diff --git a/crates/fparkan-texm/src/lib.rs b/crates/fparkan-texm/src/lib.rs
index 8747737..3578dd0 100644
--- a/crates/fparkan-texm/src/lib.rs
+++ b/crates/fparkan-texm/src/lib.rs
@@ -825,17 +825,17 @@ fn decode_luminance_alpha88(word: u16) -> [u8; 4] {
 }
 
 fn decode_rgb888x(dword: u32) -> [u8; 4] {
-    let red = u8::try_from(dword & 0xFF).unwrap_or(u8::MAX);
+    let red = u8::try_from((dword >> 16) & 0xFF).unwrap_or(u8::MAX);
     let green = u8::try_from((dword >> 8) & 0xFF).unwrap_or(u8::MAX);
-    let blue = u8::try_from((dword >> 16) & 0xFF).unwrap_or(u8::MAX);
+    let blue = u8::try_from(dword & 0xFF).unwrap_or(u8::MAX);
     [red, green, blue, 255]
 }
 
 fn decode_argb8888(dword: u32) -> [u8; 4] {
-    let alpha = u8::try_from(dword & 0xFF).unwrap_or(u8::MAX);
-    let red = u8::try_from((dword >> 8) & 0xFF).unwrap_or(u8::MAX);
-    let green = u8::try_from((dword >> 16) & 0xFF).unwrap_or(u8::MAX);
-    let blue = u8::try_from((dword >> 24) & 0xFF).unwrap_or(u8::MAX);
+    let alpha = u8::try_from((dword >> 24) & 0xFF).unwrap_or(u8::MAX);
+    let red = u8::try_from((dword >> 16) & 0xFF).unwrap_or(u8::MAX);
+    let green = u8::try_from((dword >> 8) & 0xFF).unwrap_or(u8::MAX);
+    let blue = u8::try_from(dword & 0xFF).unwrap_or(u8::MAX);
     [red, green, blue, alpha]
 }
 
@@ -906,6 +906,53 @@ mod tests {
         }
     }
 
+    #[test]
+    fn decodes_8888_and_888x_in_native_argb_dword_order() {
+        let transparent_white_bytes = [0xFF, 0xFF, 0xFF, 0x00];
+        let transparent_white = decode_texm(Arc::from(
+            payload(1, 1, 8888, &[&transparent_white_bytes]).into_boxed_slice(),
+        ))
+        .expect("8888 transparent white texture");
+        assert_eq!(
+            decode_mip_rgba8(&transparent_white, 0)
+                .expect("decode transparent white")
+                .rgba8,
+            [0xFF, 0xFF, 0xFF, 0x00]
+        );
+
+        let argb_bytes = 0xF123_4567_u32.to_le_bytes();
+        let argb = decode_texm(Arc::from(
+            payload(1, 1, 8888, &[&argb_bytes]).into_boxed_slice(),
+        ))
+        .expect("8888 ARGB texture");
+        assert_eq!(
+            decode_mip_rgba8(&argb, 0).expect("decode ARGB").rgba8,
+            [0x23, 0x45, 0x67, 0xF1]
+        );
+
+        let rgb888x_bytes = [0x67, 0x45, 0x23, 0xA9];
+        let rgb888x = decode_texm(Arc::from(
+            payload(1, 1, 888, &[&rgb888x_bytes]).into_boxed_slice(),
+        ))
+        .expect("888 RGB texture");
+        assert_eq!(rgb888x.mip_level(0).expect("raw mip").bytes, rgb888x_bytes);
+        assert_eq!(
+            decode_mip_rgba8(&rgb888x, 0).expect("decode RGB888X").rgba8,
+            [0x23, 0x45, 0x67, 0xFF]
+        );
+
+        let native_4444 = decode_texm(Arc::from(
+            payload(1, 1, 4444, &[&0xF246_u16.to_le_bytes()]).into_boxed_slice(),
+        ))
+        .expect("4444 ARGB texture");
+        assert_eq!(
+            decode_mip_rgba8(&native_4444, 0)
+                .expect("decode native 4444")
+                .rgba8,
+            [0x22, 0x44, 0x66, 0xFF]
+        );
+    }
+
     #[test]
     fn rejects_zero_dimensions() {
         let err = decode_texm(Arc::from(
@@ -972,7 +1019,7 @@ mod tests {
         );
         assert_eq!(
             decode_mip_rgba8(&document, 0).expect("rgba").rgba8,
-            vec![0x11, 0x22, 0x33, 0xFF]
+            vec![0x33, 0x22, 0x11, 0xFF]
         );
     }
 
diff --git a/docs/reference/texm.md b/docs/reference/texm.md
index db4321e..9f2f23d 100644
--- a/docs/reference/texm.md
+++ b/docs/reference/texm.md
@@ -24,12 +24,16 @@ struct TexmHeader32 {
 556    R5 G5 B6
 4444   A4 R4 G4 B4
 88     L8 A8
-888    RGB8 in four-byte element
-8888   A8 R8 G8 B8
+888    packed 0xXXRRGGBB; little-endian bytes [B,G,R,X], RGBA output uses alpha 255
+8888   packed 0xAARRGGBB; little-endian bytes [B,G,R,A], decoded as RGBA
 ```
 
 Короткие каналы расширяются до 8 bits повторением значимых bits. Для 888
-служебный четвёртый byte сохраняется при roundtrip.
+служебный четвёртый byte сохраняется в raw mip, но не попадает в RGBA output.
+Native Ngi32 code confirms this layout: VA `0x10005930` packs `0xAARRGGBB` into
+ARGB4444, while VA `0x1000F620`/`0x1000F70C` route 888/8888 through the byte-copy
+path at `0x1000F730`, without a channel swizzle. On disk, little-endian bytes
+are `[B,G,R,A]` for 8888 and `[B,G,R,X]` for 888.
 
 ## Layout
 
diff --git a/docs/tomes/05-render.md b/docs/tomes/05-render.md
index 16dd94f..a3beb02 100644
--- a/docs/tomes/05-render.md
+++ b/docs/tomes/05-render.md
@@ -521,14 +521,18 @@ struct TexmHeader32 {
 556    R5 G5 B6
 4444   A4 R4 G4 B4
 88     L8 A8
-888    RGB8 в четырёхбайтовом element
-8888   A8 R8 G8 B8
+888    packed 0xXXRRGGBB; little-endian bytes [B,G,R,X], RGBA output использует alpha 255
+8888   packed 0xAARRGGBB; little-endian bytes [B,G,R,A], декодируется как RGBA
 ```
 
 Formats 556 и 88 являются loader-confirmed, но не corpus-verified для
 доступных игровых payload. CPU decoder расширяет короткие каналы до 8 bit через
 повторение значимых bit, а не простым shift. Для 888 служебный четвёртый byte
-сохраняется при roundtrip.
+сохраняется в raw mip, но не попадает в RGBA output.
+Нативный код Ngi32 подтверждает layout: VA `0x10005930` упаковывает
+`0xAARRGGBB` в ARGB4444, а VA `0x1000F620`/`0x1000F70C` направляют 888/8888
+по byte-copy пути `0x1000F730` без перестановки каналов. На диске little-endian
+байты имеют порядок `[B,G,R,A]` для 8888 и `[B,G,R,X]` для 888.
 
 Layout: