diff --git a/libruntimeiospatch/API b/libruntimeiospatch/API
index 2239c39..e60d0d7 100644
--- a/libruntimeiospatch/API
+++ b/libruntimeiospatch/API
@@ -27,6 +27,10 @@ This function can be used to keep HW_AHBPROT access when going to reload IOS
 
 >> Flags: [bool]verbose (whether to print messages on-screen)
 
+>> Return:
+-5: no HW_AHBPROT access
+>0: success
+
 ******
 if(have_ahbprot()) {
 	s32 ret;
@@ -50,6 +54,10 @@ This function applies patches on current IOS
           [bool]vwii (whether to apply extra vWii patches)
           [bool]verbose (whether to print messages on-screen)
 
+>> Return:
+-5: no HW_AHBPROT access
+>0: success (return equals to number of applied patches)
+
 << Patchsets:
 Wii:
     * DI Readlimit
@@ -91,8 +99,30 @@ This function combines IosPatch_AHBPROT + IOS_ReloadIOS + IosPatch_RUNTIME
           [bool]verbose (whether to print messages on-screen)
           [int]ios (which IOS to reload into)
 
+>> Return:
+-5: no HW_AHBPROT access
+-7: patching HW_AHBPROT access failed
+>0: success (return equals to number of applied patches)
+
 ******
 If(have_ahbprot()) {
 	IosPatch_FULL(true, false, false, false, 58);
 }
-******
\ No newline at end of file
+******
+
+libruntimeiospatch 1.2:
+
+======================================
+=== get_libruntimeiospatch_version ===
+======================================
+
+This function returns the version of libruntimeiospatch in MMM format.
+
+MMM = MajorMinorMicro. 1.2 = 120, 1.9.1 = 191, and so on.
+
+>> Flags: none
+
+******
+int lrip = 0;
+lrip = get_libruntimeiospatch_version()
+******
diff --git a/libruntimeiospatch/CHANGES b/libruntimeiospatch/CHANGES
new file mode 100644
index 0000000..634a40b
--- /dev/null
+++ b/libruntimeiospatch/CHANGES
@@ -0,0 +1,17 @@
+1,2:
+[NEW]	get_libruntimeiospatch_version()
+[MOD]	IosPatch_AHBPROT() - return code re-work
+[MOD]	IosPatch_RUNTIME() - return code re-work
+[MOD]	IosPatch_FULL() - retun code re-work
+[MOD]	API doc file updated
+[NEW]	CHANGES doc file
+
+1.1:
+[NEW]	IosPatch_FULL()
+[MOD]	IosPatch_AHBPROT() - proper return work
+[NEW]	API doc file
+
+1.0: initial release
+[NEW]	have_ahbprot()
+[NEW]	IosPatch_AHBPROT()
+[NEW]	IosPatch_RUNTIME()
diff --git a/libruntimeiospatch/source/runtimeiospatch.c b/libruntimeiospatch/source/runtimeiospatch.c
index 8ad50c9..1589825 100644
--- a/libruntimeiospatch/source/runtimeiospatch.c
+++ b/libruntimeiospatch/source/runtimeiospatch.c
@@ -14,6 +14,10 @@
 
 //const u8 check_tmd_patch1[] = { 0x23, 0x01, 0x42, 0x5B };
 
+int get_libruntimeiospatch_version() {
+	return 120;
+}
+
 bool have_ahbprot() {
 	if(!HAVE_AHBPROT)
 		return false;
@@ -112,25 +116,29 @@ static u32 apply_patch(char *name, const u8 *old, u32 old_size, const u8 *patch,
 
 u32 IosPatch_AHBPROT(bool verbose) {
     s32 ret = 0;
+    s32 xret = 0;
 
     if (have_ahbprot()) {
         disable_memory_protection();
         //return apply_patch("set_ahbprot", check_tmd_old, sizeof(check_tmd_old), check_tmd_patch, sizeof(check_tmd_patch), 6, verbose);
         ret = apply_patch("es_set_ahbprot", es_set_ahbprot_old, sizeof(es_set_ahbprot_old), es_set_ahbprot_patch, sizeof(es_set_ahbprot_patch), 25, verbose);
-        return ret;
+	xret = ret;
+    } else {
+	xret = -5;
     }
-    return 0;
+    return xret;
 }
 
 u32 IosPatch_RUNTIME(bool wii, bool sciifii, bool vwii, bool verbose) {
     u32 count = 0;
+    u32 xret = 0;
 
     if (have_ahbprot()) {
         disable_memory_protection();
         if(wii)
         {
 	    if(verbose)
-            	printf(">> Applying standard Wii patches:\n");
+		printf(">> Applying standard Wii patches:\n");
             count += apply_patch("di_readlimit", di_readlimit_old, sizeof(di_readlimit_old), di_readlimit_patch, sizeof(di_readlimit_patch), 12, verbose);
             count += apply_patch("isfs_permissions", isfs_permissions_old, sizeof(isfs_permissions_old), isfs_permissions_patch, sizeof(isfs_permissions_patch), 0, verbose);
             count += apply_patch("es_setuid", setuid_old, sizeof(setuid_old), setuid_patch, sizeof(setuid_patch), 0, verbose);
@@ -160,25 +168,29 @@ u32 IosPatch_RUNTIME(bool wii, bool sciifii, bool vwii, bool verbose) {
             count += apply_patch("Kill_AntiSysTitleInstallv2_pt4", Kill_AntiSysTitleInstallv2_pt4_old, sizeof(Kill_AntiSysTitleInstallv2_pt4_old), Kill_AntiSysTitleInstallv2_pt4_patch, sizeof(Kill_AntiSysTitleInstallv2_pt4_patch), 0, verbose);
             count += apply_patch("Kill_AntiSysTitleInstallv2_pt5", Kill_AntiSysTitleInstallv2_pt5_old, sizeof(Kill_AntiSysTitleInstallv2_pt5_old), Kill_AntiSysTitleInstallv2_pt5_patch, sizeof(Kill_AntiSysTitleInstallv2_pt5_patch), 0, verbose);
 	}
+    xret = count;
+    } else {
+        xret = -5;
     }
-    return count;
+    return xret;
 }
 
 u32 IosPatch_FULL(bool wii, bool sciifii, bool vwii, bool verbose, int IOS) {
-
-    s32 count = 0;
     s32 ret = 0;
+    s32 xret = 0;
 
     if (have_ahbprot())
-        ret = IosPatch_AHBPROT(verbose);
+	ret = IosPatch_AHBPROT(verbose);
+    else
+	return -5;
 
     if (ret) {
         IOS_ReloadIOS(IOS);
+	xret = IosPatch_RUNTIME(wii, sciifii, vwii, verbose);
     } else {
-        return 0;
+        xret = -7;
     }
 
-    count = IosPatch_RUNTIME(wii, sciifii, vwii, verbose);
-    return count;
+    return xret;
 
 }
diff --git a/libruntimeiospatch/source/runtimeiospatch.h b/libruntimeiospatch/source/runtimeiospatch.h
index ff72b09..34269b6 100644
--- a/libruntimeiospatch/source/runtimeiospatch.h
+++ b/libruntimeiospatch/source/runtimeiospatch.h
@@ -11,6 +11,7 @@ bool have_ahbprot();
 u32 IosPatch_AHBPROT(bool verbose);
 u32 IosPatch_RUNTIME(bool wii, bool sciifii, bool vwii, bool verbose);
 u32 IosPatch_FULL(bool wii, bool sciifii, bool vwii, bool verbose, int IOS);
+int get_libruntimeiospatch_version();
 
 #ifdef __cplusplus
 }