instrview.cpp

计算机体系结构中关于通用5级流水线的模拟实现程序

// InstrView.cpp : implementation file
//

#include "stdafx.h"
#include "Pipeline.h"
#include "InstrView.h"
#include "PipelineDoc.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// InstrView

IMPLEMENT_DYNCREATE(InstrView, CScrollView)

InstrView::InstrView(): m_rectPrint(0, 0, 4800, -15120)
{

}

InstrView::~InstrView()
{
}


BEGIN_MESSAGE_MAP(InstrView, CScrollView)
	//{{AFX_MSG_MAP(InstrView)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// InstrView drawing

void InstrView::OnInitialUpdate()
{
	CScrollView::OnInitialUpdate();
	// TODO: calculate the total size of this view
    CSize sizeTotal(m_rectPrint.Width(), -m_rectPrint.Height());
    CSize sizePage(sizeTotal.cx / 2,
                   sizeTotal.cy / 2);   // page scroll
    CSize sizeLine(sizeTotal.cx / 100,
                   sizeTotal.cy / 100); // line scroll
    SetScrollSizes(MM_TWIPS, sizeTotal, sizePage, sizeLine);
}

void InstrView::OnDraw(CDC* pDC)
{//显示当前指令内存的内容
	CPipelineDoc* pDoc = GetDocument();
	// TODO: add draw code here
    int        i,nHeight;
	unsigned long	   temp=268435456;
    CString    outputLine,str;
    CFont      font;
    TEXTMETRIC tm;
    font.CreateFont(-240, 120, 0, 0, 400, FALSE, FALSE, 0,
        ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
        DEFAULT_QUALITY, DEFAULT_PITCH | FF_SWISS, "Arial");
    CFont* pOldFont = (CFont*) pDC->SelectObject(&font);
    pDC->GetTextMetrics(&tm);
    nHeight = tm.tmHeight + tm.tmExternalLeading;
	pDC->TextOut(160, -80, " IM            Instruction");
	for(i=1;i<1000;i++)
	{
		//输出指令地址
		if(i<5)
			outputLine.Format("000%x    ",4*(i-1));
		else if(i>=4&&i<65)
			outputLine.Format("00%x    ",4*(i-1));
		else if(i>=65&&i<1025)
			outputLine.Format("0%x    ",4*(i-1));
		else
			outputLine.Format("%x    ",4*(i-1));
/*		//输出指令二进制值
		if(pDoc->IM[i-1]<temp&&pDoc->IM[i-1]!=0)
			str.Format("0%x      ",pDoc->IM[i-1]);
		else
			str.Format("%x      ",pDoc->IM[i-1]);*/
		outputLine+=str;
	    pDC->TextOut(160, -i * nHeight-80, outputLine);
		//输出二进制值表示的指令“文字形式”
		outputLine=pDoc->attr[i-1];
		pDC->TextOut(1300,-i * nHeight-80, outputLine);
	}
    pDC->SelectObject(pOldFont);
}

/////////////////////////////////////////////////////////////////////////////
// InstrView diagnostics

#ifdef _DEBUG
void InstrView::AssertValid() const
{
	CScrollView::AssertValid();
}

void InstrView::Dump(CDumpContext& dc) const
{
	CScrollView::Dump(dc);
}

CPipelineDoc* InstrView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CPipelineDoc)));
	return (CPipelineDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// InstrView message handlers

BOOL InstrView::PreCreateWindow(CREATESTRUCT& cs) 
{
	// TODO: Add your specialized code here and/or call the base class
//	cs.style&=WS_VSCROLL;
	return CScrollView::PreCreateWindow(cs);
}