boolean MML_CheckForEMS(void)
{
boolean emmcfems;
- char emmname[] = "EMMXXXX0";
+ static char emmname[] = "EMMXXXX0"; //fix by andrius4669
// mov dx,OFFSET emmname
__asm {
- LEA DX, emmname //fix by andrius4669
+ //LEA DX, emmname //fix by andrius4669
+ mov dx,OFFSET emmname //fix by andrius4669
mov ax,0x3d00
int 0x21 // try to open EMMXXXX0 device
jc error
union REGS CPURegs;
EMShandle=mm->EMShandle;
- for (i=0;i<mm->EMSpagesmapped;i++)
+ for (i=0;i<4/*mm->EMSpagesmapped*/;i++)
{
__asm
{
strcpy(str,"MM_MapEMS: EMS error 0x");
itoa(err,str2,16);
strcpy(str,str2);
- printf("%s\n",str);
+ //printf("%s\n",str);
+ printf("FACK! %u\n", err);
return err;
}
}
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)
+{
+
+}
+
//==========================================================================
/*
void MML_UseSpace(/*d*/word segstart, dword seglength, mminfo_t *mm)
{
mmblocktype huge *scan,huge *last;
+ word segm;
dword oldend;
- ///*d*/word fat=0;
dword extra;
scan = last = mm->mmhead;
mm->mmrover = mm->mmhead; // reset rover to start of memory
- scan->segm=1;
- scan->segmlen=seglength;
//
// search for the block that contains the range of segments
scan = scan->next;
}
- //find out how many blocks it span!
- if(seglength>0xfffflu)
+ //find out how many blocks it spans!
+ if(seglength>0xffffu)
{
- scan->segm=seglength/0xfffflu;
+// segm=seglength/0x4000u;
+ segm=seglength/0xffffu;
}
+ else segm=1;
-//
-// take the given range out of the block
-//
- oldend = scan->start + scan->length;
- extra = oldend - (segstart+seglength);
//++++emsver stuff!
- if(extra>0xfffflu)
+ if(segm>1/*extra>0xfffflu*/)
{
/*__asm
{
inc ax
mov ds,ax
}*/
-printf("segm=%u ", scan->segm);
-printf("ex=%lu ", extra);
-printf("len=%u ", scan->length);
-printf("segsta=%u ", segstart);
-printf("seglen=%lu\n", seglength);
+
//MML_UseSpace(?segstart?, ?length?, mm);
//printf("MML_UseSpace: Segment spans two blocks!\n");
}
+//
+// 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);
+
//segu:
//++++todo: linked list of segment!
//printf("segm=%lu\n", segm);
void MM_Startup(mminfo_t *mm, mminfotype *mmi)
{
int i;
- dword length;//,farlen;
+ dword length;
void huge *start;
unsigned segstart,seglength,endfree;
MM_GetNewBlock(mm);
mm->mmhead = mm->mmnew; // this will allways be the first node
mm->mmnew->start = 0;
- mm->mmnew->length = 0xffff; //todo: mm make it fucking massive as fuck!~
+ mm->mmnew->length = 0xffff;
mm->mmnew->attributes = LOCKBIT;
mm->mmnew->next = NULL;
mm->mmrover = mm->mmhead;
_nheapgrow();
length=_memavl();
start = (void huge *)(mm->nearheap = malloc(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, mm);
mmi->nearheap = length;
+ //printf("near heap ok!\n");
//
// get all available far conventional memory segments
//---- length=farcoreleft();
_fheapgrow();
length=_memavl();
- //length-=farlen;
- start = mm->farheap = halloc(length, sizeof(dword));
+ start = mm->farheap = halloc(length, sizeof(byte));
//start = mm->farheap = _fmalloc(length);
length -= 16-(FP_OFF(start)&15);
length -= SAVEFARHEAP;
MML_UseSpace(segstart,seglength, mm);
mmi->farheap = length;
mmi->mainmem = mmi->nearheap + mmi->farheap;
+ //printf("far heap ok!\n");
//
MML_SetupEMS(mm); // allocate space
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,(/*++++mm->EMSpagesmapped++++*/4)*0x4000lu, mm);
+ MML_UseSpace(mm->EMSpageframe,(mm->EMSpagesmapped)*0x4000lu, mm);
//printf("EMS3\n");
MM_MapEMS(mm); // map in used pages
//printf("EMS4\n");
- mmi->EMSmem = (/*++++mm->EMSpagesmapped++++*/4)*0x4000lu;
+ mmi->EMSmem = (mm->EMSpagesmapped)*0x4000lu;
}
//
if(US_CheckParm(__argv[i],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!
+ 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
}
//
void MM_ShowMemory(mminfo_t *mm)
{
mmblocktype huge *scan;
- unsigned color,temp;//, i;
+ unsigned color,temp;
long end,owner;
char scratch[160],str[16];
projects / 16.git / blobdiff