diff --git a/hw/xbox/nv2a.c b/hw/xbox/nv2a.c
index 4416506485..f635874c2a 100644
--- a/hw/xbox/nv2a.c
+++ b/hw/xbox/nv2a.c
@@ -941,6 +941,7 @@
 #       define NV097_SET_TEXTURE_FORMAT_DIMENSIONALITY            0x000000F0
 #       define NV097_SET_TEXTURE_FORMAT_COLOR                     0x0000FF00
 #           define NV097_SET_TEXTURE_FORMAT_COLOR_SZ_Y8             0x00
+#           define NV097_SET_TEXTURE_FORMAT_COLOR_SZ_AY8            0x01
 #           define NV097_SET_TEXTURE_FORMAT_COLOR_SZ_A1R5G5B5       0x02
 #           define NV097_SET_TEXTURE_FORMAT_COLOR_SZ_X1R5G5B5       0x03
 #           define NV097_SET_TEXTURE_FORMAT_COLOR_SZ_A4R4G4B4       0x04
@@ -957,6 +958,7 @@
 #           define NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_Y8       0x13
 #           define NV097_SET_TEXTURE_FORMAT_COLOR_SZ_A8             0x19
 #           define NV097_SET_TEXTURE_FORMAT_COLOR_SZ_A8Y8           0x1A
+#           define NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_AY8      0x1B
 #           define NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_X1R5G5B5 0x1C
 #           define NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_A4R4G4B4 0x1D
 #           define NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_X8R8G8B8 0x1E
@@ -1181,6 +1183,9 @@ static const ColorFormatInfo kelvin_color_format_map[66] = {
     [NV097_SET_TEXTURE_FORMAT_COLOR_SZ_Y8] =
         {1, false, GL_R8, GL_RED, GL_UNSIGNED_BYTE,
          {GL_RED, GL_RED, GL_RED, GL_ONE}},
+    [NV097_SET_TEXTURE_FORMAT_COLOR_SZ_AY8] =
+        {1, false, GL_R8, GL_RED, GL_UNSIGNED_BYTE,
+         {GL_RED, GL_RED, GL_RED, GL_RED}},
     [NV097_SET_TEXTURE_FORMAT_COLOR_SZ_A1R5G5B5] =
         {2, false, GL_RGB5_A1, GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV},
     [NV097_SET_TEXTURE_FORMAT_COLOR_SZ_X1R5G5B5] =
@@ -1220,7 +1225,9 @@ static const ColorFormatInfo kelvin_color_format_map[66] = {
     [NV097_SET_TEXTURE_FORMAT_COLOR_SZ_A8Y8] =
         {2, false, GL_RG8, GL_RG, GL_UNSIGNED_BYTE,
          {GL_GREEN, GL_GREEN, GL_GREEN, GL_RED}},
-
+    [NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_AY8] =
+        {1, true, GL_R8, GL_RED, GL_UNSIGNED_BYTE,
+         {GL_RED, GL_RED, GL_RED, GL_RED}},
     [NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_X1R5G5B5] =
         {2, true, GL_RGB5, GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV},
     [NV097_SET_TEXTURE_FORMAT_COLOR_LU_IMAGE_A4R4G4B4] =