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/* -*- 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);
}
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