X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;f=src%2Flib%2F16_mm.c;h=1800c7d5bde45ba148ad6cf03dcce2460a66a0b9;hb=d45a99ed2ea331a9d2f19b20494fec509fc0efb5;hp=66da4714c434ad2a41a1bb1e50f2fd006696525e;hpb=002ac4d6351dcadf952b52baf3c04b51e6722b15;p=16.git

diff --git a/src/lib/16_mm.c b/src/lib/16_mm.c
index 66da4714..1800c7d5 100644
--- a/src/lib/16_mm.c
+++ b/src/lib/16_mm.c
@@ -83,10 +83,11 @@ static	char *ParmStringsexmm[] = {"noems","noxms",""};
 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
@@ -174,7 +175,7 @@ unsigned MML_SetupEMS(mminfo_t *mm)
 		mov	[freeEMSpages],bx
 		or	bx,bx
 		jz	noEMS						// no EMS at all to allocate
-//++++EXPAND DONG!!!!
+											//EXPAND DONG!!!!
 		cmp	[EMSVer],0x40
 		jb	low
 		cmp	bx,[freeEMSpages]
@@ -353,6 +354,7 @@ getmemory:
 
 		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
@@ -370,6 +372,7 @@ gotone:
 		mov	[size],dx
 done:
 	}
+	printf("base=%u	", base); printf("size=%u\n", size);
 	MML_UseSpace(base,size, mm);
 	mmi->XMSmem += size*16;
 	mm->UMBbase[mm->numUMBs] = base;
@@ -418,12 +421,11 @@ void MML_ShutdownXMS(mminfo_t *mm)
 ======================
 */
 
-void MML_UseSpace(unsigned segstart, dword seglength, mminfo_t *mm)
+void MML_UseSpace(/*d*/word segstart, dword seglength, mminfo_t *mm)
 {
 	mmblocktype huge *scan,huge *last;
+	word		segm;
 	dword	oldend;
-	dword fat=0;
-	word segm=0;
 	dword		extra;
 
 	scan = last = mm->mmhead;
@@ -438,20 +440,42 @@ void MML_UseSpace(unsigned segstart, dword seglength, mminfo_t *mm)
 		scan = scan->next;
 	}
 
+	//find out how many blocks it spans!
+	if(seglength>0xffffu)
+	{
+//		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*/)
 	{
-		segm=(extra%(0xfffflu))-1;
-		fat=segm*(0xfffflu);
-		extra-=fat;
-//printf("extra=%lu	", extra);
-//printf("segm=%lu\n", segm);
-		printf("MML_UseSpace: Segment spans two blocks!\n");
+		/*__asm
+		{
+			push	ds
+			mov	ax,ds
+			inc		ax
+			mov	ds,ax
+		}*/
+printf("segm=%u	", segm);
+printf("ex=%lu	", extra);
+printf("len=%u	", scan->length);
+printf("segsta=%x	", segstart);
+printf("seglen=%lu\n", seglength);
+
+//MML_UseSpace(?segstart?, ?length?, mm);
+
+		/*__asm
+		{
+			pop ds
+		}*/
+		//printf("MML_UseSpace: Segment spans two blocks!\n");
 	}
 
 //segu:
@@ -468,7 +492,7 @@ void MML_UseSpace(unsigned segstart, dword seglength, mminfo_t *mm)
 
 //	segm--;
 
-	if(0xfffflu > extra > 0)
+	if(extra > 0)
 	{
 		MM_GetNewBlock(mm);
 		mm->mmnew->next = scan->next;
@@ -528,7 +552,7 @@ void MML_ClearBlock(mminfo_t *mm)
 void MM_Startup(mminfo_t *mm, mminfotype *mmi)
 {
 	int i;
-	dword length;//,farlen;
+	dword length;
 	void huge	*start;
 	unsigned	segstart,seglength,endfree;
 
@@ -554,7 +578,7 @@ void MM_Startup(mminfo_t *mm, mminfotype *mmi)
 	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;
@@ -568,13 +592,13 @@ void MM_Startup(mminfo_t *mm, mminfotype *mmi)
 	_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
@@ -582,8 +606,7 @@ void MM_Startup(mminfo_t *mm, mminfotype *mmi)
 //----	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;
@@ -592,11 +615,13 @@ void MM_Startup(mminfo_t *mm, mminfotype *mmi)
 	MML_UseSpace(segstart,seglength, mm);
 	mmi->farheap = length;
 	mmi->mainmem = mmi->nearheap + mmi->farheap;
+	//printf("far heap ok!\n");
 
 
 //
 // 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++)
 	{
@@ -610,11 +635,11 @@ void MM_Startup(mminfo_t *mm, mminfotype *mmi)
 		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,((dword)mm->EMSpagesmapped)*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 = ((dword)mm->EMSpagesmapped)*0x4000lu;
+		mmi->EMSmem = (mm->EMSpagesmapped)*0x4000lu;
 	}
 
 //
@@ -627,11 +652,11 @@ emsskip:
 		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
+		printf("XMS!\n");
+		//MML_SetupXMS(mm, mmi);					// allocate as many UMBs as possible
 	}
 
 //
@@ -1012,9 +1037,9 @@ void MM_SortMem(mminfo_t *mm)
 void MM_ShowMemory(mminfo_t *mm)
 {
 	mmblocktype huge *scan;
-	unsigned color,temp;//, i;
+	unsigned color,temp;
 	long	end,owner;
-	char    scratch[80],str[10];
+	char    scratch[160],str[16];
 
 //****	VW_SetDefaultColors();
 //****	VW_SetLineWidth(40);
@@ -1028,7 +1053,7 @@ void MM_ShowMemory(mminfo_t *mm)
 
 //CA_OpenDebug ();
 
-	while (scan)
+	while(scan)
 	{
 		if(scan->attributes & PURGEBITS)
 			color = 5;		// dark purple = purgable
@@ -1038,7 +1063,7 @@ void MM_ShowMemory(mminfo_t *mm)
 			color = 12;		// red = locked
 		if(scan->start<=end)
 		{
-			printf("MM_ShowMemory: Memory block order currupted!");
+			printf("\nMM_ShowMemory: Memory block order currupted!\n");
 			return;
 		}
 		end = scan->start+scan->length-1;
@@ -1048,9 +1073,11 @@ void MM_ShowMemory(mminfo_t *mm)
 //++++			VW_Hlin(end+1,scan->next->start,0,0);	// black = free
 
 //****#if 0
-printf("Location:");
-printf("%x\t", scan->start);
-strcpy (scratch,"Size:");
+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,"Location:");
+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");
@@ -1156,7 +1183,7 @@ void MM_Report(mminfo_t *mm, mminfotype *mmi)
 		printf("freeEMSpages=%u\n", mm->freeEMSpages);
 		printf("EMSpageframe=%x\n", mm->EMSpageframe);
 	}
-	if(MML_CheckForXMS(mm)) printf("XMSaddr=%x\n", *XMSaddr);
+	if(MML_CheckForXMS(mm)) printf("XMSaddr=%Fp\n", *XMSaddr);
 	printf("near=%lu\n", mmi->nearheap);
 	printf("far=%lu\n", mmi->farheap);
 	printf("EMSmem=%lu\n", mmi->EMSmem);
@@ -1226,3 +1253,33 @@ void MM_FreeBlock(mmblocktype *x, mminfo_t *mm)
 	x->next=mm->mmfree;
 	mm->mmfree=x;
 }
+
+void MM_seguin(void)
+{
+	__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
+*/