?? registers.java.svn-base
字號(hào):
/**
* Registers.java
*
*
* @author 詹道楠
* @date 2008-5-7
*/
package execute;
public class Registers implements Parameters {
private DataCell pc = new DataCell();
private PSWCell psw = new PSWCell();
private InstrumentCell ir = new InstrumentCell();
private DataCell ac = new DataCell();
private DataCell r[] = {new DataCell(), new DataCell(),
new DataCell(), new DataCell(), new DataCell(),
new DataCell(), new DataCell(), new DataCell()};
public Registers() {
}
/**
* Return the psw.
*/
public PSWCell getPsw() {
return psw;
}
/**
* Reset the psw.
*/
public void setPsw(PSWCell psw) {
this.psw = psw;
}
/**
* Return the pc.
*/
public DataCell getPc() {
return pc;
}
/**
* Reset the pc.
*/
public void setPc(DataCell pc) {
this.pc = pc;
}
/**
* Return the ir.
*/
public InstrumentCell getIr() {
return ir;
}
/**
* Reset the ir.
*/
public void setIr(InstrumentCell ir) {
this.ir = ir;
}
/**
* Return the ac.
*/
public DataCell getAc() {
return ac;
}
/**
* Reset the ac.
*/
public void setAc(DataCell ac) {
this.ac = ac;
}
/**
* Return the r.
*/
public DataCell[] getR() {
return r;
}
/**
* Reset the r.
*/
public void setR(DataCell[] r) {
this.r = r;
}
/**
* Return the r.
*/
public DataCell getRn(int x) {
return r[x];
}
/**
* Reset the r.
*/
public void setRn(int x, DataCell r) {
this.r[x] = r;
}
/**
* Return the DataRegister.
*/
public DataCell getDataRegister(String name) {
name = name.toLowerCase();
if(name.compareTo("ac") == 0)
return ac;
else if(name.compareTo("pc") == 0)
return pc;
else if(name.compareTo("r0") == 0)
return r[0];
else if(name.compareTo("r1") == 0)
return r[1];
else if(name.compareTo("r2") == 0)
return r[2];
else if(name.compareTo("r3") == 0)
return r[3];
else if(name.compareTo("r4") == 0)
return r[4];
else if(name.compareTo("r5") == 0)
return r[5];
else if(name.compareTo("r6") == 0)
return r[6];
else if(name.compareTo("r7") == 0)
return r[7];
///System.out.println("there is not a DataRegister named " + name + " exist.");
return null;
}
/**
* Reset the DataRegister.
*/
public void setDataRegister(String name, DataCell register) {
name = name.toLowerCase();
if(name.compareTo("ac") == 0)
ac = register;
else if(name.compareTo("pc") == 0)
pc = register;
else if(name.compareTo("r0") == 0)
r[0] = register;
else if(name.compareTo("r1") == 0)
r[1] = register;
else if(name.compareTo("r2") == 0)
r[2] = register;
else if(name.compareTo("r3") == 0)
r[3] = register;
else if(name.compareTo("r4") == 0)
r[4] = register;
else if(name.compareTo("r5") == 0)
r[5] = register;
else if(name.compareTo("r6") == 0)
r[6] = register;
else if(name.compareTo("r7") == 0)
r[7] = register;
//System.out.println("there is not a DataRegister named " + name + " exist.");
}
/**
* Return the SIZE.
*/
public static int getSIZE() {
return REGISTERS_SIZE;
}
public String toString() {
StringBuffer sb = new StringBuffer();
sb.append("pc " + pc.toString() + '\n');
sb.append("ir " + ir.toString() + '\n');
sb.append("ac " + ac.toString() + '\n');
sb.append("psw " + psw.toString() + '\n');
for(int i = 0; i < 8; ++i)
sb.append("r" + i + ' ' + r[i].toString() + '\n');
return sb.toString();
}
}
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