StripAddress

toolbox/mm.cpp

@@ -553,4 +553,29 @@ namespace MM
 		return 0;
 	}
 
+
+	#pragma mark -
+	uint32_t StripAddress(uint16_t trap)
+	{
+		/* 
+		 * on entry:
+		 * d0 Address to strip
+		 *
+		 * on exit:
+		 * D0 Address that has been stripped.
+		 *
+		 */
+
+		// TODO -- in 32-bit mode, this is a nop.
+		// have a --24 / --32 flag?
+
+		uint32_t address = cpuGetDReg(0);
+
+		Log("%04x StripAddress(%08x)\n", trap, address);
+
+		address &= 0x00ffffff;
+		return address;
+	}
+
+
 }

toolbox/mm.h

@@ -52,6 +52,8 @@ namespace MM
 	
 	uint16_t MoveHHi(uint16_t trap);
 
+	uint32_t StripAddress(uint16_t trap);
+
 }
 
 

toolbox/toolbox.cpp

@@ -101,6 +101,10 @@ namespace ToolBox {
 				d0 = MM::CompactMem(trap);
 				break;
 
+			case 0xa055:
+				d0 = MM::StripAddress(trap);
+				break;
+
 			// MoveHHi (h: Handle);
 			case 0xa064:
 				d0 = MM::MoveHHi(trap);