{
boolean emmcfems;
static char emmname[] = "EMMXXXX0"; //fix by andrius4669
-// mov dx,OFFSET emmname
__asm {
mov dx,OFFSET emmname //fix by andrius4669
mov ax,0x3d00
{
word base,size;
-getmemory:
+
__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.
======================
*/
-void MML_UseSpace(word segstart, dword seglength, mminfo_t *mm)
+/*void MML_UseSpace(word segstart, dword seglength, mminfo_t *mm)
{
mmblocktype huge *scan,huge *last;
word segm=1;
word oldend;
- dword segmlen=seglength;
+ dword segmlen;
dword extra;
scan = last = mm->mmhead;
{
last = scan;
scan = scan->next;
- //printf(" start=%x",scan->start);
- //printf(" seglen=%lu\n", scan->length);
- }
-
- //find out how many blocks it spans!
- //
- for(;segmlen>0x10000;segmlen-=0x10000)
- {
- //printf(" seglen=%lu\n", segmlen);
- segm++;
}
//
// take the given range out of the block
//
oldend = scan->start + scan->length;
- extra = oldend - (segstart+(word)seglength);
+ extra = oldend - (segstart+seglength);
+
+ segmlen=extra;
+
//++++emsver stuff!
- if(segm>1 || extra>=0x10000lu)
+ if(segm>1)/// || extra>=0x10000lu)
//if(extra>0xfffflu)
{
scan->blob=segm;
- /*__asm
- {
- push ds
- mov ax,ds
- inc ax
- mov ds,ax
- }*/
-
//MML_UseSpace(segstart, seglength, mm);
- /*__asm
- {
- pop ds
- }*/
printf("MML_UseSpace: Segment spans two blocks!\n");
//}
- printf("========================================\n");
printf("segm=%u ", segm);
printf("ex=%lu ", extra);
printf("old=%u ", oldend);
printf("len=%lu ", scan->length);
printf("seglen=%lu ", seglength);
printf("segmlen=%lu\n", segmlen);
- printf("========================================\n");
}
//++++todo: linked list of segment!
if(segstart == scan->start)
mm->mmnew->attributes = LOCKBIT;
}//else if(segm>0) goto segu;
+}*/
+void MML_UseSpace(word segstart, dword seglength, mminfo_t *mm)
+{
+ mmblocktype far *scan,far *last;
+ word oldend;
+ sdword extra;
+ //word segm=1;
+
+ 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+((word)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;
+ }
+
+ 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;
+ 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;
+ }
+
}
//==========================================================================
====================
*/
-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;
+ mmblocktype huge *scan,huge *lastscan,huge *endscan
+ ,huge *purge,huge *next;
int search;
- dword needed;
- word startseg;
+ unsigned needed,startseg;
needed = (size+15)/16; // convert size from bytes to paragraphs
-//printf("."); //0000
+
GETNEWBLOCK; // fill in start and next after a spot is found
mm->mmnew->length = needed;
mm->mmnew->useptr = baseptr;
mm->mmnew->attributes = BASEATTRIBUTES;
-//printf("."); //0000
- for(search = 0; search<3; search++)
+
+//tryagain:
+ for (search = 0; search<3; search++)
{
-printf("\n [case]"); //0000
//
// 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:
-printf("0 "); //0000
lastscan = mm->mmrover;
scan = mm->mmrover->next;
endscan = NULL;
break;
case 1:
-printf("1 "); //0000
lastscan = mm->mmhead;
scan = mm->mmhead->next;
endscan = mm->mmrover;
break;
case 2:
-printf("2 "); //0000
- MM_SortMem(mm);
+ MM_SortMem (mm);
lastscan = mm->mmhead;
scan = mm->mmhead->next;
endscan = NULL;
}
startseg = lastscan->start + lastscan->length;
-printf(" %x\n", startseg);
- while(scan != endscan)
+
+ while (scan != endscan)
{
-printf(","); //0000
- if(scan->start - startseg >= needed)
+ if (scan->start - startseg >= needed)
{
-printf("."); //0000
//
// got enough space between the end of lastscan and
// the start of scan, so throw out anything in the middle
//
purge = lastscan->next;
lastscan->next = mm->mmnew;
- mm->mmnew->start = *(word *)baseptr = startseg;
+ mm->mmnew->start = *(unsigned *)baseptr = startseg;
mm->mmnew->next = scan;
- while(purge != scan)
+ while ( purge != scan)
{ // free the purgable block
-printf(" freeing block~\n"); //0000
next = purge->next;
FREEBLOCK(purge);
purge = next; // purge another if not at scan
//
// if this block is purge level zero or locked, skip past it
//
- if((scan->attributes & LOCKBIT)
+ if ( (scan->attributes & LOCKBIT)
|| !(scan->attributes & PURGEBITS) )
{
-printf(" [lock] "); //0000
lastscan = scan;
-printf("start=%x ", lastscan->start);
-printf("len=%x ", lastscan->length);
-printf("\n"); //0000
-printf(" %x", lastscan->start + lastscan->length); //0000
-printf(" %x", lastscan->start + (word)lastscan->length); //0000
-printf(" %x", (word)lastscan->start + (word)lastscan->length); //0000
-printf("\n"); //0000
- startseg = (word)lastscan->start + (word)lastscan->length+1;
-printf("startseg =%x ok", startseg); //0000
+ startseg = lastscan->start + lastscan->length;
}
-printf(" end\n");
+
scan=scan->next; // look at next line
-printf("boop\n");//0000
}
}
sdword end,owner;
//word chx,chy;
word w;
- dword wwww;
- byte scratch[160],scratch0[4096],str[16];
+ //dword wwww;
+ byte scratch[160],scratch0[4096],scratch1[160],str[16];
//byte d = '#';
//**** VW_SetDefaultColors();
//**** VW_SetLineWidth(40);
//++++ 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->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<=(wwww/80);w++)
+ 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=%x start=%x next=%x end=%u %lu\n", w, scan->start, (scan->next->start), end+1, wwww);
+ //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;
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();
+ getch();
}*/
strcat(scratch0, AARESET);
- strcat(scratch0,"\n");
+ //strcat(scratch0,"\n");
//for(chx=scan->next->start;chx+4>=(word)end+1;chx+=4)
//{
// chx+=scan->next->start;
scan = scan->next;
}
+ /*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);
projects / 16.git / blobdiff