From 0fbb62d7dc0b16dc9bd8a79e77a215a8c5f03b7a Mon Sep 17 00:00:00 2001
From: PJB3005 <pieterjan.briers+git@gmail.com>
Date: Fri, 20 Mar 2026 18:05:17 +0100
Subject: [PATCH] Stop compiling some DSP-related files.

Replace it all with stubs.
---
 CMakeLists.txt             |  3 ++-
 files.cmake                |  4 ----
 src/dusk/audio/DspStub.cpp | 35 +++++++++++++++++++++++++++++++++++
 3 files changed, 37 insertions(+), 5 deletions(-)
 create mode 100644 src/dusk/audio/DspStub.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 12c4154994..1ee357e1a7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -89,7 +89,8 @@ add_library(game_debug STATIC ${JSYSTEM_DEBUG_FILES} ${SSYSTEM_FILES}
         src/dusk/audio/DuskDsp.hpp
         src/dusk/audio/DuskDsp.cpp
         src/dusk/audio/Adpcm.cpp
-        src/dusk/audio/Adpcm.hpp)
+        src/dusk/audio/Adpcm.hpp
+        src/dusk/audio/DspStub.cpp)
 target_compile_definitions(game_debug PRIVATE TARGET_PC AVOID_UB=1 VERSION=0 $<$<CONFIG:Debug>:DEBUG=1>)
 
 # Make these properties PUBLIC so that the regular game target also sees them.
diff --git a/files.cmake b/files.cmake
index cae7f66aed..2290f68b53 100644
--- a/files.cmake
+++ b/files.cmake
@@ -507,10 +507,6 @@ set(JSYSTEM_DEBUG_FILES
         libs/JSystem/src/JAudio2/JASDSPInterface.cpp
         libs/JSystem/src/JAudio2/JASDriverIF.cpp
         libs/JSystem/src/JAudio2/JASSoundParams.cpp
-        libs/JSystem/src/JAudio2/dspproc.cpp
-        libs/JSystem/src/JAudio2/dsptask.cpp
-        libs/JSystem/src/JAudio2/osdsp.cpp
-        libs/JSystem/src/JAudio2/osdsp_task.cpp
         libs/JSystem/src/JAudio2/JAIAudible.cpp
         libs/JSystem/src/JAudio2/JAIAudience.cpp
         libs/JSystem/src/JAudio2/JAISe.cpp
diff --git a/src/dusk/audio/DspStub.cpp b/src/dusk/audio/DspStub.cpp
new file mode 100644
index 0000000000..c2dec809f2
--- /dev/null
+++ b/src/dusk/audio/DspStub.cpp
@@ -0,0 +1,35 @@
+#include "JSystem/JAudio2/dspproc.h"
+#include "JSystem/JAudio2/osdsp_task.h"
+#include "JSystem/JAudio2/dsptask.h"
+#include "global.h"
+#include "os.h"
+
+void DSPReleaseHalt2(u32) {
+    CRASH("We do not directly emulate the DSP");
+}
+void DsetupTable(u32, u32, u32, u32, u32) {
+    // Nada.
+}
+void DsetMixerLevel(f32) {
+    // Nada for now, but maybe we should care about this?
+}
+void DsyncFrame2ch(u32, u32, u32) {
+    CRASH("We do not directly emulate the DSP");
+}
+void DsyncFrame4ch(u32, u32, u32, u32, u32) {
+    CRASH("We do not directly emulate the DSP");
+}
+
+void DspBoot(void (*)(void*)) {
+    CRASH("We do not directly emulate the DSP");
+}
+void DspFinishWork(u16) {
+    CRASH("We do not directly emulate the DSP");
+}
+int DSPSendCommands2(u32*, u32, void (*)(u16)) {
+    CRASH("We do not directly emulate the DSP");
+}
+
+void DsyncFrame2(u32, u32, u32) {
+    CRASH("We do not directly emulate the DSP");
+}