=======================
*/
-unsigned MML_SetupEMS(mminfo_t *mm)
+byte MML_SetupEMS(mminfo_t *mm)
{
- char str[80],str2[10];
- unsigned err;
+ char str[80];//,str2[10];
+ byte err;
boolean errorflag=false;
- union REGS CPURegs;
unsigned int EMSVer = 0;
//byte EMS_status;
mov [EMShandle],dx
jmp End
error:
+ mov err,ah
mov errorflag,1
jmp End
noEMS:
}
if(errorflag==true)
{
- err = CPURegs.h.ah;
+ //err = CPURegs.h.ah;
strcpy(str,"MML_SetupEMS: EMS error 0x");
- itoa(err,str2,16);
- strcpy(str,str2);
- printf("%s\n",str);
+ //itoa(err,str2,16);
+ //strcat(str,&err);
+ //printf("%s\n",str);
+ printf("%s%x\n",str,err);
return err;
}
mm->totalEMSpages=totalEMSpages;
mov errorflag,1
ok:
}
- if(errorflag==true) printf("MML_ShutdownEMS: Error freeing EMS!"); //++++ add something
+ 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;
+ char str[80];
+ unsigned EMShandle;
+ byte err;
boolean errorflag=false;
int i;
- union REGS CPURegs;
EMShandle=mm->EMShandle;
- for (i=0;i<MAPPAGES/*4mm->EMSpagesmapped*/;i++)
+ for (i=0;i<4/*MAPPAGES*/;i++)
{
__asm
{
jnz error
jmp End
error:
+ mov err,ah
mov errorflag,1
End:
}
if(errorflag==true)
{
- err = CPURegs.h.ah;
+ //err = CPURegs.h.ah;
strcpy(str,"MM_MapEMS: EMS error 0x");
- itoa(err,str2,16);
- strcpy(str,str2);
+ //itoa(err,str2,16);
+ //strcat(str,&err);
//printf("%s\n",str);
- printf("FACK! %u\n", err);
+ printf("%s%x\n",str, err);
+ //printf("FACK! %x\n", err);
return err;
}
}
+ mmi->EMSmem = (i)*0x4000lu;
return 0;
}
-/*
-SUB EMS.MapXPages (PhysicalStart, LogicalStart, NumPages, Handle)\r
+byte MM_MapXEMS(mminfo_t *mm, mminfotype *mmi)
+{
+
+//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
+ //Maps up to 4 logical EMS pages to physical pages in the page frame, where:\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
+ /*//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
+// 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)
-{
+//END SUB
+ char str[80];
+ 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 ax,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
+ error:
+ mov err,ah
+ mov errorflag,1
+ End:
+ }
+ if(errorflag==true)
+ {
+ //err = CPURegs.h.ah;
+ strcpy(str,"MM_MapXEMS: EMS error 0x");
+ //itoa(err,str2,16);
+ //strcat(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;
}
//==========================================================================
//
// 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!
+ printf("EMS1\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++)
{
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");
+ MML_SetupEMS(mm); // allocate space
+printf("EMS3\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
}
//
projects / 16.git / blobdiff