diff --git a/src/spice2x/CMakeLists.txt b/src/spice2x/CMakeLists.txt
index fa9aa2b..aaa4c7d 100644
--- a/src/spice2x/CMakeLists.txt
+++ b/src/spice2x/CMakeLists.txt
@@ -401,6 +401,10 @@ set(SOURCE_FILES ${SOURCE_FILES}
         games/nost/poke.cpp
         games/gitadora/gitadora.cpp
         games/gitadora/io.cpp
+        games/gitadora/handle.cpp
+        games/gitadora/j32d.cpp
+        games/gitadora/j33i.cpp
+        games/gitadora/bi2x_hook.cpp
         games/mga/mga.cpp
         games/mga/io.cpp
         games/mga/gunio.cpp
@@ -533,6 +537,7 @@ set(SOURCE_FILES ${SOURCE_FILES}
         misc/sciunit.cpp
         misc/sde.cpp
         misc/wintouchemu.cpp
+        misc/ami2000.cpp
 
         # nvapi
         nvapi/nvapi.cpp
diff --git a/src/spice2x/games/gitadora/bi2x_hook.cpp b/src/spice2x/games/gitadora/bi2x_hook.cpp
new file mode 100644
index 0000000..2ae60ae
--- /dev/null
+++ b/src/spice2x/games/gitadora/bi2x_hook.cpp
@@ -0,0 +1,664 @@
+#include "bi2x_hook.h"
+
+#include <cstdint>
+#include "util/detour.h"
+#include "util/logging.h"
+#include "rawinput/rawinput.h"
+#include "misc/eamuse.h"
+#include "games/io.h"
+#include "io.h"
+#include "util/tapeled.h"
+#include <typeinfo>
+
+namespace games::gitadora {
+
+    // /*
+    //  * class definitions
+    //  */
+
+    struct AIO_NMGR_IOB2 {
+    };
+
+    struct AIO_IOB2_BI2X_AC1__SETTING {
+    };
+
+    struct AIO_NMGR_IOB5 {
+    };
+
+    struct AIO_SCI_COMM {
+    };
+
+    struct AIO_IOB5_Y32D {
+    };
+
+    // struct AIO_IOB5_Y33I {
+    // };
+
+    struct AIO_IOB2_BI2X_AC1 {
+    };
+
+    struct AIO_NMGR_IOB__NODEINFO {
+        uint8_t data[0xA8];
+    };
+
+    struct AIO_IOB2_BI2X_WRFIRM {
+    };
+
+    struct AIO_SCI_COMM_T {
+        uint64_t unk_0;
+        struct AIO_SCI_COMM *aioSciComm;
+    };
+
+    struct AIO_COMM_STATUS {
+        uint64_t unk[5];
+    };
+
+    struct AIO_IOB2_BI2X_AC1__INPUT {
+        uint8_t DevIoCounter;
+        uint8_t bExIoAErr;
+        uint8_t bExIoBErr;
+        uint8_t bPcPowerOn;
+        uint8_t bPcPowerCheck;
+        uint8_t bCoin1Jam;
+        uint8_t bCoin2Jam;
+        uint8_t bCoin3Jam;
+        uint8_t bCoin4Jam;
+        uint8_t Coin1Count;
+        uint8_t Coin2Count;
+        uint8_t Coin3Count;
+        uint8_t Coin4Count;
+        uint16_t AnalogCh1;
+        uint16_t AnalogCh2;
+        uint16_t AnalogCh3;
+        uint16_t AnalogCh4;
+        uint8_t CN8_8;
+        uint8_t CN8_9;
+        uint8_t CN8_10;
+        uint8_t CN9_8;
+        uint8_t CN9_9;
+        uint8_t CN9_10;
+        uint8_t CN11_11;
+        uint8_t CN11_12;
+        uint8_t CN11_13;
+        uint8_t CN11_14;
+        uint8_t CN11_15;
+        uint8_t CN11_16;
+        uint8_t CN11_17;
+        uint8_t CN11_18;
+        uint8_t CN11_19;
+        uint8_t CN11_20;
+        uint8_t CN12_11;
+        uint8_t CN12_12;
+        uint8_t CN12_13;
+        uint8_t CN12_14;
+        uint8_t CN12_15;
+        uint8_t CN12_16;
+        uint8_t CN12_17;
+        uint8_t CN12_18;
+        uint8_t CN12_19;
+        uint8_t CN12_20;
+        uint8_t CN12_21;
+        uint8_t CN12_22;
+        uint8_t CN12_23;
+        uint8_t CN12_24;
+        uint8_t CN15_3;
+        uint8_t CN15_4;
+        uint8_t CN15_5;
+        uint8_t CN15_6;
+        uint8_t CN15_7;
+        uint8_t CN15_8;
+        uint8_t CN15_9;
+        uint8_t CN15_10;
+        uint8_t CN15_11;
+        uint8_t CN15_12;
+        uint8_t CN15_13;
+        uint8_t CN15_14;
+        uint8_t CN15_15;
+        uint8_t CN15_16;
+        uint8_t CN15_17;
+        uint8_t CN15_18;
+        uint8_t CN15_19;
+        uint8_t CN15_20;
+        uint8_t CN19_8;
+        uint8_t CN19_9;
+        uint8_t CN19_10;
+        uint8_t CN19_11;
+        uint8_t CN19_12;
+        uint8_t CN19_13;
+        uint8_t CN19_14;
+        uint8_t CN19_15;
+    };
+
+    struct AIO_IOB2_BI2X_AC1__INPUTDATA {
+        uint8_t data[247];
+    };
+
+    struct AIO_IOB2_BI2X_AC1__OUTPUTDATA {
+        uint8_t data[48];
+    };
+
+    struct AIO_IOB2_BI2X_AC1__ICNPIN {
+        uint16_t Ain[4];
+        uint64_t CnPin;
+    };
+
+    struct AIO_IOB2_BI2X_AC1__DEVSTATUS {
+        uint8_t InputCounter;
+        uint8_t OutputCounter;
+        uint8_t IoResetCounter;
+        uint8_t TapeLedCounter;
+        uint8_t TapeLedRate[8];
+        AIO_IOB2_BI2X_AC1__INPUT Input;
+        AIO_IOB2_BI2X_AC1__INPUTDATA InputData;
+        AIO_IOB2_BI2X_AC1__OUTPUTDATA OutputData;
+        AIO_IOB2_BI2X_AC1__ICNPIN ICnPinHist[20];
+    };
+
+    struct AIO_IOB5_Y32D__DEVSTATUS {
+        uint8_t unk[0xB1];
+    };
+
+     /*
+      * typedefs
+      */
+
+    // libaio-iob2_video.dll
+    typedef AIO_IOB2_BI2X_AC1 *(__fastcall *aioIob2Bi2xAC1_Create_t)(AIO_NMGR_IOB2 *i_pNodeMgr, uint32_t i_DevId,
+                                                                     AIO_IOB2_BI2X_AC1__SETTING *i_Setting);
+    typedef void(__fastcall *aioIob2Bi2xAC1_GetDeviceStatus_t)(AIO_IOB2_BI2X_AC1 *i_pNodeCtl,
+                                                               AIO_IOB2_BI2X_AC1__DEVSTATUS *o_DevStatus);
+    typedef void(__fastcall *aioIob2Bi2xAC1_SetWatchDogTimer_t)(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint8_t i_Count);
+    typedef void(__fastcall *aioIob2Bi2xAC1_AddCounter_t)(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint32_t i_Counter,
+                                                          uint32_t i_Count);
+    typedef void(__fastcall *aioIob2Bi2xAC1_SetOutputData_t)(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint32_t i_CnPin,
+                                                             uint8_t i_Data);
+    typedef void(__fastcall *aioIob2Bi2xAC1_SetTapeLedDataPart_t)(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint32_t i_TapeLedCh,
+                                                                  uint32_t i_Offset, uint8_t *i_pData,
+                                                                  uint32_t i_cntTapeLed, bool i_bReverse);
+    typedef void(__fastcall *aioIob2Bi2x_SetTapeLedDataLimit_t)(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint32_t i_Channel,
+                                                                uint8_t i_Scale, uint8_t i_Limit);
+    typedef AIO_IOB2_BI2X_WRFIRM *(__fastcall *aioIob2Bi2x_CreateWriteFirmContext_t)(uint32_t i_SerialNumber,
+                                                                                     uint32_t i_bfIob);
+    typedef void(__fastcall *aioIob2Bi2x_DestroyWriteFirmContext_t)(AIO_IOB2_BI2X_WRFIRM *i_pWrFirm);
+    typedef int32_t(__fastcall *aioIob2Bi2x_WriteFirmGetState_t)(AIO_IOB2_BI2X_WRFIRM *i_pWrFirm);
+    typedef bool(__fastcall *aioIob2Bi2x_WriteFirmIsCompleted_t)(int32_t i_State);
+    
+    // libaio-iob.dll
+    typedef AIO_NMGR_IOB2 *(__fastcall *aioNMgrIob2_Create_t)(AIO_SCI_COMM *i_pSci, uint32_t i_bfMode);
+    typedef void(__fastcall *aioNMgrIob_BeginManage_t)(AIO_NMGR_IOB2 *i_pNodeMgr);
+    typedef void(__fastcall *aioNCtlIob_GetNodeInfo_t)(AIO_IOB5_Y32D *i_pNodeCtl,
+                                                       AIO_NMGR_IOB__NODEINFO *o_NodeInfo);
+
+    // libaio.dll
+    typedef AIO_SCI_COMM_T *(__fastcall *aioSciComm_Open_t)(AIO_SCI_COMM_T *unk);
+    typedef void(__fastcall *aioSci_Destroy_t)(AIO_SCI_COMM *i_pNodeMgr);
+    typedef void(__fastcall *aioSci_GetCommStatus_t)(AIO_SCI_COMM *i_pNodeMgr, AIO_COMM_STATUS *i_Status);
+    typedef void(__fastcall *aioNodeMgr_Destroy_t)(AIO_NMGR_IOB5 *i_pNodeMgr);
+    typedef int32_t(__fastcall *aioNodeMgr_GetState_t)(AIO_NMGR_IOB5 *i_pNodeMgr);
+    typedef bool(__fastcall *aioNodeMgr_IsReady_t)(AIO_NMGR_IOB5 *i_pNodeMgr, int32_t i_State);
+    typedef bool(__fastcall *aioNodeMgr_IsError_t)(AIO_NMGR_IOB5 *i_pNodeMgr, int32_t i_State);
+    typedef void(__fastcall *aioNodeCtl_Destroy_t)(AIO_IOB5_Y32D *i_pNodeCtl);
+    typedef int32_t(__fastcall *aioNodeCtl_GetState_t)(AIO_IOB5_Y32D *i_pNodeCtl);
+    typedef bool(__fastcall *aioNodeCtl_IsReady_t)(AIO_IOB5_Y32D *i_pNodeCtl, int32_t i_State);
+    typedef bool(__fastcall *aioNodeCtl_IsError_t)(AIO_IOB5_Y32D *i_pNodeCtl, int32_t i_State);
+    typedef void(__fastcall *aioNodeCtl_UpdateDevicesStatus_t)();
+
+    // libaio-iob5.dll
+    typedef AIO_NMGR_IOB5 *(__fastcall *aioNMgrIob5_Create_t)(AIO_SCI_COMM *i_pSci, uint32_t i_bfMode);
+
+    // libaio-iob5_y32.dll
+    typedef AIO_IOB5_Y32D *(__fastcall *aioIob5Y32d_Create_t)(AIO_NMGR_IOB5 *i_pSci, uint32_t i_bfMode);
+    // typedef AIO_IOB5_Y33I *(__fastcall *aioIob5Y33i_Create_t)(AIO_NMGR_IOB5 *i_pSci, uint32_t i_bfMode);
+
+    typedef void(__fastcall *aioIob5Y32d_GetDeviceStatus_t)(AIO_IOB5_Y32D *i_pNodeCtl,
+                                                            AIO_IOB5_Y32D__DEVSTATUS *o_DevStatus);
+    // typedef void(__fastcall *aioIob5Y33i_GetDeviceStatus_t)(AIO_IOB5_Y33I *i_pNodeCtl,
+    //                                                         AIO_IOB2_BI2X_AC1__DEVSTATUS *o_DevStatus);
+
+    /*
+     * function pointers
+     */
+
+    // libaio-iob2_video.dll
+    static aioIob2Bi2xAC1_Create_t aioIob2Bi2xAC1_Create_orig = nullptr;
+    static aioIob2Bi2xAC1_GetDeviceStatus_t aioIob2Bi2xAC1_GetDeviceStatus_orig = nullptr;
+    static aioIob2Bi2xAC1_SetWatchDogTimer_t aioIob2Bi2xAC1_SetWatchDogTimer_orig = nullptr;
+    static aioIob2Bi2xAC1_AddCounter_t aioIob2Bi2xAC1_AddCounter_orig = nullptr;
+    static aioIob2Bi2xAC1_SetOutputData_t aioIob2Bi2xAC1_SetOutputData_orig = nullptr;
+    static aioIob2Bi2xAC1_SetTapeLedDataPart_t aioIob2Bi2xAC1_SetTapeLedDataPart_orig = nullptr;
+    static aioIob2Bi2x_SetTapeLedDataLimit_t aioIob2Bi2x_SetTapeLedDataLimit_orig = nullptr;
+    static aioIob2Bi2x_CreateWriteFirmContext_t aioIob2Bi2x_CreateWriteFirmContext_orig = nullptr;
+    static aioIob2Bi2x_DestroyWriteFirmContext_t aioIob2Bi2x_DestroyWriteFirmContext_orig = nullptr;
+    static aioIob2Bi2x_WriteFirmGetState_t aioIob2Bi2x_WriteFirmGetState_orig = nullptr;
+    static aioIob2Bi2x_WriteFirmIsCompleted_t aioIob2Bi2x_WriteFirmIsCompleted_orig = nullptr;
+
+    // libaio.dll
+    static aioSciComm_Open_t aioSciComm_Open_orig = nullptr;
+    static aioSci_Destroy_t aioSci_Destroy_orig = nullptr;
+    static aioSci_GetCommStatus_t aioSci_GetCommStatus_orig = nullptr;
+    static aioNodeMgr_Destroy_t aioNodeMgr_Destroy_orig = nullptr;
+    static aioNodeMgr_GetState_t aioNodeMgr_GetState_orig = nullptr;
+    static aioNodeMgr_IsReady_t aioNodeMgr_IsReady_orig = nullptr;
+    static aioNodeMgr_IsError_t aioNodeMgr_IsError_orig = nullptr;
+    static aioNodeCtl_Destroy_t aioNodeCtl_Destroy_orig = nullptr;
+    static aioNodeCtl_GetState_t aioNodeCtl_GetState_orig = nullptr;
+    static aioNodeCtl_IsReady_t aioNodeCtl_IsReady_orig = nullptr;
+    static aioNodeCtl_IsError_t aioNodeCtl_IsError_orig = nullptr;
+    static aioNodeCtl_UpdateDevicesStatus_t aioNodeCtl_UpdateDevicesStatus_orig = nullptr;
+
+    // libaio-iob5.dll
+    static aioNMgrIob5_Create_t aioNMgrIob5_Create_orig = nullptr;
+
+    // libaio-iob.dll
+    static aioNMgrIob2_Create_t aioNMgrIob2_Create_orig = nullptr;
+    static aioNMgrIob_BeginManage_t aioNMgrIob_BeginManage_orig = nullptr;
+    static aioNCtlIob_GetNodeInfo_t aioNCtlIob_GetNodeInfo_orig = nullptr;
+
+    // libaio-iob5_y32.dll
+    static aioIob5Y32d_Create_t aioIob5Y32d_Create_orig = nullptr;
+    static aioIob5Y32d_GetDeviceStatus_t aioIob5Y32d_GetDeviceStatus_orig = nullptr;
+
+    /*
+     * variables
+     */
+    static AIO_IOB2_BI2X_AC1 *aioIob2Bi2xAc1;
+    static AIO_NMGR_IOB2 *aioNmgrIob2;
+    static AIO_NMGR_IOB5 *aioNmgrIob5;
+    static AIO_IOB5_Y32D *aioIob5Y32d;
+    static AIO_SCI_COMM *aioSciComm;
+    static AIO_IOB2_BI2X_WRFIRM *aioIob2Bi2xWrfirm;
+
+    /*
+     * implementations
+     */
+
+    // libaio-iob2_video.dll
+
+    static AIO_IOB2_BI2X_AC1 *__fastcall aioIob2Bi2xAC1_Create(AIO_NMGR_IOB2 *i_pNodeMgr, uint32_t i_DevId,
+                                                               AIO_IOB2_BI2X_AC1__SETTING *i_Setting) {
+                               
+        if (i_pNodeMgr == aioNmgrIob2) {
+            aioIob2Bi2xAc1 = new AIO_IOB2_BI2X_AC1;
+            return aioIob2Bi2xAc1;
+        } else {
+            return aioIob2Bi2xAC1_Create_orig(i_pNodeMgr, i_DevId, i_Setting);
+        }
+    }
+
+    void __fastcall aioIob2Bi2xAC1_GetDeviceStatus(AIO_IOB2_BI2X_AC1 *i_pNodeCtl,
+                                                   AIO_IOB2_BI2X_AC1__DEVSTATUS *o_DevStatus) {
+        
+        RI_MGR->devices_flush_output();
+        if (i_pNodeCtl != aioIob2Bi2xAc1) {
+            return aioIob2Bi2xAC1_GetDeviceStatus_orig(i_pNodeCtl, o_DevStatus);
+        }
+
+        memset(o_DevStatus, 0x00, sizeof(AIO_IOB2_BI2X_AC1__DEVSTATUS));
+
+        
+        auto &buttons = get_buttons();
+        // struct may be misaligned
+        o_DevStatus->Input.CN8_10 = GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Test]) ? 0 : 0xFF;
+        o_DevStatus->Input.CN9_8 = GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Service]) ? 0 : 0xFF;
+        o_DevStatus->Input.CN9_9 = GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Coin]) ? 0 : 0xFF;
+        
+        // coin
+        o_DevStatus->Input.Coin1Count = eamuse_coin_get_stock();
+    }
+
+    void __fastcall aioIob2Bi2xAC1_SetWatchDogTimer(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint8_t i_Count) {
+
+        if (i_pNodeCtl != aioIob2Bi2xAc1) {
+            return aioIob2Bi2xAC1_SetWatchDogTimer_orig(i_pNodeCtl, i_Count);
+        }
+    }
+
+    void __fastcall aioIob2Bi2xAC1_AddCounter(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint32_t i_Counter, uint32_t i_Count) {
+
+        if (i_pNodeCtl == aioIob2Bi2xAc1 && i_Count == 0) {
+            eamuse_coin_set_stock((uint16_t)i_Count);
+        } else {
+            return aioIob2Bi2xAC1_AddCounter_orig(i_pNodeCtl, i_Counter, i_Count);
+        }
+    }
+
+    void __fastcall aioIob2Bi2xAC1_SetOutputData(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint32_t i_CnPin, uint8_t i_Data) {
+        
+        if (i_pNodeCtl != aioIob2Bi2xAc1) {
+            return aioIob2Bi2xAC1_SetOutputData_orig(i_pNodeCtl, i_CnPin, i_Data);
+        }
+    }
+
+    void __fastcall aioIob2Bi2xAC1_SetTapeLedDataPart(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint32_t i_TapeLedCh,
+                                                      uint32_t i_Offset, uint8_t *i_pData,
+                                                      uint32_t i_cntTapeLed, bool i_bReverse) {
+
+        if (i_pNodeCtl != aioIob2Bi2xAc1) {
+            return aioIob2Bi2xAC1_SetTapeLedDataPart_orig(i_pNodeCtl, i_TapeLedCh, i_Offset, i_pData, i_cntTapeLed, i_bReverse);
+        }
+    }
+
+    void __fastcall aioIob2Bi2x_SetTapeLedDataLimit(AIO_IOB2_BI2X_AC1 *i_pNodeCtl, uint32_t i_Channel,
+                                                    uint8_t i_Scale, uint8_t i_Limit) {
+
+        if (i_pNodeCtl != aioIob2Bi2xAc1) {
+            return aioIob2Bi2x_SetTapeLedDataLimit_orig(i_pNodeCtl, i_Channel, i_Scale, i_Limit);
+        }
+    }
+
+    static AIO_IOB2_BI2X_WRFIRM *__fastcall aioIob2Bi2x_CreateWriteFirmContext(
+        uint32_t i_SerialNumber, uint32_t i_bfIob) {
+
+        aioIob2Bi2xWrfirm = new AIO_IOB2_BI2X_WRFIRM;
+        return aioIob2Bi2xWrfirm;
+    }
+
+    static void __fastcall aioIob2Bi2x_DestroyWriteFirmContext(AIO_IOB2_BI2X_WRFIRM *i_pWrFirm) {
+
+        if (i_pWrFirm == aioIob2Bi2xWrfirm) {
+            delete aioIob2Bi2xWrfirm;
+            aioIob2Bi2xWrfirm = nullptr;
+        } else {
+            return aioIob2Bi2x_DestroyWriteFirmContext_orig(i_pWrFirm);
+        }
+    }
+
+    static int32_t __fastcall aioIob2Bi2x_WriteFirmGetState(AIO_IOB2_BI2X_WRFIRM *i_pWrFirm) {
+
+        if (i_pWrFirm == aioIob2Bi2xWrfirm) {
+            return 8;
+        } else {
+            return aioIob2Bi2x_WriteFirmGetState_orig(i_pWrFirm);
+        }
+    }
+
+    static bool __fastcall aioIob2Bi2x_WriteFirmIsCompleted(int32_t i_State) {
+
+        if (aioIob2Bi2xWrfirm != nullptr) {
+            return true;
+        } else {
+            return aioIob2Bi2x_WriteFirmIsCompleted_orig(i_State);
+        }
+    }
+
+    // libaio-iob.dll
+    static AIO_NMGR_IOB2 *__fastcall aioNMgrIob2_Create(AIO_SCI_COMM *i_pSci, uint32_t i_bfMode) {
+
+        if (i_pSci == aioSciComm) {
+            aioNmgrIob2 = new AIO_NMGR_IOB2;
+            return aioNmgrIob2;
+        } else {
+            return aioNMgrIob2_Create_orig(i_pSci, i_bfMode);
+        }
+    }
+
+    static void __fastcall aioNMgrIob_BeginManage(AIO_NMGR_IOB2 *i_pNodeMgr) {
+
+        if (i_pNodeMgr == aioNmgrIob2) {
+        } else {
+            return aioNMgrIob_BeginManage_orig(i_pNodeMgr);
+        }
+    }
+
+    static void __fastcall aioNCtlIob_GetNodeInfo(
+        AIO_IOB5_Y32D *i_pNodeCtl, AIO_NMGR_IOB__NODEINFO *o_NodeInfo) {
+
+        if (i_pNodeCtl == aioIob5Y32d) {
+            memset(o_NodeInfo, 0, sizeof(AIO_NMGR_IOB__NODEINFO));
+        } else {
+            return aioNCtlIob_GetNodeInfo_orig(i_pNodeCtl, o_NodeInfo);
+        }
+    }
+
+    // libaio.dll
+
+    static AIO_SCI_COMM_T *__fastcall aioSciComm_Open(AIO_SCI_COMM_T *unk) {
+
+        aioSciComm = new AIO_SCI_COMM;
+        memset(unk, 0, sizeof(AIO_SCI_COMM_T));
+        unk->aioSciComm = aioSciComm;
+        return unk;
+    }
+
+    static void __fastcall aioSci_GetCommStatus(AIO_SCI_COMM *i_pNodeMgr, AIO_COMM_STATUS *i_Status) {
+
+        if (i_pNodeMgr == aioSciComm) {
+            memset(i_Status, 0, sizeof(AIO_COMM_STATUS));
+        } else {
+            return aioSci_GetCommStatus_orig(i_pNodeMgr, i_Status);
+        }
+    }
+
+    static void __fastcall aioSci_Destroy(AIO_SCI_COMM *i_pNodeMgr) {
+      
+        if (i_pNodeMgr == aioSciComm) {
+            delete aioSciComm;
+        } else {
+            return aioSci_Destroy_orig(i_pNodeMgr);
+        }
+    }
+
+    static void __fastcall aioNodeMgr_Destroy(AIO_NMGR_IOB5 *i_pNodeMgr) {
+
+        if (i_pNodeMgr == aioNmgrIob5 ||
+            i_pNodeMgr == (AIO_NMGR_IOB5 *)aioIob2Bi2xAc1 ||
+            i_pNodeMgr == (AIO_NMGR_IOB5 *)aioNmgrIob2) {
+
+            delete aioNmgrIob5;
+            aioNmgrIob5 = nullptr;
+        } else {
+            return aioNodeMgr_Destroy_orig(i_pNodeMgr);
+        }
+    }
+
+    static int32_t __fastcall aioNodeMgr_GetState(AIO_NMGR_IOB5 *i_pNodeMgr) {
+
+        if (i_pNodeMgr == aioNmgrIob5 ||
+            i_pNodeMgr == (AIO_NMGR_IOB5 *)aioIob2Bi2xAc1 ||
+            i_pNodeMgr == (AIO_NMGR_IOB5 *)aioNmgrIob2) {
+            return 1;
+        } else {
+            return aioNodeMgr_GetState_orig(i_pNodeMgr);
+        }
+    }
+
+    static bool __fastcall aioNodeMgr_IsReady(AIO_NMGR_IOB5 *i_pNodeMgr, int32_t i_State) {
+
+        if (i_pNodeMgr == aioNmgrIob5 ||
+            i_pNodeMgr == (AIO_NMGR_IOB5 *)aioIob2Bi2xAc1 ||
+            i_pNodeMgr == (AIO_NMGR_IOB5 *)aioNmgrIob2) {
+
+            return true;
+        } else {
+            return aioNodeMgr_IsReady_orig(i_pNodeMgr, i_State);
+        }
+    }
+
+    static bool __fastcall aioNodeMgr_IsError(AIO_NMGR_IOB5 *i_pNodeMgr, int32_t i_State) {
+
+        if (i_pNodeMgr == aioNmgrIob5 ||
+            i_pNodeMgr == (AIO_NMGR_IOB5 *)aioIob2Bi2xAc1 ||
+            i_pNodeMgr == (AIO_NMGR_IOB5 *)aioNmgrIob2) {
+
+            return false;
+        } else {
+            return aioNodeMgr_IsError_orig(i_pNodeMgr, i_State);
+        }
+    }
+
+    static void __fastcall aioNodeCtl_Destroy(AIO_IOB5_Y32D *i_pNodeCtl) {
+
+        if (i_pNodeCtl == aioIob5Y32d ||
+            i_pNodeCtl == (AIO_IOB5_Y32D *)aioIob2Bi2xAc1 ||
+            i_pNodeCtl == (AIO_IOB5_Y32D *)aioNmgrIob2) {
+            
+            delete aioIob5Y32d;
+            aioIob5Y32d = nullptr;
+        } else {
+            return aioNodeCtl_Destroy_orig(i_pNodeCtl);
+        }
+    }
+
+    static int32_t __fastcall aioNodeCtl_GetState(AIO_IOB5_Y32D *i_pNodeCtl) {
+
+        if (i_pNodeCtl == aioIob5Y32d ||
+            i_pNodeCtl == (AIO_IOB5_Y32D *)aioIob2Bi2xAc1 ||
+            i_pNodeCtl == (AIO_IOB5_Y32D *)aioNmgrIob2) {
+            
+            return 1;
+        } else {
+            return aioNodeCtl_GetState_orig(i_pNodeCtl);
+        }
+    }
+
+    static bool __fastcall aioNodeCtl_IsReady(AIO_IOB5_Y32D *i_pNodeCtl, int32_t i_State) {
+
+        if (i_pNodeCtl == aioIob5Y32d ||
+            i_pNodeCtl == (AIO_IOB5_Y32D *)aioIob2Bi2xAc1 ||
+            i_pNodeCtl == (AIO_IOB5_Y32D *)aioNmgrIob2) {
+
+            return true;
+        } else {
+            return aioNodeCtl_IsReady_orig(i_pNodeCtl, i_State);
+        }
+    }
+
+    static bool __fastcall aioNodeCtl_IsError(AIO_IOB5_Y32D *i_pNodeCtl, int32_t i_State) {
+
+        if (i_pNodeCtl == aioIob5Y32d ||
+            i_pNodeCtl == (AIO_IOB5_Y32D *)aioIob2Bi2xAc1 ||
+            i_pNodeCtl == (AIO_IOB5_Y32D *)aioNmgrIob2) {
+            
+            return false;
+        } else {
+            return aioNodeCtl_IsError_orig(i_pNodeCtl, i_State);
+        }
+    }
+
+    static void __fastcall aioNodeCtl_UpdateDevicesStatus() {
+    }
+
+    // libaio-iob5.dll
+
+    static AIO_NMGR_IOB5 *__fastcall aioNMgrIob5_Create(AIO_SCI_COMM *i_pSci, uint32_t i_bfMode) {
+
+        if (i_pSci == aioSciComm) {
+            aioNmgrIob5 = new AIO_NMGR_IOB5;
+            return aioNmgrIob5;
+        } else {
+            return aioNMgrIob5_Create_orig(i_pSci, i_bfMode);
+        }
+    }
+
+    // libaio-iob5_y32.dll
+    static AIO_IOB5_Y32D *__fastcall aioIob5Y32d_Create(AIO_NMGR_IOB5 *i_pSci, uint32_t i_bfMode) {
+
+        if (i_pSci == aioNmgrIob5) {
+            aioIob5Y32d = new AIO_IOB5_Y32D;
+            return aioIob5Y32d;
+        } else {
+            return aioIob5Y32d_Create_orig(i_pSci, i_bfMode);
+        }
+    }
+
+    void __fastcall aioIob5Y32d_GetDeviceStatus(AIO_IOB5_Y32D *i_pNodeCtl,
+                                                AIO_IOB5_Y32D__DEVSTATUS *o_DevStatus) {
+
+        if (i_pNodeCtl != aioIob5Y32d) {
+            return aioIob5Y32d_GetDeviceStatus_orig(i_pNodeCtl, o_DevStatus);
+        }
+
+        memset(o_DevStatus, 0, sizeof(AIO_IOB5_Y32D__DEVSTATUS));
+    }
+
+    void bi2x_hook_init() {
+
+        // avoid double init
+        static bool initialized = false;
+        if (initialized) {
+            return;
+        } else {
+            initialized = true;
+        }
+
+        // announce
+        log_info("bi2x_hook", "init");
+
+        // libaio-iob5_y32.dll
+        const auto libaioIob5Y32Dll = "libaio-iob5_y32.dll";
+        detour::trampoline_try(libaioIob5Y32Dll, "aioIob5Y32d_Create",
+                               aioIob5Y32d_Create, &aioIob5Y32d_Create_orig);
+        detour::trampoline_try(libaioIob5Y32Dll, "aioIob5Y32i_Create",
+                               aioIob5Y32d_Create, &aioIob5Y32d_Create_orig);
+        detour::trampoline_try(libaioIob5Y32Dll, "aioIob5Y32d_GetDeviceStatus",
+                               aioIob5Y32d_GetDeviceStatus, &aioIob5Y32d_GetDeviceStatus_orig);
+        detour::trampoline_try(libaioIob5Y32Dll, "aioIob5Y32i_GetDeviceStatus",
+                               aioIob5Y32d_GetDeviceStatus, &aioIob5Y32d_GetDeviceStatus_orig);
+
+        // libaio-iob5.dll
+        const auto libaioIob5Dll = "libaio-iob5.dll";
+        detour::trampoline_try(libaioIob5Dll, "aioNMgrIob5_Create",
+                               aioNMgrIob5_Create, &aioNMgrIob5_Create_orig);
+
+        // libaio-iob2_video.dll
+        const auto libaioIob2VideoDll = "libaio-iob2_video.dll";
+        detour::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2xAC1_Create",
+                               aioIob2Bi2xAC1_Create, &aioIob2Bi2xAC1_Create_orig);
+        detour::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2xAC1_GetDeviceStatus",
+                               aioIob2Bi2xAC1_GetDeviceStatus, &aioIob2Bi2xAC1_GetDeviceStatus_orig);
+        detour::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2xAC1_SetWatchDogTimer",
+                               aioIob2Bi2xAC1_SetWatchDogTimer, &aioIob2Bi2xAC1_SetWatchDogTimer_orig);
+        detour::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2xAC1_AddCounter",
+                               aioIob2Bi2xAC1_AddCounter, &aioIob2Bi2xAC1_AddCounter_orig);
+        detour::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2xAC1_SetOutputData",
+                               aioIob2Bi2xAC1_SetOutputData, &aioIob2Bi2xAC1_SetOutputData_orig);
+        detour::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2xAC1_SetTapeLedDataPart",
+                               aioIob2Bi2xAC1_SetTapeLedDataPart, &aioIob2Bi2xAC1_SetTapeLedDataPart_orig);
+        detour::trampoline_try(libaioIob2VideoDll, "aioIob2Bi2x_SetTapeLedDataLimit",
+                               aioIob2Bi2x_SetTapeLedDataLimit, &aioIob2Bi2x_SetTapeLedDataLimit_orig);
+        detour::trampoline_try(libaioIob2VideoDll, "?CreateWriteFirmContext@AIO_IOB2_BI2X@@SAPEAUWRFIRM@1@II@Z",
+                               aioIob2Bi2x_CreateWriteFirmContext, &aioIob2Bi2x_CreateWriteFirmContext_orig);
+        detour::trampoline_try(libaioIob2VideoDll, "?DestroyWriteFirmContext@AIO_IOB2_BI2X@@SAXPEAUWRFIRM@1@@Z",
+                               aioIob2Bi2x_DestroyWriteFirmContext, &aioIob2Bi2x_DestroyWriteFirmContext_orig);
+        detour::trampoline_try(libaioIob2VideoDll, "?WriteFirmGetState@AIO_IOB2_BI2X@@SAHPEAUWRFIRM@1@@Z",
+                               aioIob2Bi2x_WriteFirmGetState, &aioIob2Bi2x_WriteFirmGetState_orig);
+        detour::trampoline_try(libaioIob2VideoDll, "?WriteFirmIsCompleted@AIO_IOB2_BI2X@@SA_NH@Z",
+                               aioIob2Bi2x_WriteFirmIsCompleted, &aioIob2Bi2x_WriteFirmIsCompleted_orig);
+
+        // libaio-iob.dll
+        const auto libaioIobDll = "libaio-iob.dll";
+        detour::trampoline_try(libaioIobDll, "aioNMgrIob2_Create",
+                               aioNMgrIob2_Create, &aioNMgrIob2_Create_orig);
+        detour::trampoline_try(libaioIobDll, "aioNMgrIob_BeginManage",
+                               aioNMgrIob_BeginManage, &aioNMgrIob_BeginManage_orig);
+        detour::trampoline_try(libaioIobDll, "aioNCtlIob_GetNodeInfo",
+                               aioNCtlIob_GetNodeInfo, &aioNCtlIob_GetNodeInfo_orig);
+
+        // libaio.dll
+        const auto libaioDll = "libaio.dll";
+        detour::trampoline_try(libaioDll, "?Open@AIO_SCI_COMM@@SA?AU?$AC_ERESULT_T@PEAVAIO_SCI_COMM@@@@PEBD0AEBUSETTING@1@@Z",
+                               aioSciComm_Open, &aioSciComm_Open_orig);
+        detour::trampoline_try(libaioDll, "aioSci_GetCommStatus",
+                               aioSci_GetCommStatus, &aioSci_GetCommStatus_orig);
+        detour::trampoline_try(libaioDll, "aioSci_Destroy",
+                               aioSci_Destroy, &aioSci_Destroy_orig);
+        detour::trampoline_try(libaioDll, "aioNodeMgr_Destroy",
+                               aioNodeMgr_Destroy, &aioNodeMgr_Destroy_orig);
+        detour::trampoline_try(libaioDll, "aioNodeMgr_GetState",
+                               aioNodeMgr_GetState, &aioNodeMgr_GetState_orig);
+        detour::trampoline_try(libaioDll, "aioNodeMgr_IsReady",
+                               aioNodeMgr_IsReady, &aioNodeMgr_IsReady_orig);
+        detour::trampoline_try(libaioDll, "aioNodeMgr_IsError",
+                               aioNodeMgr_IsError, &aioNodeMgr_IsError_orig);
+        detour::trampoline_try(libaioDll, "aioNodeCtl_Destroy",
+                               aioNodeCtl_Destroy, &aioNodeCtl_Destroy_orig);
+        detour::trampoline_try(libaioDll, "aioNodeCtl_GetState",
+                               aioNodeCtl_GetState, &aioNodeCtl_GetState_orig);
+        detour::trampoline_try(libaioDll, "aioNodeCtl_IsReady",
+                               aioNodeCtl_IsReady, &aioNodeCtl_IsReady_orig);
+        detour::trampoline_try(libaioDll, "aioNodeCtl_IsError",
+                               aioNodeCtl_IsError, &aioNodeCtl_IsError_orig);
+        detour::trampoline_try(libaioDll, "aioNodeCtl_UpdateDevicesStatus",
+                               aioNodeCtl_UpdateDevicesStatus, &aioNodeCtl_UpdateDevicesStatus_orig);
+    }
+}
\ No newline at end of file
diff --git a/src/spice2x/games/gitadora/bi2x_hook.h b/src/spice2x/games/gitadora/bi2x_hook.h
new file mode 100644
index 0000000..8572bd9
--- /dev/null
+++ b/src/spice2x/games/gitadora/bi2x_hook.h
@@ -0,0 +1,5 @@
+#pragma once
+
+namespace games::gitadora {
+    void bi2x_hook_init();
+}
\ No newline at end of file
diff --git a/src/spice2x/games/gitadora/device.h b/src/spice2x/games/gitadora/device.h
new file mode 100644
index 0000000..cf34ac2
--- /dev/null
+++ b/src/spice2x/games/gitadora/device.h
@@ -0,0 +1,10 @@
+#pragma once
+
+#include "acioemu/acioemu.h"
+
+namespace games::gitadora {
+    class GitadoraDevice : public acioemu::ACIODeviceEmu {
+        public:
+            bool is_ready = false;
+    };
+}
\ No newline at end of file
diff --git a/src/spice2x/games/gitadora/gitadora.cpp b/src/spice2x/games/gitadora/gitadora.cpp
index 4b108ae..2419a5c 100644
--- a/src/spice2x/games/gitadora/gitadora.cpp
+++ b/src/spice2x/games/gitadora/gitadora.cpp
@@ -1,7 +1,7 @@
 #include "gitadora.h"
-
+#include "handle.h"
+#include "bi2x_hook.h"
 #include <unordered_map>
-
 #include "cfg/configurator.h"
 #include "hooks/graphics/graphics.h"
 #include "util/cpuutils.h"
@@ -9,6 +9,7 @@
 #include "util/libutils.h"
 #include "util/logging.h"
 #include "util/sigscan.h"
+#include "hooks/setupapihook.h"
 
 namespace games::gitadora {
 
@@ -214,6 +215,29 @@ namespace games::gitadora {
                 system_module, "sys_debug_dip_set_param"));
 
 #ifdef SPICE64
+        // gitadora arena model 
+        auto aio = libutils::try_library("libaio.dll");
+        if (aio != nullptr) {
+            SETUPAPI_SETTINGS settings{};
+            settings.class_guid[0] = 0x86E0D1E0;
+            settings.class_guid[1] = 0x11D08089;
+            settings.class_guid[2] = 0x0008E49C;
+            settings.class_guid[3] = 0x731F303E;
+            const char property[] = "1CCF(8050)_000";
+            const char property_hardwareid[] = "USB\\VID_1CCF&PID_8050&MI_00\\000";
+            memcpy(settings.property_devicedesc, property, sizeof(property));
+            memcpy(settings.property_hardwareid, property_hardwareid, sizeof(property_hardwareid));
+            setupapihook_init(avs::game::DLL_INSTANCE);
+            setupapihook_add(settings);
+
+            // Gitadora IO(J32D/J33I) board emulation
+            devicehook_init(avs::game::DLL_INSTANCE);
+            devicehook_add(new GitaDoraSerialHandle());
+
+            // test/service/coin buttons
+            bi2x_hook_init();
+            return;
+        }
 
         HMODULE gdme_module = libutils::try_module("libgdme.dll");
 
diff --git a/src/spice2x/games/gitadora/gitadora.h b/src/spice2x/games/gitadora/gitadora.h
index 50049f6..b80a014 100644
--- a/src/spice2x/games/gitadora/gitadora.h
+++ b/src/spice2x/games/gitadora/gitadora.h
@@ -21,13 +21,13 @@ namespace games::gitadora {
     static inline bool is_drum() {
         return (
             avs::game::is_model({ "J32", "K32", "L32" }) ||
-            (avs::game::is_model("M32") && avs::game::SPEC[0] == 'B')
+            (avs::game::is_model("M32") && (avs::game::SPEC[0] == 'B' || avs::game::SPEC[0] == 'D'))
             );
     }
     static inline bool is_guitar() {
         return (
             avs::game::is_model({ "J33", "K33", "L33" }) ||
-            (avs::game::is_model("M32") && avs::game::SPEC[0] == 'A')
+            (avs::game::is_model("M32") && (avs::game::SPEC[0] == 'A' || avs::game::SPEC[0] == 'C'))
             );
     }
 
diff --git a/src/spice2x/games/gitadora/handle.cpp b/src/spice2x/games/gitadora/handle.cpp
new file mode 100644
index 0000000..5e9e433
--- /dev/null
+++ b/src/spice2x/games/gitadora/handle.cpp
@@ -0,0 +1,110 @@
+#include "handle.h"
+#include "misc/eamuse.h"
+#include "rawinput/rawinput.h"
+#include "util/utils.h"
+#include "util/time.h"
+#include "io.h"
+#include "gitadora.h"
+#include "j32d.h"
+#include "j33i.h"
+#include "device.h"
+
+
+using namespace acioemu;
+static games::gitadora::GitadoraDevice *device;
+
+bool games::gitadora::GitaDoraSerialHandle::open(LPCWSTR lpFileName) {
+    if (wcscmp(lpFileName, L"COM1") != 0) {
+        return false;
+    }
+
+    bool is_drum = games::gitadora::is_drum();
+
+    if (is_drum) {
+        device = new J32DSerialDevice();
+    } else {
+        device = new J33ISerialDevice();
+    }
+
+    acio_emu.add_device(device);
+    log_info("gitadora", "Opened COM1 ({} DEVICE)", is_drum ? "J32D" : "J33I");
+    return true;
+}
+
+int games::gitadora::GitaDoraSerialHandle::read(LPVOID lpBuffer, DWORD nNumberOfBytesToRead) {
+
+    auto buffer = reinterpret_cast<uint8_t *>(lpBuffer);
+
+    // the game does not send cmd 0x12F to the IO
+    // but it is expected to receive 0x12F for user input
+    // so i manually created a payload so that parse_msg can be used
+    // to write to the response_buffer
+    if (device->is_ready) {
+        uint8_t chk = 0;
+        MessageData* msg = ACIODeviceEmu::create_msg(0x1, 0x12F, 0, 0);
+        msg->addr = 0x1;
+        auto write_buffer = reinterpret_cast<uint8_t *>(msg);
+        while (acio_emu.read() != std::nullopt); // there may be old stuffs in the buffer
+        acio_emu.write(0xAA);
+        acio_emu.write(0xAA);
+
+        for(DWORD i = 0; i < 5; i++) {
+            chk += write_buffer[i];
+            acio_emu.write(write_buffer[i]);
+        }
+        // direct copy and paste from write_msg
+        if (chk == ACIO_SOF || chk == ACIO_ESCAPE) {
+            acio_emu.write(ACIO_ESCAPE);
+            acio_emu.write(~chk);
+        } else {
+            acio_emu.write(chk);
+        }
+    }
+
+    // read from emu
+    DWORD bytes_read = 0;
+    while (bytes_read < nNumberOfBytesToRead) {
+        auto cur_byte = acio_emu.read();
+
+        if (cur_byte.has_value()) {
+            buffer[bytes_read++] = cur_byte.value();
+        } else {
+            break;
+        }
+    }
+
+#ifdef ACIOEMU_LOG
+    log_info("gitadora", "Read IO Data: {}", bin2hex(buffer, bytes_read));
+#endif
+    // return amount of bytes read
+    return (int)bytes_read;
+}
+
+
+int games::gitadora::GitaDoraSerialHandle::write(LPCVOID lpBuffer, DWORD nNumberOfBytesToWrite)
+{
+    auto buffer = reinterpret_cast<const uint8_t *>(lpBuffer);
+
+    // write to emu
+    for (DWORD i = 0; i < nNumberOfBytesToWrite; i++) {
+        acio_emu.write(buffer[i]);
+    }
+
+#ifdef ACIOEMU_LOG
+    log_info("gitadora", "Write IO Data: {}", bin2hex(buffer, nNumberOfBytesToWrite));
+#endif
+    // return all data written
+    return (int)nNumberOfBytesToWrite;
+}
+
+int games::gitadora::GitaDoraSerialHandle::device_io(DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize,
+                                                    LPVOID lpOutBuffer, DWORD nOutBufferSize) {
+ 
+    return -1;
+}
+
+bool games::gitadora::GitaDoraSerialHandle::close() {
+    
+    log_info("gitadora", "Closed COM1");
+    return true;
+}
diff --git a/src/spice2x/games/gitadora/handle.h b/src/spice2x/games/gitadora/handle.h
new file mode 100644
index 0000000..0fd3457
--- /dev/null
+++ b/src/spice2x/games/gitadora/handle.h
@@ -0,0 +1,24 @@
+#pragma once
+
+#include "acioemu/acioemu.h"
+#include "hooks/devicehook.h"
+
+namespace games::gitadora {
+
+    class GitaDoraSerialHandle : public CustomHandle {
+    private:
+        acioemu::ACIOEmu acio_emu;
+
+    public:
+        bool open(LPCWSTR lpFileName) override;
+
+        int read(LPVOID lpBuffer, DWORD nNumberOfBytesToRead) override;
+
+        int write(LPCVOID lpBuffer, DWORD nNumberOfBytesToWrite) override;
+
+        int device_io(DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer,
+                      DWORD nOutBufferSize) override;
+        bool close() override;
+        
+    };
+}
diff --git a/src/spice2x/games/gitadora/j32d.cpp b/src/spice2x/games/gitadora/j32d.cpp
new file mode 100644
index 0000000..c2106ba
--- /dev/null
+++ b/src/spice2x/games/gitadora/j32d.cpp
@@ -0,0 +1,110 @@
+
+#include "misc/eamuse.h"
+#include "util/utils.h"
+#include "io.h"
+#include "j32d.h"
+
+
+using namespace acioemu;
+
+games::gitadora::J32DSerialDevice::J32DSerialDevice() {
+    this->node_count = 1;
+    log_info("gitadora", "J32D device created.");
+}
+
+bool games::gitadora::J32DSerialDevice::parse_msg(
+    MessageData *msg_in,
+    circular_buffer<uint8_t> *response_buffer) {
+
+#ifdef ACIOEMU_LOG
+    log_info("gitadora", "GTDR ADDR: {}, CMD: 0x{:04x}", msg_in->addr, msg_in->cmd.code);
+#endif
+
+    static uint8_t pid = 0;
+    // check command
+    switch (msg_in->cmd.code) {
+        case ACIO_CMD_GET_VERSION: {
+            // send version data
+            auto msg = this->create_msg(msg_in, MSG_VERSION_SIZE);
+            this->set_version(msg, 0x20a, 0, 0, 1, 0, "J32D");
+            write_msg(msg, response_buffer);
+            delete msg;
+            break;
+        }
+        case ACIO_CMD_STARTUP:
+        case ACIO_CMD_CLEAR:
+        case 0x0120: {
+            if (msg_in->cmd.code == 0x0120) {
+                pid = msg_in->cmd.pid;
+                this->is_ready = true;
+            }
+            // send status 0
+            auto msg = this->create_msg_status(msg_in, 0);
+            write_msg(msg, response_buffer);
+            delete msg;
+            break;
+        }
+    // IO
+        case 0x012F: {
+            auto msg = this->create_msg(msg_in, 0x11);
+            msg->cmd.pid = pid;
+            // don't know if it's needed/correct, 
+            // without it the game seems to work just fine 
+            pid += 1;
+            J32D_IO_STATUS payload;
+            memset(&payload, 0, sizeof(J32D_IO_STATUS));
+            auto &buttons = get_buttons();
+
+            if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::DrumHiTom])) {
+                payload.high_tom = 4092;
+            }
+
+            if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::DrumLowTom])) {
+                payload.low_tom = 4092;
+            }
+
+            if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::DrumSnare])) {
+                payload.snare = 4092;
+            }
+
+            if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::DrumFloorTom])) {
+                payload.floor_tom = 4092;
+            }
+
+            if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::DrumLeftCymbal])) {
+                payload.left_cymbal = 4092;
+            }
+
+            if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::DrumRightCymbal])) {
+                payload.right_cymbal = 4092;
+            }
+
+            if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::DrumHiHat]) ||
+                    GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::DrumHiHatClosed]) ||
+                    GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::DrumHiHatHalfOpen])) {
+                payload.hihat = 4092;
+            }
+
+            if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::DrumBassPedal])) {
+                payload.pedals |= 1;
+            }
+            
+            if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::DrumLeftPedal])) {
+                payload.pedals |= 2; 
+            }
+
+            memcpy(msg->cmd.raw, &payload, sizeof(J32D_IO_STATUS));
+            write_msg(msg, response_buffer);
+            delete msg;
+            break;
+        }
+        default:
+#ifdef ACIOEMU_LOG
+            log_info("gitadora", "Unhandled cmd {} received.", msg_in->cmd.code);
+#endif
+            return false;
+    }
+
+    // mark as handled
+    return true;
+}
\ No newline at end of file
diff --git a/src/spice2x/games/gitadora/j32d.h b/src/spice2x/games/gitadora/j32d.h
new file mode 100644
index 0000000..5adedee
--- /dev/null
+++ b/src/spice2x/games/gitadora/j32d.h
@@ -0,0 +1,25 @@
+#pragma once
+#include "acioemu/device.h"
+#include "device.h"
+
+namespace games::gitadora {
+
+    class J32DSerialDevice : public GitadoraDevice {
+        private:
+            uint8_t coin_counter = 0;
+        public:
+            J32DSerialDevice();
+            bool parse_msg(acioemu::MessageData *msg_in, circular_buffer<uint8_t> *response_buffer) override;  
+            struct J32D_IO_STATUS {
+                uint16_t high_tom;
+                uint16_t low_tom;
+                uint16_t snare;
+                uint16_t floor_tom;
+                uint16_t left_cymbal;
+                uint16_t right_cymbal;
+                uint16_t hihat;
+                uint16_t unk7;
+                uint8_t pedals;
+            };
+        };
+}
\ No newline at end of file
diff --git a/src/spice2x/games/gitadora/j33i.cpp b/src/spice2x/games/gitadora/j33i.cpp
new file mode 100644
index 0000000..5cbd746
--- /dev/null
+++ b/src/spice2x/games/gitadora/j33i.cpp
@@ -0,0 +1,109 @@
+
+#include "misc/eamuse.h"
+#include "util/utils.h"
+#include "util/time.h"
+#include "io.h"
+#include "j33i.h"
+
+
+#define GUITAR_BTN_R 0x7
+#define GUITAR_BTN_G 0x6
+#define GUITAR_BTN_B 0x5
+#define GUITAR_BTN_Y 0x4
+#define GUITAR_BTN_P 0x3
+#define GUITAR_PICK_DOWN 0xC
+#define GUITAR_PICK_UP 0xD
+
+using namespace acioemu;
+
+games::gitadora::J33ISerialDevice::J33ISerialDevice() {
+    this->node_count = 1;
+    log_info("gitadora", "J33I device created.");
+}
+
+bool games::gitadora::J33ISerialDevice::parse_msg(
+    MessageData *msg_in,
+    circular_buffer<uint8_t> *response_buffer) {
+
+#ifdef ACIOEMU_LOG
+    log_info("gitadora", "GTDR ADDR: {}, CMD: 0x{:04x}", msg_in->addr, msg_in->cmd.code);
+#endif
+
+    static uint8_t pid = 0;
+    // check command
+    switch (msg_in->cmd.code)
+    {
+        case ACIO_CMD_GET_VERSION: {
+            // send version data
+            auto msg = this->create_msg(msg_in, MSG_VERSION_SIZE);
+            this->set_version(msg, 0x10a, 0, 1, 0, 2, "J33I");
+            write_msg(msg, response_buffer);
+            delete msg;
+            break;
+        }
+        case ACIO_CMD_STARTUP:
+        case ACIO_CMD_CLEAR:
+        case 0x0120: {
+            if (msg_in->cmd.code == 0x0120) {
+                pid = msg_in->cmd.pid;
+                this->is_ready = true;
+            }
+            // send status 0
+            auto msg = this->create_msg_status(msg_in, 0);
+            write_msg(msg, response_buffer);
+            delete msg;
+            break;
+        }
+        // IO
+        case 0x012F: {
+            auto msg = this->create_msg(msg_in, 0x8);
+            msg->cmd.pid = pid;
+            pid += 1;
+            J33I_IO_STATUS payload;
+            memset(&payload, 0, sizeof(J33I_IO_STATUS));
+
+            bool picked = false;
+
+            auto &buttons = get_buttons();
+            if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::GuitarP1R])) {
+                payload.buttons |= 1 << GUITAR_BTN_R;
+            }
+
+            if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::GuitarP1G])) {
+                payload.buttons |= 1 << GUITAR_BTN_G;
+            }
+
+            if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::GuitarP1B])) {
+                payload.buttons |= 1 << GUITAR_BTN_B;
+            }
+
+            if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::GuitarP1Y])) {
+                payload.buttons |= 1 << GUITAR_BTN_Y;
+            }   
+
+            if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::GuitarP1P])) {
+                payload.buttons |= 1 << GUITAR_BTN_P;
+            }
+
+            if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::GuitarP1PickUp])) {
+                payload.buttons |= 1 << GUITAR_PICK_UP;
+                picked = true;
+            } else if (GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::GuitarP1PickDown]) && !picked) {
+                payload.buttons |= 1 << GUITAR_PICK_DOWN;
+            }
+
+            memcpy(msg->cmd.raw, &payload, sizeof(J33I_IO_STATUS));
+            write_msg(msg, response_buffer);
+            delete msg;
+            break;
+        }
+    default:
+#ifdef ACIOEMU_LOG
+        log_info("gitadora", "Unhandled cmd {} received.", msg_in->cmd.code);
+#endif
+        return false;
+    }
+
+    // mark as handled
+    return true;
+}
\ No newline at end of file
diff --git a/src/spice2x/games/gitadora/j33i.h b/src/spice2x/games/gitadora/j33i.h
new file mode 100644
index 0000000..e16b441
--- /dev/null
+++ b/src/spice2x/games/gitadora/j33i.h
@@ -0,0 +1,24 @@
+#pragma once
+
+#include "acioemu/device.h"
+#include "device.h"
+
+namespace games::gitadora {
+
+    class J33ISerialDevice : public GitadoraDevice {
+        private:
+            uint8_t coin_counter = 0;
+        public:
+            J33ISerialDevice();
+            bool parse_msg(acioemu::MessageData *msg_in, circular_buffer<uint8_t> *response_buffer) override;  
+            
+            // there may be more, but the game doesn't seem to care
+            // TODO: add support for gyroscope, knob and wail
+            struct J33I_IO_STATUS {
+                uint16_t gyroscope_x;
+                uint16_t gyroscope_y;
+                uint16_t gyroscope_z;
+                uint16_t buttons;
+            };
+        };
+}
\ No newline at end of file
diff --git a/src/spice2x/hooks/devicehook.cpp b/src/spice2x/hooks/devicehook.cpp
index 32571e6..5dc072b 100644
--- a/src/spice2x/hooks/devicehook.cpp
+++ b/src/spice2x/hooks/devicehook.cpp
@@ -399,6 +399,12 @@ static BOOL WINAPI ClearCommError_hook(HANDLE hFile, LPDWORD lpErrors, LPCOMSTAT
             lpStat->cbInQue = custom_handle->bytes_available();
         }
 
+        // gitadora arena model needs this, or else
+        // the game will keep spamming 0xAA
+        if (avs::game::is_model("M32") && (avs::game::SPEC[0] == 'C' || avs::game::SPEC[0] == 'D') && lpErrors) {
+            *lpErrors = 0;
+        }
+
         return TRUE;
     }
 
diff --git a/src/spice2x/launcher/launcher.cpp b/src/spice2x/launcher/launcher.cpp
index e81f529..2ab18fd 100644
--- a/src/spice2x/launcher/launcher.cpp
+++ b/src/spice2x/launcher/launcher.cpp
@@ -88,6 +88,7 @@
 #include "misc/device.h"
 #include "misc/eamuse.h"
 #include "misc/extdev.h"
+#include "misc/ami2000.h"
 #include "misc/sciunit.h"
 #include "misc/sde.h"
 #include "misc/wintouchemu.h"
@@ -195,6 +196,7 @@ int main_implementation(int argc, char *argv[]) {
     bool attach_icca = false;
     bool attach_device = false;
     bool attach_extdev = false;
+    bool attach_ami2000 = false;
     bool attach_sciunit = false;
     bool attach_cpusbxpkm_printer = false;
     bool attach_iidx = false;
@@ -428,8 +430,8 @@ int main_implementation(int argc, char *argv[]) {
     if (options[launcher::Options::EnableEXTDEVModule].value_bool()) {
         attach_extdev = true;
     }
-    if (options[launcher::Options::EnableSCIUNITModule].value_bool()) {
-        attach_sciunit = true;
+    if (options[launcher::Options::EnableAMI2000Module].value_bool()) {
+        attach_ami2000 = true;
     }
     if (options[launcher::Options::EnableDevicePassthrough].value_bool()) {
         hooks::device::ENABLE = false;
@@ -1640,6 +1642,7 @@ int main_implementation(int argc, char *argv[]) {
                 attach_io = true;
                 attach_device = true;
                 attach_extdev = true;
+                attach_ami2000 = true;
                 attach_gitadora = true;
                 break;
             }
@@ -2202,6 +2205,11 @@ int main_implementation(int argc, char *argv[]) {
         extdev_attach();
     }
 
+    // ami 2000 card reader attach
+    if (attach_io || attach_ami2000) {
+        ami2000_attach();
+    }
+
     // sci unit attach
     if (attach_io || attach_sciunit) {
         sciunit_attach();
diff --git a/src/spice2x/launcher/options.cpp b/src/spice2x/launcher/options.cpp
index 778e216..8f56197 100644
--- a/src/spice2x/launcher/options.cpp
+++ b/src/spice2x/launcher/options.cpp
@@ -1321,6 +1321,13 @@ static const std::vector<OptionDefinition> OPTION_DEFINITIONS = {
         .type = OptionType::Bool,
         .category = "I/O Modules",
     },
+    {
+        .title = "Enable AMI2000 Module",
+        .name = "ami2000",
+        .desc = "Manually enable AMI2000 emulation",
+        .type = OptionType::Bool,
+        .category = "I/O Modules",
+    },
     {
         .title = "Enable SCIUNIT Module",
         .name = "sciunit",
diff --git a/src/spice2x/launcher/options.h b/src/spice2x/launcher/options.h
index 6bed3fd..6ec5eaa 100644
--- a/src/spice2x/launcher/options.h
+++ b/src/spice2x/launcher/options.h
@@ -147,6 +147,7 @@ namespace launcher {
             EnableICCAModule,
             EnableDEVICEModule,
             EnableEXTDEVModule,
+            EnableAMI2000Module,
             EnableSCIUNITModule,
             EnableDevicePassthrough,
             ForceWinTouch,
diff --git a/src/spice2x/misc/ami2000.cpp b/src/spice2x/misc/ami2000.cpp
new file mode 100644
index 0000000..1679870
--- /dev/null
+++ b/src/spice2x/misc/ami2000.cpp
@@ -0,0 +1,85 @@
+#include "ami2000.h"
+#include "util/utils.h"
+#include "util/detour.h"
+#include "util/libutils.h"
+#include "misc/eamuse.h"
+#include "acio/icca/icca.h"
+
+
+static int CARD_TYPE = 0;
+static uint8_t CARD_UID[8];
+
+static void __fastcall AMI2000_Initialize() {
+    log_info("ami2000", "ami2000 initialize.");
+}
+
+static void __fastcall AMI2000_Startup() {
+    log_info("ami2000", "ami2000 startup.");
+}
+
+static void __fastcall AMI2000_Cleanup() {
+    log_info("ami2000", "ami2000 cleanup.");
+}
+
+static int __fastcall AMI2000_IsDeviceError() {
+    return 0;
+}
+
+static int __fastcall AMI2000_ReadCtrl() {
+    return 0;
+}
+
+static const char *__fastcall AMI2000_GetRomVersion() {
+    return "DUMMY";
+}
+
+static int __fastcall AMI2000_GetCardType() {
+    return CARD_TYPE;
+}
+
+static uint64_t __fastcall AMI2000_GetCardIdentifier() {
+    if (eamuse_card_insert_consume(1, 0)) {
+        eamuse_get_card(1, 0, CARD_UID);
+        CARD_TYPE = is_card_uid_felica(CARD_UID) ? 2 : 1;
+        log_info("ami2000", "AMI2000_GetCardIdentifier: {:X}", bswap64(*(uint64_t*)CARD_UID));
+    } else {
+        CARD_TYPE = 0;
+        return 0;
+    }
+    return bswap64(*(uint64_t *)CARD_UID);
+}
+
+
+void ami2000_attach() {
+    auto ami2000 = libutils::try_module("iccr-ami2000-api.dll");
+    
+    if (!ami2000) {
+        log_warning("ami2000", "module not found, skipping.");
+        return;
+    }
+
+    // card unit
+    detour::inline_hook((void *)AMI2000_Initialize, libutils::try_proc(
+            ami2000, "AMI2000_Initialize"));
+    detour::inline_hook((void *)AMI2000_Startup, libutils::try_proc(
+            ami2000, "AMI2000_Startup"));
+    detour::inline_hook((void *)AMI2000_IsDeviceError, libutils::try_proc(
+            ami2000, "AMI2000_IsDeviceError"));
+    detour::inline_hook((void *)AMI2000_ReadCtrl, libutils::try_proc(
+            ami2000, "AMI2000_ReadCtrl"));
+    detour::inline_hook((void *)AMI2000_Cleanup, libutils::try_proc(
+            ami2000, "AMI2000_Cleanup"));
+    detour::inline_hook((void *)AMI2000_GetRomVersion, libutils::try_proc(
+            ami2000, "AMI2000_GetRomVersion"));
+    detour::inline_hook((void *)AMI2000_GetCardType, libutils::try_proc(
+            ami2000, "AMI2000_GetCardType"));
+    detour::inline_hook((void *)AMI2000_GetCardIdentifier, libutils::try_proc(
+            ami2000, "AMI2000_GetCardIdentifier"));
+            
+    log_info("ami2000", "attached");
+}
+
+void ami2000_detach()
+{
+    
+}
diff --git a/src/spice2x/misc/ami2000.h b/src/spice2x/misc/ami2000.h
new file mode 100644
index 0000000..c604c33
--- /dev/null
+++ b/src/spice2x/misc/ami2000.h
@@ -0,0 +1,4 @@
+#pragma once
+
+void ami2000_attach();
+void ami2000_detach();
diff --git a/src/spice2x/util/utils.h b/src/spice2x/util/utils.h
index 747f171..d1166c5 100644
--- a/src/spice2x/util/utils.h
+++ b/src/spice2x/util/utils.h
@@ -350,4 +350,23 @@ static inline std::string wchar_to_u8(const wchar_t* wstr) {
     std::string out(size - 1, 0);
     WideCharToMultiByte(CP_UTF8, 0, wstr, -1, out.data(), size - 1, nullptr, nullptr);
     return out;
-}
\ No newline at end of file
+}
+
+// convert litte vs big endian
+inline uint64_t bswap64(uint64_t x) {
+#if defined(__GNUC__) || defined(__clang__)
+    return __builtin_bswap64(x);
+#endif
+#ifdef _MSC_VER
+    return _byteswap_uint64(x);
+#endif
+
+    return  (x >> 56) |
+           ((x >> 40) & 0x000000000000FF00ULL) |
+           ((x >> 24) & 0x0000000000FF0000ULL) |
+           ((x >>  8) & 0x00000000FF000000ULL) |
+           ((x <<  8) & 0x000000FF00000000ULL) |
+           ((x << 24) & 0x0000FF0000000000ULL) |
+           ((x << 40) & 0x00FF000000000000ULL) |
+            (x << 56);
+  }
\ No newline at end of file