added 2.LD_r1_r2 and all the relevant opcodes

(not including opcode 36)

src/commands.js

@@ -7,12 +7,38 @@ LD_nn_n = (value)=>{
     return 8;
 }
 
+LD_r1_r2 = (r1, r2_val)=>{
+    cpu.increaseCounter();
+    switch(r1){
+        case "A":
+            cpu.setA(r2_val)
+            return 4
+        case "B":
+            cpu.setB(r2_val)
+            return 4
+        case "C":
+            cpu.setC(r2_val)
+            return 4
+        case "D":
+            cpu.setD(r2_val)
+            return 4
+        case "E":
+            cpu.setE(r2_val)
+            return 4
+        case "H":
+            cpu.setH(r2_val)
+            return 4
+        case "L":
+            cpu.setL(r2_val)
+            return 4
+        case "(HL)":
+            mem.set(cpu.getHL(), r2_val)
+            return 8
+    }
+}
+
 exports.opcode = (opcode)=>{
     switch(opcode){
-        /*
-            8-Bit Loads
-            1. LD_nn_n
-        */
         case 0x06:
             return LD_nn_n(cpu.getB());
         case 0x0E:
@@ -25,5 +51,125 @@ exports.opcode = (opcode)=>{
             return LD_nn_n(cpu.getH());
         case 0x2E:
             return LD_nn_n(cpu.getL());
+        //TODO
+        /*
+            CASE 0x36
+
+            (HL), n 
+
+            page 67
+        */
+        case 0x40:
+            return LD_r1_r2("B", cpu.getB());
+        case 0x41:
+            return LD_r1_r2("B", cpu.getC());
+        case 0x42:
+            return LD_r1_r2("B", cpu.getD());
+        case 0x43:
+            return LD_r1_r2("B", cpu.getE());
+        case 0x44:
+            return LD_r1_r2("B", cpu.getH());
+        case 0x45:
+            return LD_r1_r2("B", cpu.getL());
+        case 0x46:
+            return LD_r1_r2("B", mem.load(cpu.getHL()))+4;
+        case 0x48:
+            return LD_r1_r2("C", cpu.getB());
+        case 0x49:
+            return LD_r1_r2("C", cpu.getC());
+        case 0x4A:
+            return LD_r1_r2("C", cpu.getD());
+        case 0x4B:
+            return LD_r1_r2("C", cpu.getE());
+        case 0x4C:
+            return LD_r1_r2("C", cpu.getH());
+        case 0x4D:
+            return LD_r1_r2("C", cpu.getL());
+        case 0x4E:
+            return LD_r1_r2("C", mem.load(cpu.getHL()))+4;
+        case 0x50:
+            return LD_r1_r2("D", cpu.getB());
+        case 0x51:
+            return LD_r1_r2("D", cpu.getC());
+        case 0x52:
+            return LD_r1_r2("D", cpu.getD());
+        case 0x53:
+            return LD_r1_r2("D", cpu.getE());
+        case 0x54:
+            return LD_r1_r2("D", cpu.getH());
+        case 0x55:
+            return LD_r1_r2("D", cpu.getL());
+        case 0x56:
+            return LD_r1_r2("D", mem.load(cpu.getHL()))+4;
+        case 0x58:
+            return LD_r1_r2("E", cpu.getB());
+        case 0x59:
+            return LD_r1_r2("E", cpu.getC());
+        case 0x5A:
+            return LD_r1_r2("E", cpu.getD());
+        case 0x5B:
+            return LD_r1_r2("E", cpu.getE());
+        case 0x5C:
+            return LD_r1_r2("E", cpu.getH());
+        case 0x5D:
+            return LD_r1_r2("E", cpu.getL());
+        case 0x5E:
+            return LD_r1_r2("E", mem.load(cpu.getHL()))+4;
+        case 0x60:
+            return LD_r1_r2("H", cpu.getB());
+        case 0x61:
+            return LD_r1_r2("H", cpu.getC());
+        case 0x62:
+            return LD_r1_r2("H", cpu.getD());
+        case 0x63:
+            return LD_r1_r2("H", cpu.getE());
+        case 0x64:
+            return LD_r1_r2("H", cpu.getH());
+        case 0x65:
+            return LD_r1_r2("H", cpu.getL());
+        case 0x66:
+            return LD_r1_r2("H", mem.load(cpu.getHL()))+4;
+        case 0x68:
+            return LD_r1_r2("L", cpu.getB());
+        case 0x69:
+            return LD_r1_r2("L", cpu.getC());
+        case 0x6A:
+            return LD_r1_r2("L", cpu.getD());
+        case 0x6B:
+            return LD_r1_r2("L", cpu.getE());
+        case 0x6C:
+            return LD_r1_r2("L", cpu.getH());
+        case 0x6D:
+            return LD_r1_r2("L", cpu.getL());
+        case 0x6E:
+            return LD_r1_r2("L", mem.load(cpu.getHL()))+4;
+        case 0x70:
+            return LD_r1_r2("(HL)", cpu.getB());
+        case 0x71:
+            return LD_r1_r2("(HL)", cpu.getC());
+        case 0x72:
+            return LD_r1_r2("(HL)", cpu.getD());
+        case 0x73:
+            return LD_r1_r2("(HL)", cpu.getE());
+        case 0x74:
+            return LD_r1_r2("(HL)", cpu.getH());
+        case 0x75:
+            return LD_r1_r2("(HL)", cpu.getL());
+        case 0x78:
+            return LD_r1_r2("A", cpu.getB());
+        case 0x79:
+            return LD_r1_r2("A", cpu.getC());
+        case 0x7A:
+            return LD_r1_r2("A", cpu.getD());
+        case 0x7B:
+            return LD_r1_r2("A", cpu.getE());
+        case 0x7C:
+            return LD_r1_r2("A", cpu.getH());
+        case 0x7D:
+            return LD_r1_r2("A", cpu.getL());
+        case 0x7E:
+            return LD_r1_r2("A", mem.load(cpu.getHL()))+4;
+        case 0x7F:
+            return LD_r1_r2("A", cpu.getA());
     }
 }