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'Simplified' decoder by using switches

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This commit is contained in:
Darkress
2023-05-09 02:03:25 +02:00
committed by DarkressX
parent aea57b5eec
commit f575fc81c9
2 changed files with 124 additions and 97 deletions
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214
CommandDecoder.java
View File

@@ -1,114 +1,144 @@
public class CommandDecoder public class CommandDecoder
{ {
public void CommandDecoder(String input) public CommandDecoder(int input)
{ {
int binaryInput = Integer.parseInt(input); switch(input & 0x3F00)
{
case 0x700:
//addwf();
break;
case 0x500:
//andwf();
break;
case 0x900:
//comf();
break;
case 0x300:
//decf();
break;
case 0xB00:
//decfsz();
break;
case 0xA00:
//incf();
break;
case 0xF00:
//incfsz();
break;
case 0x400:
//iorwf();
break;
case 0x800:
//movf();
break;
case 0xD00:
//rlf();
break;
case 0xC00:
//rrf();
break;
case 0x200:
//subwf();
break;
case 0xE00:
//swapf();
break;
case 0x600:
//xorwf();
break;
case 0x3900:
//andlw();
break;
case 0x3800:
//iorlw();
break;
case 0x3A00:
//xorlw();
break;
}
if ((binaryInput & 0x3F00) == 0x700) switch(input & 0x3F80)
{ {
//ADDWF(); case 0x180:
} else if ((binaryInput & 0x3F00) == 0x500) //clrf();
break;
case 0x100:
//clrw();
break;
case 0x80:
//movwf();
break;
}
switch(input & 0x3C00)
{ {
//ANDWF(); case 0x1000:
} else if ((binaryInput & 0x3F80) == 0x180) //bcf();
break;
case 0x1400:
//bsf();
break;
case 0x1800:
//btfsc();
break;
case 0x1C00:
//btfss();
break;
}
switch(input & 0x3E00)
{ {
//CLRF(); case 0x3E00:
} else if ((binaryInput & 0x3F80) == 0x100) //addlw();
break;
case 0x3C00:
//sublw();
break;
}
switch(input & 0x3800)
{ {
//CLRW(); case 0x2000:
} else if ((binaryInput & 0x3F00) == 0x900) //call();
break;
case 0x2800:
//goto();
break;
}
switch(input & 0x3C00)
{ {
//COMF(); case 0x3000:
} else if ((binaryInput & 0x3F00) == 0x300) //movlw();
{ break;
//DECF(); case 0x3400:
} else if ((binaryInput & 0x3F00) == 0xB00) //retlw();
{ break;
//DECFSZ(); }
} else if ((binaryInput & 0x3F00) == 0xA00)
{ if ((input | 0x0060) == 0x0060)
//INCF();
} else if ((binaryInput & 0x3F00) == 0xF00)
{
//INCFSZ();
} else if ((binaryInput & 0x3F00) == 0x400)
{
//IORWF();
} else if ((binaryInput & 0x3F00) == 0x800)
{
//MOVF();
} else if ((binaryInput & 0x3F80) == 0x80)
{
//MOVWF();
} else if ((binaryInput & 0x7FF) == 0x0)
{ {
//NOP(); //NOP();
} else if ((binaryInput & 0x3F00) == 0xD00) }
{
//RLF(); if (input == 0x0064)
} else if ((binaryInput & 0x3F00) == 0xC00)
{
//RRF();
} else if ((binaryInput & 0x3F00) == 0x200)
{
//SUBWF();
} else if ((binaryInput & 0x3F00) == 0xE00)
{
//SWAPF();
} else if ((binaryInput & 0x3F00) == 0x600)
{
//XORWF();
} else if ((binaryInput & 0xF000) == 0x4000)
{
//BCF
} else if ((binaryInput & 0xF000) == 0x5000)
{
//BSF
} else if ((binaryInput & 0xF000) == 0x6000)
{
//BTFSC
} else if ((binaryInput & 0xF000) == 0x7000)
{
//BTFSS
} else if ((binaryInput & 0x3E00) == 0x3E00)
{
//ADDLW
} else if ((binaryInput & 0x3F00) == 0x3900)
{
//ANDLW
} else if ((binaryInput & 0x3800) == 0x2000)
{
//CALL
} else if (binaryInput == 0x0064)
{ {
//Clear Watchdog Timer //Clear Watchdog Timer
} else if ((binaryInput & 0x3800) == 0x2800) }
{
//GOTO if (input == 0x0009)
} else if ((binaryInput & 0x3F00) == 0x3800)
{
//IORLW
} else if ((binaryInput & 0x3C00) == 0x3000)
{
//MOVLW
} else if (binaryInput == 0x0009)
{ {
//RETFIE //RETFIE
} else if ((binaryInput & 0x3C00) == 0x3400) }
{
//RETLW if (input == 0x0008)
} else if (binaryInput == 0x0008)
{ {
//RETURN //RETURN
} else if (binaryInput == 0x0063) }
if (input == 0x0063)
{ {
//SLEEP //SLEEP
} else if ((binaryInput & 0x3E00) == 0x3C00)
{
//SUBLW
} else if ((binaryInput & 0x3F00) == 0x3A00)
{
//XORLW
} }
} }
} }

7
HelloWorld.java
View File

@@ -3,10 +3,7 @@
class HelloWorld { class HelloWorld {
public static void main(String[] args) { public static void main(String[] args) {
System.out.println("Hello, World!"); System.out.println("Hello, World!");
String input = "9"; int input = Integer.decode("0x0070");
CommandDecoder commandDecoder = new CommandDecoder(); CommandDecoder commandDecoder = new CommandDecoder(input);
commandDecoder.CommandDecoder(input);
int binaryInput = Integer.parseInt(input);
System.out.println(binaryInput);
} }
} }