Implement BLTU

1 files changed, 10 insertions, 0 deletions

diff --git a/src/instructions/rvi.rs b/src/instructions/rvi.rs
index 6f7dfd2..7d57ce6 100644
--- a/src/instructions/rvi.rs
+++ b/src/instructions/rvi.rs
@@ -132,3 +132,13 @@ pub fn bgeu(core: &mut Core, instr: Instruction) -> InstructionResult {
 
     InstructionResult::Normal
 }
+
+pub fn bltu(core: &mut Core, instr: Instruction) -> InstructionResult {
+    if core.reg_read(instr.rs1()) < core.reg_read(instr.rs2()) {
+        core.pc = core.pc.wrapping_add(instr.imm_b());
+    } else {
+        core.advance_pc();
+    }
+
+    InstructionResult::Normal
+}