mirror of
https://github.com/AppleWin/AppleWin.git
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626 lines
15 KiB
C++
626 lines
15 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: Debugger
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*
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* Author: Copyright (C) 2006, Michael Pohoreski
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*/
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#include "StdAfx.h"
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// Console ________________________________________________________________________________________
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// See ConsoleInputReset() for why the console input
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// is tied to the zero'th output of g_aConsoleDisplay
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// and not using a seperate var: g_aConsoleInput[ CONSOLE_WIDTH ];
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//
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// : g_aConsoleBuffer[4] | ^ g_aConsoleDisplay[5] :
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// : g_aConsoleBuffer[3] | | g_aConsoleDisplay[4] <- g_nConsoleDisplayTotal
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// g_nConsoleBuffer -> g_aConsoleBuffer[2] | | g_aConsoleDisplay[3] :
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// : g_aConsoleBuffer[1] v | g_aConsoleDisplay[2] :
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// . g_aConsoleBuffer[0] -----> | g_aConsoleDisplay[1] .
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// |
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// g_aBufferedInput[0] -----> ConsoleInput ----> | g_aConsoleDisplay[0]
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// g_aBufferedInput[1] ^
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// g_aBufferedInput[2] |
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// g_aBufferedInput[3] |
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// Buffer
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bool g_bConsoleBufferPaused = false; // buffered output is waiting for user to continue
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int g_nConsoleBuffer = 0;
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conchar_t g_aConsoleBuffer[ CONSOLE_BUFFER_HEIGHT ][ CONSOLE_WIDTH ]; // TODO: stl::vector< line_t >
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// Cursor
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char g_sConsoleCursor[] = "_";
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// Display
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char g_aConsolePrompt[] = ">!"; // input, assembler // NUM_PROMPTS
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char g_sConsolePrompt[] = ">"; // No, NOT Integer Basic! The nostalgic '*' "Monitor" doesn't look as good, IMHO. :-(
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int g_nConsolePromptLen = 1;
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bool g_bConsoleFullWidth = true; // false
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int g_iConsoleDisplayStart = 0; // to allow scrolling
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int g_nConsoleDisplayTotal = 0; // number of lines added to console
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int g_nConsoleDisplayLines = 0;
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int g_nConsoleDisplayWidth = 0;
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conchar_t g_aConsoleDisplay[ CONSOLE_HEIGHT ][ CONSOLE_WIDTH ];
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// Input History
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int g_nHistoryLinesStart = 0;
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int g_nHistoryLinesTotal = 0; // number of commands entered
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char g_aHistoryLines[ HISTORY_HEIGHT ][ HISTORY_WIDTH ] = {""};
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// Input Line
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// Raw input Line (has prompt)
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char g_aConsoleInput[ CONSOLE_WIDTH ]; // = g_aConsoleDisplay[0];
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// Cooked input line (no prompt)
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int g_nConsoleInputChars = 0;
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char * g_pConsoleInput = 0; // points to past prompt
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const char * g_pConsoleFirstArg = 0; // points to first arg
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bool g_bConsoleInputQuoted = false; // Allows lower-case to be entered
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char g_nConsoleInputSkip = '~';
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// Prototypes _______________________________________________________________
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// Console ________________________________________________________________________________________
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int ConsoleLineLength( const conchar_t * pText )
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{
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int nLen = 0;
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const conchar_t *pSrc = pText;
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if (pText )
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{
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while (*pSrc)
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{
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pSrc++;
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}
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nLen = pSrc - pText;
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}
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return nLen;
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}
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//===========================================================================
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const conchar_t* ConsoleBufferPeek ()
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{
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return g_aConsoleBuffer[ 0 ];
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}
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//===========================================================================
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bool ConsolePrint ( const char * pText )
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{
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while (g_nConsoleBuffer >= CONSOLE_BUFFER_HEIGHT)
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{
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ConsoleBufferToDisplay();
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}
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// Convert color string to native console color text
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// Ignores g_nConsoleDisplayWidth
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char c;
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int x = 0;
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const char *pSrc = pText;
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conchar_t *pDst = & g_aConsoleBuffer[ g_nConsoleBuffer ][ 0 ];
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conchar_t g = 0;
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bool bHaveColor = false;
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char cColor = 0;
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while ((x < CONSOLE_WIDTH) && (c = *pSrc))
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{
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if ((c == '\n') || (x >= (CONSOLE_WIDTH - 1)))
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{
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*pDst = 0;
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x = 0;
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if (g_nConsoleBuffer >= CONSOLE_BUFFER_HEIGHT)
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{
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ConsoleBufferToDisplay();
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}
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else
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{
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g_nConsoleBuffer++;
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}
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pSrc++;
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pDst = & g_aConsoleBuffer[ g_nConsoleBuffer ][ 0 ];
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}
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else
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{
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g = (c & _CONSOLE_COLOR_MASK);
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// `# `A color encode mouse text
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if (ConsoleColor_IsCharMeta( c ))
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{
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if (! pSrc[1])
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break;
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if (ConsoleColor_IsCharMeta( pSrc[1] )) // ` `
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{
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bHaveColor = false;
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cColor = 0;
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g = ConsoleColor_MakeColor( cColor, c );
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*pDst = g;
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x++;
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pDst++;
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}
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else
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if (ConsoleColor_IsCharColor( pSrc[1] )) // ` #
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{
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cColor = pSrc[1];
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bHaveColor = true;
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}
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else // ` @
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{
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c = ConsoleColor_MakeMouse( pSrc[1] );
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g = ConsoleColor_MakeColor( cColor, c );
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*pDst = g;
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x++;
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pDst++;
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}
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pSrc++;
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pSrc++;
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}
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else
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{
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if (bHaveColor)
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{
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g = ConsoleColor_MakeColor( cColor, c );
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bHaveColor = false;
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}
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*pDst = g;
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x++;
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pDst++;
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pSrc++;
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}
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}
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/*
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if (ConsoleColor_IsCharMeta( c ))
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{
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// Convert mult-byte to packed char
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// 0 1 2 Offset
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// =====
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// 1 ~ - null
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// 2 ~ 0 - null - exit
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// 3 ~ 0 x color (3 bytes packed into char16
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// 4 ~ @ - mouse text
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// 5 ~ @ x mouse Text
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// 6 ~ ~ ~
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// Legend:
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// ~ Color escape
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// x Any char
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// - Null
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if (pSrc[1])
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{
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if (ConsoleColor_IsCharMeta( pSrc[1] )) // 6
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{
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*pDst = c;
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x++;
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pSrc += 2;
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pDst++;
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}
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else
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if (ConsoleColor_IsCharColor( pSrc[1] ))
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{
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if (pSrc[2]) // 3
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{
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x++;
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*pDst = ConsoleColor_MakeColor( pSrc[1], pSrc[2] );
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pSrc += 3;
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pDst++;
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}
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else
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break; // 2
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}
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else // 4 or 5
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{
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*pDst = ConsoleColor_MakeMeta( pSrc[1] );
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x++;
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pSrc += 2;
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pDst++;
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}
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}
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else
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break; // 1
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}
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else
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{
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*pDst = (c & _CONSOLE_COLOR_MASK);
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x++;
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pSrc++;
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pDst++;
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}
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*/
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}
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*pDst = 0;
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g_nConsoleBuffer++;
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return true;
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}
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// Add string to buffered output
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// Shifts the buffered console output lines "Up"
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//===========================================================================
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bool ConsoleBufferPush ( const char * pText )
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{
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while (g_nConsoleBuffer >= CONSOLE_BUFFER_HEIGHT)
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{
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ConsoleBufferToDisplay();
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}
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conchar_t c;
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int x = 0;
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const char *pSrc = pText;
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conchar_t *pDst = & g_aConsoleBuffer[ g_nConsoleBuffer ][ 0 ];
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while ((x < CONSOLE_WIDTH) && (c = *pSrc))
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{
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if ((c == '\n') || (x == (CONSOLE_WIDTH - 1)))
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{
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*pDst = 0;
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x = 0;
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if (g_nConsoleBuffer >= CONSOLE_BUFFER_HEIGHT)
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{
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ConsoleBufferToDisplay();
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}
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else
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{
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g_nConsoleBuffer++;
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}
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pSrc++;
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pDst = & g_aConsoleBuffer[ g_nConsoleBuffer ][ 0 ];
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}
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else
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{
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*pDst = (c & _CONSOLE_COLOR_MASK);
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x++;
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pSrc++;
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pDst++;
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}
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}
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*pDst = 0;
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g_nConsoleBuffer++;
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return true;
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}
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// Shifts the buffered console output "down"
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//===========================================================================
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void ConsoleBufferPop ()
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{
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int y = 0;
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while (y < g_nConsoleBuffer)
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{
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memcpy(
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g_aConsoleBuffer[ y ],
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g_aConsoleBuffer[ y+1 ],
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sizeof( conchar_t ) * CONSOLE_WIDTH
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);
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y++;
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}
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g_nConsoleBuffer--;
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if (g_nConsoleBuffer < 0)
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g_nConsoleBuffer = 0;
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}
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// Remove string from buffered output
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//===========================================================================
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void ConsoleBufferToDisplay ()
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{
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ConsoleDisplayPush( ConsoleBufferPeek() );
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ConsoleBufferPop();
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}
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// No mark-up. Straight ASCII conversion
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//===========================================================================
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void ConsoleConvertFromText ( conchar_t * sText, const char * pText )
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{
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int x = 0;
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const char *pSrc = pText;
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conchar_t *pDst = sText;
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while (pSrc && *pSrc)
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{
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*pDst = (conchar_t) (*pSrc & _CONSOLE_COLOR_MASK);
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pSrc++;
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pDst++;
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}
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*pDst = 0;
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}
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//===========================================================================
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Update_t ConsoleDisplayError ( const char * pText)
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{
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ConsoleBufferPush( pText );
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return ConsoleUpdate();
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}
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//===========================================================================
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void ConsoleDisplayPush ( const char * pText )
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{
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conchar_t sText[ CONSOLE_WIDTH * 2 ];
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ConsoleConvertFromText( sText, pText );
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ConsoleDisplayPush( sText );
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}
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// Shifts the console display lines "up"
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//===========================================================================
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void ConsoleDisplayPush ( const conchar_t * pText )
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{
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int nLen = MIN( g_nConsoleDisplayTotal, CONSOLE_HEIGHT - 1 - CONSOLE_FIRST_LINE);
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while (nLen--)
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{
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memcpy(
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(char*) g_aConsoleDisplay[(nLen + 1 + CONSOLE_FIRST_LINE )]
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, (char*) g_aConsoleDisplay[nLen + CONSOLE_FIRST_LINE]
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, sizeof(conchar_t) * CONSOLE_WIDTH
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);
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}
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if (pText)
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{
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memcpy(
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(char*) g_aConsoleDisplay[ CONSOLE_FIRST_LINE ]
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, pText
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, sizeof(conchar_t) * CONSOLE_WIDTH
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);
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}
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g_nConsoleDisplayTotal++;
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if (g_nConsoleDisplayTotal > (CONSOLE_HEIGHT - CONSOLE_FIRST_LINE))
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g_nConsoleDisplayTotal = (CONSOLE_HEIGHT - CONSOLE_FIRST_LINE);
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}
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//===========================================================================
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void ConsoleDisplayPause ()
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{
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if (g_nConsoleBuffer)
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{
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#if CONSOLE_INPUT_CHAR16
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ConsoleConvertFromText(
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g_aConsoleInput,
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"...press SPACE continue, ESC skip..."
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);
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g_nConsolePromptLen = ConsoleLineLength( g_pConsoleInput ) + 1;
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#else
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strcpy(
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g_aConsoleInput,
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"...press SPACE continue, ESC skip..."
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);
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g_nConsolePromptLen = strlen( g_pConsoleInput ) + 1;
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#endif
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g_nConsoleInputChars = 0;
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g_bConsoleBufferPaused = true;
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}
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else
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{
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ConsoleInputReset();
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}
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}
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//===========================================================================
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bool ConsoleInputBackSpace ()
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{
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if (g_nConsoleInputChars)
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{
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g_pConsoleInput[ g_nConsoleInputChars ] = CHAR_SPACE;
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g_nConsoleInputChars--;
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if ((g_pConsoleInput[ g_nConsoleInputChars ] == CHAR_QUOTE_DOUBLE) ||
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(g_pConsoleInput[ g_nConsoleInputChars ] == CHAR_QUOTE_SINGLE))
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g_bConsoleInputQuoted = ! g_bConsoleInputQuoted;
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g_pConsoleInput[ g_nConsoleInputChars ] = CHAR_SPACE;
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return true;
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}
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return false;
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}
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// Clears prompt too
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//===========================================================================
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bool ConsoleInputClear ()
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{
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ZeroMemory( g_aConsoleInput, CONSOLE_WIDTH );
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if (g_nConsoleInputChars)
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{
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g_nConsoleInputChars = 0;
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return true;
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}
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return false;
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}
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//===========================================================================
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bool ConsoleInputChar ( const char ch )
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{
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if (g_nConsoleInputChars < g_nConsoleDisplayWidth) // bug? include prompt?
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{
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g_pConsoleInput[ g_nConsoleInputChars ] = ch;
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g_nConsoleInputChars++;
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return true;
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}
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return false;
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}
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//===========================================================================
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void ConsoleUpdateCursor ( char ch )
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{
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if (ch)
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g_sConsoleCursor[0] = ch;
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else
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{
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ch = (char) g_aConsoleInput[ g_nConsoleInputChars + g_nConsolePromptLen ];
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if (! ch)
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{
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ch = CHAR_SPACE;
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}
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g_sConsoleCursor[0] = ch;
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}
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}
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//===========================================================================
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const char * ConsoleInputPeek ()
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{
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// return g_aConsoleDisplay[0];
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// return g_pConsoleInput;
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return g_aConsoleInput;
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}
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//===========================================================================
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void ConsoleInputReset ()
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{
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// Not using g_aConsoleInput since we get drawing of the input Line for "Free"
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// Even if we add console scrolling, we don't need any special logic to draw the input line.
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g_bConsoleInputQuoted = false;
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ConsoleInputClear();
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// _tcscpy( g_aConsoleInput, g_sConsolePrompt ); // Assembler can change prompt
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g_aConsoleInput[0] = g_sConsolePrompt[0];
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g_nConsolePromptLen = 1;
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// int nLen = strlen( g_aConsoleInput );
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#if CONSOLE_INPUT_CHAR16
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int nLen = ConsoleLineLength( g_aConsoleInput );
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#else
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int nLen = strlen( g_aConsoleInput );
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#endif
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g_pConsoleInput = &g_aConsoleInput[ g_nConsolePromptLen ];
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g_nConsoleInputChars = 0;
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}
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//===========================================================================
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int ConsoleInputTabCompletion ()
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{
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return UPDATE_CONSOLE_INPUT;
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}
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//===========================================================================
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Update_t ConsoleScrollHome ()
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{
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g_iConsoleDisplayStart = g_nConsoleDisplayTotal - CONSOLE_FIRST_LINE;
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if (g_iConsoleDisplayStart < 0)
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g_iConsoleDisplayStart = 0;
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return UPDATE_CONSOLE_DISPLAY;
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}
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//===========================================================================
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Update_t ConsoleScrollEnd ()
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{
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g_iConsoleDisplayStart = 0;
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return UPDATE_CONSOLE_DISPLAY;
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}
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//===========================================================================
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Update_t ConsoleScrollUp ( int nLines )
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{
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g_iConsoleDisplayStart += nLines;
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if (g_iConsoleDisplayStart > (g_nConsoleDisplayTotal - CONSOLE_FIRST_LINE))
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g_iConsoleDisplayStart = (g_nConsoleDisplayTotal - CONSOLE_FIRST_LINE);
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if (g_iConsoleDisplayStart < 0)
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g_iConsoleDisplayStart = 0;
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return UPDATE_CONSOLE_DISPLAY;
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}
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//===========================================================================
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Update_t ConsoleScrollDn ( int nLines )
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{
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g_iConsoleDisplayStart -= nLines;
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if (g_iConsoleDisplayStart < 0)
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g_iConsoleDisplayStart = 0;
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return UPDATE_CONSOLE_DISPLAY;
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}
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//===========================================================================
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Update_t ConsoleScrollPageUp ()
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{
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ConsoleScrollUp( g_nConsoleDisplayLines - CONSOLE_FIRST_LINE );
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return UPDATE_CONSOLE_DISPLAY;
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}
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//===========================================================================
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Update_t ConsoleScrollPageDn ()
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{
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ConsoleScrollDn( g_nConsoleDisplayLines - CONSOLE_FIRST_LINE );
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return UPDATE_CONSOLE_DISPLAY;
|
|
}
|
|
|
|
//===========================================================================
|
|
Update_t ConsoleBufferTryUnpause (int nLines)
|
|
{
|
|
for( int y = 0; y < nLines; y++ )
|
|
{
|
|
ConsoleBufferToDisplay();
|
|
}
|
|
|
|
g_bConsoleBufferPaused = false;
|
|
if (g_nConsoleBuffer)
|
|
{
|
|
g_bConsoleBufferPaused = true;
|
|
ConsoleDisplayPause();
|
|
return UPDATE_CONSOLE_INPUT | UPDATE_CONSOLE_DISPLAY;
|
|
}
|
|
|
|
return UPDATE_CONSOLE_DISPLAY;
|
|
}
|
|
|
|
// Flush the console
|
|
//===========================================================================
|
|
Update_t ConsoleUpdate ()
|
|
{
|
|
if (! g_bConsoleBufferPaused)
|
|
{
|
|
int nLines = MIN( g_nConsoleBuffer, g_nConsoleDisplayLines - 1);
|
|
return ConsoleBufferTryUnpause( nLines );
|
|
}
|
|
|
|
return UPDATE_CONSOLE_DISPLAY;
|
|
}
|
|
|
|
//===========================================================================
|
|
void ConsoleFlush ()
|
|
{
|
|
int nLines = g_nConsoleBuffer;
|
|
ConsoleBufferTryUnpause( nLines );
|
|
}
|