EMS: EMM386 emulation is based on the same logic as XMS for free memory,

so total memory should use the same calls as well. This fixes EMS
emulation reporting total system memory as available which often exceeds
the free memory reported by XMS.

src/ints/ems.cpp

@@ -247,6 +247,12 @@ struct MoveRegion {
 	Bit16u dest_page_seg;
 };
 
+static Bit16u EMM_GetTotalPages(void) {
+	Bitu count=MEM_FreeLargest()/4;
+	if (count>0x7fff) count=0x7fff;
+	return (Bit16u)count;
+}
+
 static Bit16u EMM_GetFreePages(void) {
 	Bitu count=MEM_FreeTotal()/4;
 	if (count>0x7fff) count=0x7fff;
@@ -748,7 +754,7 @@ static Bitu INT67_Handler(void) {
 		reg_ah=EMM_NO_ERROR;
 		break;
 	case 0x42:		/* Get number of pages */
-		reg_dx=(Bit16u)(MEM_TotalPages()/4);		//Not entirely correct but okay
+		reg_dx=EMM_GetTotalPages();
 		reg_bx=EMM_GetFreePages();
 		reg_ah=EMM_NO_ERROR;
 		break;