From fd5722a31e7091a0a4829dbf6666a32549a5fdb9 Mon Sep 17 00:00:00 2001
From: Admentus <robin.hallink@gmail.com>
Date: Fri, 16 Jan 2026 18:46:14 +0100
Subject: [PATCH] Disable OS VI Dither Filter

---
 src/boot/idle.c     | 2 +-
 src/boot/viconfig.c | 2 +-
 src/code/graph.c    | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/boot/idle.c b/src/boot/idle.c
index 49a3f384b4..6582a46b0a 100644
--- a/src/boot/idle.c
+++ b/src/boot/idle.c
@@ -87,7 +87,7 @@ void Idle_ThreadEntry(void* arg) {
     osCreateViManager(OS_PRIORITY_VIMGR);
 
 #if OOT_VERSION >= PAL_1_0
-    gViConfigFeatures = OS_VI_GAMMA_OFF | OS_VI_DITHER_FILTER_ON;
+    gViConfigFeatures = OS_VI_GAMMA_OFF | OS_VI_DITHER_FILTER_OFF;
     gViConfigXScale = 1.0f;
     gViConfigYScale = 1.0f;
 #endif
diff --git a/src/boot/viconfig.c b/src/boot/viconfig.c
index 0381f57f30..84042e04b5 100644
--- a/src/boot/viconfig.c
+++ b/src/boot/viconfig.c
@@ -5,7 +5,7 @@
 s8 D_80009430 = 1;
 vu8 gViConfigBlack = true;
 u8 gViConfigAdditionalScanLines = 0;
-u32 gViConfigFeatures = OS_VI_DITHER_FILTER_ON | OS_VI_GAMMA_OFF;
+u32 gViConfigFeatures = OS_VI_DITHER_FILTER_OFF | OS_VI_GAMMA_OFF;
 f32 gViConfigXScale = 1.0;
 f32 gViConfigYScale = 1.0;
 
diff --git a/src/code/graph.c b/src/code/graph.c
index 8139c7341c..112c4b9298 100644
--- a/src/code/graph.c
+++ b/src/code/graph.c
@@ -178,7 +178,7 @@ void Graph_Init(GraphicsContext* gfxCtx) {
     gfxCtx->viMode = NULL;
 
 #if OOT_VERSION < PAL_1_0
-    gfxCtx->viFeatures = 0;
+    gfxCtx->viFeatures = OS_VI_GAMMA_OFF | OS_VI_DITHER_FILTER_OFF;
 #else
     gfxCtx->viFeatures = gViConfigFeatures;
     gfxCtx->xScale = gViConfigXScale;