From 0640960c52ec31552f3059bc1163d6cc762be1af Mon Sep 17 00:00:00 2001
From: Masamune3210 <1053504+Masamune3210@users.noreply.github.com>
Date: Fri, 22 May 2026 20:27:03 -0500
Subject: [PATCH] add comment explaining requirement

---
 src/video_core/pica/pica_core.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/video_core/pica/pica_core.cpp b/src/video_core/pica/pica_core.cpp
index f09210a29..a221af9fa 100644
--- a/src/video_core/pica/pica_core.cpp
+++ b/src/video_core/pica/pica_core.cpp
@@ -58,6 +58,8 @@ void PicaCore::InitializeRegs() {
     // Values initialized by GSP
     regs.internal.irq_autostop = 1;
     regs.internal.irq_mask = 0xFFFFFFF0;
+    // Older versions of libctru didn't initialize this, initialize it here to avoid endless black screen
+    // not needed on actual hardware due to previous software already having set it up
     regs.internal.irq_compare = 0x12345678;
 
     auto& framebuffer_top = regs.framebuffer_config[0];