mcode.cpp

本软件实现了模拟cpu的基本工作原理和工作过程

// MCODE.cpp: implementation of the MCODE class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "AM.h"
#include "MCODE.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
/*
MCODE::MCODE()
{
for(int i=0;i<8;i++)section[i]=0;
}

  MCODE& MCODE::operator=(char* word)
  {
  int i,j,k;
  
	}
	
	  
		void MCODE::cvrt(char ch,char* string)
		{
		int num=(int)ch;
		int temp;
		int low=128;
		int hight=256;
		int i=0;
		while(1){
		temp=(num%hight)/low;
		if(temp<=9)string[i]=temp+'0';
		else string[i]=temp-10+'A';
		if((++i)==2)break;
		hight=low;
		low/=16;
		}
		string[i]=0;
		}
		void MCODE::get(CString& word)
		{
		char temp[3];
		cvrt(section[0],temp);
		word=temp;
		cvrt(section[1],temp);
		word+=temp;
		for(int i=2;i<8;i+=2){
		word+=" ";
		cvrt(section[i],temp);
		word+=temp;
		cvrt(section[i+1],temp);
		word+=temp;
		}
		}
*/


void MCODE::Set(CString number)
{
	char c;
	//--获得下地址------------------------------------------------
	int addr = 0;
	for ( int i = 0; i < 2; i++ ){
		c = number.GetAt(i);
		if ( c <= '9' && c >= '0' ){
			c -= '0';
			addr *= 16;
			addr += c;
		}
		else {
			if ( c >= 'a' && c <= 'f' )
				c -= 0x20;
			c =c - 'A' + 10;
			addr *= 16;
			addr += c;
		}
	}
	c = number.GetAt(3);
	if ( c <= '9' && c >= '0' ){
		c -= '0';
		c/=4;
		addr *= 4;
		addr += c;
	}
	else {
		if ( c >= 'a' && c <= 'f' )
			c -= 0x20;
		c =c - 'A' + 10;
		c/=4;
		addr *= 4;
		addr += c;
	}
	m_naddr=addr;
	//--获得CI3-0--------------------------------------------------
	c = number.GetAt(4);
	if ( c <= 57 && c >= 48 )
		c -= 48;			
	else {
		if ( c >= 97 && c <= 102 )
			c -= 32;
		c -= 55;			
	}
	m_ci = c;
	//--获得SCC----------------------------------------------------
	c = number.GetAt(5);
	if ( c <= 57 && c >= 48 )
		c -= 48;			
	else {
		if ( c >= 97 && c <= 102 )
			c -= 32;
		c -= 55;			
	}
	c /= 2;	
	m_scc = c;
	//--获得SC-----------------------------------------------------
	c = number.GetAt(5);
	if ( c <= 57 && c >= 48 )
		c -= 48;			
	else {
		if ( c >= 97 && c <= 102 )
			c -= 32;
		c -= 55;			
	}
	c &= 1;
	m_sc = c;
	//--获得SST----------------------------------------------------
	c = number.GetAt(6);
	if ( c <= 57 && c >= 48 )
		c -= 48;			
	else {
		if ( c >= 97 && c <= 102 )
			c -= 32;
		c -= 55;			
	}
	c &= 7;
	m_sst = c;
	//--获得MRW----------------------------------------------------
	int mrw = 0;
	for ( i = 8; i <= 10; i++ ){
		c = number.GetAt(i);
		if ( c <= 57 && c >= 48 )
			c -= 48;			
		else {
			if ( c >= 97 && c <= 102 )
				c -= 32;
			c -= 55;			
		}
		c /= 8;
		mrw *= 2;
		mrw += c;
	}		
	m_mrw = mrw;
	//--获得I86----------------------------------------------------
	c = number.GetAt(8);
	if ( c <= 57 && c >= 48 )
		c -= 48;			
	else {
		if ( c >= 97 && c <= 102 )
			c -= 32;
		c -= 55;			
	}
	c &= 7;
	m_i86 = c;
	//--获得I53-----------------------------------------------------
	c = number.GetAt(9);
	if ( c <= 57 && c >= 48 )
		c -= 48;			
	else {
		if ( c >= 97 && c <= 102 )
			c -= 32;
		c -= 55;			
	}
	c &= 7;
	m_i53 = c;
	//--获得I20-----------------------------------------------------
	c = number.GetAt(10);
	if ( c <= 57 && c >= 48 )
		c -= 48;			
	else {
		if ( c >= 97 && c <= 102 )
			c -= 32;
		c -= 55;			
	}
	c &= 7;
	m_i20 = c;
	//--获得A口地址-----------------------------------------------------
	c = number.GetAt(11);
	if ( c >= 48 && c <= 57 )
		m_a = c - 48;
	else {
		if ( c >= 97 && c <= 102 )
			c -= 32;
		c -= 55;
		m_a = c;
	}
	//--获得B口地址-----------------------------------------------------
	c = number.GetAt(13);
	if ( c >= 48 && c <= 57 )
		m_b = c - 48;
	else {
		if ( c >= 97 && c <= 102 )
			c -= 32;
		c -= 55;
		m_b = c;
	}
	//--获得SCI-----------------------------------------------------
	c = number.GetAt(14);
	if ( c <= 57 && c >= 48 )
		c -= 48;			
	else {
		if ( c >= 97 && c <= 102 )
			c -= 32;
		c -= 55;			
	}
	c /= 4;
	m_sci = c;
	//--获得SSH-----------------------------------------------------
	c = number.GetAt(14);
	if ( c <= 57 && c >= 48 )
		c -= 48;			
	else {
		if ( c >= 97 && c <= 102 )
			c -= 32;
		c -= 55;			
	}
	c &= 3;
	m_ssh = c;
	//--获得SA-----------------------------------------------------
	c = number.GetAt(15);
	if ( c <= 57 && c >= 48 )
		c -= 48;			
	else {
		if ( c >= 97 && c <= 102 )
			c -= 32;
		c -= 55;			
	}
	c /= 8;
	m_sa = c;
	//--获得DC1-----------------------------------------------------
	c = number.GetAt(15);
	if ( c <= 57 && c >= 48 )
		c -= 48;			
	else {
		if ( c >= 97 && c <= 102 )
			c -= 32;
		c -= 55;			
	}
	c &= 7;
	m_dc1  = c;
	//--获得SB-----------------------------------------------------
	c = number.GetAt(16);
	if ( c <= 57 && c >= 48 )
		c -= 48;			
	else {
		if ( c >= 97 && c <= 102 )
			c -= 32;
		c -= 55;			
	}
	c /= 8;
	m_sb = c;
	//--获得DC2-----------------------------------------------------
	c = number.GetAt(16);
	if ( c <= 57 && c >= 48 )
		c -= 48;			
	else {
		if ( c >= 97 && c <= 102 )
			c -= 32;
		c -= 55;			
	}
	c &= 7;
	m_dc2 = c;
}