diff --git a/src/instruction/atomic/index.ts b/src/instruction/atomic/index.ts
index 95bce90..da1d01c 100644
--- a/src/instruction/atomic/index.ts
+++ b/src/instruction/atomic/index.ts
@@ -13,11 +13,13 @@ export * from "./greater_than";
 export * from "./greater_than_equals";
 export * from "./if";
 export * from "./increment";
+export * from "./int";
 export * from "./left_shift";
 export * from "./less_than";
 export * from "./less_than_equals";
 export * from "./literal";
 export * from "./load";
+export * from "./lodsb";
 export * from "./marine";
 export * from "./memory";
 export * from "./next";
diff --git a/src/instruction/atomic/int.ts b/src/instruction/atomic/int.ts
new file mode 100644
index 0000000..ad5b0e3
--- /dev/null
+++ b/src/instruction/atomic/int.ts
@@ -0,0 +1,10 @@
+import { Instruction } from "../instruction";
+
+export class InterruptInstruction extends Instruction {
+    public to_asm(_instruction_index: number): string {
+        return "pop ax\nint ax";
+    }
+    public to_wat(_instruction_index: number): string {
+        throw new Error("Method not implemented.");
+    }
+}
diff --git a/src/instruction/atomic/lodsb.ts b/src/instruction/atomic/lodsb.ts
new file mode 100644
index 0000000..c125eb2
--- /dev/null
+++ b/src/instruction/atomic/lodsb.ts
@@ -0,0 +1,10 @@
+import { Instruction } from "../instruction";
+
+export class LoadStringBytesInstruction extends Instruction {
+    public to_asm(_instruction_index: number): string {
+        return "lodsb";
+    }
+    public to_wat(_instruction_index: number): string {
+        throw new Error("Method not implemented.");
+    }
+}
diff --git a/src/lexer/lookup_table.ts b/src/lexer/lookup_table.ts
index abc4b64..2465ab7 100644
--- a/src/lexer/lookup_table.ts
+++ b/src/lexer/lookup_table.ts
@@ -8,14 +8,16 @@ import {
     DropInstruction,
     EndIfInstruction,
     EqualityInstruction,
-    GreaterThanInstruction,
     GreaterThanEqualsInstruction,
+    GreaterThanInstruction,
     IncrementInstruction,
     Instruction,
+    InterruptInstruction,
     LeftBinaryShiftInstruction,
-    LessThanInstruction,
     LessThanEqualsInstruction,
+    LessThanInstruction,
     LoadMemoryInstruction,
+    LoadStringBytesInstruction,
     MarineInstruction,
     NotEqualityInstruction,
     OverInstruction,
@@ -79,7 +81,9 @@ export class InstructionLookupTable {
         else: UnreferencedElseInstruction,
         endif: EndIfInstruction,
         if: UnreferencedIfInstruction,
+        int: InterruptInstruction,
         load: LoadMemoryInstruction,
+        lodsb: LoadStringBytesInstruction,
         marine: MarineInstruction,
         mem: PushMemoryPointerInstruction,
         over: OverInstruction,