registerview.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

// RegisterView.cpp : implementation file
//

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

/////////////////////////////////////////////////////////////////////////////
// RegisterView

IMPLEMENT_DYNCREATE(RegisterView, CScrollView)

RegisterView::RegisterView(): m_rectPrint(0, 0, 4800, -10000)
{
}

RegisterView::~RegisterView()
{
}


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

/////////////////////////////////////////////////////////////////////////////
// RegisterView drawing

void RegisterView::OnInitialUpdate()
{
	CScrollView::OnInitialUpdate();

//	CSize sizeTotal;
	// TODO: calculate the total size of this view
//	sizeTotal.cx = sizeTotal.cy = 100;
//	SetScrollSizes(MM_TEXT, sizeTotal);
    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 RegisterView::OnDraw(CDC* pDC)
{//显示寄存器内容，包括寄存器编号、名称
	CPipelineDoc* pDoc = GetDocument();
	// TODO: add draw code here
    int        i,nHeight;
    CString    outputLine,str;
    CFont      font;
    TEXTMETRIC tm;
	char *reg_smb[32]={ "$zero","$at","$v0","$v1","$a0","$a1","$a2","$a3",
				"$t0","$t1","$t2","$t3","$t4","$t5","$t6","$t7",
				"$s0","$s1","$s2","$s3","$s4","$s5","$s6","$s7",
				"$t8","$t9","hi","lo","$gp","$fp","$sp","$ra"};

    font.CreateFont(-240, 120, 0, 0, 400, FALSE, FALSE, 0,
        ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
        DEFAULT_QUALITY, DEFAULT_PITCH | FF_SWISS, "Fixedsys");
    CFont* pOldFont = (CFont*) pDC->SelectObject(&font);
    pDC->GetTextMetrics(&tm);
    nHeight = tm.tmHeight + tm.tmExternalLeading;
	pDC->TextOut(160, -80, "Register     Value");
	for(i=1;i<33;i++)
	{//按编号显示寄存器
		if(i<11)
			outputLine.Format("REG[%d]  ",(i-1));
		else
			outputLine.Format("REG[%d]",(i-1));
		str.Format("    %s",reg_smb[i-1]);
//		outputLine+=str;
		pDC->TextOut(160, -i * nHeight-80, outputLine);
	}
	for(i=1;i<33;i++)
	{//按名称显示寄存器
		str.Format("    %d",pDoc->REG[i-1]);
		outputLine=str;
		pDC->TextOut(1500, -i * nHeight-80, outputLine);
	}
    pDC->SelectObject(pOldFont);
}

/////////////////////////////////////////////////////////////////////////////
// RegisterView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// RegisterView message handlers