diff --git a/include/arm11/cheat.h b/include/arm11/cheat.h
index f3065b0..55640be 100644
--- a/include/arm11/cheat.h
+++ b/include/arm11/cheat.h
@@ -2,6 +2,7 @@
 #define _CHEAT_H_
 
 #include "types.h"
+#include "arm11/acl.h"
 
 typedef int     cheat_error_t;
 
@@ -9,6 +10,9 @@ typedef int     cheat_error_t;
 #define CCHT_NO_SPACE   1
 #define CCHT_NO_IRQ     2
 #define CCHT_NO_CHEAT   3
+#define CCHT_NO_MEM     4
+#define CCHT_NOT_INIT   5
+#define CCHT_INVALID    6
 
 #define CHEAT_MODE_DISABLED 0
 #define CHEAT_MODE_FULLTIME 1
@@ -16,9 +20,11 @@ typedef int     cheat_error_t;
 #define CHEAT_MODE_KEYONOFF 3
 #define CHEAT_MODE_SIZE     3
 
-cheat_error_t init_current_cheat( u32 id, u32 len );
-cheat_error_t put_current_cheat( u32 index, u32 entry_id );
-cheat_error_t get_current_cheat( u32 *id, u32 *len, u32 *entry_array );
+#define MAKE_ENTID(hole, key) ((key+1)<<16|(hole+1))
+
+cheat_error_t init_current_cheat( u32 id, u16 len );
+cheat_error_t put_current_cheat( acl_entryid_t entry_id );
+cheat_error_t get_current_cheat( u32 *id, u32 *len, void **entry_array );
 cheat_error_t fini_current_cheat();
 
 cheat_error_t push_current_cheat( const char *filename, int is_using );
diff --git a/source/arm11/cheat.c b/source/arm11/cheat.c
index 743e019..f6c2cf4 100644
--- a/source/arm11/cheat.c
+++ b/source/arm11/cheat.c
@@ -9,13 +9,63 @@
 typedef u32 instruction_t;
 
 typedef struct {
-    u32  chtId;
-    u16  entLen;
-    acl_index_t *entArr;
+    u32  chtId;             // acl_chtid_t
+    u16  entLen;            // entArr.length
+    acl_index_t *entArr;    // 下标表示hole，值表示key
 } CurrentCheat;
 
 static CurrentCheat setting = {0, 0, NULL};
 
+cheat_error_t init_current_cheat( u32 id, u16 len )
+{
+    if( setting.entArr ) fini_current_cheat();
+    if( id == 0 ) return CCHT_OK;
+
+    setting.chtId = id;
+    setting.entLen = len;
+    if( len )
+    {
+        acl_index_t *p = (acl_index_t*)malloc( len * sizeof(acl_index_t) );
+        if( p == NULL ) return CCHT_NO_MEM;
+        memset(p, 0, len*sizeof(acl_index_t));
+        setting.entArr = p;
+    }
+    return CCHT_OK;
+}
+
+cheat_error_t put_current_cheat( acl_entryid_t entid )
+{
+    if( setting.chtId == 0 ) return CCHT_NOT_INIT;
+    u16 index = entid & 0xffff;
+    u16 option = entid >> 16;
+    if( index == 0 ) return CCHT_INVALID;
+
+    if( index <= setting.entLen )
+    {
+        setting.entArr[index-1] = option;
+        return CCHT_OK;
+    }
+    else return CCHT_INVALID;
+}
+
+cheat_error_t get_current_cheat( u32 *id, u32 *len, void **entry_array )
+{
+    if( setting.chtId == 0 ) return CCHT_NOT_INIT;
+    *id = setting.chtId;
+    *len = setting.entLen;
+    *entry_array = setting.entArr;
+    return CCHT_OK;
+}
+
+cheat_error_t fini_current_cheat()
+{
+    if( setting.entArr ) free( setting.entArr );
+    setting.entArr = NULL;
+    setting.entLen = 0;
+    setting.chtId = 0;
+    return CCHT_OK;
+}
+
 typedef instruction_t* CodeLocation;
 #define CodeAtLocation(p) (*p)
 
@@ -25,7 +75,7 @@ typedef instruction_t* CodeLocation;
 
 #define GBACPU_PREFETCH  2
 #define GBACPU_PREFETCH_BYTE (sizeof(instruction_t)*GBACPU_PREFETCH)
-#define MAKE_ENT(lock, key) ((key+1)<<16|(lock+1))
+#define MAKE_ENT(hole,key) ((key<<16) | hole)
 
 const instruction_t HOOKPOINT_INSTR[] = {
     0xe92d8000, // STMDB sp!, {pc}
@@ -321,7 +371,7 @@ static void rom_append_cheatproc( int mode, CodeLocation start, u16 bindkey, u32
     *start++ = 0;
 }
 
-cheat_error_t apply_cheat( int mode, u32 szrom )
+cheat_error_t apply_cheat( int mode, u32 szrom, u16 bindkey, u32 storagemem )
 {
     // try ignore patch
     if( mode == CHEAT_MODE_DISABLED ) return CCHT_OK;
@@ -345,7 +395,7 @@ cheat_error_t apply_cheat( int mode, u32 szrom )
 
     // patching the rom
     rom_append_newirq( page, hookpoint, n_hookpoint );
-    rom_patch_hookpoint( page, hookpoint, n_hookpoint );     // FIXME: romdata+realend
-    rom_append_cheatproc( mode, page + n_hookpoint * IW_INSTR_LEN );
+    rom_patch_hookpoint( page, hookpoint, n_hookpoint );
+    rom_append_cheatproc( mode, page + n_hookpoint * IW_INSTR_LEN, bindkey, storagemem );
     return CCHT_OK;
 }
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