union REGS CPURegs;
unsigned int EMSVer = 0;
+ //byte EMS_status;
unsigned totalEMSpages,freeEMSpages,EMSpageframe,EMSpagesmapped,EMShandle;
totalEMSpages = freeEMSpages = EMSpageframe = EMSpagesmapped = 0;
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
union REGS CPURegs;
EMShandle=mm->EMShandle;
- for (i=0;i<4/*mm->EMSpagesmapped*/;i++)
+ for (i=0;i<MAPPAGES/*4mm->EMSpagesmapped*/;i++)
{
__asm
{
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)
+{
+
+}
+
//==========================================================================
/*
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");
+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,(mm->EMSpagesmapped)*0x4000lu, mm);
-//printf("EMS3\n");
+ MML_UseSpace(mm->EMSpageframe,(MAPPAGES)*0x4000lu, mm);
+printf("EMS3\n");
MM_MapEMS(mm); // map in used pages
-//printf("EMS4\n");
- mmi->EMSmem = (mm->EMSpagesmapped)*0x4000lu;
+printf("EMS4\n");
+ mmi->EMSmem = (MAPPAGES)*0x4000lu;
}
//
if(!scan)
{
- printf("MM_FreePtr: Block not found!");
+ printf("MM_FreePtr: Block not found!\n");
return;
}
=====================
*/
-void MM_ShowMemory(mminfo_t *mm)
+void MM_ShowMemory(page_t *page, mminfo_t *mm)
{
mmblocktype huge *scan;
- unsigned color,temp;
+ word color,temp;
long end,owner;
- char scratch[160],str[16];
+ word chx,chy;
+ byte scratch[160],str[16];
//**** VW_SetDefaultColors();
//**** VW_SetLineWidth(40);
end = -1;
-//CA_OpenDebug ();
+CA_OpenDebug ();
+
+ chx=0;
+ chy=0;
while(scan)
{
color = 12; // red = locked
if(scan->start<=end)
{
- printf("\nMM_ShowMemory: Memory block order currupted!\n");
+ //printf(");
+ write(debughandle,"\nMM_ShowMemory: Memory block order currupted!\n",strlen("\nMM_ShowMemory: Memory block order currupted!\n"));
+ //modexprint(&page, chx, chy, 1, 0, 24, "\nMM_ShowMemory: Memory block order currupted!\n");
return;
}
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);
+
//++++ VW_Plot(scan->start,0,15);
+ modexClearRegion(page, chx, chy, 4, 4, 15);
if(scan->next->start > end+1)
//++++ VW_Hlin(end+1,scan->next->start,0,0); // black = free
+ //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);
+
+/*
+ end = scan->length-1;
+ y = scan->start/320;
+ x = scan->start%320;
+ VW_Hlin(x,x+end,y,color);
+ VW_Plot(x,y,15);
+ if (scan->next && scan->next->start > end+1)
+ VW_Hlin(x+end+1,x+(scan->next->start-scan->start),y,0); // black = free
+*/
//****#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,"Location:");
+strcpy(scratch,"Seg:");
ultoa (scan->start,str,16);
strcat (scratch,str);
strcat (scratch,"\tSize:");
ultoa (owner,str,16);
strcat (scratch,str);
strcat (scratch,"\n");
-//++++write (debughandle,scratch,strlen(scratch));
-fprintf(stdout, "%s", scratch);
+write(debughandle,scratch,strlen(scratch));
+//modexprint(page, chx, chy, 1, 0, 24, &scratch);
+chy+=4;
+//fprintf(stdout, "%s", scratch);
//****#endif
scan = scan->next;
}
-//CA_CloseDebug ();
+CA_CloseDebug ();
//++++mh IN_Ack();
//**** VW_SetLineWidth(64);
//==========================================================================
+/*
+=====================
+=
+= MM_DumpData
+=
+=====================
+*/
+
+void MM_DumpData(mminfo_t *mm)
+{
+ mmblocktype far *scan,far *best;
+ long lowest,oldlowest;
+ word owner;
+ byte lock,purge;
+ FILE *dumpfile;
+
+
+ free (mm->nearheap);
+ dumpfile = fopen ("mmdump.txt","w");
+ if (!dumpfile){
+ printf("MM_DumpData: Couldn't open MMDUMP.TXT!\n");
+ return;
+ }
+
+ lowest = -1;
+ do
+ {
+ oldlowest = lowest;
+ lowest = 0xffff;
+
+ scan = mm->mmhead;
+ while (scan)
+ {
+ owner = (word)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"
+ ,(word)lowest,lock,purge,best->length);
+ }
+
+ } while (lowest != 0xffff);
+
+ fclose (dumpfile);
+ printf("MMDUMP.TXT created.\n");
+}
+
+//==========================================================================
+
/*
======================
=====================
*/
-void MM_Report(mminfo_t *mm, mminfotype *mmi)
+void MM_Report(page_t *page, mminfo_t *mm, mminfotype *mmi)
{
if(MML_CheckForEMS())
{
- printf("EMM %x available\n", mm->EMSVer);
+ printf("EMM v%x.%x available\n", mm->EMSVer>>4,mm->EMSVer&0x0F);
printf("totalEMSpages=%u\n", mm->totalEMSpages);
printf("freeEMSpages=%u\n", mm->freeEMSpages);
printf("EMSpageframe=%x\n", mm->EMSpageframe);
projects / 16.git / blobdiff