TempFreeMem

toolbox/mm.cpp

@@ -1504,9 +1504,19 @@ namespace MM
 		if (address) memoryWriteLong(0, address);
 
 		ToolReturn<4>(sp, mplite_maxmem(&pool));
-		SetMemError(0); // not sure if this is correct.  oh well.
 
-		return 0;
+		return SetMemError(0);
 	}
 
+	uint16_t TempFreeMem(void)
+	{
+
+		// FUNCTION TempFreeMem: LongInt;
+
+		Log("     TempFreeMem()\n");
+
+		ToolReturn<4>(-1, mplite_freemem(&pool));
+
+		return SetMemError(0);
+	}
 }

toolbox/mm.h

@@ -88,6 +88,7 @@ namespace MM
 	// OS Dispatch
 
 	uint16_t TempMaxMem(void);
+	uint16_t TempFreeMem(void);
 }
 
 

toolbox/toolbox.cpp

@@ -65,6 +65,9 @@ namespace ToolBox {
 			case 0x0015:
 				return MM::TempMaxMem();
 
+			case 0x0018:
+				return MM::TempFreeMem();
+
 			default:
 				fprintf(stderr, "OSDispatch: selector %04x not implemented\n", 
 					selector);