*/
#include "src/lib/16_mm.h"
+#include "src/lib/16_ca.h"
+#pragma hdrstop
+
+#pragma warn -pro
+#pragma warn -use
/*
=============================================================================
{
boolean emmcfems;
static char emmname[] = "EMMXXXX0"; //fix by andrius4669
-// mov dx,OFFSET emmname
__asm {
- //LEA DX, emmname //fix by andrius4669
mov dx,OFFSET emmname //fix by andrius4669
mov ax,0x3d00
int 0x21 // try to open EMMXXXX0 device
//
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);
}
=======================
*/
-unsigned MML_SetupEMS(mminfo_t *mm)
+byte MML_SetupEMS(mminfo_t *mm)
{
- char str[80],str2[10];
- unsigned err;
+ byte str[160];
+ byte err;
boolean errorflag=false;
- union REGS CPURegs;
unsigned int EMSVer = 0;
- byte EMS_status;
+ //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
+ //mov [EMS_status],ah
jnz error
mov ah,EMS_VERSION
jle getpages
mov bx,[freeEMSpages]
jmp getpages
-
-low:
+#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
jnz error
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;
}
if(!EMShandle)
return;
- __asm
- {
+ __asm {
mov ah,EMS_FREEPAGES
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) printf("MML_ShutdownEMS: Error freeing EMS!\n"); //++++ add something
}
/*
====================
*/
-unsigned MM_MapEMS(mminfo_t *mm)
+byte MM_MapEMS(mminfo_t *mm, mminfotype *mmi)
{
- char str[80],str2[10];
- unsigned err, EMShandle;
+ byte str[160];
+ unsigned EMShandle;
+ byte err;
boolean errorflag=false;
int i;
- union REGS CPURegs;
EMShandle=mm->EMShandle;
- for (i=0;i<4/*mm->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
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);
- //printf("%s\n",str);
- printf("FACK! %u\n", err);
+ strcpy(str,"MM_MapEMS: EMS error ");
+ MM_EMSerr(str, err);
+ printf("%s\n",str);
return err;
}
}
+ mmi->EMSmem = (i)*0x4000lu;
+ //printf(" mmi->EMSmem=%lu\n", mmi->EMSmem);
return 0;
}
-/*
-SUB EMS.MapXPages (PhysicalStart, LogicalStart, NumPages, Handle)\r
-\r
- 'Maps up to 4 logical EMS pages to physical pages in the page frame, where:\r
- '\r
- 'PhysicalStart = Physical page first logical page is mapped to\r
- 'LogicalStart = First logical page to map\r
- 'NumPages = Number of pages to map (1 to 4)\r
- 'Handle = EMS handle logical pages are allocated to\r
-\r
- 'Create a buffer containing the page information\r
- FOR x = 0 TO NumPages - 1\r
- MapInfo$ = MapInfo$ + MKI$(LogicalStart + x) + MKI$(PhysicalStart + x)\r
- NEXT\r
-\r
- Regs.ax = &H5000 'Map the pages in the buffer\r
- Regs.cx = NumPages 'to the pageframe\r
- Regs.dx = Handle\r
- Regs.ds = VARSEG(MapInfo$)\r
- Regs.si = SADD(MapInfo$)\r
- InterruptX &H67, Regs, Regs\r
- EMS.Error = (Regs.ax AND &HFF00&) \ &H100 'Store the status code\r
-\r
-END SUB
-*/
-void MM_MapXEMS(mminfo_t *mm)
+byte MM_MapXEMS(mminfo_t *mm, mminfotype *mmi)
{
+//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=mm->EMShandle;
+
+ if(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;
+ }
+ }
+ mmi->EMSmem = (i)*0x4000lu;
+ return 0;
}
//==========================================================================
boolean errorflag=false;
mm->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;
}
void MML_SetupXMS(mminfo_t *mm, mminfotype *mmi)
{
- unsigned base,size;
+ word base,size;
-getmemory:
- __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 {
mov ah,XMS_ALLOCUMB
mov dx,0xffff // try for largest block possible
//mov ax,dx // Set available Kbytes.
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__
}
- printf("base=%u ", base); printf("size=%u\n", size);
+#endif
+// printf("base=%u ", base); printf("size=%u\n", size);
MML_UseSpace(base,size, mm);
mmi->XMSmem += size*16;
mm->UMBbase[mm->numUMBs] = base;
for (i=0;i<mm->numUMBs;i++)
{
base = mm->UMBbase[i];
- __asm
- {
+ __asm {
mov ah,XMS_FREEUMB
mov dx,[base]
call [DWORD PTR XMSaddr]
======================
*/
-void MML_UseSpace(/*d*/word segstart, dword seglength, mminfo_t *mm)
+/*void MML_UseSpace(word segstart, dword seglength, mminfo_t *mm)
{
- mmblocktype huge *scan,huge *last;
- word segm;
- dword oldend;
+ //huge mmblocktype huge *scan,huge *last;
+ word segm=1;
+ word oldend;
+ dword segmlen;
dword extra;
scan = last = mm->mmhead;
scan = scan->next;
}
- //find out how many blocks it spans!
- if(seglength>0xffffu)
+//
+// 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)
{
-// segm=seglength/0x4000u;
- segm=seglength/0xffffu;
+ scan->blob=segm;
+
+ //MML_UseSpace(segstart, seglength, mm);
+
+ 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);
}
- else segm=1;
+//++++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
- //++++emsver stuff!
- if(segm>1/*extra>0xfffflu*/)
+ if(extra > 0)
{
- /*__asm
- {
- push ds
- mov ax,ds
- inc ax
- mov ds,ax
- }*/
+ GETNEWBLOCK;
+ mm->mmnew->useptr = NULL;
+ mm->mmnew->next = scan->next;
+ scan->next = mm->mmnew;
+ mm->mmnew->start = segstart+seglength;
+ mm->mmnew->length = extra;
+ mm->mmnew->attributes = LOCKBIT;
+ }//else if(segm>0) goto segu;
-//MML_UseSpace(?segstart?, ?length?, mm);
+}*/
+void MML_UseSpace(word segstart, dword seglength, mminfo_t *mm)
+{
+ mmblocktype far *scan,far *last;
+ word oldend;
+ sdword extra;
+ //word segm=1;
- /*__asm
- {
- pop ds
- }*/
- //printf("MML_UseSpace: Segment spans two blocks!\n");
+ scan = last = mm->mmhead;
+ mm->mmrover = 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;
}
+//
+// 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);
-
-printf("segm=%u ", segm);
-printf("ex=%lu ", extra);
-printf("start+seglen=%lu ", segstart+seglength);
-printf("len=%u ", scan->length);
-printf("segsta=%x ", segstart);
-printf("seglen=%lu\n", seglength);
+ extra = oldend - (segstart+((unsigned)seglength));
+ if (extra < 0)
+ {
+ 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;
+ }
-//segu:
-//++++todo: linked list of segment!
-//printf("segm=%lu\n", segm);
- if(segstart == scan->start)
+ if (segstart == scan->start)
{
last->next = scan->next; // unlink block
- MM_FreeBlock(scan, mm);
+ FREEBLOCK(scan);
scan = last;
}
else
scan->length = segstart-scan->start; // shorten block
-// segm--;
-
- if(extra > 0)
+ if (extra > 0)
{
- MM_GetNewBlock(mm);
+ GETNEWBLOCK;
+ mm->mmnew->useptr = NULL;
+
mm->mmnew->next = scan->next;
scan->next = mm->mmnew;
mm->mmnew->start = segstart+seglength;
mm->mmnew->length = extra;
mm->mmnew->attributes = LOCKBIT;
- }//else if(segm>0) goto segu;
+ }
}
void MML_ClearBlock(mminfo_t *mm)
{
- mmblocktype huge *scan,huge *last;
+ //huge mmblocktype huge *scan,huge *last;
+ mmblocktype far *scan,far *last;
scan = mm->mmhead->next;
void MM_Startup(mminfo_t *mm, mminfotype *mmi)
{
int i;
- dword length;
- void huge *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(mm->mmstarted)
- MM_Shutdown(mm);
+// if(mm->mmstarted)
+// MM_Shutdown(mm);
mm->mmstarted = true;
mm->bombonerror = true;
+
//
// set up the linked list (everything in the free list;
//
//
// locked block of all memory until we punch out free space
//
- MM_GetNewBlock(mm);
+ GETNEWBLOCK;
mm->mmhead = mm->mmnew; // this will allways be the first node
mm->mmnew->start = 0;
mm->mmnew->length = 0xffff;
mm->mmnew->attributes = LOCKBIT;
mm->mmnew->next = NULL;
+ //mm->mmnew->useptr = peeonself;
mm->mmrover = mm->mmhead;
-// farlen=_bios_memsize()*1024;
-
+ //printf(" %x\n", peeonself);
+ //printf(" %x\n", *peeonself);
//
// get all available near conventional memory segments
//
-//---- length=coreleft();
+#ifdef __WATCOMC__
_nheapgrow();
- length=_memavl();
- start = (void huge *)(mm->nearheap = malloc(length));
+ length=(dword)_memavl();//(dword)GetFreeSize();
+ //huge start = (void huge *)(mm->nearheap = _nmalloc(length));
+ start = (void far *)(mm->nearheap = _nmalloc(length));
+#endif
+#ifdef __BORLANDC__
+ length=coreleft();
+ //huge start = (void huge *)(mm->nearheap = malloc(length));
+ start = (void far *)(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, mm);
mmi->nearheap = length;
- //printf("near heap ok!\n");
+ //printf("start=%Fp segstart=%x seglen=%lu len=%lu\n", start, segstart, seglength, length);
//
// get all available far conventional memory segments
//
-//---- length=farcoreleft();
+ //printf("_FARCORELEFT %lu\n", _FCORELEFT);
+#ifdef __WATCOMC__
_fheapgrow();
- length=_memavl();
- start = mm->farheap = halloc(length, sizeof(byte));
- //start = mm->farheap = _fmalloc(length);
+#endif
+#ifdef __BORLANDC__
+ printf("farcoreleft() %lu\n", farcoreleft());
+ printf("(farcoreleft()+32)-_FCORELEFT %d\n", (sword)((farcoreleft()+32)-_FCORELEFT));
+#endif
+ length=_FCORELEFT;//_fcoreleft();//(dword)GetFarFreeSize();//0xffffUL*4UL;
+ start = mm->farheap = _fmalloc(length);
+ //start = 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, mm);
mmi->farheap = length;
- mmi->mainmem = mmi->nearheap + mmi->farheap;
- //printf("far heap ok!\n");
+ //printf("start=%Fp segstart=%x seglen=%lu len=%lu\n", start, segstart, seglength, length);
+ mmi->mainmem = mmi->nearheap + mmi->farheap;
//
// detect EMS and allocate up to 64K at page frame
//
- printf("EMS!\n\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"); //bug!
mmi->EMSmem = 0;
- for(i = 1;i < __argc;i++)
+//goto emsskip; //0000
+ for(i = 1;i <
+#ifdef __WATCOMC__
+ __argc
+#endif
+#ifdef __BORLANDC__
+ _argc
+#endif
+ ;i++)
{
- if(US_CheckParm(__argv[i],ParmStringsexmm) == 0)
+ if(US_CheckParm(
+#ifdef __WATCOMC__
+ __argv[i]
+#endif
+#ifdef __BORLANDC__
+ _argv[i]
+#endif
+ ,ParmStringsexmm) == 0)
goto emsskip; // param NOEMS
}
- printf("\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"); //bug!
if(MML_CheckForEMS())
{
-printf("EMS1\n");
MML_SetupEMS(mm); // allocate space
-printf("EMS2\n");
- printf("\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"); //bug!
//TODO: EMS4! AND EMS 3.2 MASSIVE DATA HANDLMENT!
MML_UseSpace(mm->EMSpageframe,(MAPPAGES)*0x4000lu, mm);
-printf("EMS3\n");
- MM_MapEMS(mm); // map in used pages
-printf("EMS4\n");
- mmi->EMSmem = (MAPPAGES)*0x4000lu;
+ //if(mm->EMSVer<0x40)
+ MM_MapEMS(mm, mmi); // map in used pages
+ //else
+ //MM_MapXEMS(mm, mmi); // map in used pages
}
//
//
emsskip:
mmi->XMSmem = 0;
- for(i = 1;i < __argc;i++)
+goto xmsskip;//0000
+ for(i = 1;i <
+#ifdef __WATCOMC__
+ __argc
+#endif
+#ifdef __BORLANDC__
+ _argc
+#endif
+ ;i++)
{
- if(US_CheckParm(__argv[i],ParmStringsexmm) == 0)
+ if(US_CheckParm(
+#ifdef __WATCOMC__
+ __argv[i]
+#endif
+#ifdef __BORLANDC__
+ _argv[i]
+#endif
+ ,ParmStringsexmm) == 0)
goto xmsskip; // param NOXMS
}
- printf("\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"); //bug!
if(MML_CheckForXMS(mm))
{
- printf("XMS!\n");
- //MML_SetupXMS(mm, mmi); // allocate as many UMBs as possible
+ MML_SetupXMS(mm, mmi); // allocate as many UMBs as possible
}
//
if(!(mm->mmstarted))
return;
- _ffree(mm->farheap);
- printf("far freed\n");
- free(mm->nearheap);
- printf("near freed\n");
- //hfree(mm->hugeheap);
- //printf("huge freed\n");
- if(MML_CheckForEMS()){ MML_ShutdownEMS(mm); printf("EMS freed\n"); }
- if(MML_CheckForXMS(mm)){ MML_ShutdownXMS(mm); printf("XMS freed\n"); }
+ _ffree(mm->farheap);// printf(" far freed\n");
+#ifdef __WATCOMC__
+ _nfree(mm->nearheap);// printf(" near freed\n");
+#endif
+#ifdef __BORLANDC__
+ free(mm->nearheap);// printf(" near freed\n");
+#endif
+ if(MML_CheckForEMS()){ MML_ShutdownEMS(mm); }//printf(" EMS freed\n"); }
+ if(MML_CheckForXMS(mm)){ MML_ShutdownXMS(mm); }//printf(" XMS freed\n"); }
}
//==========================================================================
====================
*/
-void MM_GetPtr(memptr *baseptr,dword size, mminfo_t *mm, mminfotype *mmi)
+void MM_GetPtr (memptr *baseptr, dword size, mminfo_t *mm, mminfotype *mmi)
{
- mmblocktype huge *scan,huge *lastscan,huge *endscan,huge *purge,huge *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
- MM_GetNewBlock(mm); // fill in start and next after a spot is found
+ GETNEWBLOCK; // fill in start and next after a spot is found
mm->mmnew->length = needed;
mm->mmnew->useptr = baseptr;
+ //if(mm->mmnew->useptr==NULL){
+ printf("baseptr=%04x ", baseptr); printf("useptr=%04x\n", mm->mmnew->useptr);
+ printf("*baseptr=%04x ", *baseptr); printf("*useptr=%04x\n", *(mm->mmnew->useptr));
+ //printf("*baseptr=%Fp ", *baseptr); printf("*useptr=%Fp\n", *(mm->mmnew->useptr));
+ //exit(-5); }
mm->mmnew->attributes = BASEATTRIBUTES;
- for(search = 0; search<3; search++)
+//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 && mm->mmrover == mm->mmhead)
+ if (search == 1 && mm->mmrover == mm->mmhead)
search++;
- switch(search)
+ switch (search)
{
case 0:
lastscan = mm->mmrover;
endscan = mm->mmrover;
break;
case 2:
- MM_SortMem(mm);
+ MM_SortMem (mm);
lastscan = mm->mmhead;
scan = mm->mmhead->next;
endscan = NULL;
startseg = lastscan->start + lastscan->length;
- while(scan != endscan)
+ while (scan != endscan)
{
- if(scan->start - startseg >= needed)
+ if (scan->start - startseg >= needed)
{
//
// got enough space between the end of lastscan and
lastscan->next = mm->mmnew;
mm->mmnew->start = *(unsigned *)baseptr = startseg;
mm->mmnew->next = scan;
- while(purge != scan)
+ while ( purge != scan)
{ // free the purgable block
next = purge->next;
- MM_FreeBlock(purge, mm);
+ FREEBLOCK(purge);
purge = next; // purge another if not at scan
}
mm->mmrover = mm->mmnew;
//
// if this block is purge level zero or locked, skip past it
//
- if((scan->attributes & LOCKBIT)
+ if ( (scan->attributes & LOCKBIT)
|| !(scan->attributes & PURGEBITS) )
{
lastscan = scan;
}
if (mm->bombonerror)
+ {
+#ifdef __WATCOMC__
+ //heapdump();
+#endif
printf(OUT_OF_MEM_MSG,(size-mmi->nearheap));
+ printf("for stability reasons the program will shut down! wwww\n");
+ MM_Shutdown(mm);
+ exit(-1);
+ }
else
mm->mmerror = true;
}
void MM_FreePtr(memptr *baseptr, mminfo_t *mm)
{
- mmblocktype huge *scan,huge *last;
+ //huge mmblocktype huge *scan,huge *last;
+ mmblocktype far *scan,far *last;
last = mm->mmhead;
scan = last->next;
if(!scan)
{
- printf("MM_FreePtr: Block not found!");
+ printf("MM_FreePtr: Block not found!\n");
return;
}
last->next = scan->next;
- MM_FreeBlock(scan, mm);
+ FREEBLOCK(scan);
}
//==========================================================================
void MM_SetPurge(memptr *baseptr, int purge, mminfo_t *mm)
{
- mmblocktype huge *start;
+ //huge mmblocktype huge *start;
+ mmblocktype far *start;
start = mm->mmrover;
void MM_SetLock(memptr *baseptr, boolean locked, mminfo_t *mm)
{
- mmblocktype huge *start;
+ //huge mmblocktype huge *start;
+ mmblocktype far *start;
start = mm->mmrover;
void MM_SortMem(mminfo_t *mm)
{
- mmblocktype huge *scan,huge *last,huge *next;
+ //huge mmblocktype huge *scan,huge *last,huge *next;
+ mmblocktype far *scan,far *last,far *next;
unsigned start,length,source,dest,oldborder;
int playing;
// throw out the purgable block
//
next = scan->next;
- MM_FreeBlock(scan, mm);
+ FREEBLOCK(scan);
+ //MM_FreeBlock(scan, mm);
last->next = next;
scan = next;
continue;
MM_SetLock(&(memptr)audiosegs[playing],false);*/
}
-
//==========================================================================
-//****#if 0
/*
=====================
=
=====================
*/
-void MM_ShowMemory(page_t *page, mminfo_t *mm)
+void MM_ShowMemory(global_game_variables_t *gvar,/*page_t *page, */mminfo_t *mm)
{
- mmblocktype huge *scan;
- unsigned color,temp;
- long end,owner;
- word chx,chy;
- char scratch[160],str[16];
-
+ //huge mmblocktype huge *scan;
+ mmblocktype far *scan;
+ 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);
//++++mh temp = bufferofs;
//++++mh bufferofs = 0;
//**** VW_SetScreen (0,0);
-
scan = mm->mmhead;
-
end = -1;
-CA_OpenDebug ();
-
- chx=0;
- chy=0;
-
+ CA_OpenDebug (gvar);
+ w=0;
while(scan)
{
+ strcpy(scratch, AARESET);
if(scan->attributes & PURGEBITS)
- color = 5; // dark purple = purgable
+ strcpy(scratch0, AAMAGENTA); // dark purple = purgable
else
- color = 9; // medium blue = non purgable
+ strcpy(scratch0, AABLUE); // medium blue = non purgable
if(scan->attributes & LOCKBIT)
- color = 12; // red = locked
+ strcpy(scratch0, AARED); // red = locked
if(scan->start<=end)
{
- //printf(");
- write(debughandle,"\nMM_ShowMemory: Memory block order currupted!\n",strlen("\nMM_ShowMemory: Memory block order currupted!\n"));
+ 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");
- return;
+ break;
}
- end = scan->start+scan->length-1;
- modexhlin(page, scan->start, (unsigned)end, chy, color);
+ 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, "+");
+ }
+ strcat(scratch0, AARESET); strcat(scratch0, AAGREY); strcat(scratch0,"_");
//++++ VW_Plot(scan->start,0,15);
- modexClearRegion(page, scan->start, chy, 4, 4, 15);
- if(scan->next->start > end+1)
+//++++ modexClearRegion(page, chx, chy, 4, 4, 15);
//++++ VW_Hlin(end+1,scan->next->start,0,0); // black = free
- modexhlin(page, end+1,scan->next->start, chy, 9);
-
-//****#if 0
-printf("\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"); //bug!
-strcpy(scratch,"Seg:");
-ultoa (scan->start,str,16);
-strcat (scratch,str);
-strcat (scratch,"\tSize:");
-ltoa ((dword)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));
+
+ //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);
+ 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;
+//++++chy+=4;
//fprintf(stdout, "%s", scratch);
-//****#endif
scan = scan->next;
}
-
-CA_CloseDebug ();
+ /*strcpy(scratch1, AARESET);
+ strcat(scratch1, "========================================\n");
+ strcat(scratch1, "near= ");
+ ultoa (*(mm->nearheap),str,10);
+ strcat (scratch1,str);
+ strcat(scratch1, " far= ");
+ ultoa (*(mm->farheap),str,10);
+ strcat (scratch1,str);
+ strcat(scratch1, "\n");
+ //strcat(scratch1, "&near= %Fp ", &(mm->nearheap));
+ //strcat(scratch1, "&far= %Fp", &(mm->farheap));
+ //strcat(scratch1, "\n");
+ strcat(scratch1, "========================================\n");
+ write(gvar->handle.debughandle,scratch1,strlen(scratch1));*/
+
+
+ CA_CloseDebug (gvar);
//++++mh IN_Ack();
//**** VW_SetLineWidth(64);
//++++mh bufferofs = temp;
}
-//****#endif
-
-//==========================================================================\r
-\r
-/*\r
-=====================\r
-=\r
-= MM_DumpData\r
-=\r
-=====================\r
-*/\r
-\r
-void MM_DumpData(mminfo_t *mm)\r
-{\r
- mmblocktype far *scan,far *best;\r
- long lowest,oldlowest;\r
- unsigned owner;\r
- char lock,purge;\r
- FILE *dumpfile;\r
-\r
-\r
- free (mm->nearheap);\r
- dumpfile = fopen ("mmdump.txt","w");\r
- if (!dumpfile){\r
- printf("MM_DumpData: Couldn't open MMDUMP.TXT!");
+
+//==========================================================================
+
+/*
+=====================
+=
+= MM_DumpData
+=
+=====================
+*/
+
+void MM_DumpData(mminfo_t *mm)
+{
+ //huge mmblocktype huge *scan,huge *best;
+ mmblocktype far *scan,far *best;
+ long lowest,oldlowest;
+ word owner;
+ byte lock,purge;
+ FILE *dumpfile;
+
+ free(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;
- }\r
-\r
- lowest = -1;\r
- do\r
- {\r
- oldlowest = lowest;\r
- lowest = 0xffff;\r
-\r
- scan = mm->mmhead;\r
- while (scan)\r
- {\r
- owner = (unsigned)scan->useptr;\r
-\r
- if (owner && owner<lowest && owner > oldlowest)\r
- {\r
- best = scan;\r
- lowest = owner;\r
- }\r
-\r
- scan = scan->next;\r
- }\r
-\r
- if (lowest != 0xffff)\r
- {\r
- if (best->attributes & PURGEBITS)\r
- purge = 'P';\r
- else\r
- purge = '-';\r
- if (best->attributes & LOCKBIT)\r
- lock = 'L';\r
- else\r
- lock = '-';\r
- fprintf (dumpfile,"0x%p (%c%c) = %u\n"\r
- ,(unsigned)lowest,lock,purge,best->length);\r
- }\r
-\r
- } while (lowest != 0xffff);\r
-\r
- fclose (dumpfile);\r
- printf("MMDUMP.TXT created.");\r
+ }
+
+ lowest = -1;
+ do
+ {
+ oldlowest = lowest;
+ lowest = 0xffff;
+
+ scan = 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");
}
//==========================================================================
dword MM_UnusedMemory(mminfo_t *mm)
{
dword free;
- mmblocktype huge *scan;
+ //huge mmblocktype huge *scan;
+ mmblocktype far *scan;
free = 0;
scan = mm->mmhead;
scan = scan->next;
}
- return free*16l;
+ return free*16lu;
// return free;
}
dword MM_TotalFree(mminfo_t *mm)
{
dword free;
- mmblocktype huge *scan;
+ //huge mmblocktype huge *scan;
+ mmblocktype far *scan;
free = 0;
scan = mm->mmhead;
scan = scan->next;
}
- return free*16l;
+ return free*16lu;
// return free;
}
=====================
*/
-void MM_Report(page_t *page, mminfo_t *mm, mminfotype *mmi)
+void MM_Report(/*page_t *page, */mminfo_t *mm, mminfotype *mmi)
{
if(MML_CheckForEMS())
{
printf("freeEMSpages=%u\n", mm->freeEMSpages);
printf("EMSpageframe=%x\n", mm->EMSpageframe);
}
- if(MML_CheckForXMS(mm)) printf("XMSaddr=%Fp\n", *XMSaddr);
+ if(MML_CheckForXMS(mm)) printf("XMSaddr=%X\n", *XMSaddr);
printf("near=%lu\n", mmi->nearheap);
printf("far=%lu\n", mmi->farheap);
printf("EMSmem=%lu\n", mmi->EMSmem);
printf("mainmem=%lu\n", mmi->mainmem);
printf("UnusedMemory=%lu\n", MM_UnusedMemory(mm));
printf("TotalFree=%lu\n", MM_TotalFree(mm));
-// printf("\n");
-// printf("UnusedMemory=%lu kb\n", MM_UnusedMemory()/10248);
-// printf("TotalFree=%lu kb\n", MM_TotalFree()/10248);
+ printf("TotalUsed=%lu\n", mmi->mainmem+mmi->EMSmem+mmi->XMSmem+mmi->XMSmem);
}
//==========================================================================
/*
=====================
=
-= 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);
-}*/
+}
//==========================================================================
mm->bombonerror = bomb;
}
-void MM_GetNewBlock(mminfo_t *mm)
+/*void MM_GetNewBlock(mminfo_t *mm)
{
if(!mm->mmfree)
MML_ClearBlock(mm);
mm->mmnew=mm->mmfree;
mm->mmfree=mm->mmfree->next;
- /*if(!(mm->mmnew=mm->mmfree))
+ if(!(mm->mmnew=mm->mmfree))
{
- printf("MM_GETNEWBLOCK: No free blocks!");
+ printf("MM_GETNEWBLOCK: No free blocks!\n");
return;
}
- mm->mmfree=mm->mmfree->next;*/
+ mm->mmfree=mm->mmfree->next;
}
void MM_FreeBlock(mmblocktype *x, mminfo_t *mm)
x->useptr=NULL;
x->next=mm->mmfree;
mm->mmfree=x;
-}
+}*/
-void MM_seguin(void)
+/*void MM_seguin(void)
{
- __asm
- {
+ __asm {
push ds
mov ax,ds
inc ax
void MM_segude(void)
{
- __asm
- {
+ __asm {
pop ds
}
-}
+}*/
/*
pull data from far and put it into ds var
projects / 16.git / blobdiff