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52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
/*
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AppleWin : An Apple //e emulator for Windows
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Copyright (C) 1994-1996, Michael O'Brien
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Copyright (C) 1999-2001, Oliver Schmidt
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Copyright (C) 2002-2005, Tom Charlesworth
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Copyright (C) 2006-2007, Tom Charlesworth, Michael Pohoreski
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AppleWin is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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AppleWin is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with AppleWin; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* Description: Tape interface.
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*
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* Author: Various
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*
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* In comments, UTAIIe is an abbreviation for a reference to "Understanding the Apple //e" by James Sather
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*/
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#include "StdAfx.h"
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#include "Core.h"
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#include "Tape.h"
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#include "Memory.h"
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#include "Pravets.h"
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//---------------------------------------------------------------------------
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BYTE __stdcall TapeRead(WORD, WORD address, BYTE, BYTE, ULONG nExecutedCycles) // $C060 TAPEIN
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{
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if (g_Apple2Type == A2TYPE_PRAVETS8A)
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return GetPravets().GetKeycode( MemReadFloatingBus(nExecutedCycles) );
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return MemReadFloatingBus(1, nExecutedCycles); // TAPEIN has high bit 1 when input is low or not connected (UTAIIe page 7-5, 7-6)
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}
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BYTE __stdcall TapeWrite(WORD, WORD address, BYTE, BYTE, ULONG nExecutedCycles) // $C020 TAPEOUT
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{
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return 0;
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}
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