rlm@1: // MemoryViewer.cpp : implementation file
rlm@1: //
rlm@1: 
rlm@1: #include "stdafx.h"
rlm@1: #include "resource.h"
rlm@1: #include "MemoryViewer.h"
rlm@1: 
rlm@1: extern int emulating;
rlm@1: 
rlm@1: /////////////////////////////////////////////////////////////////////////////
rlm@1: // MemoryViewer
rlm@1: 
rlm@1: bool MemoryViewer::isRegistered = false;
rlm@1: 
rlm@1: MemoryViewer::MemoryViewer()
rlm@1: {
rlm@1: 	address        = 0;
rlm@1: 	addressSize    = 0;
rlm@1: 	dataSize       = 0;
rlm@1: 	editAddress    = 0;
rlm@1: 	editNibble     = 0;
rlm@1: 	displayedLines = 0;
rlm@1: 	hasCaret       = false;
rlm@1: 	maxNibble      = 0;
rlm@1: 	font        = (HFONT)GetStockObject(SYSTEM_FIXED_FONT);
rlm@1: 	fontSize.cx = fontSize.cy = 0;
rlm@1: 	beginAscii  = 0;
rlm@1: 	beginHex    = 0;
rlm@1: 	dlg         = NULL;
rlm@1: 	registerClass();
rlm@1: }
rlm@1: 
rlm@1: MemoryViewer::~MemoryViewer()
rlm@1: {}
rlm@1: 
rlm@1: BEGIN_MESSAGE_MAP(MemoryViewer, CWnd)
rlm@1: //{{AFX_MSG_MAP(MemoryViewer)
rlm@1: ON_WM_ERASEBKGND()
rlm@1: ON_WM_PAINT()
rlm@1: ON_WM_VSCROLL()
rlm@1: ON_WM_GETDLGCODE()
rlm@1: ON_WM_LBUTTONDOWN()
rlm@1: ON_WM_SETFOCUS()
rlm@1: ON_WM_KILLFOCUS()
rlm@1: ON_WM_KEYDOWN()
rlm@1: //}}AFX_MSG_MAP
rlm@1: ON_MESSAGE(WM_CHAR, OnWMChar)
rlm@1: END_MESSAGE_MAP()
rlm@1: 
rlm@1: /////////////////////////////////////////////////////////////////////////////
rlm@1: // MemoryViewer message handlers
rlm@1: 
rlm@1: void MemoryViewer::setDialog(IMemoryViewerDlg *d)
rlm@1: {
rlm@1: 	dlg = d;
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::setAddress(u32 a)
rlm@1: {
rlm@1: 	address = a;
rlm@1: 	if (displayedLines)
rlm@1: 	{
rlm@1: 		if (addressSize)
rlm@1: 		{
rlm@1: 			u16 addr = address;
rlm@1: 			if ((u16)((addr+(displayedLines<<4)) & 0xFFFF) < addr)
rlm@1: 			{
rlm@1: 				address = 0xffff - (displayedLines<<4) + 1;
rlm@1: 			}
rlm@1: 		}
rlm@1: 		else
rlm@1: 		{
rlm@1: 			if ((address+(displayedLines<<4)) < address)
rlm@1: 			{
rlm@1: 				address = 0xffffffff - (displayedLines<<4) + 1;
rlm@1: 			}
rlm@1: 		}
rlm@1: 	}
rlm@1: 	if (addressSize)
rlm@1: 		address &= 0xffff;
rlm@1: 	setCaretPos();
rlm@1: 	InvalidateRect(NULL, TRUE);
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::setSize(int s)
rlm@1: {
rlm@1: 	dataSize = s;
rlm@1: 	if (s == 0)
rlm@1: 		maxNibble = 1;
rlm@1: 	else if (s == 1)
rlm@1: 		maxNibble = 3;
rlm@1: 	else
rlm@1: 		maxNibble = 7;
rlm@1: 
rlm@1: 	InvalidateRect(NULL, TRUE);
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::setDecimal(bool decimalDisplayMode)
rlm@1: {
rlm@1: 	decimalDisplay = decimalDisplayMode;
rlm@1: 	InvalidateRect(NULL, TRUE);
rlm@1: }
rlm@1: 
rlm@1: BOOL MemoryViewer::OnEraseBkgnd(CDC*pDC)
rlm@1: {
rlm@1: 	return TRUE;
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::updateScrollInfo(int lines)
rlm@1: {
rlm@1: 	int        page = lines * 16;
rlm@1: 	SCROLLINFO si;
rlm@1: 	ZeroMemory(&si, sizeof(si));
rlm@1: 	si.cbSize = sizeof(si);
rlm@1: 	si.fMask  = SIF_PAGE | SIF_RANGE | SIF_DISABLENOSCROLL | SIF_POS;
rlm@1: 	si.nMin   = 0;
rlm@1: 	if (addressSize)
rlm@1: 	{
rlm@1: 		si.nMax  = 0x10000/page;
rlm@1: 		si.nPage = 1;
rlm@1: 	}
rlm@1: 	else
rlm@1: 	{
rlm@1: 		si.nMax  = 0xa000000 / page;
rlm@1: 		si.nPage = page;
rlm@1: 	}
rlm@1: 
rlm@1: 	si.nPos = address / page;
rlm@1: 	SetScrollInfo(SB_VERT,
rlm@1: 	              &si,
rlm@1: 	              TRUE);
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::OnPaint()
rlm@1: {
rlm@1: 	CPaintDC dc(this); // device context for painting
rlm@1: 
rlm@1: 	RECT rect;
rlm@1: 	GetClientRect(&rect);
rlm@1: 	int w = rect.right - rect.left;
rlm@1: 	int h = rect.bottom - rect.top - 6;
rlm@1: 
rlm@1: 	CDC memDC;
rlm@1: 	memDC.CreateCompatibleDC(&dc);
rlm@1: 	CBitmap bitmap, *pOldBitmap;
rlm@1: 	bitmap.CreateCompatibleBitmap(&dc, w, rect.bottom - rect.top);
rlm@1: 	pOldBitmap = memDC.SelectObject(&bitmap);
rlm@1: 
rlm@1: 	memDC.FillRect(&rect, CBrush::FromHandle((HBRUSH)GetStockObject(WHITE_BRUSH)));
rlm@1: 	memDC.DrawEdge(&rect, EDGE_ETCHED, BF_RECT);
rlm@1: 
rlm@1: 	CFont *oldFont = memDC.SelectObject(CFont::FromHandle(font));
rlm@1: 
rlm@1: 	fontSize = memDC.GetTextExtent("0", 1);
rlm@1: 
rlm@1: 	int lines = h / fontSize.cy;
rlm@1: 
rlm@1: 	displayedLines = lines;
rlm@1: 
rlm@1: 	updateScrollInfo(lines);
rlm@1: 
rlm@1: 	u32 addr = address;
rlm@1: 
rlm@1: 	memDC.SetTextColor(RGB(0, 0, 0));
rlm@1: 
rlm@1: 	u8 data[32];
rlm@1: 
rlm@1: 	RECT r;
rlm@1: 	r.top    = 3;
rlm@1: 	r.left   = 3;
rlm@1: 	r.bottom = r.top+fontSize.cy;
rlm@1: 	r.right  = rect.right-3;
rlm@1: 
rlm@1: 	int line = 0;
rlm@1: 
rlm@1: 	for (int i = 0; i < lines; i++)
rlm@1: 	{
rlm@1: 		CString buffer;
rlm@1: 		if (addressSize)
rlm@1: 			buffer.Format("%04X", addr);
rlm@1: 		else
rlm@1: 			buffer.Format("%08X", addr);
rlm@1: 		memDC.DrawText(buffer, &r, DT_TOP | DT_LEFT | DT_NOPREFIX);
rlm@1: 		r.left  += 10*fontSize.cx;
rlm@1: 		beginHex = r.left;
rlm@1: 		readData(addr, 16, data);
rlm@1: 
rlm@1: 		int j;
rlm@1: 
rlm@1: 		if (dataSize == 0)
rlm@1: 		{
rlm@1: 			for (j = 0; j < 16; j++)
rlm@1: 			{
rlm@1: 				const int nextRLeft = r.left + 3*fontSize.cx;
rlm@1: 				if (!decimalDisplay)
rlm@1: 					buffer.Format("%02X", data[j]);
rlm@1: 				else
rlm@1: 				{
rlm@1: 					const signed char num = data[j];
rlm@1: 					if (num < -9 || num > 99)
rlm@1: 						r.left -= fontSize.cx;
rlm@1: 					if (num >= -99 && num <= 99)
rlm@1: 						buffer.Format("%2d", num);
rlm@1: 					else
rlm@1: 						buffer.Format("");
rlm@1: 				}
rlm@1: 				memDC.DrawText(buffer, &r, DT_TOP | DT_LEFT | DT_NOPREFIX);
rlm@1: 				r.left = nextRLeft;
rlm@1: 			}
rlm@1: 		}
rlm@1: 		if (dataSize == 1)
rlm@1: 		{
rlm@1: 			for (j = 0; j < 16; j += 2)
rlm@1: 			{
rlm@1: 				const int nextRLeft = r.left + 5*fontSize.cx;
rlm@1: 				if (!decimalDisplay)
rlm@1: 					buffer.Format("%04X", data[j] | data[j+1]<<8);
rlm@1: 				else
rlm@1: 				{
rlm@1: 					const signed short num = data[j] | data[j+1]<<8;
rlm@1: 					if (num < -999 || num > 9999)
rlm@1: 						r.left -= fontSize.cx;
rlm@1: 					if (num >= -9999 && num <= 9999)
rlm@1: 						buffer.Format("%4d", num);
rlm@1: 					else
rlm@1: 						buffer.Format("");
rlm@1: 				}
rlm@1: 				memDC.DrawText(buffer, &r, DT_TOP | DT_LEFT | DT_NOPREFIX);
rlm@1: 				r.left = nextRLeft;
rlm@1: 			}
rlm@1: 		}
rlm@1: 		if (dataSize == 2)
rlm@1: 		{
rlm@1: 			for (j = 0; j < 16; j += 4)
rlm@1: 			{
rlm@1: 				if (!decimalDisplay)
rlm@1: 					buffer.Format("%08X", data[j] | data[j+1]<<8 | data[j+2] << 16 | data[j+3] << 24);
rlm@1: 				else
rlm@1: 				{
rlm@1: 					const signed long num = data[j] | data[j+1]<<8 | data[j+2] << 16 | data[j+3] << 24;
rlm@1: 					if (num >= -9999999 && num <= 99999999)
rlm@1: 						buffer.Format("%8d", num);
rlm@1: 					else
rlm@1: 						buffer.Format("");
rlm@1: 				}
rlm@1: 				memDC.DrawText(buffer, &r, DT_TOP | DT_LEFT | DT_NOPREFIX);
rlm@1: 				r.left += 9*fontSize.cx;
rlm@1: 			}
rlm@1: 		}
rlm@1: 
rlm@1: 		line = r.left;
rlm@1: 
rlm@1: 		r.left    += fontSize.cx;
rlm@1: 		beginAscii = r.left;
rlm@1: 		buffer.Empty();
rlm@1: 		for (j = 0; j < 16; j++)
rlm@1: 		{
rlm@1: 			char c = data[j];
rlm@1: 			if (c >= 32 && c <= 127)
rlm@1: 			{
rlm@1: 				buffer += c;
rlm@1: 			}
rlm@1: 			else
rlm@1: 				buffer += '.';
rlm@1: 		}
rlm@1: 
rlm@1: 		memDC.DrawText(buffer, &r, DT_TOP | DT_LEFT | DT_NOPREFIX);
rlm@1: 		addr += 16;
rlm@1: 		if (addressSize)
rlm@1: 			addr &= 0xffff;
rlm@1: 		r.top    += fontSize.cy;
rlm@1: 		r.bottom += fontSize.cy;
rlm@1: 		r.left    = 3;
rlm@1: 	}
rlm@1: 	CPen pen;
rlm@1: 	pen.CreatePen(PS_SOLID, 1, RGB(0, 0, 0));
rlm@1: 	CPen *old = memDC.SelectObject(&pen);
rlm@1: 
rlm@1: 	memDC.MoveTo(3+fontSize.cx*9, 3);
rlm@1: 	memDC.LineTo(3+fontSize.cx*9, 3+displayedLines*fontSize.cy);
rlm@1: 
rlm@1: 	memDC.MoveTo(line, 3);
rlm@1: 	memDC.LineTo(line, 3+displayedLines*fontSize.cy);
rlm@1: 
rlm@1: 	memDC.SelectObject(old);
rlm@1: 	pen.DeleteObject();
rlm@1: 
rlm@1: 	memDC.SelectObject(oldFont);
rlm@1: 
rlm@1: 	dc.BitBlt(0, 0, w, rect.bottom - rect.top, &memDC, 0, 0, SRCCOPY);
rlm@1: 
rlm@1: 	memDC.SelectObject(pOldBitmap);
rlm@1: 	memDC.DeleteDC();
rlm@1: 	bitmap.DeleteObject();
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar*pScrollBar)
rlm@1: {
rlm@1: 	int address = this->address;
rlm@1: 	switch (nSBCode)
rlm@1: 	{
rlm@1: 	case SB_BOTTOM:
rlm@1: 		address = 0xffffff00;
rlm@1: 		break;
rlm@1: 	case SB_LINEDOWN:
rlm@1: 		address += 0x10;
rlm@1: 		break;
rlm@1: 	case SB_LINEUP:
rlm@1: 		address -= 0x10;
rlm@1: 		break;
rlm@1: 	case SB_PAGEDOWN:
rlm@1: 		address += (displayedLines<<4);
rlm@1: 		break;
rlm@1: 	case SB_PAGEUP:
rlm@1: 		address -= (displayedLines<<4);
rlm@1: 		break;
rlm@1: 	case SB_TOP:
rlm@1: 		address = 0;
rlm@1: 		break;
rlm@1: 	case SB_THUMBTRACK:
rlm@1: 	{
rlm@1: 		int        page = displayedLines * 16;
rlm@1: 		SCROLLINFO si;
rlm@1: 		ZeroMemory(&si, sizeof(si));
rlm@1: 		si.cbSize = sizeof(si);
rlm@1: 		si.fMask  = SIF_TRACKPOS;
rlm@1: 		GetScrollInfo(SB_VERT, &si);
rlm@1: 		address = page * si.nTrackPos;
rlm@1: 		break;
rlm@1: 	}
rlm@1: 	}
rlm@1: 	setAddress(address);
rlm@1: }
rlm@1: 
rlm@1: UINT MemoryViewer::OnGetDlgCode()
rlm@1: {
rlm@1: 	return DLGC_WANTALLKEYS;
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::createEditCaret(int w, int h)
rlm@1: {
rlm@1: 	if (!hasCaret || caretWidth != w || caretHeight != h)
rlm@1: 	{
rlm@1: 		hasCaret    = true;
rlm@1: 		caretWidth  = w;
rlm@1: 		caretHeight = h;
rlm@1: 		::CreateCaret(m_hWnd, (HBITMAP)0, w, h);
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::destroyEditCaret()
rlm@1: {
rlm@1: 	hasCaret = false;
rlm@1: 	DestroyCaret();
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::setCaretPos()
rlm@1: {
rlm@1: 	if (GetFocus() != this)
rlm@1: 	{
rlm@1: 		destroyEditCaret();
rlm@1: 		return;
rlm@1: 	}
rlm@1: 
rlm@1: 	if (dlg)
rlm@1: 		dlg->setCurrentAddress(editAddress);
rlm@1: 
rlm@1: 	if (editAddress < address || editAddress > (address -1 + (displayedLines<<4)))
rlm@1: 	{
rlm@1: 		destroyEditCaret();
rlm@1: 		return;
rlm@1: 	}
rlm@1: 
rlm@1: 	int subAddress = (editAddress - address);
rlm@1: 
rlm@1: 	int x = 3+10*fontSize.cx+editNibble*fontSize.cx;
rlm@1: 	int y = 3+fontSize.cy*((editAddress-address)>>4);
rlm@1: 
rlm@1: 	if (editAscii)
rlm@1: 	{
rlm@1: 		x = beginAscii + fontSize.cx*(subAddress&15);
rlm@1: 	}
rlm@1: 	else
rlm@1: 	{
rlm@1: 		switch (dataSize)
rlm@1: 		{
rlm@1: 		case 0:
rlm@1: 			x += 3*fontSize.cx*(subAddress & 15);
rlm@1: 			break;
rlm@1: 		case 1:
rlm@1: 			x += 5*fontSize.cx*((subAddress>>1) & 7);
rlm@1: 			break;
rlm@1: 		case 2:
rlm@1: 			x += 9*fontSize.cx*((subAddress>>2) & 3);
rlm@1: 			break;
rlm@1: 		}
rlm@1: 	}
rlm@1: 
rlm@1: 	RECT r;
rlm@1: 	GetClientRect(&r);
rlm@1: 	r.right -= 3;
rlm@1: 	if (x >= r.right)
rlm@1: 	{
rlm@1: 		destroyEditCaret();
rlm@1: 		return;
rlm@1: 	}
rlm@1: 	int w = fontSize.cx;
rlm@1: 	if ((x+fontSize.cx) >= r.right)
rlm@1: 		w = r.right - x;
rlm@1: 	createEditCaret(w, fontSize.cy);
rlm@1: 	::SetCaretPos(x, y);
rlm@1: 	ShowCaret();
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::OnLButtonDown(UINT nFlags, CPoint point)
rlm@1: {
rlm@1: 	int x           = point.x;
rlm@1: 	int y           = point.y;
rlm@1: 	int line        = (y-3)/fontSize.cy;
rlm@1: 	int beforeAscii = beginHex;
rlm@1: 	int inc         = 1;
rlm@1: 	int sub         = 3*fontSize.cx;
rlm@1: 	switch (dataSize)
rlm@1: 	{
rlm@1: 	case 0:
rlm@1: 		beforeAscii += 47*fontSize.cx;
rlm@1: 		break;
rlm@1: 	case 1:
rlm@1: 		beforeAscii += 39*fontSize.cx;
rlm@1: 		inc          = 2;
rlm@1: 		sub          = 5*fontSize.cx;
rlm@1: 		break;
rlm@1: 	case 2:
rlm@1: 		beforeAscii += 35*fontSize.cx;
rlm@1: 		inc          = 4;
rlm@1: 		sub          = 9*fontSize.cx;
rlm@1: 		break;
rlm@1: 	}
rlm@1: 
rlm@1: 	editAddress = address + (line<<4);
rlm@1: 	if (x >= beginHex && x < beforeAscii)
rlm@1: 	{
rlm@1: 		x -= beginHex;
rlm@1: 		editNibble = 0;
rlm@1: 		while (x > 0)
rlm@1: 		{
rlm@1: 			x -= sub;
rlm@1: 			if (x >= 0)
rlm@1: 				editAddress += inc;
rlm@1: 			else
rlm@1: 			{
rlm@1: 				editNibble = (x + sub)/fontSize.cx;
rlm@1: 			}
rlm@1: 		}
rlm@1: 		editAscii = false;
rlm@1: 	}
rlm@1: 	else if (x >= beginAscii)
rlm@1: 	{
rlm@1: 		int afterAscii = beginAscii+16*fontSize.cx;
rlm@1: 		if (x >= afterAscii)
rlm@1: 			x = afterAscii-1;
rlm@1: 		editAddress += (x-beginAscii)/fontSize.cx;
rlm@1: 		editNibble   = 0;
rlm@1: 		editAscii    = true;
rlm@1: 	}
rlm@1: 	else
rlm@1: 	{
rlm@1: 		return;
rlm@1: 	}
rlm@1: 
rlm@1: 	if (editNibble > maxNibble)
rlm@1: 		editNibble = maxNibble;
rlm@1: 	SetFocus();
rlm@1: 	setCaretPos();
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::OnSetFocus(CWnd*pOldWnd)
rlm@1: {
rlm@1: 	setCaretPos();
rlm@1: 	InvalidateRect(NULL, TRUE);
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::OnKillFocus(CWnd*pNewWnd)
rlm@1: {
rlm@1: 	destroyEditCaret();
rlm@1: 	InvalidateRect(NULL, TRUE);
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
rlm@1: {
rlm@1: 	bool isShift = (GetKeyState(VK_SHIFT) & 0x80000000) == 0x80000000;
rlm@1: 
rlm@1: 	switch (nChar)
rlm@1: 	{
rlm@1: 	case VK_RIGHT:
rlm@1: 		if (editAscii)
rlm@1: 			moveAddress(1, 0);
rlm@1: 		else if (isShift)
rlm@1: 			moveAddress((maxNibble+1)>>1, 0);
rlm@1: 		else
rlm@1: 			moveAddress(0, 1);
rlm@1: 		break;
rlm@1: 	case VK_LEFT:
rlm@1: 		if (editAscii)
rlm@1: 			moveAddress(-1, 0);
rlm@1: 		else if (isShift)
rlm@1: 			moveAddress(-((maxNibble+1)>>1), 0);
rlm@1: 		else
rlm@1: 			moveAddress(0, -1);
rlm@1: 		break;
rlm@1: 	case VK_DOWN:
rlm@1: 		moveAddress(16, 0);
rlm@1: 		break;
rlm@1: 	case VK_UP:
rlm@1: 		moveAddress(-16, 0);
rlm@1: 		break;
rlm@1: 	case VK_TAB:
rlm@1: 		GetNextDlgTabItem(GetParent(), isShift)->SetFocus();
rlm@1: 		break;
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::moveAddress(s32 offset, int nibbleOff)
rlm@1: {
rlm@1: 	if (offset == 0)
rlm@1: 	{
rlm@1: 		if (nibbleOff == -1)
rlm@1: 		{
rlm@1: 			editNibble--;
rlm@1: 			if (editNibble == -1)
rlm@1: 			{
rlm@1: 				editAddress -= (maxNibble + 1) >> 1;
rlm@1: 				editNibble   = maxNibble;
rlm@1: 			}
rlm@1: 			if (address == 0 && (editAddress >= (u32)(displayedLines<<4)))
rlm@1: 			{
rlm@1: 				editAddress = 0;
rlm@1: 				editNibble  = 0;
rlm@1: 				beep();
rlm@1: 			}
rlm@1: 			if (editAddress < address)
rlm@1: 				setAddress(address - 16);
rlm@1: 		}
rlm@1: 		else
rlm@1: 		{
rlm@1: 			editNibble++;
rlm@1: 			if (editNibble > maxNibble)
rlm@1: 			{
rlm@1: 				editNibble   = 0;
rlm@1: 				editAddress += (maxNibble + 1) >> 1;
rlm@1: 			}
rlm@1: 			if (editAddress < address)
rlm@1: 			{
rlm@1: 				editAddress -= (maxNibble + 1) >> 1;
rlm@1: 				editNibble   = maxNibble;
rlm@1: 				beep();
rlm@1: 			}
rlm@1: 			if (editAddress >= (address+(displayedLines<<4)))
rlm@1: 				setAddress(address+16);
rlm@1: 		}
rlm@1: 	}
rlm@1: 	else
rlm@1: 	{
rlm@1: 		editAddress += offset;
rlm@1: 		if (offset < 0 && editAddress > (address-1+(displayedLines<<4)))
rlm@1: 		{
rlm@1: 			editAddress -= offset;
rlm@1: 			beep();
rlm@1: 			return;
rlm@1: 		}
rlm@1: 		if (offset > 0 && (editAddress < address))
rlm@1: 		{
rlm@1: 			editAddress -= offset;
rlm@1: 			beep();
rlm@1: 			return;
rlm@1: 		}
rlm@1: 		if (editAddress < address)
rlm@1: 		{
rlm@1: 			if (offset & 15)
rlm@1: 				setAddress((address+offset-16) & ~15);
rlm@1: 			else
rlm@1: 				setAddress(address+offset);
rlm@1: 		}
rlm@1: 		else if (editAddress > (address - 1 + (displayedLines<<4)))
rlm@1: 		{
rlm@1: 			if (offset & 15)
rlm@1: 				setAddress((address+offset+16) & ~15);
rlm@1: 			else
rlm@1: 				setAddress(address+offset);
rlm@1: 		}
rlm@1: 	}
rlm@1: 
rlm@1: 	setCaretPos();
rlm@1: }
rlm@1: 
rlm@1: LRESULT MemoryViewer::OnWMChar(WPARAM wParam, LPARAM LPARAM)
rlm@1: {
rlm@1: 	if (OnEditInput(wParam))
rlm@1: 		return 0;
rlm@1: 	return 1;
rlm@1: }
rlm@1: 
rlm@1: bool MemoryViewer::OnEditInput(UINT c)
rlm@1: {
rlm@1: 	if (c > 255 || !emulating)
rlm@1: 	{
rlm@1: 		beep();
rlm@1: 		return false;
rlm@1: 	}
rlm@1: 
rlm@1: 	if (!editAscii)
rlm@1: 		c = tolower(c);
rlm@1: 
rlm@1: 	u32 value = 256;
rlm@1: 
rlm@1: 	if (c >= 'a' && c <= 'f')
rlm@1: 		value = 10 + (c - 'a');
rlm@1: 	else if (c >= '0' && c <= '9')
rlm@1: 		value = (c - '0');
rlm@1: 	if (editAscii)
rlm@1: 	{
rlm@1: 		editData(editAddress, 8, 0, c);
rlm@1: 		moveAddress(1, 0);
rlm@1: 		InvalidateRect(NULL, TRUE);
rlm@1: 	}
rlm@1: 	else
rlm@1: 	{
rlm@1: 		if (value != 256)
rlm@1: 		{
rlm@1: 			value <<= 4*(maxNibble-editNibble);
rlm@1: 			u32 mask = ~(15 << 4*(maxNibble - editNibble));
rlm@1: 			switch (dataSize)
rlm@1: 			{
rlm@1: 			case 0:
rlm@1: 				editData(editAddress, 8, mask, value);
rlm@1: 				break;
rlm@1: 			case 1:
rlm@1: 				editData(editAddress, 16, mask, value);
rlm@1: 				break;
rlm@1: 			case 2:
rlm@1: 				editData(editAddress, 32, mask, value);
rlm@1: 				break;
rlm@1: 			}
rlm@1: 			moveAddress(0, 1);
rlm@1: 			InvalidateRect(NULL, TRUE);
rlm@1: 		}
rlm@1: 	}
rlm@1: 	return true;
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::beep()
rlm@1: {
rlm@1: 	MessageBeep((UINT)-1);
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::registerClass()
rlm@1: {
rlm@1: 	if (!isRegistered)
rlm@1: 	{
rlm@1: 		WNDCLASS wc;
rlm@1: 		ZeroMemory(&wc, sizeof(wc));
rlm@1: 		wc.style         = CS_PARENTDC | CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;
rlm@1: 		wc.lpfnWndProc   = (WNDPROC) ::DefWindowProc;
rlm@1: 		wc.hInstance     = AfxGetInstanceHandle();
rlm@1: 		wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
rlm@1: 		wc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
rlm@1: 		wc.lpszMenuName  = NULL;
rlm@1: 		wc.lpszClassName = "VbaMemoryViewer";
rlm@1: 		AfxRegisterClass(&wc);
rlm@1: 		isRegistered = true;
rlm@1: 	}
rlm@1: }
rlm@1: 
rlm@1: void MemoryViewer::setAddressSize(int s)
rlm@1: {
rlm@1: 	addressSize = s;
rlm@1: }
rlm@1: 
rlm@1: u32 MemoryViewer::getCurrentAddress()
rlm@1: {
rlm@1: 	return editAddress;
rlm@1: }
rlm@1: 
rlm@1: int MemoryViewer::getSize()
rlm@1: {
rlm@1: 	return dataSize;
rlm@1: }
rlm@1: