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shld.cpp
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shld.cpp
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#include "headers.h"
#include <sstream>
#include "methods.h"
using namespace std;
int shld(elements *e)
{
string inst = e->memory[e->pc];
string a0,a1,a2;
stringstream ss(inst);
getline(ss,a0,' ');
//getline(ss,a1,',');
getline(ss,a2);
if(a2.length()>4 )return 0;
while(a2.length()<4)
a2="0"+a2;
int i=0;
do{
switch(a2[i])
{
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':break;
case 'a':a2[i]='A';break;
case 'b':a2[i]='B';break;
case 'c':a2[i]='C';break;
case 'd':a2[i]='D';break;
case 'e':a2[i]='E';break;
case 'f':a2[i]='F';break;
case 'A':
case 'B':
case 'C':
case 'D':
case 'E':
case 'F':break;
default : return 0;
}
}while(++i<4);
map<string , string>::iterator it = e->memory.find(a2);
it->second =e->registers[6];
it++;
it->second=e->registers[5];
//increment(e->pc);e->memory[pc]=inst;
//increment(e->pc);e->memory[pc]=inst;
//increment(e->pc);
return 1;
}