrame],bx
+
//
// EMS is good
//
- mov emmcfems,1
- jmp End
+ mov emmcfems,1
+ jmp End
+#ifdef __BORLANDC__
+ }
+#endif
error:
+#ifdef __BORLANDC__
+ __asm {
+#endif
//
// EMS is bad
//
- mov emmcfems,0
+ mov err,ah
+ mov emmcfems,0
+#ifdef __BORLANDC__
+ }
+#endif
End:
+#ifdef __WATCOMC__
+ }
+#endif
+
+ //
+ // Pageframe switch to determine if there is one!
+ //
+ if(!EMSPageFrame)
+ {
+ emmcfems = false;
+#if defined(__DEBUG_PM__) || defined(__DEBUG_MM__)
+ printf("MML_CheckForEMS: EMS error No Pageframe!\nAddress detected to be %04x\n", EMSPageFrame);
+#endif
+ }else if(!emmcfems)// if there is an error and page frame is not 0000
+ {
+ strcpy(str,"MML_CheckForEMS: EMS error ");
+ MM_EMSerr(str, err);
+ printf("%s\n",str);
}
+
return(emmcfems);
}
-
+#ifndef __16_PM__
+#if 0
/*
======================
=
@@ -150,21 +253,22 @@ boolean MML_CheckForEMS (void)
=======================
*/
-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;
- EMSVer = 0;
- 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
@@ -179,7 +283,7 @@ void MML_SetupEMS (void)
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
@@ -189,33 +293,69 @@ void MML_SetupEMS (void)
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;
}
@@ -227,22 +367,29 @@ End:
=======================
*/
-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 (gvar, "MML_ShutdownEMS: Error freeing EMS!\n"); //++++ add something
}
/*
@@ -257,42 +404,132 @@ void MML_ShutdownEMS (void)
====================
*/
-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;immi.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;immi.EMSmem = (i)*0x4000lu;
+ return 0;
+}
+#endif
+#endif
//==========================================================================
/*
@@ -305,25 +542,30 @@ void MM_MapEMS (void)
=======================
*/
-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__
+#if 0
/*
======================
=
@@ -334,22 +576,22 @@ boolean MML_CheckForXMS (void)
=======================
*/
-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
@@ -361,17 +603,28 @@ getmemory:
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;
}
@@ -384,23 +637,23 @@ done:
======================
*/
-void MML_ShutdownXMS (void)
+void MML_ShutdownXMS(global_game_variables_t *gvar)
{
int i;
unsigned base;
- for (i=0;imm.numUMBs;i++)
{
- base = UMBbase[i];
- __asm
- {
+ base = gvar->mm.UMBbase[i];
+ __asm {
mov ah,XMS_FREEUMB
mov dx,[base]
call [DWORD PTR XMSaddr]
}
}
}
-
+#endif
+#endif
//==========================================================================
/*
@@ -415,14 +668,41 @@ void MML_ShutdownXMS (void)
======================
*/
-void MML_UseSpace (unsigned segstart, unsigned seglength)
+/*
+ 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!
+*/
+void MML_UseSpace (unsigned segstart, unsigned seglength, global_game_variables_t *gvar)
{
mmblocktype far *scan,far *last;
unsigned oldend;
- long extra;
+ 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
@@ -433,17 +713,38 @@ void MML_UseSpace (unsigned segstart, unsigned seglength)
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);
if (extra < 0)
+#ifdef __DEBUG_MM__
{
- 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;
}
-
+#else
+ Quit (gvar, "MML_UseSpace: Segment spans two blocks!");
+#endif
if (segstart == scan->start)
{
@@ -457,12 +758,14 @@ void MML_UseSpace (unsigned segstart, unsigned seglength)
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;
+ }//else if(segm>0) goto segu;
}
@@ -478,23 +781,55 @@ void MML_UseSpace (unsigned segstart, unsigned seglength)
====================
*/
-void MML_ClearBlock (void)
+void MML_ClearBlock (global_game_variables_t *gvar)
{
- mmblocktype far *scan,far *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!");
+ Quit (gvar, "MM_ClearBlock: No purgable blocks!\n");
+}
+
+
+//==========================================================================
+
+/*
+===================
+=
+= MM_Reset
+=
+===================
+*/
+
+void MM_Reset (global_game_variables_t *gvar)
+{
+// //has to be 16
+// if(sizeof(mmblocktype)!=16)
+// return;
+
+#ifdef __BORLANDC__
+ strcpy(gvar->handle.datadumpfilename, "mmdump.16b");
+#endif
+#ifdef __WATCOMC__
+ strcpy(gvar->handle.datadumpfilename, "mmdump.16w");
+#endif
+
+#ifdef __BORLANDC__
+ strcpy(gvar->handle.heapdumpfilename, "heap.16b");
+#endif
+#ifdef __WATCOMC__
+ strcpy(gvar->handle.heapdumpfilename, "heap.16w");
+#endif
}
@@ -511,117 +846,116 @@ void MML_ClearBlock (void)
===================
*/
-void MM_Startup (void)
+void MM_Startup (global_game_variables_t *gvar)
{
int i;
- dword length;
- void far *start;
- unsigned segstart,seglength,endfree;
-
- if (mminfo.mmstarted)
- MM_Shutdown ();
+ unsigned long length;
+ void far *start;
+ unsigned segstart,seglength;//,endfree;
+ if(gvar->mm.mmstarted)
+ MM_Shutdown (gvar);
- mminfo.mmstarted = true;
- mminfo.bombonerror = true;
+ MM_Reset (gvar);
+ gvar->mm.mmstarted = true;
+ gvar->mm.bombonerror = true;
//
// set up the linked list (everything in the free list;
//
- mmhead = NULL;
- mmfree = &mmblocks[0];
+ gvar->mm.mmhead = NULL;
+ gvar->mm.mmfree = &(gvar->mm.mmblocks[0]);
for (i=0;imm.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.mmrover = gvar->mm.mmhead;
//
// get all available near conventional memory segments
//
-//---- length=coreleft();
- _nheapgrow();
- length=_memavl();
- start = (void far *)(nearheap = malloc(length));
+ length=(word)coreleft();
+ start = (void far *)(gvar->mm.nearheap = _nmalloc(length));
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;
+ //0000printf("near: start=%Fp segstart=%x seglen=%lu len=%lu\n", start, segstart, (dword)seglength, length);
//
// get all available far conventional memory segments
//
-//---- length=farcoreleft();
- _fheapgrow();
- length=_memavl();
- start = farheap = _fmalloc(length);
+ length=farcoreleft();
+ start = gvar->mm.farheap = farmalloc(length);
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;
+ gvar->mmi.mainmem = gvar->mmi.nearheap + gvar->mmi.farheap;
+ //0000printf("far: start=%Fp segstart=%x seglen=%lu len=%lu\n", start, segstart, (dword)seglength, length);
+#if !defined(__16_PM__)// && defined(__WATCOMC__)
+#if 0
+ 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())
{
- //printf("EMS1\n");
- MML_SetupEMS(); // allocate space
- //printf("EMS2\n");
- MML_UseSpace (EMSpageframe,EMSpagesmapped*0x400);
- //printf("EMS3\n");
- MM_MapEMS(); // map in used pages
- //printf("EMS4\n");
- 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())
+ if(MML_CheckForXMS())
{
-// printf("XMS!\n");
-//++++ MML_SetupXMS(); // allocate as many UMBs as possible
+ MML_SetupXMS(gvar); // allocate as many UMBs as possible
}
+ }
+xmsskip:
+#endif
+#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);
}
//==========================================================================
@@ -636,21 +970,25 @@ xmsskip:
====================
*/
-void MM_Shutdown (void)
+void MM_Shutdown (global_game_variables_t *gvar)
{
- if (!mminfo.mmstarted)
- return;
-
- _ffree (farheap);
- printf("far freed\n");
- free (nearheap);
- printf("near freed\n");
- //hfree(hugeheap);
- printf("huge freed\n");
- MML_ShutdownEMS ();
- printf("EMS freed\n");
-//++++ MML_ShutdownXMS ();
- printf("XMS freed\n");
+ if(!(gvar->mm.mmstarted))
+ return;
+
+ _ffree(gvar->mm.farheap);// printf(" far freed\n");
+ _nfree(gvar->mm.nearheap);// printf(" near freed\n");
+#ifndef __16_PM__
+#if 0
+#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
+#endif
}
//==========================================================================
@@ -665,7 +1003,7 @@ void MM_Shutdown (void)
====================
*/
-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;
@@ -675,35 +1013,55 @@ void MM_GetPtr (memptr *baseptr,dword size)
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;
+ gvar->mm.mmnew->attributes = BASEATTRIBUTES;
+ //if(gvar->mm.mmnew->useptr==NULL){
+#ifdef __DEBUG_MM__
+ if(dbg_debugmm>0){
+ printf("===============================================================================\n");
+ printf(" MM_GetPtr\n");
+ printf("===============================================================================\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));
+
+ printf(" baseptr=%04x ", baseptr); printf("useptr=%04x\n", gvar->mm.mmnew->useptr);
+ //printf(" *baseptr=%04x ", *baseptr); printf("*useptr=%04x\n", *(gvar->mm.mmnew->useptr));
+ printf(" &baseptr=%04u ", &baseptr); printf("&useptr=%04u\n", &(gvar->mm.mmnew->useptr));
+
+ printf(" size is %lu\n", size);
+ }
+#endif
+ //Quit (gvar, "gvar->mm.mmnew->useptr==NULL"); }
+//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;
}
@@ -720,16 +1078,16 @@ void MM_GetPtr (memptr *baseptr,dword size)
// 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!
}
@@ -748,10 +1106,16 @@ void MM_GetPtr (memptr *baseptr,dword size)
}
}
- if (mminfo.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));
+ Quit (gvar, "for stability reasons the program will shut down! wwww\n");
+ }
else
- mminfo.mmerror = true;
+ gvar->mm.mmerror = true;
}
//==========================================================================
@@ -761,20 +1125,20 @@ void MM_GetPtr (memptr *baseptr,dword size)
=
= MM_FreePtr
=
-= Allocates an unlocked, unpurgable block
+= Deallocates an unlocked, purgable block
=
====================
*/
-void MM_FreePtr (memptr *baseptr)
+void MM_FreePtr (memptr *baseptr, global_game_variables_t *gvar)
{
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)
{
@@ -783,10 +1147,7 @@ void MM_FreePtr (memptr *baseptr)
}
if (!scan)
- {
- printf("MM_FreePtr: Block not found!");
- return;
- }
+ Quit (gvar, "MM_FreePtr: Block not found!");
last->next = scan->next;
@@ -804,31 +1165,28 @@ void MM_FreePtr (memptr *baseptr)
=====================
*/
-void MM_SetPurge (memptr *baseptr, int purge)
+void MM_SetPurge (memptr *baseptr, int purge, global_game_variables_t *gvar)
{
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)
- {
- printf("MM_SetPurge: Block not found!");
- return;
- }
+ if (!gvar->mm.mmrover)
+ gvar->mm.mmrover = gvar->mm.mmhead;
+ else if (gvar->mm.mmrover == start)
+ Quit (gvar, "MM_SetPurge: Block not found!");
} while (1);
- mmrover->attributes &= ~PURGEBITS;
- mmrover->attributes |= purge;
+ gvar->mm.mmrover->attributes &= ~PURGEBITS;
+ gvar->mm.mmrover->attributes |= purge;
}
//==========================================================================
@@ -843,31 +1201,28 @@ void MM_SetPurge (memptr *baseptr, int purge)
=====================
*/
-void MM_SetLock (memptr *baseptr, boolean locked)
+void MM_SetLock (memptr *baseptr, boolean locked, global_game_variables_t *gvar)
{
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)
- {
- printf("MM_SetLock: Block not found!");
- return;
- }
+ if (!gvar->mm.mmrover)
+ gvar->mm.mmrover = gvar->mm.mmhead;
+ else if (gvar->mm.mmrover == start)
+ Quit (gvar, "MM_SetLock: Block not found!");
- } while (1);
+ } while(1);
- mmrover->attributes &= ~LOCKBIT;
- mmrover->attributes |= locked*LOCKBIT;
+ gvar->mm.mmrover->attributes &= ~LOCKBIT;
+ gvar->mm.mmrover->attributes |= locked*LOCKBIT;
}
//==========================================================================
@@ -882,17 +1237,17 @@ void MM_SetLock (memptr *baseptr, boolean locked)
=====================
*/
-void MM_SortMem (void)
+void MM_SortMem (global_game_variables_t *gvar)
{
mmblocktype far *scan,far *last,far *next;
unsigned start,length,source,dest,oldborder;
- int playing;
+ //++++int playing;
//
// lock down a currently playing sound
//
/*++++ playing = SD_SoundPlaying ();
- if (playing)
+ if(playing)
{
switch (SoundMode)
{
@@ -903,18 +1258,19 @@ void MM_SortMem (void)
playing += STARTADLIBSOUNDS;
break;
}
- MM_SetLock(&(memptr)audiosegs[playing],true);
+ MM_SetLock(MEMPTRCONV audiosegs[playing],true);
}
SD_StopSound();*/
-// oldborder = bordercolor;
-// VW_ColorBorder (15);
+
+ oldborder = gvar->video.bordercolor;
+ gvar->video.bordercolor = VL_modexPalOverscan(gvar->video.palette, 4);
if (beforesort)
beforesort();
- scan = mmhead;
+ scan = gvar->mm.mmhead;
last = NULL; // shut up compiler warning
@@ -935,7 +1291,7 @@ void MM_SortMem (void)
// throw out the purgable block
//
next = scan->next;
- FREEBLOCK(scan);
+ FREEBLOCK(scan); //MM_FreeBlock(scan, gvar);
last->next = next;
scan = next;
continue;
@@ -970,21 +1326,28 @@ void MM_SortMem (void)
scan = scan->next; // go to next block
}
- mmrover = mmhead;
+ gvar->mm.mmrover = gvar->mm.mmhead;
if (aftersort)
aftersort();
-// VW_ColorBorder (oldborder);
+ VL_ColorBorder (oldborder, &gvar->video);
-/*++++ if (playing)
- MM_SetLock(&(memptr)audiosegs[playing],false);*/
+/*++++ if(playing)
+ MM_SetLock((memptr *)&audiosegs[playing],false);*/
}
-
//==========================================================================
-//****#if 0
+#ifdef __BORLANDC__
+extern char global_temp_status_text[512];
+extern char global_temp_status_text2[512];
+#endif
+#ifdef __WATCOMC__
+//#define MMSMPANVID
+#define MMSMSCANINFO
+#endif
+
/*
=====================
=
@@ -993,69 +1356,425 @@ void MM_SortMem (void)
=====================
*/
-void MM_ShowMemory (void)
+void MM_ShowMemory (global_game_variables_t *gvar)
{
mmblocktype far *scan;
- unsigned color,temp;//, i;
- long end,owner;
- char scratch[80],str[10];
+ unsigned color,temp,x,y ,q,w/*,width*/,sw;
+ sdword end,owner;
+ byte scratch[160],scratch0[4096],str[16];
+#ifdef MMSMSCANINFO
+ mmshowmemoryinfo_t scaninfo[MAXBLOCKS];
+ byte scratch1[4];
+ unsigned /*xpos,ypos, */oldq,maxq;
+ boolean done,restarted,mmsmscaninfoxyposinew;
+ ScanCode scancode;
+#endif
+
+ if(!gvar->video.page[0].width) gvar->video.page[0].sw = gvar->video.page[0].width = 320; //to prevent division by 0
+//-- VL_SetLineWidth(40, gvar);
+ //temp = gvar->video.ofs.bufferofs;
+ //gvar->video.ofs.bufferofs = gvar->video.ofs.displayofs;
+ temp = BDOFSCONV gvar->video.BOFS;
+ gvar->video.BOFS = gvar->video.DOFS;
+#ifdef MMSMSCANINFO
+ oldq = 0; restarted = false; mmsmscaninfoxyposinew = false;
+reset:
+#endif
+ scan = gvar->mm.mmhead;
+
+ end = -1; w = 0; q = 0;
+
+ //width = gvar->video.page[0].width;
+ sw = gvar->video.page[0].sw;
+
+ CA_OpenDebug (gvar);
+ while (scan)
+ {
+#ifdef MMSMSCANINFO
+ scaninfo[q].scan = scan;
+#endif
+ strcpy(scratch, AARESET);
+ if(scan->attributes & PURGEBITS)
+ {
+ color = 6; // dark purple = purgable
+ strcpy(scratch0, AAMAGENTA); // dark purple = purgable
+ }else{
+ color = 2; // medium blue = non purgable
+ strcpy(scratch0, AABLUE); // medium blue = non purgable
+ }
+ if(scan->attributes & LOCKBIT)
+ {
+ color = 1; // red = locked
+ strcpy(scratch0, AARED); // red = locked
+ }
+ if (scan->start<=end)
+ {
+ 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));
+ Quit (gvar, "MM_ShowMemory: Memory block order currupted!");
+ }
+ end = scan->length-1;
+ y = gvar->video.page[0].dx+(scan->start/sw);
+ x = gvar->video.page[0].dy+(scan->start%sw);
+#if 0
+//def MMSMSCANINFO
+ if(restarted){
+ y += gvar->video.page[0].dy;
+ x += gvar->video.page[0].dx;
+ }
+#if 0
+ else{
+ scaninfo[q].y = y;
+ scaninfo[q].x = x;
+ }
+#endif
+#endif
+ VW_Hlin(x,x+end,y,color,gvar);
+ VL_Plot(x,y,5,gvar);
+//++==++==optional strcat(scratch0, AARESET); strcat(scratch0, AAGREY); strcat(scratch0,"_");
+ for(w=(scan->start)/80;w<=end/80;w++)
+ {
+//printf("+ %u %lu\n", w, scan->length);
+ strcat(scratch0, "+");
+ }
-//**** VW_SetDefaultColors();
-//**** VW_SetLineWidth(40);
-//++++mh temp = bufferofs;
-//++++mh bufferofs = 0;
-//**** VW_SetScreen (0,0);
+ if (scan->next && scan->next->start > end+1)
+ {
+ VW_Hlin(x+end+1,x+(scan->next->start-scan->start),y,3,gvar); // black = free//now green
+ strcat(scratch0, AARESET);
+//++==++==optional strcat(scratch0, "\n");
+ strcat(scratch0,AAGREEN);
+ for(w=(end+1)/80;w<=((scan->next->start-scan->start)/80);w++)
+ {
+//printf("0 %x %u %lu\n", scan->next->start, w, scan->length);
+ strcat(scratch0,"0");
+ }
+ //printf("==================\n");
+ //printf("w=%u start=%04x next=%04x end=%lu\n", w/80, scan->start, (scan->next->start), end+1);
+ //printf("==================\n");
+ strcat(scratch0, "\n");
+ }
+#if 0
+ else {//if(scan->next->start <= scan->start){
+ scan->next->start=scan->start+0x1000;
+ 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\n", w, scan->start, (scan->next->start), end+1);
+ printf("================\n");
+ getch();
+ }
+#endif
+ strcat(scratch0, AARESET);
+ //strcat(scratch0,"\n");
+ strcat(scratch,"Block:");
+ ultoa (q,str,10);
+ strcat (scratch,str);
+ strcat(scratch,"\tSeg:");
+ ultoa (scan->start,str,16);
+ strcat (scratch,str);
+// strcat(scratch, AABLACK); strcat(scratch,"\t"); strcat(scratch, AARESET);
+ strcat (scratch,"\tSize:");
+ ultoa ((unsigned)scan->length,str,10);
+ strcat (scratch,str);
+// strcat(scratch, AABLACK); strcat(scratch,"\t"); strcat(scratch, AARESET);
+ 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));
+//0000fprintf(stdout, "\n[%s]", scratch);
+//0000fprintf(stdout, "[\n%s\n]", scratch0);
+//0000fprintf(stdout, "[%u]\n", q);
- scan = mmhead;
+ scan = scan->next;
+ q++;
- end = -1;
+//0000if(gvar->video.VL_Started && color!=6) IN_Ack(gvar);
+ }
-//CA_OpenDebug ();
+ CA_CloseDebug (gvar);
- while (scan)
+#ifdef MMSMPANVID
+ {
+ int dx,dy,odx,ody;
+ odx = gvar->video.page[0].dx;
+ ody = gvar->video.page[0].dy;
+ dx = dy = 0;
+
+ while (!(scancode = gvar->in.inst->LastScan)){}
+ while(!gvar->in.inst->Keyboard[sc_Escape] && !gvar->in.inst->Keyboard[sc_Space])
+ {
+ if(gvar->in.inst->Keyboard[sc_UpArrow])
+ {
+ if(dy>0)
+ dy--;
+ }
+ else if(gvar->in.inst->Keyboard[sc_DownArrow])
+ {
+ if(dyvideo.page[0].height-gvar->video.page[0].sh)
+ dy++;
+ }
+ if(gvar->in.inst->Keyboard[sc_LeftArrow])
+ {
+ if(dx>0)
+ dx--;
+ }
+ else if(gvar->in.inst->Keyboard[sc_RightArrow])
+ {
+ if(dxvideo.page[0].width-gvar->video.page[0].sw)
+ dx++;
+ }
+
+ modexPanPage(&gvar->video.page[0], dx, dy);
+ VL_ShowPage(&gvar->video.page[0], 1, 1);
+ }
+
+ gvar->video.page[0].dx = odx;
+ gvar->video.page[0].dy = ody;
+ }
+#endif
+#ifdef MMSMSCANINFO
+ if (gvar->video.VL_Started) IN_Ack(gvar);
+ maxq = q-1;
+ if(restarted) q = oldq;
+ else q = 0;
+ restarted = false;
+
+ while (!(scancode = gvar->in.inst->LastScan)){}
+// IN_ClearKey(scancode);
+// IN_Ack(gvar);
+
+ for (done = false;!done;)
{
- if (scan->attributes & PURGEBITS)
- color = 5; // dark purple = purgable
+ if(scaninfo[q].scan->attributes & PURGEBITS)
+ {
+ color = 6; // dark purple = purgable
+ strcpy(scratch1, AAMAGENTA); // dark purple = purgable
+ //printf("%s", AAMAGENTA);
+ }else{
+ color = 2; // medium blue = non purgable
+ strcpy(scratch1, AABLUE); // medium blue = non purgable
+ //printf("%s", AABLUE);
+ }
+ if(scaninfo[q].scan->attributes & LOCKBIT)
+ {
+ color = 1; // red = locked
+ strcpy(scratch1, AARED); // red = locked
+ //printf("%s", AARED);
+ }
+ end = scaninfo[q].scan->length-1;
+
+ gvar->video.print.t=1;
+ gvar->video.print.tlsw=1;
+ gvar->video.print.color=color;
+ gvar->video.print.bgcolor=8;
+#define MMSMPRINTMEMINFO VL_print(global_temp_status_text, 0, gvar); gvar->video.print.y+=8;
+//modexprint(&(gvar->video.page[0]), xpos, ypos, 1, 1, color, 8, gvar->video.VL_Started, global_temp_status_text);
+#ifdef __WATCOMC__
+ if(gvar->video.VL_Started)
+ {
+ VL_ShowPage(&gvar->video.page[0], 1, 0);
+ modexClearRegion(&gvar->video.page[0], gvar->video.page[0].dx, gvar->video.page[0].dy, gvar->video.page[0].sw, gvar->video.page[0].sh, 8);
+ }else
+#endif
+ {
+ clrscr();
+ }
+ sprintf(global_temp_status_text, "block #%04u", q); MMSMPRINTMEMINFO
+// sprintf(global_temp_status_text, "%Fp", scaninfo[q].scan->useptr); MMSMPRINTMEMINFO
+ sprintf(global_temp_status_text, "start: %04x", (unsigned)scaninfo[q].scan->start); MMSMPRINTMEMINFO
+ sprintf(global_temp_status_text, "useptr: %04x", (unsigned)scaninfo[q].scan->useptr); MMSMPRINTMEMINFO
+ sprintf(global_temp_status_text, "size: %05u", (unsigned)scaninfo[q].scan->length); MMSMPRINTMEMINFO
+ if (scaninfo[q].scan->next && scaninfo[q].scan->next->start > end+1)
+ {
+ sprintf(global_temp_status_text, "free: %05u", (unsigned)(scaninfo[q].scan->next->start-scaninfo[q].scan->start)); MMSMPRINTMEMINFO
+ }else /*ypos*/gvar->video.print.y+=8;
+ if(gvar->video.VL_Started)
+ {
+ y = scaninfo[q].scan->start/sw;
+ x = scaninfo[q].scan->start%sw;
+ if(!mmsmscaninfoxyposinew)
+ {
+ y = gvar->video.print.y;//ypos;
+ x = gvar->video.print.x;//xpos;
+ }else{
+ //y = scaninfo[q].y;
+ //x = scaninfo[q].x;
+ y += gvar->video.page[0].dy;
+ x += gvar->video.page[0].dx;
+ }
+ VW_Hlin(x,x+end,y,color,gvar);
+ VL_Plot(x,y,5,gvar);
+ }
else
- color = 9; // medium blue = non purgable
- if (scan->attributes & LOCKBIT)
- color = 12; // red = locked
- if (scan->start<=end)
{
- printf("MM_ShowMemory: Memory block order currupted!");
- return;
+ printf("%s", scratch1);
+ printf("%s", AAGREY); printf("_");
+ for(w=(scaninfo[q].scan->start)/80;w<=end/80;w++)
+ {
+ //strcat(scratch1, "+");
+ printf("+");
+ }
}
- 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
-printf("Location:");
-printf("%Fp\t", scan->start);
-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));
-fprintf(stdout, "%s", scratch);
-//****#endif
- scan = scan->next;
+
+ if (scaninfo[q].scan->next && scaninfo[q].scan->next->start > end+1) if(!gvar->video.VL_Started)
+ {
+ //strcat(scratch1, AARESET);
+ printf("%s", AARESET);
+ //strcat(scratch1,AAGREEN);
+ printf("%s", AAGREEN);
+ for(w=(end+1)/80;w<=((scaninfo[q].scan->next->start-scaninfo[q].scan->start)/80);w++)
+ {
+ //strcat(scratch1,"0");
+ printf("0");
+ }
+ }else VW_Hlin(x+end+1,x+(scaninfo[q].scan->next->start-scaninfo[q].scan->start),y,3,gvar); // black = free//now green
+
+
+ if(gvar->video.VL_Started)
+ {
+ //if (scan->next && scan->next->start > end+1) free
+ /*xpos*/gvar->video.print.x = gvar->video.page[0].dx;
+ /*ypos*/gvar->video.print.y = gvar->video.page[0].dy;
+ }
+ else
+ {
+ //printf("%s\n", scratch1);
+ printf("%s", AARESET);
+ printf("\n");
+ }
+
+
+ while (!(scancode = gvar->in.inst->LastScan)){}
+
+ IN_ClearKey(scancode);
+ switch (scancode)
+ {
+ case sc_Enter:
+ if(!mmsmscaninfoxyposinew) mmsmscaninfoxyposinew = true;
+ else mmsmscaninfoxyposinew = false;
+ //mmsmscaninfoxyposinew!=mmsmscaninfoxyposinew;
+ break;
+ case sc_LeftArrow:
+ if(q>0) q--;
+ else q = maxq;
+ break;
+ case sc_RightArrow:
+ if(q9) q-=10;
+ else q = maxq;
+ break;
+ case sc_DownArrow:
+ if(qvideo.VL_Started) modexClearRegion(&gvar->video.page[0], gvar->video.page[0].dx, gvar->video.page[0].dy, gvar->video.page[0].sw, gvar->video.page[0].sh, 8);
+#endif
+ goto reset;
+
+ case sc_Escape:
+ done = true;
+ break;
+ }
}
+#else
+ if(gvar->video.VL_Started) IN_Ack(gvar);
+#endif
+
+ gvar->video.BOFS = (byte __far *)temp;
+}
+
+//==========================================================================
+
+
+/*
+=====================
+=
+= MM_DumpData
+=
+=====================
+*/
+
+void MM_DumpData (global_game_variables_t *gvar)
+{
+ mmblocktype far *scan,far *best;
+ long lowest,oldlowest;
+ unsigned owner;
+ char lock,purge;
+ FILE *dumpfile;
+
+ _nfree(gvar->mm.nearheap);
+ dumpfile = fopen (gvar->handle.datadumpfilename, "w");
+ if (!dumpfile)
+ Quit (gvar, "MM_DumpData: Couldn't open MMDUMP.16!\n");
+
+ lowest = -1;
+ do
+ {
+ oldlowest = lowest;
+ lowest = 0xffff;
+
+ scan = gvar->mm.mmhead;
+ while (scan)
+ {
+ owner = (unsigned)scan->useptr;
+
+ if (owner && 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);
+ }
-//CA_CloseDebug ();
+ } while (lowest != 0xffff);
-//++++mh IN_Ack();
-//**** VW_SetLineWidth(64);
-//++++mh bufferofs = temp;
+ fclose (dumpfile);
+
+ //reset filename
+#ifdef __BORLANDC__
+ strcpy(gvar->handle.datadumpfilename, "mmdump.16b");
+#endif
+#ifdef __WATCOMC__
+ strcpy(gvar->handle.datadumpfilename, "mmdump.16w");
+#endif
+//00 printf ("MMDUMP.16 created.\n");
}
-//****#endif
//==========================================================================
@@ -1070,22 +1789,21 @@ fprintf(stdout, "%s", scratch);
======================
*/
-dword MM_UnusedMemory (void)
+dword MM_UnusedMemory (global_game_variables_t *gvar)
{
unsigned free;
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;
+ return free*16lu;
}
//==========================================================================
@@ -1101,24 +1819,23 @@ dword MM_UnusedMemory (void)
======================
*/
-dword MM_TotalFree (void)
+dword MM_TotalFree (global_game_variables_t *gvar)
{
unsigned free;
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;
+ return free*16lu;
}
//==========================================================================
@@ -1131,22 +1848,32 @@ dword MM_TotalFree (void)
=====================
*/
-void MM_Report(void)
+void MM_Report_ (global_game_variables_t *gvar)
{
- printf("EMM %x available\n", EMSVer);
- printf("totalEMSpages=%u\n", totalEMSpages);
- printf("freeEMSpages=%u\n", freeEMSpages);
- printf("EMSpageframe=%Fp\n", EMSpageframe);
- printf("near=%lu\n", mminfo.nearheap);
- printf("far=%lu\n", mminfo.farheap);
- printf("EMSmem=%lu\n", mminfo.EMSmem);
- printf("XMSmem=%lu\n", mminfo.XMSmem);
- printf("mainmem=%lu\n", mminfo.mainmem);
- printf("UnusedMemory=%lu\n", MM_UnusedMemory());
- printf("TotalFree=%lu\n", MM_TotalFree());
-// printf("\n");
-// printf("UnusedMemory=%lu kb\n", MM_UnusedMemory()/10248);
-// printf("TotalFree=%lu kb\n", MM_TotalFree()/10248);
+ 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);
}
//==========================================================================
@@ -1154,22 +1881,131 @@ void MM_Report(void)
/*
=====================
=
-= MM_EMSVer
+= MM_EMSerr
=
=====================
+*/
-
-int MM_EMSVer(void)
+void MM_EMSerr(byte *stri, byte err)
{
- int EMSver;
- __asm
+ //Returns a text string describing the error code in EMS.Error.
+ switch(err)
{
- mov ah,EMS_VERSION
- int EMS_INT
- mov EMSver,ax
+ 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");
}
- return(EMSver);
-}*/
+}
//==========================================================================
@@ -1181,7 +2017,67 @@ int MM_EMSVer(void)
=====================
*/
-void MM_BombOnError (boolean bomb)
+void MM_BombOnError (boolean bomb, global_game_variables_t *gvar)
+{
+ gvar->mm.bombonerror = bomb;
+}
+
+#if 0
+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))
+ {
+ 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;
+}
+#endif
+
+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)
{
- mminfo.bombonerror = bomb;
+ __asm {
+ push ds
+ mov ax,ds
+ inc ax
+ mov ds,ax
+ }
}
+
+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
+*/