diff --git a/modules/debug/ioptrap/handler.s b/modules/debug/ioptrap/handler.S
similarity index 100%
rename from modules/debug/ioptrap/handler.s
rename to modules/debug/ioptrap/handler.S
diff --git a/modules/ds34bt/iop/smsutils.s b/modules/ds34bt/iop/smsutils.S
similarity index 99%
rename from modules/ds34bt/iop/smsutils.s
rename to modules/ds34bt/iop/smsutils.S
index 3de679964..ac2111cf6 100644
--- a/modules/ds34bt/iop/smsutils.s
+++ b/modules/ds34bt/iop/smsutils.S
@@ -7,6 +7,9 @@
 # Pulled out 'sde' library from MIPS.
 # by Eugene Plotnikov
 */
+
+#include "as_reg_compat.h"
+
 .ifdef .gasversion.
 .section .mdebug.abi32
 .nan legacy
@@ -175,4 +178,3 @@ mips_memset:
 _dummy:
     jr      $ra
     nop
-    
\ No newline at end of file
diff --git a/modules/ds34usb/iop/smsutils.s b/modules/ds34usb/iop/smsutils.S
similarity index 99%
rename from modules/ds34usb/iop/smsutils.s
rename to modules/ds34usb/iop/smsutils.S
index 3de679964..ac2111cf6 100644
--- a/modules/ds34usb/iop/smsutils.s
+++ b/modules/ds34usb/iop/smsutils.S
@@ -7,6 +7,9 @@
 # Pulled out 'sde' library from MIPS.
 # by Eugene Plotnikov
 */
+
+#include "as_reg_compat.h"
+
 .ifdef .gasversion.
 .section .mdebug.abi32
 .nan legacy
@@ -175,4 +178,3 @@ mips_memset:
 _dummy:
     jr      $ra
     nop
-    
\ No newline at end of file
diff --git a/modules/iopcore/cdvdman/smsutils.s b/modules/iopcore/cdvdman/smsutils.S
similarity index 99%
rename from modules/iopcore/cdvdman/smsutils.s
rename to modules/iopcore/cdvdman/smsutils.S
index 3de679964..ac2111cf6 100644
--- a/modules/iopcore/cdvdman/smsutils.s
+++ b/modules/iopcore/cdvdman/smsutils.S
@@ -7,6 +7,9 @@
 # Pulled out 'sde' library from MIPS.
 # by Eugene Plotnikov
 */
+
+#include "as_reg_compat.h"
+
 .ifdef .gasversion.
 .section .mdebug.abi32
 .nan legacy
@@ -175,4 +178,3 @@ mips_memset:
 _dummy:
     jr      $ra
     nop
-    
\ No newline at end of file
diff --git a/modules/iopcore/patches/iremsndpatch/asm.S b/modules/iopcore/patches/iremsndpatch/asm.S
index 35b50ef29..7b81c7e7b 100644
--- a/modules/iopcore/patches/iremsndpatch/asm.S
+++ b/modules/iopcore/patches/iremsndpatch/asm.S
@@ -1,3 +1,5 @@
+#include "as_reg_compat.h"
+
 .set noreorder
 
 .text
diff --git a/modules/iopcore/udnl-t300/udnl_asm.s b/modules/iopcore/udnl-t300/udnl_asm.S
similarity index 99%
rename from modules/iopcore/udnl-t300/udnl_asm.s
rename to modules/iopcore/udnl-t300/udnl_asm.S
index df7fbb79a..3b77627f5 100644
--- a/modules/iopcore/udnl-t300/udnl_asm.s
+++ b/modules/iopcore/udnl-t300/udnl_asm.S
@@ -1,3 +1,5 @@
+#include "as_reg_compat.h"
+
 .set noat
 .set noreorder
 
diff --git a/modules/iopcore/udnl/udnl_asm.s b/modules/iopcore/udnl/udnl_asm.S
similarity index 99%
rename from modules/iopcore/udnl/udnl_asm.s
rename to modules/iopcore/udnl/udnl_asm.S
index 4ca9da2a3..91e22df8a 100644
--- a/modules/iopcore/udnl/udnl_asm.s
+++ b/modules/iopcore/udnl/udnl_asm.S
@@ -1,3 +1,5 @@
+#include "as_reg_compat.h"
+
 .ifdef .gasversion.
 .section .mdebug.abi32
 .nan legacy
diff --git a/modules/network/SMSTCPIP/inet.s b/modules/network/SMSTCPIP/inet.S
similarity index 99%
rename from modules/network/SMSTCPIP/inet.s
rename to modules/network/SMSTCPIP/inet.S
index 81a92a11d..905ea5a3b 100644
--- a/modules/network/SMSTCPIP/inet.s
+++ b/modules/network/SMSTCPIP/inet.S
@@ -6,6 +6,9 @@
 # Licenced under Academic Free License version 2.0
 # Review ps2sdk README & LICENSE files for further details.
 #
+
+#include "as_reg_compat.h"
+
 .ifdef .gasversion.
 .section .mdebug.abi32
 .nan legacy
diff --git a/modules/network/SMSUTILS/SMSUTILS.s b/modules/network/SMSUTILS/SMSUTILS.S
similarity index 99%
rename from modules/network/SMSUTILS/SMSUTILS.s
rename to modules/network/SMSUTILS/SMSUTILS.S
index 7f71b3cd4..ef24a68cf 100644
--- a/modules/network/SMSUTILS/SMSUTILS.s
+++ b/modules/network/SMSUTILS/SMSUTILS.S
@@ -7,6 +7,9 @@
 # Pulled out 'sde' library from MIPS.
 #
 */
+
+#include "as_reg_compat.h"
+
 .ifdef .gasversion.
 .section .mdebug.abi32
 .nan legacy
diff --git a/modules/network/smap-ingame/xfer.c b/modules/network/smap-ingame/xfer.c
index 78f9630a2..a8a8bb8e1 100644
--- a/modules/network/smap-ingame/xfer.c
+++ b/modules/network/smap-ingame/xfer.c
@@ -93,37 +93,37 @@ static inline void CopyFromFIFO(volatile u8 *smap_regbase, void *buffer, unsigne
         ".set noreorder\n\t"
         ".set nomacro\n\t"
         ".set noat\n\t"
-        "lui      $v0, 0xB000\n\t"
+        "lui      $2, 0xB000\n\t"
         "srl      $at, %1, 5\n\t"
         "blez     $at, 3f\n\t"
         "andi     %1, %1, 0x1F\n\t"
         "4:\n\t"
-        "lw      $t0, 4608($v0)\n\t"
-        "lw      $t1, 4608($v0)\n\t"
-        "lw      $t2, 4608($v0)\n\t"
-        "lw      $t3, 4608($v0)\n\t"
-        "lw      $t4, 4608($v0)\n\t"
-        "lw      $t5, 4608($v0)\n\t"
-        "lw      $t6, 4608($v0)\n\t"
-        "lw      $t7, 4608($v0)\n\t"
+        "lw      $8, 4608($2)\n\t"
+        "lw      $9, 4608($2)\n\t"
+        "lw      $10, 4608($2)\n\t"
+        "lw      $11, 4608($2)\n\t"
+        "lw      $12, 4608($2)\n\t"
+        "lw      $13, 4608($2)\n\t"
+        "lw      $14, 4608($2)\n\t"
+        "lw      $15, 4608($2)\n\t"
         "addiu   $at, $at, -1\n\t"
-        "sw      $t0,  0(%0)\n\t"
-        "sw      $t1,  4(%0)\n\t"
-        "sw      $t2,  8(%0)\n\t"
-        "sw      $t3, 12(%0)\n\t"
-        "sw      $t4, 16(%0)\n\t"
-        "sw      $t5, 20(%0)\n\t"
-        "sw      $t6, 24(%0)\n\t"
-        "sw      $t7, 28(%0)\n\t"
+        "sw      $8,  0(%0)\n\t"
+        "sw      $9,  4(%0)\n\t"
+        "sw      $10,  8(%0)\n\t"
+        "sw      $11, 12(%0)\n\t"
+        "sw      $12, 16(%0)\n\t"
+        "sw      $13, 20(%0)\n\t"
+        "sw      $14, 24(%0)\n\t"
+        "sw      $15, 28(%0)\n\t"
         "bgtz    $at, 4b\n\t"
         "addiu   %0, %0, 32\n\t"
         "3:\n\t"
         "blez     %1, 1f\n\t"
         "nop\n\t"
         "2:\n\t"
-        "lw      $t0, 4608($v0)\n\t"
+        "lw      $8, 4608($2)\n\t"
         "addiu   %1, %1, -4\n\t"
-        "sw      $t0, 0(%0)\n\t"
+        "sw      $8, 0(%0)\n\t"
         "bgtz    %1, 2b\n\t"
         "addiu   %0, %0, 4\n\t"
         "1:\n\t"
@@ -210,28 +210,28 @@ int SMAPSendPacket(const void *data, unsigned int length)
             ".set nomacro\n\t"
             ".set noat\n\t"
             "srl     $at, %1, 4\n\t"
-            "lui     $v1, 0xB000\n\t"
+            "lui     $3, 0xB000\n\t"
             "beqz    $at, 3f\n\t"
             "andi    %1, %1, 0xF\n\t"
             "4:\n\t"
-            "lw      $t0,  0(%0)\n\t"
-            "lw      $t1,  4(%0)\n\t"
-            "lw      $t2,  8(%0)\n\t"
-            "lw      $t3, 12(%0)\n\t"
+            "lw      $8,  0(%0)\n\t"
+            "lw      $9,  4(%0)\n\t"
+            "lw      $10,  8(%0)\n\t"
+            "lw      $11, 12(%0)\n\t"
             "addiu   $at, $at, -1\n\t"
-            "sw      $t0, 4352($v1)\n\t"
-            "sw      $t1, 4352($v1)\n\t"
-            "sw      $t2, 4352($v1)\n\t"
+            "sw      $8, 4352($3)\n\t"
+            "sw      $9, 4352($3)\n\t"
+            "sw      $10, 4352($3)\n\t"
             "addiu   %0, %0, 16\n\t"
             "bgtz    $at, 4b\n\t"
-            "sw      $t3, 4352($v1)\n\t"
+            "sw      $11, 4352($3)\n\t"
             "3:\n\t"
             "beqz    %1, 1f\n\t"
             "nop\n\t"
             "2:\n\t"
-            "lw      $v0, 0(%0)\n\t"
+            "lw      $2, 0(%0)\n\t"
             "addiu   %1, %1, -4\n\t"
-            "sw      $v0, 4352($v1)\n\t"
+            "sw      $2, 4352($3)\n\t"
             "bnez    %1, 2b\n\t"
             "addiu   %0, %0, 4\n\t"
             "1:\n\t"