mirror of
https://github.com/AppleWin/AppleWin.git
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f24971f582
Added Speech API support: . Capture char output to COUT . Enable speech via -speech cmd-line . Ctrl+Reset and FullSpeed mode purge the speech buffers Removed #pragma hdrstop from all .cpp files except AppleWin.cpp (which is the PCH create file)
100 lines
3.4 KiB
C++
100 lines
3.4 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: This module is created for emulation of the 8bit character mode (mode 1) switch,
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* which is located in $c060, and so far does not intend to emulate a tape device.
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*
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*
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* Author: Various
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*/
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#include "StdAfx.h"
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static BYTE C060 = 255;
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static bool CapsLockAllowed = false;
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//---------------------------------------------------------------------------
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BYTE __stdcall TapeRead (WORD, WORD address, BYTE, BYTE, ULONG nCyclesLeft)
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{
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/*
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If retrieving KeybGetKeycode(); causes problems CurrentKestroke shall be added
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in the submission variables and it shall be added by the TapeRead caller
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i.e. BYTE __stdcall TapeRead (WORD, WORD address, BYTE, BYTE, ULONG nCyclesLeft) shall become
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BYTE __stdcall TapeRead (WORD, WORD address, BYTE, BYTE, ULONG nCyclesLeft, byte CurrentKeystroke)
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*/
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static byte CurrentKestroke = 0;
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CurrentKestroke = KeybGetKeycode();
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if (g_Apple2Type == A2TYPE_PRAVETS8A )
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{
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C060= MemReadFloatingBus(nCyclesLeft); //IO_Null(pc, addr, bWrite, d, nCyclesLeft);
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if (CapsLockAllowed) //8bit keyboard mode
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{
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if (((P8CAPS_ON == false) && (P8Shift == false)) || ((P8CAPS_ON ) && (P8Shift ))) //LowerCase
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if ((CurrentKestroke<65) //|| ((CurrentKestroke>90) && (CurrentKestroke<96))
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|| ((CurrentKestroke>126) && (CurrentKestroke<193)))
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C060 |= 1 << 7; //Sets bit 7 to 1 for special keys (arrows, return, etc) and for control+ key combinations.
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else
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C060 &= 127; //sets bit 7 to 0
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else //UpperCase
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C060 |= 1 << 7;
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}
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else //7bit keyboard mode
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{
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C060 &= 191; //Sets bit 6 to 0; I am not sure if this shall be done, because its value is disregarded in this case.
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C060 |= 1 << 7; //Sets bit 7 to 1
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}
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return C060;
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}
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else return MemReadFloatingBus(nCyclesLeft); //IO_Null(pc, addr, bWrite, d, nCyclesLeft);
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}
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/*
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In case s.o. decides to develop tape device emulation, this function may be renamed,
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because tape is not written in $C060
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*/
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BYTE __stdcall TapeWrite(WORD programcounter, WORD address, BYTE write, BYTE value, ULONG nCyclesLeft)
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{
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if (g_Apple2Type == A2TYPE_PRAVETS8A)
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{
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if (value & 1)
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CapsLockAllowed = true;
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else
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CapsLockAllowed = false;
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//If bit0 of the input byte is 0, it will forbid 8-bit characters (Default)
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//If bit0 of the input byte is 1, it will allow 8-bit characters
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return 0;
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}
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else
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{
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return MemReadFloatingBus(nCyclesLeft);
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}
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}
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bool __stdcall GetCapsLockAllowed ()
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{
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return CapsLockAllowed;
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}
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