diff --git a/dlls/wined3d/baseshader.c b/dlls/wined3d/baseshader.c
index 0c2ede1..4b9c445 100644
--- a/dlls/wined3d/baseshader.c
+++ b/dlls/wined3d/baseshader.c
@@ -956,14 +956,27 @@
     }
     else if (reg->type != WINED3DSPR_RASTOUT && reg->type != WINED3DSPR_MISCTYPE)
     {
-        if (reg->rel_addr)
+        if (reg->array_idx != ~0U)
         {
-            TRACE("[");
-            shader_dump_src_param(reg->rel_addr, shader_version);
-            TRACE(" + ");
+            TRACE("%u[%u", offset, reg->array_idx);
+            if (reg->rel_addr)
+            {
+                TRACE(" + ");
+                shader_dump_src_param(reg->rel_addr, shader_version);
+            }
+            TRACE("]");
         }
-        TRACE("%u", offset);
-        if (reg->rel_addr) TRACE("]");
+        else
+        {
+            if (reg->rel_addr)
+            {
+                TRACE("[");
+                shader_dump_src_param(reg->rel_addr, shader_version);
+                TRACE(" + ");
+            }
+            TRACE("%u", offset);
+            if (reg->rel_addr) TRACE("]");
+        }
     }
 }
 
diff --git a/dlls/wined3d/shader_sm1.c b/dlls/wined3d/shader_sm1.c
index a626d52..ead2769 100644
--- a/dlls/wined3d/shader_sm1.c
+++ b/dlls/wined3d/shader_sm1.c
@@ -349,6 +349,7 @@
     src->reg.type = ((param & WINED3DSP_REGTYPE_MASK) >> WINED3DSP_REGTYPE_SHIFT)
             | ((param & WINED3DSP_REGTYPE_MASK2) >> WINED3DSP_REGTYPE_SHIFT2);
     src->reg.idx = param & WINED3DSP_REGNUM_MASK;
+    src->reg.array_idx = ~0U;
     src->swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
     src->modifiers = (param & WINED3DSP_SRCMOD_MASK) >> WINED3DSP_SRCMOD_SHIFT;
     src->reg.rel_addr = rel_addr;
@@ -360,6 +361,7 @@
     dst->reg.type = ((param & WINED3DSP_REGTYPE_MASK) >> WINED3DSP_REGTYPE_SHIFT)
             | ((param & WINED3DSP_REGTYPE_MASK2) >> WINED3DSP_REGTYPE_SHIFT2);
     dst->reg.idx = param & WINED3DSP_REGNUM_MASK;
+    dst->reg.array_idx = ~0U;
     dst->write_mask = (param & WINED3D_SM1_WRITEMASK_MASK) >> WINED3D_SM1_WRITEMASK_SHIFT;
     dst->modifiers = (param & WINED3DSP_DSTMOD_MASK) >> WINED3DSP_DSTMOD_SHIFT;
     dst->shift = (param & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
diff --git a/dlls/wined3d/shader_sm4.c b/dlls/wined3d/shader_sm4.c
index 5cc445d..57a365b 100644
--- a/dlls/wined3d/shader_sm4.c
+++ b/dlls/wined3d/shader_sm4.c
@@ -28,6 +28,9 @@
 
 #define WINED3D_SM4_OPCODE_MASK                 0xff
 
+#define WINED3D_SM4_REGISTER_ORDER_SHIFT        20
+#define WINED3D_SM4_REGISTER_ORDER_MASK         (0x3 << WINED3D_SM4_REGISTER_ORDER_SHIFT)
+
 #define WINED3D_SM4_REGISTER_TYPE_SHIFT         12
 #define WINED3D_SM4_REGISTER_TYPE_MASK          (0xf << WINED3D_SM4_REGISTER_TYPE_SHIFT)
 
@@ -265,6 +268,7 @@
     struct wined3d_sm4_data *priv = data;
     DWORD token = *(*ptr)++;
     enum wined3d_sm4_register_type register_type;
+    DWORD order;
 
     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
@@ -277,6 +281,16 @@
         src_param->reg.type = register_type_table[register_type];
     }
 
+    order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
+
+    if (order < 1) src_param->reg.idx = ~0U;
+    else src_param->reg.idx = *(*ptr)++;
+
+    if (order < 2) src_param->reg.array_idx = ~0U;
+    else src_param->reg.array_idx = *(*ptr)++;
+
+    if (order > 2) FIXME("Unhandled order %u.\n", order);
+
     if (register_type == WINED3D_SM4_RT_IMMCONST)
     {
         enum wined3d_sm4_immconst_type immconst_type =
@@ -304,7 +318,6 @@
     }
     else
     {
-        src_param->reg.idx = *(*ptr)++;
         src_param->swizzle = (token & WINED3D_SM4_SWIZZLE_MASK) >> WINED3D_SM4_SWIZZLE_SHIFT;
     }
 
@@ -319,8 +332,8 @@
 {
     struct wined3d_sm4_data *priv = data;
     DWORD token = *(*ptr)++;
-    UINT register_idx = *(*ptr)++;
     enum wined3d_sm4_register_type register_type;
+    DWORD order;
 
     register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
     if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
@@ -333,7 +346,16 @@
         dst_param->reg.type = register_type_table[register_type];
     }
 
-    dst_param->reg.idx = register_idx;
+    order = (token & WINED3D_SM4_REGISTER_ORDER_MASK) >> WINED3D_SM4_REGISTER_ORDER_SHIFT;
+
+    if (order < 1) dst_param->reg.idx = ~0U;
+    else dst_param->reg.idx = *(*ptr)++;
+
+    if (order < 2) dst_param->reg.array_idx = ~0U;
+    else dst_param->reg.array_idx = *(*ptr)++;
+
+    if (order > 2) FIXME("Unhandled order %u.\n", order);
+
     dst_param->write_mask = (token & WINED3D_SM4_WRITEMASK_MASK) >> WINED3D_SM4_WRITEMASK_SHIFT;
     dst_param->modifiers = 0;
     dst_param->shift = 0;
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 68f2e4c..1e9aa93 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -670,6 +670,7 @@
 {
     WINED3DSHADER_PARAM_REGISTER_TYPE type;
     UINT idx;
+    UINT array_idx;
     const struct wined3d_shader_src_param *rel_addr;
     enum wined3d_immconst_type immconst_type;
     DWORD immconst_data[4];