Command-Erkennung

2024-04-18 14:29:50 +02:00
parent 2e5fedaa3a
commit c2f5c3a81a
5 changed files with 203 additions and 3 deletions
--- a/src/main/java/fabrik/simulator/pic16f84/Commands.java
+++ b/src/main/java/fabrik/simulator/pic16f84/Commands.java
@ -0,0 +1,151 @@
+package fabrik.simulator.pic16f84;
+
+public class Commands {
+    public static void execute(){
+        ;
+    }
+
+    public static void decode(int instruction){
+        int jumpaddr = 0x7FF;
+        int fileregaddr = 0x7F;
+        int constant = 0xFF;
+        int bitaddr = 0x380;
+        int destinationbit = 0x80;
+
+        switch (instruction & 0x3800){
+            case 0b10000000000000:
+                System.out.println("CALL");
+                return;
+            case 0b10100000000000:
+                System.out.println("GOTO");
+                return;
+            default:
+                break;
+        }
+
+        switch (instruction & 0x3F00){
+            case 0b00011100000000:
+                System.out.println("ADDWF");
+                return;
+            case 0b00010100000000:
+                System.out.println("ANDWF");
+                return;
+            case 0b00100100000000:
+                System.out.println("COMF");
+                return;
+            case 0b00001100000000:
+                System.out.println("DECF");
+                return;
+            case 0b00101100000000:
+                System.out.println("DECFSZ");
+                return;
+            case 0b00101000000000:
+                System.out.println("INCF");
+                return;
+            case 0b00111100000000:
+                System.out.println("INCFSZ");
+                return;
+            case 0b00010000000000:
+                System.out.println("IORWF");
+                return;
+            case 0b00100000000000:
+                System.out.println("MOVF");
+                return;
+            case 0b00110100000000:
+                System.out.println("RLF");
+                return;
+            case 0b00001000000000:
+                System.out.println("SUBWF");
+                return;
+            case 0b00111000000000:
+                System.out.println("SWAPF");
+                return;
+            case 0b00011000000000:
+                System.out.println("XORWF");
+                return;
+            case 0b11100100000000:
+                System.out.println("ANDLW");
+                return;
+            case 0b11101000000000:
+                System.out.println("XORLW");
+                return;
+            case 0b11100000000000:
+                System.out.println("IORLW");
+                return;
+            default:
+                break;
+        }
+
+        switch (instruction & 0x3F80){
+            case 0b00000110000000:
+                System.out.println("CLRF");
+                return;
+            case 0b00000100000000:
+                System.out.println("CLRW");
+                return;
+            case 0b00000010000000:
+                System.out.println("MOVWF");
+                return;
+            default:
+                break;
+        }
+
+        switch (instruction & 0x3C00){
+            case 0b01000000000000:
+                System.out.println("BCF");
+                return;
+            case 0b01010000000000:
+                System.out.println("BSF");
+                return;
+            case 0b01100000000000:
+                System.out.println("BTFSC");
+                return;
+            case 0b01110000000000:
+                System.out.println("BTFSS");
+                return;
+            case 0b11000000000000:
+                System.out.println("MOVLW");
+                return;
+            case 0b11010000000000:
+                System.out.println("RETLW");
+                return;
+            default:
+                break;
+        }
+
+        switch (instruction & 0x3E00){
+            case 0b11111000000000:
+                System.out.println("ADDLW");
+                return;
+            case 0b11110000000000:
+                System.out.println("SUBLW");
+                return;
+            default:
+                break;
+        }
+
+        switch (instruction){
+            case 0b01100100:
+                System.out.println("CLRWDT");
+                return;
+            case 0b1001:
+                System.out.println("RETFIE");
+                return;
+            case 0b1000:
+                System.out.println("RETURN");
+                return;
+            case 0b01100011:
+                System.out.println("SLEEP");
+                return;
+            default:
+                break;
+        }
+
+        if (instruction == 0 || instruction == 0b0110000 || instruction == 0b01000000 || instruction == 0b00100000){
+            System.out.println("NOP");
+        }
+        else{
+            System.out.println("Nicht gefunden!");
+        }
+    }
+}