From 707b9d2ab811c488dd9a8739c5943eec79576434 Mon Sep 17 00:00:00 2001
From: Ian Moffett <ian@osmora.org>
Date: Thu, 24 Jul 2025 17:03:03 -0400
Subject: oemu: cpu: Skip cycle upon decoding of NOP opcode

Signed-off-by: Ian Moffett <ian@osmora.org>
---
 usr.bin/oemu/cpu.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'usr.bin/oemu/cpu.c')

diff --git a/usr.bin/oemu/cpu.c b/usr.bin/oemu/cpu.c
index fefdd4c..49d4671 100644
--- a/usr.bin/oemu/cpu.c
+++ b/usr.bin/oemu/cpu.c
@@ -377,6 +377,10 @@ cpu_kick(struct oemu_cpu *cpu, struct sysmem *mem)
         inst = (inst_t *)&memp[regs->ip];
 
         switch (inst->opcode) {
+        case INST_NOP:
+            /* NOP */
+            regs->ip += sizeof(*inst);
+            continue;
         case INST_MOV_IMM:
             cpu_mov_imm(cpu, inst);
             break;
-- 
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