diff --git a/src/opcodes.h b/src/opcodes.h
index e7e45e0..0e4ccaa 100644
--- a/src/opcodes.h
+++ b/src/opcodes.h
@@ -17,8 +17,9 @@ typedef enum {
   OP_MEM_SWAP,     /* mswp : &dest = &src1, &src1 = &dest */
   OP_MEM_MOV,      /* mmov  : &dest = &src1 */
   OP_MEM_ALLOC,    /* aloc : dest [next memory location as size] */
-  OP_REF,          /* ref : dest = &memory[src1] */
-  OP_DEREF,        /* dref : dest = memory[src1] */
+  OP_GET,          /* get  : dest = ptr : dest = memory[ptr] */
+  OP_PUT,          /* put  : ptr = src1  : memory[ptr] = src */
+  OP_OFFSET,       /* offs : dest = ptr + src1 : dest = p + o */
   OP_SYSCALL,      /* sysc :  */
   OP_ADD_INT,      /* addi : dest = src1 + src2  */
   OP_SUB_INT,      /* subi : dest = src1 - src2  */
diff --git a/src/vm.c b/src/vm.c
index 1df2387..f2cb1fe 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -108,6 +108,23 @@ bool step_vm(VM *vm) {
     vm->memory[ptr] = vm->frames[vm->fp].registers[src1];
     return true;
   }
+  case OP_PUT: {
+    uint32_t addr = vm->frames[vm->fp].registers[dest].u;
+    vm->memory[addr] = vm->frames[vm->fp].registers[src1];
+    return true;
+  }
+  case OP_GET: {
+    uint32_t addr = vm->frames[vm->fp].registers[src1].u;
+    vm->frames[vm->fp].registers[dest] = vm->memory[addr];
+    return true;
+  }
+  case OP_OFFSET: {
+    uint32_t ptr = vm->frames[vm->fp].registers[src1].u;
+    uint32_t offset = vm->frames[vm->fp].registers[src2].u;
+    uint32_t result = ptr + offset;
+    vm->frames[vm->fp].registers[dest].u = result;
+    return true;
+  }
   case OP_PUSH: {
     vm->stack[++vm->sp] = vm->frames[vm->fp].registers[dest];
     return true;
@@ -116,6 +133,33 @@ bool step_vm(VM *vm) {
     vm->frames[vm->fp].registers[dest] = vm->stack[vm->sp--];
     return true;
   }
+  case OP_MEM_ALLOC: {
+    uint32_t mem_dest = (uint32_t)vm->frames[vm->fp]
+                            .allocated.end; /* get start of unallocated */
+    vm->frames[vm->fp].registers[dest].u =
+        mem_dest; /* store ptr of array to dest register */
+    uint32_t size = (uint32_t)vm->frames[vm->fp].registers[src1].u;
+    vm->memory[mem_dest].u = size;
+    vm->frames[vm->fp].allocated.end +=
+        size; /* increment to end of allocated */
+    return true;
+  }
+  case OP_MEM_MOV: {
+    uint32_t dest_addr = (uint32_t)vm->frames[vm->fp].registers[dest].u;
+    uint32_t src_addr = (uint32_t)vm->frames[vm->fp].registers[src1].u;
+    vm->memory[dest_addr] = vm->memory[src_addr];
+    return true;
+  }
+  case OP_MEM_SWAP: {
+    uint32_t dest_addr = (uint32_t)vm->frames[vm->fp].registers[dest].u;
+    uint32_t src_addr = (uint32_t)vm->frames[vm->fp].registers[src1].u;
+    vm->memory[dest_addr].u ^= vm->memory[src_addr].u;
+    vm->memory[src_addr].u ^= vm->memory[dest_addr].u;
+    vm->memory[dest_addr].u ^= vm->memory[src_addr].u;
+    return true;
+  }
+  case OP_SYSCALL: {
+  }
   case OP_ADD_INT:
     MATH_OP(i, +);
   case OP_SUB_INT:
@@ -316,31 +360,6 @@ bool step_vm(VM *vm) {
     vm->memory[dest].u = equal;
     return true;
   }
-  case OP_MEM_ALLOC: {
-    uint32_t mem_dest = (uint32_t)vm->frames[vm->fp]
-                            .allocated.end; /* get start of unallocated */
-    vm->frames[vm->fp].registers[dest].u =
-        mem_dest; /* store ptr of array to dest register */
-    uint32_t size = (uint32_t)vm->frames[vm->fp].registers[src1].u;
-    vm->memory[mem_dest].u = size;
-    vm->frames[vm->fp].allocated.end +=
-        size; /* increment to end of allocated */
-    return true;
-  }
-  case OP_MEM_MOV: {
-    uint32_t dest_addr = (uint32_t)vm->frames[vm->fp].registers[dest].u;
-    uint32_t src_addr = (uint32_t)vm->frames[vm->fp].registers[src1].u;
-    vm->memory[dest_addr] = vm->memory[src_addr];
-    return true;
-  }
-  case OP_MEM_SWAP: {
-    uint32_t dest_addr = (uint32_t)vm->frames[vm->fp].registers[dest].u;
-    uint32_t src_addr = (uint32_t)vm->frames[vm->fp].registers[src1].u;
-    vm->memory[dest_addr].u ^= vm->memory[src_addr].u;
-    vm->memory[src_addr].u ^= vm->memory[dest_addr].u;
-    vm->memory[dest_addr].u ^= vm->memory[src_addr].u;
-    return true;
-  }
   }
   return false; /* something bad happened */
 }
diff --git a/test/loop.zrl b/test/loop.zrl
index 264690f..2db9714 100644
--- a/test/loop.zrl
+++ b/test/loop.zrl
@@ -3,8 +3,9 @@ do (int i = 50000, 0, -1) {
   a = a + 5.0;
 }
 int b = a as nat;
-print("Enter a string:");
-str user_string = gets();
-print(a.toS());
-print(b.toS());
-print(user_string);
+print "Enter a string:");
+str user_string = read();
+print a.str;
+print b.str;
+print user_string;
+