diff --git a/src/gopheros/device/acpi/aml/opcode_table.go b/src/gopheros/device/acpi/aml/opcode_table.go
index ba8e500..27d9d94 100644
--- a/src/gopheros/device/acpi/aml/opcode_table.go
+++ b/src/gopheros/device/acpi/aml/opcode_table.go
@@ -119,6 +119,8 @@ const (
 	opIndexField  = opcode(0xff + 0x86)
 	opBankField   = opcode(0xff + 0x87)
 	opDataRegion  = opcode(0xff + 0x88)
+	//
+	numOpcodes = 0xff + 0x89
 )
 
 // The opcode table contains all opcode-related information that the parser knows.
diff --git a/src/gopheros/device/acpi/aml/vm.go b/src/gopheros/device/acpi/aml/vm.go
index 9dae0d6..59d1a94 100644
--- a/src/gopheros/device/acpi/aml/vm.go
+++ b/src/gopheros/device/acpi/aml/vm.go
@@ -24,7 +24,7 @@ const (
 	ctrlFlowTypeFnReturn
 )
 
-// execContext encapsulates
+// execContext holds the AML interpreter state while an AML method executes.
 type execContext struct {
 	localArg  [maxLocalArgs]interface{}
 	methodArg [maxMethodArgs]interface{}
@@ -65,6 +65,8 @@ type VM struct {
 	// whether integers are treated as 32 or 64-bits. The VM memoizes this
 	// value so that it can be used by the data conversion helpers.
 	sizeOfIntInBits int
+
+	jumpTable [numOpcodes]opHandler
 }
 
 // NewVM creates a new AML VM and initializes it with the default scope
@@ -101,6 +103,7 @@ func (vm *VM) Init() *Error {
 		}
 	}
 
+	vm.populateJumpTable()
 	return nil
 }
 
diff --git a/src/gopheros/device/acpi/aml/vm_jumptable.go b/src/gopheros/device/acpi/aml/vm_jumptable.go
new file mode 100644
index 0000000..25f91bb
--- /dev/null
+++ b/src/gopheros/device/acpi/aml/vm_jumptable.go
@@ -0,0 +1,20 @@
+package aml
+
+// opHandler is a function that implements an AML opcode.
+type opHandler func(*execContext, Entity) *Error
+
+// populateJumpTable assigns the functions that implement the various AML
+// opcodes to the VM's jump table.
+func (vm *VM) populateJumpTable() {
+	for i := 0; i < len(vm.jumpTable); i++ {
+		vm.jumpTable[i] = opExecNotImplemented
+	}
+}
+
+// opExecNotImplemented is a placeholder handler that returns a non-implemented
+// opcode error.
+func opExecNotImplemented(_ *execContext, ent Entity) *Error {
+	return &Error{
+		message: "opcode " + ent.getOpcode().String() + " not implemented",
+	}
+}