1 files changed, 151 insertions, 0 deletions

diff --git a/SrcShared/Hardware/EmRegsVZPalmM505.cpp b/SrcShared/Hardware/EmRegsVZPalmM505.cpp
new file mode 100644
index 0000000..938a4e6
--- /dev/null
+++ b/SrcShared/Hardware/EmRegsVZPalmM505.cpp
@@ -0,0 +1,151 @@
+/* -*- mode: C++; tab-width: 4 -*- */
+/* ===================================================================== *\
+	Copyright (c) 2000-2001 Palm, Inc. or its subsidiaries.
+	All rights reserved.
+
+	This file is part of the Palm OS Emulator.
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+\* ===================================================================== */
+
+#include "EmCommon.h"
+#include "EmRegsVZPalmM505.h"
+#include "EmRegsVZPrv.h"
+
+#include "EmBankRegs.h"			// EmBankRegs::DisableSubBank
+#include "EmRegsSED1376.h"		// sed1376RegsAddr
+
+
+// ---------------------------------------------------------------------------
+//		¥ EmRegsVZPalmM505::EmRegsVZPalmM505
+// ---------------------------------------------------------------------------
+
+EmRegsVZPalmM505::EmRegsVZPalmM505 (void) :
+	EmRegsVZPalmM500 ()
+{
+}
+
+
+// ---------------------------------------------------------------------------
+//		¥ EmRegsVZPalmM505::~EmRegsVZPalmM505
+// ---------------------------------------------------------------------------
+
+EmRegsVZPalmM505::~EmRegsVZPalmM505 (void)
+{
+}
+
+
+// ---------------------------------------------------------------------------
+//		¥ EmRegsVZPalmM505::SetSubBankHandlers
+// ---------------------------------------------------------------------------
+
+void EmRegsVZPalmM505::SetSubBankHandlers (void)
+{
+	// Install base handlers.
+
+	EmRegsVZ::SetSubBankHandlers ();
+
+	// Now add standard/specialized handers for the defined registers.
+
+	this->SetHandler ((ReadFunction) &EmRegsVZ::StdRead,
+		(WriteFunction) &EmRegsVZPalmM505::portFSelectWrite,
+		addressof (portFSelect), sizeof (f68VZ328Regs.portFSelect));
+}
+
+
+// ---------------------------------------------------------------------------
+//		¥ EmRegsVZ::portFSelectWrite
+// ---------------------------------------------------------------------------
+
+void EmRegsVZPalmM505::portFSelectWrite (emuptr address, int size, uint32 value)
+{
+	uint8	oldPortFSelect = READ_REGISTER (portFSelect);
+
+	// Do a standard update of the register.
+
+	EmRegsVZ::StdWrite (address, size, value);
+
+	uint8	portFSelect = READ_REGISTER (portFSelect);
+
+#define	hwrVZPortFBusClock				0x04		// (P) Bus Clock
+
+	if (((portFSelect ^ oldPortFSelect) & hwrVZPortFBusClock) != 0)
+	{
+		if ((portFSelect & hwrVZPortFBusClock) != 0)
+		{
+			EmBankRegs::DisableSubBank (sed1376RegsAddr);
+			EmBankRegs::DisableSubBank (sed1376VideoMemStart);
+		}
+		else
+		{
+			EmBankRegs::EnableSubBank (sed1376RegsAddr);
+			EmBankRegs::EnableSubBank (sed1376VideoMemStart);
+		}
+	}
+}
+
+
+// ---------------------------------------------------------------------------
+//		¥ EmRegsVZPalmM505::GetLCDScreenOn
+// ---------------------------------------------------------------------------
+
+Bool EmRegsVZPalmM505::GetLCDScreenOn (void)
+{
+	// Override the Dragonball version and let the SED 1376 handle it.
+
+	return EmHALHandler::GetLCDScreenOn ();
+}
+
+
+// ---------------------------------------------------------------------------
+//		¥ EmRegsVZPalmM505::GetLCDBacklightOn
+// ---------------------------------------------------------------------------
+
+Bool EmRegsVZPalmM505::GetLCDBacklightOn (void)
+{
+	// Override the Dragonball version and let the SED 1376 handle it.
+
+	return EmHALHandler::GetLCDBacklightOn ();
+}
+
+
+// ---------------------------------------------------------------------------
+//		¥ EmRegsVZPalmM505::GetLCDHasFrame
+// ---------------------------------------------------------------------------
+
+Bool EmRegsVZPalmM505::GetLCDHasFrame (void)
+{
+	// Override the Dragonball version and let the SED 1376 handle it.
+
+	return EmHALHandler::GetLCDHasFrame ();
+}
+
+
+// ---------------------------------------------------------------------------
+//		¥ EmRegsVZPalmM505::GetLCDBeginEnd
+// ---------------------------------------------------------------------------
+
+void EmRegsVZPalmM505::GetLCDBeginEnd (emuptr& begin, emuptr& end)
+{
+	// Override the Dragonball version and let the SED 1376 handle it.
+
+	EmHALHandler::GetLCDBeginEnd (begin, end);
+}
+
+
+// ---------------------------------------------------------------------------
+//		¥ EmRegsVZPalmM505::GetLCDScanlines
+// ---------------------------------------------------------------------------
+
+void EmRegsVZPalmM505::GetLCDScanlines (EmScreenUpdateInfo& info)
+{
+	// Override the Dragonball version and let the SED 1376 handle it.
+
+	EmHALHandler::GetLCDScanlines (info);
+}
+
+
+