diff --git a/src/video_core/pica/pica_core.cpp b/src/video_core/pica/pica_core.cpp
index cf7802f0f..0b12e2ae1 100644
--- a/src/video_core/pica/pica_core.cpp
+++ b/src/video_core/pica/pica_core.cpp
@@ -35,7 +35,7 @@ PicaCore::PicaCore(Memory::MemorySystem& memory_, std::shared_ptr<DebugContext>
                                                                                    gs_unit,
                                                                                    gs_setup},
       shader_engine{CreateEngine(Settings::values.use_shader_jit.GetValue())} {
-    SetFramebufferDefaults();
+    InitializeRegs();
 
     const auto submit_vertex = [this](const AttributeBuffer& buffer) {
         const auto add_triangle = [this](const OutputVertex& v0, const OutputVertex& v1,
@@ -54,7 +54,7 @@ PicaCore::PicaCore(Memory::MemorySystem& memory_, std::shared_ptr<DebugContext>
 
 PicaCore::~PicaCore() = default;
 
-void PicaCore::SetFramebufferDefaults() {
+void PicaCore::InitializeRegs() {
     auto& framebuffer_top = regs.framebuffer_config[0];
     auto& framebuffer_sub = regs.framebuffer_config[1];
 
@@ -77,6 +77,9 @@ void PicaCore::SetFramebufferDefaults() {
     framebuffer_sub.stride = 3 * 240;
     framebuffer_sub.color_format.Assign(PixelFormat::RGB8);
     framebuffer_sub.active_fb = 0;
+
+    // Tales of Abyss expects this register to have the following default value.
+    regs.internal.gs.input_buffer_config = 0xa0000001;
 }
 
 void PicaCore::BindRasterizer(VideoCore::RasterizerInterface* rasterizer) {
diff --git a/src/video_core/pica/pica_core.h b/src/video_core/pica/pica_core.h
index b35ec7b08..cfd43f5a6 100644
--- a/src/video_core/pica/pica_core.h
+++ b/src/video_core/pica/pica_core.h
@@ -39,7 +39,7 @@ public:
     void ProcessCmdList(PAddr list, u32 size);
 
 private:
-    void SetFramebufferDefaults();
+    void InitializeRegs();
 
     void WriteInternalReg(u32 id, u32 value, u32 mask);
 
diff --git a/src/video_core/pica/regs_shader.h b/src/video_core/pica/regs_shader.h
index b3091000e..3e49e00a3 100644
--- a/src/video_core/pica/regs_shader.h
+++ b/src/video_core/pica/regs_shader.h
@@ -35,7 +35,7 @@ struct ShaderRegs {
 
     union {
         // Number of input attributes to shader unit - 1
-        u32 raw{0xa0000001};
+        u32 input_buffer_config;
         BitField<0, 4, u32> max_input_attribute_index;
         BitField<8, 8, u32> input_to_uniform;
         BitField<24, 8, ShaderMode> shader_mode;
diff --git a/src/video_core/rasterizer_cache/texture_codec.h b/src/video_core/rasterizer_cache/texture_codec.h
index 01e90f461..76ac6d996 100644
--- a/src/video_core/rasterizer_cache/texture_codec.h
+++ b/src/video_core/rasterizer_cache/texture_codec.h
@@ -341,8 +341,8 @@ static constexpr void MortonCopy(u32 width, u32 height, u32 start_offset, u32 en
  */
 template <bool decode, PixelFormat format, bool converted = false>
 static constexpr void LinearCopy(std::span<u8> src_buffer, std::span<u8> dst_buffer) {
-    const std::size_t src_size = src_buffer.size();
-    const std::size_t dst_size = dst_buffer.size();
+    std::size_t src_size = src_buffer.size();
+    std::size_t dst_size = dst_buffer.size();
 
     if constexpr (converted) {
         constexpr u32 encoded_bytes_per_pixel = GetFormatBpp(format) / 8;
@@ -352,6 +352,9 @@ static constexpr void LinearCopy(std::span<u8> src_buffer, std::span<u8> dst_buf
         constexpr u32 dst_bytes_per_pixel =
             decode ? decoded_bytes_per_pixel : encoded_bytes_per_pixel;
 
+        src_size = Common::AlignDown(src_size, src_bytes_per_pixel);
+        dst_size = Common::AlignDown(dst_size, dst_bytes_per_pixel);
+
         for (std::size_t src_index = 0, dst_index = 0; src_index < src_size && dst_index < dst_size;
              src_index += src_bytes_per_pixel, dst_index += dst_bytes_per_pixel) {
             const auto src_pixel = src_buffer.subspan(src_index, src_bytes_per_pixel);