From 04fdee9d5a8883669f24e43d3a58c864757d67d6 Mon Sep 17 00:00:00 2001
From: PJB3005 <pieterjan.briers+git@gmail.com>
Date: Tue, 24 Feb 2026 14:08:15 +0100
Subject: [PATCH] Fix mDoPrintf_vprintf_Interrupt on 64-bit

This is an ABI hazard so I'm just gonna call vprintf directly.
---
 src/m_Do/m_Do_printf.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/m_Do/m_Do_printf.cpp b/src/m_Do/m_Do_printf.cpp
index 154d54c737..13b2d070ce 100644
--- a/src/m_Do/m_Do_printf.cpp
+++ b/src/m_Do/m_Do_printf.cpp
@@ -124,9 +124,13 @@ void mDoPrintf_vprintf_Interrupt(char const* fmt, va_list args) {
     BOOL interruptStatus = OSDisableInterrupts();
     if (!data_80450BB5) {
         data_80450BB5 = true;
+#if TARGET_PC
+        vprintf(fmt, args);
+#else
         uintptr_t var_r29 = (uintptr_t)&mDoPrintf_FiberStack + sizeof(mDoPrintf_FiberStack);
         OSSwitchFiberEx((uintptr_t)fmt, (uintptr_t)args, 0, 0, (uintptr_t)vprintf,
                         var_r29);
+#endif
         data_80450BB5 = false;
     }
     OSRestoreInterrupts(interruptStatus);