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SICXE.java
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SICXE.java
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import java.io.*;
import java.util.*;
class Data{
String first="",second="",third="",str="",opcode="",format="";
public Data(String first, String second, String third, String str,String opcode,String format) {
this.first = first;
this.second = second;
this.third = third;
this.opcode=opcode;
this.format=format;
this.str = str;
}
}
class Pair{
String symbol = "";
String location = "";
public Pair(String symbol, String location) {
this.symbol = symbol;
this.location = location;
}
}
public class SICXE {
public static void main(String[] args) throws IOException {
String op_TAB[][]={{"ADD","3","18"},{"ADDF","3","58"},{"ADDR","2","90"},{"AND","3","40"},{"CLEAR","2","B4"},{"COMPF","3","88"},{"COMPR","2","A0"},{"COMP","3","28"},{"DIVF","3","64"}
,{"DIVR","2","9C"},{"DIV","3","24"},{"FIX","1","C4"},{"FLOAT","1","C0"},{"HIO","1","F4"},{"J","3","3C"},{"JEQ","3","30"},{"JGT","3","34"},{"JLT","3","38"},{"JSUB","3","48"}
,{"LDA","3","00"},{"LDB","3","68"},{"LDCH","3","50"},{"LDF","3","70"},{"LDL","3","08"},{"LDS","3","6C"},{"LDT","3","74"},{"LDX","3","04"},{"LPS","3","E0"},{"UML","3","20"}
,{"MULF","3","60"},{"MULR","2","98"},{"NORM","1","C8"},{"OR","3","44"},{"RD","3","D8"},{"RMO","2","AC"},{"RSUB","3","4C"},{"SHIFTL","2","A4"},{"SHIFTR","2","A8"},{"SIO","1","F0"}
,{"SSK","3","EC"},{"STA","3","0C"},{"STB","3","78"},{"STCH","3","54"},{"STF","3","80"},{"STI","3","D4"},{"STL","3","14"},{"STSW","3","E8"},{"STS","3","7C"},{"STT","3","84"}
,{"STX","3","10"},{"SUBF","3","5C"},{"SUBR","2","94"},{"SUB","3","1C"},{"SVC","2","B0"},{"TD","3","E0"},{"TIO","1","F8"},{"TIXR","2","B8"},{"TIX","3","2C"},{"WD","3","DC"}};
ArrayList<Data> Data = new ArrayList<>();
ArrayList<String> Length = new ArrayList<>();
ArrayList<String> Location = new ArrayList<>();
ArrayList<Pair> SYM_TAB = new ArrayList<>();
ArrayList<String> Target = new ArrayList<>();
FileReader fr = new FileReader("SICXE.txt");
BufferedReader br = new BufferedReader(fr);
Scanner scn =new Scanner(br);
int n = 0, DecLoc = 0, j = 0, i = 0,k=0,len=0;
String HexLoc="0",str1=" ",str2=" ",str3=" ",op=" ",format=" ",base=" ";
boolean isOpCode = false,isLine=false;
while(scn.hasNext()){
String tempString = scn.next();
if(tempString.equals("START")||tempString.equals("END")||tempString.equals("WORD")||tempString.equals("BYTE")||tempString.equals("RESB")||tempString.equals("RESW")||tempString.equals("BASE")){
str2=tempString;
isOpCode=true;
}
else{
String s=tempString;
if(tempString.contains("+")){
s=tempString.substring(1, tempString.length());
len=1;
}
for(i=0;i<op_TAB.length;i++){
if(s.equals(op_TAB[i][0])){
str2=tempString;//放入second
op=op_TAB[i][2];
len=len+Integer.parseInt(op_TAB[i][1]);//放入長度
format=Integer.toString(len);
isOpCode=true;
break;
}
}
}
if(tempString.equals(".")){
str1=".";
isLine=true;
}
if(str2.equals("RSUB"))
isLine=true;
if(!isOpCode){
str1=tempString;
}
else if(!str2.equals("RSUB")){
str3=scn.next();
isLine=true;
}
if(isLine){
Data.add(new Data(str1,str2,str3,str1+str2+str3,op,format));
Length.add(Integer.toString(len));
str1=" ";str2=" ";str3=" ";len=0;op=" ";format=" ";
isLine=false;
isOpCode=false;
}
}
fr.close();
for(i=0;i<Data.size();i++){
// 計算位置//
if (Data.get(i).str.contains(".")||Data.get(i).str.contains("BASE")) {
if(Data.get(i).str.contains("BASE"))
base=Data.get(i).third;//先儲存base暫存器的運算元之後利用SYM_TAB找出位置(Base Relative)
Location.add("");
HexLoc = (Integer.toHexString(DecLoc += Integer.parseInt(Length.get(i-1),16))).toUpperCase();
} else {
if (i >1) {
HexLoc = (Integer.toHexString(DecLoc += Integer.parseInt(Length.get(i-1),16))).toUpperCase();
if (i == Data.size() - 1)//END無位置
HexLoc = "";
} else// 起始位置從1開始
HexLoc = Integer.toString(0);
Location.add(HexLoc);
}
//計算長度
if(Data.get(i).second.equals("BYTE")){
if (Data.get(i).third.contains("C")) {// 當C'EOF'時長度3
char c[] = Data.get(i).third
.substring(Data.get(i).third.indexOf('\'') + 1, Data.get(i).third.length() - 1)
.toCharArray();
Length.remove(i);
Length.add(i,Integer.toString(c.length));
} else{
Length.remove(i);
Length.add(i,"1");// 當X'F1'時長度1
}
} else if (Data.get(i).second.contains("RESW")) {// 當RESW時數字*3
Length.remove(i);
Length.add(i,Integer.toHexString(Integer.parseInt(Data.get(i).third) * 3));
} else if (Data.get(i).second.contains("RESB")) {
Length.remove(i);
Length.add(i,Integer.toHexString(Integer.parseInt(Data.get(i).third)));
} else if (Data.get(i).second.contains("WORD")){ // WORD 3
Length.remove(i);
Length.add(i,"3");
}
else if (Data.get(i).second.contains("CLEAR")){ // CLEAR 2
Length.remove(i);
Length.add(i,"2");
}
// 建立SYM_TAB//
if (!Data.get(i).first.contains(" ") && i != 0 && !Data.get(i).first.contains(".")) {
if(Data.get(i).first.equals(base))
base=HexLoc;
SYM_TAB.add(new Pair(Data.get(i).first, HexLoc));
}
}
/// pass2建立目的碼///
for (i = 0; i < Data.size(); i++){
StringBuilder s=new StringBuilder("");
//Format 2(opcode r1 r2)
if(Data.get(i).format.equals("2")){
s=s.append(Data.get(i).opcode);
String arr[]=Data.get(i).third.split(",");
for(k=0;k<arr.length;k++){
if(arr[k].equals("B"))
s=s.append("3");
else if(arr[k].equals("S"))
s=s.append("4");
else if(arr[k].equals("T"))
s=s.append("5");
else if(arr[k].equals("F"))
s=s.append("6");
else if(arr[k].equals("A"))
s=s.append("0");
else if(arr[k].equals("X"))
s=s.append("1");
}
if(k==1)//若無r2則補0
s=s.append("0");
}
//Format 4 (opcode nixbpe address)
if(Data.get(i).format.equals("4")){
String str="",nixbpe="";
str=Integer.toBinaryString(Integer.parseInt(Data.get(i).opcode,16));
if(str.equals("0"))str="000000";//LDA須補0因為opcode=0
if(Data.get(i).third.contains("#"))
nixbpe="010001";
else if(Data.get(i).third.contains("@"))
nixbpe="100001";
else if(Data.get(i).third.contains(",X"))
nixbpe="111001";
else
nixbpe="110001";
str=Integer.toHexString(Integer.parseInt((str.substring(0,str.length()-2)+nixbpe),2)).toUpperCase();
if(str.length()!=3){//遇到 LDA 補0
str=new StringBuilder(str).reverse().append("0").reverse().toString();
}
for(k=0;k<SYM_TAB.size();k++){
if(Data.get(i).third.contains
(SYM_TAB.get(k).symbol)){
if(SYM_TAB.get(k).location.length()!=5){//SYM 5位元補0 (20/4=5)
for(int l=SYM_TAB.get(k).location.length();l<5;l++)
str+="0";
}
str+=SYM_TAB.get(k).location;
break;
}
}
char c[]=Data.get(i).third.toCharArray();
if((c[1]-'0'>=0&&c[1]-'0'<=9)){ //#4096十轉十六->1000 放入hex
String hex=Integer.toHexString(Integer.parseInt(Data.get(i).third.substring(1, Data.get(i).third.length())));
if(hex.length()!=5){//hex要 5位元並補0 (20/4=5)
for(int l=hex.length();l<5;l++)
str+="0";
}
str+=hex;
}
s.append(str);
}
//Format 3 (opcode nicbpe disp)
if(Data.get(i).format.equals("3")){
String str="",nixbpe="";
str=Integer.toBinaryString(Integer.parseInt(Data.get(i).opcode,16));//op16進位先給str
if(str.equals("0"))str="000000";
if(Data.get(i).third.equals(" ")||Data.get(i).equals("RSUB")){
nixbpe="110000";
str=Integer.toHexString(Integer.parseInt((str.substring(0,str.length()-2)+nixbpe),2)).toUpperCase();
str+="000";
}
else if(Data.get(i).third.contains(",X")){//,X包含
String num="",num2=Location.get(i+1);
int tot=0;
for(k=0;k<SYM_TAB.size();k++){
if(Data.get(i).third.contains
(SYM_TAB.get(k).symbol)){
num=SYM_TAB.get(k).location;
break;
}
}
tot=Integer.parseInt(num,16)-Integer.parseInt(num2,16);
if(tot<2047&&tot>-2048){
nixbpe="111010";
str=Integer.toHexString(Integer.parseInt((str.substring(0,str.length()-2)+nixbpe),2)).toUpperCase();
if(str.length()!=3){//遇到 LDA 補0
str=new StringBuilder(str).reverse().append("0").reverse().toString();
}
if(Integer.toHexString(tot).length()!=3){
for(int l=Integer.toHexString(tot).length();l<3;l++)
str+="0";
}
str+=Integer.toHexString(tot).toUpperCase();
}else{
nixbpe="111100";
tot=Integer.parseInt(num,16)-Integer.parseInt(base,16);//溢位使用Base暫存
str=Integer.toHexString(Integer.parseInt((str.substring(0,str.length()-2)+nixbpe),2)).toUpperCase();
if(str.length()!=3){//遇到 LDA 補0
str=new StringBuilder(str).reverse().append("0").reverse().toString();
}
if(Integer.toHexString(tot).length()!=3){
for(int l=Integer.toHexString(tot).length();l<3;l++)
str+="0";
}
str+=Integer.toHexString(tot).toUpperCase();
}//還有 op c,x op m,x sic
}else if(Data.get(i).third.contains("#")||Data.get(i).third.contains("@")){//# @
char c[]=Data.get(i).third.toCharArray();
if((c[1]-'0'>=0&&c[1]-'0'<=9)){//#3時 op #c
String num=Data.get(i).third.substring(1, Data.get(i).third.length());
num=Integer.toHexString(Integer.parseInt(num)).toUpperCase();
if(Data.get(i).third.contains("#"))
nixbpe="010000";
else
nixbpe="100000";
str=Integer.toHexString(Integer.parseInt((str.substring(0,str.length()-2)+nixbpe),2)).toUpperCase();
if(str.length()!=3){//遇到 LDO 補0
str=new StringBuilder(str).reverse().append("0").reverse().toString();
}
if(num.length()!=3){
for(int l=num.length();l<3;l++)
str+="0";
}
str+=num;
}else{
String num="",num2=Location.get(i+1);
int tot=0;
for(k=0;k<SYM_TAB.size();k++){
if(Data.get(i).third.contains
(SYM_TAB.get(k).symbol)){
num=SYM_TAB.get(k).location;
break;
}
}
if(num2.equals(""))//遇到BASE在讀下一個位置
num2=Location.get(i+2);
tot=Integer.parseInt(num,16)-Integer.parseInt(num2,16);
if(tot<2047&&tot>-2048){
if(Data.get(i).third.contains("#"))
nixbpe="010010";
else
nixbpe="100010";
str=Integer.toHexString(Integer.parseInt((str.substring(0,str.length()-2)+nixbpe),2)).toUpperCase();
if(str.length()!=3){//遇到 LDA 補0
str=new StringBuilder(str).reverse().append("0").reverse().toString();
}
if(Integer.toHexString(tot).length()!=3){
for(int l=Integer.toHexString(tot).length();l<3;l++)
str+="0";
}
str+=Integer.toHexString(tot).toUpperCase();
}else{
if(Data.get(i).third.contains("#"))
nixbpe="010100";
else
nixbpe="100100";
tot=Integer.parseInt(num,16)-Integer.parseInt(base,16);//溢位使用Base暫存
str=Integer.toHexString(Integer.parseInt((str.substring(0,str.length()-2)+nixbpe),2)).toUpperCase();
if(str.length()!=3){//遇到 LDA 補0
str=new StringBuilder(str).reverse().append("0").reverse().toString();
}
if(Integer.toHexString(tot).length()!=3){
for(int l=Integer.toHexString(tot).length();l<3;l++)
str+="0";
}
str+=Integer.toHexString(tot).toUpperCase();
}
}
}else{
String num="",num2=Location.get(i+1);
int tot=0;
for(k=0;k<SYM_TAB.size();k++){
if(Data.get(i).third.contains
(SYM_TAB.get(k).symbol)){
num=SYM_TAB.get(k).location;
break;
}
}
tot=Integer.parseInt(num,16)-Integer.parseInt(num2,16);
if(tot<2047&&tot>-2048){
nixbpe="110010";
str=Integer.toHexString(Integer.parseInt((str.substring(0,str.length()-2)+nixbpe),2)).toUpperCase();
if(str.length()!=3){//遇到 LDA 補0
str=new StringBuilder(str).reverse().append("0").reverse().toString();
}
if(Integer.toHexString(tot).length()<3){
for(int l=Integer.toHexString(tot).length();l<3;l++)
str+="0";
}
if(Integer.toHexString(tot).length()>3){//當負數長度大於三切割
StringBuffer s1=new StringBuffer(Integer.toHexString(tot).toUpperCase());
str+=new StringBuffer(s1.reverse().substring(0,3)).reverse();
}
else
str+=Integer.toHexString(tot).toUpperCase();
}else{
nixbpe="110100";
tot=Integer.parseInt(num,16)-Integer.parseInt(base,16);//溢位使用Base暫存
str=Integer.toHexString(Integer.parseInt((str.substring(0,str.length()-2)+nixbpe),2)).toUpperCase();
if(str.length()!=3){//遇到 LDA 補0
str=new StringBuilder(str).reverse().append("0").reverse().toString();
}
if(Integer.toHexString(tot).length()!=3){
for(int l=Integer.toHexString(tot).length();l<3;l++)
str+="0";
}
if(Integer.toHexString(tot).length()>3){//當負數長度大於三切割
StringBuffer s1=new StringBuffer(Integer.toHexString(tot).toUpperCase());
str+=new StringBuffer(s1.reverse().substring(0,3)).reverse();
}
else
str+=Integer.toHexString(tot).toUpperCase();
}
}
/*end*/
s.append(str);
}
if (Data.get(i).second.equals("BYTE")) {
String str="";
char c[] = Data.get(i).third
.substring(Data.get(i).third.indexOf('\'') + 1, Data.get(i).third.length() - 1)
.toCharArray();
for (k = 0; k < c.length; k++) {
if (Data.get(i).third.contains("C"))
str+=(Integer.toHexString(c[k]).toUpperCase());// ASCii由10->16目的碼
else
str+=(c[k]);
}
s.append(str);
}
Target.add(s.toString());
}
//// 寫檔
PrintWriter Write = new PrintWriter("SICXE_Final.txt");
System.out.printf("%s\t%-6s\t%-6s\t%-5s\t%s\t\r\n", "位置", " ", "原始敘述", " ", "目的碼");
Write.printf("%s\t%-6s\t%-6s\t%-5s\t%s\t\r\n", "位置", " ", "原始敘述", " ", "目的碼");
System.out.println("------------------------------------------------");
Write.println("------------------------------------------------");
for (j = 0; j < Data.size(); j++) {
Write.printf("%s\t%-6s\t%-6s\t%-10s\t%s\t\r\n", Location.get(j), Data.get(j).first,
Data.get(j).second, Data.get(j).third, Target.get(j));
System.out.printf("%s\t%-6s\t%-6s\t%-10s\t%s\t\r\n", Location.get(j), Data.get(j).first,
Data.get(j).second, Data.get(j).third, Target.get(j));
}
Write.close();
/*for(i=0;i<Data.size();i++){
System.out.println(Location.get(i)+"\t"+Data.get(i).first+"\t"+Data.get(i).second+"\t"+Data.get(i).third+"\t\t"+Target.get(i));
}*/
}
}