mirror of
https://github.com/AppleWin/AppleWin.git
synced 2024-08-20 02:29:31 +00:00
125 lines
3.2 KiB
C++
125 lines
3.2 KiB
C++
/*
|
|
AppleWin : An Apple //e emulator for Windows
|
|
|
|
Copyright (C) 1994-1996, Michael O'Brien
|
|
Copyright (C) 1999-2001, Oliver Schmidt
|
|
Copyright (C) 2002-2005, Tom Charlesworth
|
|
Copyright (C) 2006-2010, Tom Charlesworth, Michael Pohoreski
|
|
|
|
AppleWin 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.
|
|
|
|
AppleWin is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with AppleWin; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
/* Description: Debugger Utility Range
|
|
*
|
|
* Author: Copyright (C) 2006-2010 Michael Pohoreski
|
|
*/
|
|
|
|
#include "StdAfx.h"
|
|
|
|
#include "Debug.h"
|
|
|
|
// Util - Range _______________________________________________________________
|
|
|
|
|
|
//===========================================================================
|
|
bool Range_CalcEndLen( const RangeType_t eRange
|
|
, const WORD & nAddress1, const WORD & nAddress2
|
|
, WORD & nAddressEnd_, int & nAddressLen_ )
|
|
{
|
|
bool bValid = false;
|
|
|
|
if (eRange == RANGE_HAS_LEN)
|
|
{
|
|
// BSAVE 2000,0 Len=0 End=n/a
|
|
// BSAVE 2000,1 Len=1 End=2000
|
|
// 0,FFFF [,)
|
|
// End = FFFE = Len-1
|
|
// Len = FFFF
|
|
nAddressLen_ = nAddress2;
|
|
unsigned int nTemp = nAddress1 + nAddressLen_ - 1;
|
|
if (nTemp > _6502_MEM_END)
|
|
nTemp = _6502_MEM_END;
|
|
nAddressEnd_ = nTemp;
|
|
bValid = true;
|
|
}
|
|
else
|
|
if (eRange == RANGE_HAS_END)
|
|
{
|
|
// BSAVE 2000:2000 Len=0, End=n/a
|
|
// BSAVE 2000:2001 Len=1, End=2000
|
|
// 0:FFFF [,]
|
|
// End = FFFF
|
|
// Len = 10000 = End+1
|
|
nAddressEnd_ = nAddress2;
|
|
nAddressLen_ = nAddress2 - nAddress1 + 1;
|
|
bValid = true;
|
|
}
|
|
|
|
return bValid;
|
|
}
|
|
|
|
|
|
//===========================================================================
|
|
RangeType_t Range_Get( WORD & nAddress1_, WORD & nAddress2_, const int iArg ) // =1
|
|
{
|
|
nAddress1_ = (unsigned) g_aArgs[ iArg ].nValue;
|
|
if (nAddress1_ > _6502_MEM_END)
|
|
nAddress1_ = _6502_MEM_END;
|
|
|
|
nAddress2_ = 0;
|
|
int nTemp = 0;
|
|
|
|
RangeType_t eRange = RANGE_MISSING_ARG_2;
|
|
|
|
if (g_aArgs[ iArg + 1 ].eToken == TOKEN_COMMA)
|
|
{
|
|
// 0,FFFF [,) // Note the mathematical range
|
|
// End = FFFE = Len-1
|
|
// Len = FFFF
|
|
eRange = RANGE_HAS_LEN;
|
|
nTemp = g_aArgs[ iArg + 2 ].nValue;
|
|
nAddress2_ = nTemp;
|
|
}
|
|
else
|
|
if (g_aArgs[ iArg + 1 ].eToken == TOKEN_COLON)
|
|
{
|
|
// 0:FFFF [,] // Note the mathematical range
|
|
// End = FFFF
|
|
// Len = 10000 = End+1
|
|
eRange = RANGE_HAS_END;
|
|
nTemp = g_aArgs[ iArg + 2 ].nValue;
|
|
|
|
// i.e.
|
|
// FFFF:D000
|
|
// 1 2 Temp
|
|
// FFFF D000
|
|
// FFFF
|
|
// D000
|
|
if (nAddress1_ > nTemp)
|
|
{
|
|
nAddress2_ = nAddress1_;
|
|
nAddress1_ = nTemp;
|
|
}
|
|
else
|
|
nAddress2_ = nTemp;
|
|
}
|
|
|
|
// .17 Bug Fix: D000,FFFF -> D000,CFFF (nothing searched!)
|
|
// if (nTemp > _6502_MEM_END)
|
|
// nTemp = _6502_MEM_END;
|
|
|
|
return eRange;
|
|
}
|