diff --git a/cpu.js b/cpu.js
index 6f4d7bb..5b73de4 100644
--- a/cpu.js
+++ b/cpu.js
@@ -127,7 +127,7 @@ function CPU_65816() {
                       0xda : PHX, 0xfa : PLX, 0x08 : PHP, 0x28 : PLP, 
                       0xf4 : PEA, 0xd4 : PEI, 0x8b : PHB, 0xab : PLB,
                       0x4b : PHK, 0x0b : PHD, 0x2b : PLD, 0x62 : PER,
-                      0x20 : JSR, 0x60 : RTS };
+                      0x20 : JSR, 0x60 : RTS, 0x22 : JSL, 0x6b : RTL };
 
   /**
    * Take a raw hex string representing the program and execute it.
@@ -206,6 +206,34 @@ var MMU = {
   }
 };
 
+var JSL = {
+  bytes_required:function() {
+    return 4;
+  },
+  execute:function(cpu, bytes) {
+    var location = cpu.r.pc - 1;
+    var low_byte = location & 0x00ff;
+    var high_byte = location >> 8;
+    cpu.mmu.store_byte(cpu.r.s--, cpu.r.pbr);
+    cpu.mmu.store_byte(cpu.r.s--, high_byte);
+    cpu.mmu.store_byte(cpu.r.s--, low_byte);
+    cpu.r.pbr = bytes[2];
+    cpu.r.pc = (bytes[1]<<8)|bytes[0];
+  }
+};
+
+var RTL = {
+  bytes_required:function() {
+    return 1;
+  },
+  execute:function(cpu) {
+    var low_byte = cpu.mmu.read_byte(++cpu.r.s); 
+    var high_byte = cpu.mmu.read_byte(++cpu.r.s);
+    cpu.r.pbr = cpu.mmu.read_byte(++cpu.r.s);
+    cpu.r.pc = ((high_byte<<8)|low_byte) + 1;
+  }
+};
+
 var JSR = {
   bytes_required:function() {
     return 3;