jb: add t44 support (#845)

With help from certain sea creature.

src/spice2x/CMakeLists.txt

@@ -411,6 +411,7 @@ set(SOURCE_FILES ${SOURCE_FILES}
         games/sdvx/sdvx_live2d.cpp
         games/sdvx/io.cpp
         games/sdvx/camera.cpp
+        games/jb/bi2x_hook.cpp
         games/jb/jb.cpp
         games/jb/jb_touch.cpp
         games/jb/io.cpp

src/spice2x/acioemu/icca.cpp

@@ -239,7 +239,7 @@ bool ICCADevice::parse_msg(MessageData *msg_in,
             // SDVX Old cabinet mode
             if (avs::game::is_model("KFC") && avs::game::SPEC[0] != 'G' && avs::game::SPEC[0] != 'H')
                 answer_type = 1;
-            if (avs::game::is_model("L44"))
+            if (avs::game::is_model({ "L44", "T44" }))
                 answer_type = 2;
 
             // check answer type

src/spice2x/avs/core.cpp

@@ -1114,6 +1114,7 @@ namespace avs {
 #endif
             // jubeat
             {"jubeat.dll", 0x2000000},
+            {"jubeat2019.dll", 0x10000000},
 
             // MUSECA
             {"museca.dll", 0xC000000},

src/spice2x/avs/ea3.cpp

@@ -591,6 +591,7 @@ namespace avs {
             // for proper reporting of Omnimix and other song packs
             if (_stricmp(EA3_MODEL, "LDJ") == 0 ||
                 _stricmp(EA3_MODEL, "L44") == 0 ||
+                _stricmp(EA3_MODEL, "T44") == 0 ||
                 _stricmp(EA3_MODEL, "M39") == 0 ||
                 _stricmp(EA3_MODEL, "KFC") == 0)
             {

src/spice2x/games/io.cpp

@@ -133,6 +133,7 @@ namespace games {
         buttons_help.insert({ jb, jb::get_buttons_help() });
         lights.insert({ jb, jb::get_lights() });
         file_hints[jb].push_back({"jubeat.dll"});
+        file_hints[jb].push_back({"jubeat2019.dll"});
 
         // mga
         const std::string mga("Metal Gear");

src/spice2x/games/jb/bi2x_hook.cpp

@@ -0,0 +1,336 @@
+#include "bi2x_hook.h"
+
+#if SPICE64
+
+#include <array>
+#include <cstdint>
+#include <cstring>
+
+#include "games/io.h"
+#include "games/jb/jb_touch.h"
+#include "io.h"
+#include "misc/eamuse.h"
+#include "rawinput/rawinput.h"
+#include "util/detour.h"
+#include "util/logging.h"
+
+namespace games::jb {
+
+    struct AIO_SCI_COMM {
+        std::array<uint8_t, 0x100> data;
+    };
+
+    struct AIO_NMGR_IOB2;
+
+    struct AIO_NMGR_IOB2_VTABLE {
+        std::array<void *, 10> unused;
+        void (__fastcall *begin_manage)(AIO_NMGR_IOB2 *node_mgr);
+    };
+
+    struct AIO_NMGR_IOB2 {
+        AIO_NMGR_IOB2_VTABLE *vtable;
+        std::array<uint8_t, 0x78> data;
+    };
+
+    struct AIO_IOB2_BI2X_T44 {
+        std::array<uint8_t, 0x80> data;
+    };
+
+    struct AIO_IOB2_BI2X_T44_DEVSTATUS {
+        std::array<uint8_t, 0x140> data;
+    };
+
+    struct AIO_IOB2_BI2X_WRFIRM {
+        uint8_t data;
+    };
+
+    static_assert(sizeof(AIO_NMGR_IOB2) == 0x80);
+    static_assert(sizeof(AIO_IOB2_BI2X_T44_DEVSTATUS) == 0x140);
+
+    using aioIob2Bi2xT44_Create_t = AIO_IOB2_BI2X_T44 *(__fastcall *)(AIO_NMGR_IOB2 *node_mgr,
+            uint32_t device_id);
+    using aioIob2Bi2xT44_GetDeviceStatus_t = void (__fastcall *)(AIO_IOB2_BI2X_T44 *node,
+            AIO_IOB2_BI2X_T44_DEVSTATUS *status);
+    using aioIob2Bi2xT44_IoReset_t = void (__fastcall *)(AIO_IOB2_BI2X_T44 *node, uint32_t reset);
+    using aioIob2Bi2xT44_SetWatchDogTimer_t = void (__fastcall *)(AIO_IOB2_BI2X_T44 *node, uint8_t count);
+    using aioIob2Bi2xT44_ControlCoinBlocker_t = void (__fastcall *)(AIO_IOB2_BI2X_T44 *node,
+            uint32_t slot, bool open);
+    using aioIob2Bi2xT44_AddCounter_t = void (__fastcall *)(AIO_IOB2_BI2X_T44 *node,
+            uint32_t counter, uint32_t count);
+    using aioIob2Bi2xT44_SetIccrLed_t = void (__fastcall *)(AIO_IOB2_BI2X_T44 *node, uint32_t color);
+    using aioIob2Bi2xT44_SetTapeLedData_t = void (__fastcall *)(AIO_IOB2_BI2X_T44 *node,
+            uint32_t tape, const void *data);
+    using aioIob2Bi2x_OpenSciUsbCdc_t = AIO_SCI_COMM *(__fastcall *)(uint32_t serial_number);
+    using aioIob2Bi2x_CreateWriteFirmContext_t = AIO_IOB2_BI2X_WRFIRM *(__fastcall *)(
+            uint32_t serial_number, uint32_t iob_mask);
+    using aioIob2Bi2x_DestroyWriteFirmContext_t = void (__fastcall *)(AIO_IOB2_BI2X_WRFIRM *context);
+    using aioIob2Bi2x_WriteFirmGetState_t = int32_t (__fastcall *)(AIO_IOB2_BI2X_WRFIRM *context);
+    using aioIob2Bi2x_WriteFirmIsCompleted_t = bool (__fastcall *)(int32_t state);
+    using aioIob2Bi2x_WriteFirmIsError_t = bool (__fastcall *)(int32_t state);
+    using aioNMgrIob2_Create_t = AIO_NMGR_IOB2 *(__fastcall *)(AIO_SCI_COMM *sci, uint32_t mode);
+    using aioSci_Destroy_t = void (__fastcall *)(AIO_SCI_COMM *sci);
+    using aioNodeMgr_Destroy_t = void (__fastcall *)(AIO_NMGR_IOB2 *node_mgr);
+    using aioNodeCtl_Destroy_t = void (__fastcall *)(AIO_IOB2_BI2X_T44 *node);
+    using aioNodeCtl_UpdateDevicesStatus_t = void (__fastcall *)();
+
+    static aioIob2Bi2xT44_Create_t aioIob2Bi2xT44_Create_orig = nullptr;
+    static aioIob2Bi2xT44_GetDeviceStatus_t aioIob2Bi2xT44_GetDeviceStatus_orig = nullptr;
+    static aioIob2Bi2xT44_IoReset_t aioIob2Bi2xT44_IoReset_orig = nullptr;
+    static aioIob2Bi2xT44_SetWatchDogTimer_t aioIob2Bi2xT44_SetWatchDogTimer_orig = nullptr;
+    static aioIob2Bi2xT44_ControlCoinBlocker_t aioIob2Bi2xT44_ControlCoinBlocker_orig = nullptr;
+    static aioIob2Bi2xT44_AddCounter_t aioIob2Bi2xT44_AddCounter_orig = nullptr;
+    static aioIob2Bi2xT44_SetIccrLed_t aioIob2Bi2xT44_SetIccrLed_orig = nullptr;
+    static aioIob2Bi2xT44_SetTapeLedData_t aioIob2Bi2xT44_SetTapeLedData_orig = nullptr;
+    static aioIob2Bi2x_OpenSciUsbCdc_t aioIob2Bi2x_OpenSciUsbCdc_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;
+    static aioIob2Bi2x_WriteFirmIsError_t aioIob2Bi2x_WriteFirmIsError_orig = nullptr;
+    static aioNMgrIob2_Create_t aioNMgrIob2_Create_orig = nullptr;
+    static aioSci_Destroy_t aioSci_Destroy_orig = nullptr;
+    static aioNodeMgr_Destroy_t aioNodeMgr_Destroy_orig = nullptr;
+    static aioNodeCtl_Destroy_t aioNodeCtl_Destroy_orig = nullptr;
+    static aioNodeCtl_UpdateDevicesStatus_t aioNodeCtl_UpdateDevicesStatus_orig = nullptr;
+
+    static AIO_SCI_COMM *aio_sci_comm = nullptr;
+    static AIO_NMGR_IOB2 *aio_node_mgr = nullptr;
+    static AIO_IOB2_BI2X_T44 *aio_t44 = nullptr;
+    static AIO_IOB2_BI2X_WRFIRM *aio_write_firm = nullptr;
+    static uint8_t input_counter = 0;
+
+    static void __fastcall aioNMgrIob_BeginManage(AIO_NMGR_IOB2 *) {
+    }
+
+    static AIO_NMGR_IOB2_VTABLE aio_node_mgr_vtable {
+        {},
+        aioNMgrIob_BeginManage,
+    };
+
+    static AIO_SCI_COMM *__fastcall aioIob2Bi2x_OpenSciUsbCdc(uint32_t) {
+        aio_sci_comm = new AIO_SCI_COMM {};
+        return aio_sci_comm;
+    }
+
+    static AIO_NMGR_IOB2 *__fastcall aioNMgrIob2_Create(AIO_SCI_COMM *sci, uint32_t mode) {
+        if (sci != aio_sci_comm) {
+            return aioNMgrIob2_Create_orig(sci, mode);
+        }
+
+        aio_node_mgr = new AIO_NMGR_IOB2 {};
+        aio_node_mgr->vtable = &aio_node_mgr_vtable;
+        return aio_node_mgr;
+    }
+
+    static AIO_IOB2_BI2X_T44 *__fastcall aioIob2Bi2xT44_Create(
+            AIO_NMGR_IOB2 *node_mgr, uint32_t device_id) {
+        if (node_mgr != aio_node_mgr) {
+            return aioIob2Bi2xT44_Create_orig(node_mgr, device_id);
+        }
+
+        log_info("jb::bi2x", "T44 node created");
+        aio_t44 = new AIO_IOB2_BI2X_T44 {};
+        return aio_t44;
+    }
+
+    static void __fastcall aioIob2Bi2xT44_GetDeviceStatus(
+            AIO_IOB2_BI2X_T44 *node, AIO_IOB2_BI2X_T44_DEVSTATUS *status) {
+        if (node != aio_t44) {
+            return aioIob2Bi2xT44_GetDeviceStatus_orig(node, status);
+        }
+
+        RI_MGR->devices_flush_output();
+        std::memset(status, 0, sizeof(*status));
+
+        status->data[0x00] = input_counter;
+        status->data[0x03] = input_counter++;
+        status->data[0x0A] = static_cast<uint8_t>(eamuse_coin_get_stock());
+
+        games::jb::touch_update();
+        const auto touched = games::jb::touch_state();
+        auto &buttons = get_buttons();
+
+        status->data[0x04] = GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Test]) ? 0xFF : 0;
+        status->data[0x05] = GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::Service]) ? 0xFF : 0;
+        status->data[0x06] = GameAPI::Buttons::getState(RI_MGR, buttons[Buttons::CoinMech]) ? 0xFF : 0;
+
+        static constexpr size_t PANEL_ORDER[16] = {
+            3, 7, 11, 15,
+            2, 6, 10, 14,
+            1, 5, 9, 13,
+            0, 4, 8, 12,
+        };
+        for (size_t status_index = 0; status_index < std::size(PANEL_ORDER); status_index++) {
+            const auto panel_index = PANEL_ORDER[status_index];
+            if (touched[panel_index] || GameAPI::Buttons::getState(
+                    RI_MGR, buttons[Buttons::Button1 + panel_index])) {
+                status->data[0x0F + status_index] = 0xFF;
+            }
+        }
+    }
+
+    static void __fastcall aioIob2Bi2xT44_IoReset(AIO_IOB2_BI2X_T44 *node, uint32_t reset) {
+        if (node != aio_t44) {
+            return aioIob2Bi2xT44_IoReset_orig(node, reset);
+        }
+    }
+
+    static void __fastcall aioIob2Bi2xT44_SetWatchDogTimer(AIO_IOB2_BI2X_T44 *node, uint8_t count) {
+        if (node != aio_t44) {
+            return aioIob2Bi2xT44_SetWatchDogTimer_orig(node, count);
+        }
+    }
+
+    static void __fastcall aioIob2Bi2xT44_ControlCoinBlocker(
+            AIO_IOB2_BI2X_T44 *node, uint32_t slot, bool open) {
+        if (node != aio_t44) {
+            return aioIob2Bi2xT44_ControlCoinBlocker_orig(node, slot, open);
+        }
+
+        eamuse_coin_set_block(!open);
+    }
+
+    static void __fastcall aioIob2Bi2xT44_AddCounter(
+            AIO_IOB2_BI2X_T44 *node, uint32_t counter, uint32_t count) {
+        if (node != aio_t44) {
+            return aioIob2Bi2xT44_AddCounter_orig(node, counter, count);
+        }
+    }
+
+    static void __fastcall aioIob2Bi2xT44_SetIccrLed(AIO_IOB2_BI2X_T44 *node, uint32_t color) {
+        if (node != aio_t44) {
+            return aioIob2Bi2xT44_SetIccrLed_orig(node, color);
+        }
+    }
+
+    static void __fastcall aioIob2Bi2xT44_SetTapeLedData(
+            AIO_IOB2_BI2X_T44 *node, uint32_t tape, const void *data) {
+        if (node != aio_t44) {
+            return aioIob2Bi2xT44_SetTapeLedData_orig(node, tape, data);
+        }
+    }
+
+    static AIO_IOB2_BI2X_WRFIRM *__fastcall aioIob2Bi2x_CreateWriteFirmContext(uint32_t, uint32_t) {
+        aio_write_firm = new AIO_IOB2_BI2X_WRFIRM {};
+        return aio_write_firm;
+    }
+
+    static void __fastcall aioIob2Bi2x_DestroyWriteFirmContext(AIO_IOB2_BI2X_WRFIRM *context) {
+        if (context != aio_write_firm) {
+            return aioIob2Bi2x_DestroyWriteFirmContext_orig(context);
+        }
+
+        delete aio_write_firm;
+        aio_write_firm = nullptr;
+    }
+
+    static int32_t __fastcall aioIob2Bi2x_WriteFirmGetState(AIO_IOB2_BI2X_WRFIRM *context) {
+        if (context != aio_write_firm) {
+            return aioIob2Bi2x_WriteFirmGetState_orig(context);
+        }
+        return 8;
+    }
+
+    static bool __fastcall aioIob2Bi2x_WriteFirmIsCompleted(int32_t state) {
+        if (aio_write_firm) {
+            return true;
+        }
+        return aioIob2Bi2x_WriteFirmIsCompleted_orig(state);
+    }
+
+    static bool __fastcall aioIob2Bi2x_WriteFirmIsError(int32_t state) {
+        if (aio_write_firm) {
+            return false;
+        }
+        return aioIob2Bi2x_WriteFirmIsError_orig(state);
+    }
+
+    static void __fastcall aioSci_Destroy(AIO_SCI_COMM *sci) {
+        if (sci != aio_sci_comm) {
+            return aioSci_Destroy_orig(sci);
+        }
+
+        delete aio_sci_comm;
+        aio_sci_comm = nullptr;
+    }
+
+    static void __fastcall aioNodeMgr_Destroy(AIO_NMGR_IOB2 *node_mgr) {
+        if (node_mgr != aio_node_mgr) {
+            return aioNodeMgr_Destroy_orig(node_mgr);
+        }
+
+        delete aio_node_mgr;
+        aio_node_mgr = nullptr;
+    }
+
+    static void __fastcall aioNodeCtl_Destroy(AIO_IOB2_BI2X_T44 *node) {
+        if (node != aio_t44) {
+            return aioNodeCtl_Destroy_orig(node);
+        }
+
+        delete aio_t44;
+        aio_t44 = nullptr;
+    }
+
+    static void __fastcall aioNodeCtl_UpdateDevicesStatus() {
+    }
+
+    void bi2x_hook_init() {
+        static bool initialized = false;
+        if (initialized) {
+            return;
+        }
+        initialized = true;
+
+        log_info("jb::bi2x", "initializing T44 hooks");
+
+        const auto libaio_iob2_video = "libaio-iob2_video.dll";
+        detour::trampoline_try(libaio_iob2_video, "aioIob2Bi2xT44_Create",
+                aioIob2Bi2xT44_Create, &aioIob2Bi2xT44_Create_orig);
+        detour::trampoline_try(libaio_iob2_video,
+                "?GetDeviceStatus@AIO_IOB2_BI2X_T44@@QEBAXAEAUDEVSTATUS@1@@Z",
+                aioIob2Bi2xT44_GetDeviceStatus, &aioIob2Bi2xT44_GetDeviceStatus_orig);
+        detour::trampoline_try(libaio_iob2_video, "?IoReset@AIO_IOB2_BI2X_T44@@QEAAXI@Z",
+                aioIob2Bi2xT44_IoReset, &aioIob2Bi2xT44_IoReset_orig);
+        detour::trampoline_try(libaio_iob2_video,
+                "?SetWatchDogTimer@AIO_IOB2_BI2X_T44@@QEAAXE@Z",
+                aioIob2Bi2xT44_SetWatchDogTimer, &aioIob2Bi2xT44_SetWatchDogTimer_orig);
+        detour::trampoline_try(libaio_iob2_video,
+                "?ControlCoinBlocker@AIO_IOB2_BI2X_T44@@QEAAXI_N@Z",
+                aioIob2Bi2xT44_ControlCoinBlocker, &aioIob2Bi2xT44_ControlCoinBlocker_orig);
+        detour::trampoline_try(libaio_iob2_video, "?AddCounter@AIO_IOB2_BI2X_T44@@QEAAXII@Z",
+                aioIob2Bi2xT44_AddCounter, &aioIob2Bi2xT44_AddCounter_orig);
+        detour::trampoline_try(libaio_iob2_video, "?SetIccrLed@AIO_IOB2_BI2X_T44@@QEAAXI@Z",
+                aioIob2Bi2xT44_SetIccrLed, &aioIob2Bi2xT44_SetIccrLed_orig);
+        detour::trampoline_try(libaio_iob2_video,
+                "?SetTapeLedData@AIO_IOB2_BI2X_T44@@QEAAXIPEBX@Z",
+                aioIob2Bi2xT44_SetTapeLedData, &aioIob2Bi2xT44_SetTapeLedData_orig);
+
+        const auto libaio_iob = "libaio-iob.dll";
+        detour::trampoline_try(libaio_iob, "aioIob2Bi2x_OpenSciUsbCdc",
+                aioIob2Bi2x_OpenSciUsbCdc, &aioIob2Bi2x_OpenSciUsbCdc_orig);
+        detour::trampoline_try(libaio_iob, "aioIob2Bi2x_CreateWriteFirmContext",
+                aioIob2Bi2x_CreateWriteFirmContext, &aioIob2Bi2x_CreateWriteFirmContext_orig);
+        detour::trampoline_try(libaio_iob, "aioIob2Bi2x_DestroyWriteFirmContext",
+                aioIob2Bi2x_DestroyWriteFirmContext, &aioIob2Bi2x_DestroyWriteFirmContext_orig);
+        detour::trampoline_try(libaio_iob, "aioIob2Bi2x_WriteFirmGetState",
+                aioIob2Bi2x_WriteFirmGetState, &aioIob2Bi2x_WriteFirmGetState_orig);
+        detour::trampoline_try(libaio_iob, "aioIob2Bi2x_WriteFirmIsCompleted",
+                aioIob2Bi2x_WriteFirmIsCompleted, &aioIob2Bi2x_WriteFirmIsCompleted_orig);
+        detour::trampoline_try(libaio_iob, "aioIob2Bi2x_WriteFirmIsError",
+                aioIob2Bi2x_WriteFirmIsError, &aioIob2Bi2x_WriteFirmIsError_orig);
+        detour::trampoline_try(libaio_iob, "aioNMgrIob2_Create",
+                aioNMgrIob2_Create, &aioNMgrIob2_Create_orig);
+
+        const auto libaio = "libaio.dll";
+        detour::trampoline_try(libaio, "aioSci_Destroy", aioSci_Destroy, &aioSci_Destroy_orig);
+        detour::trampoline_try(libaio, "aioNodeMgr_Destroy",
+                aioNodeMgr_Destroy, &aioNodeMgr_Destroy_orig);
+        detour::trampoline_try(libaio, "aioNodeCtl_Destroy",
+                aioNodeCtl_Destroy, &aioNodeCtl_Destroy_orig);
+        detour::trampoline_try(libaio, "aioNodeCtl_UpdateDevicesStatus",
+                aioNodeCtl_UpdateDevicesStatus, &aioNodeCtl_UpdateDevicesStatus_orig);
+    }
+}
+
+#endif

src/spice2x/games/jb/bi2x_hook.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#if SPICE64
+
+namespace games::jb {
+    void bi2x_hook_init();
+}
+
+#endif

src/spice2x/games/jb/jb.cpp

@@ -3,6 +3,8 @@
 #include <windows.h>
 #include <filesystem>
 
+#include "avs/game.h"
+#include "bi2x_hook.h"
 #include "cfg/configurator.h"
 #include "util/logging.h"
 #include "util/detour.h"
@@ -10,6 +12,8 @@
 
 namespace games::jb {
 
+#if !SPICE64
+
     // fixes "IP ADDR CHANGE" errors with unusual network setups (e.g. a VPN)
     static BOOL __stdcall network_addr_is_changed() {
         return 0;
@@ -31,6 +35,8 @@ namespace games::jb {
         return 0;
     }
 
+#endif
+
     JBGame::JBGame() : Game("Jubeat") {
     }
 
@@ -60,8 +66,18 @@ namespace games::jb {
     void JBGame::attach() {
         Game::attach();
 
+#if SPICE64
+        if (avs::game::DLL_NAME == "jubeat2019.dll") {
+            libutils::load_library("libaio.dll");
+            libutils::load_library("libaio-iob.dll");
+            libutils::load_library("libaio-iob2_video.dll");
+            bi2x_hook_init();
+        }
+#endif
+
         touch_attach();
 
+#if !SPICE64
         // enable debug logging of gftools
         HMODULE gftools = libutils::try_module("gftools.dll");
         detour::inline_hook((void *) GFDbgSetReportFunc, libutils::try_proc(
@@ -75,6 +91,8 @@ namespace games::jb {
                 network, "network_get_network_check_info"));
         detour::inline_hook((void *) network_get_dhcp_result, libutils::try_proc(
                 network, "network_get_dhcp_result"));
+#endif
+
     }
 
     void JBGame::detach() {

src/spice2x/games/jb/jb_touch.cpp

@@ -20,6 +20,8 @@
 // (6, 8) in landscape.
 #define JB_BUTTON_SIZE 160
 #define JB_MAX_BUTTON_GAP 38
+#define JB_T44_BUTTON_SIZE 224
+#define JB_T44_BUTTON_GAP 33
 
 // improved and plus modes use this reach around each button. must be >= the
 // diagonal half of the widest gap (~27px) so the grid centre still reaches a button.
@@ -41,6 +43,7 @@ namespace games::jb {
     static std::atomic_bool TOUCH_ENABLE = false;
     static bool TOUCH_ATTACHED = false;
     static bool IS_PORTRAIT = true;
+    static bool IS_T44 = false;
     static std::atomic_uint16_t TOUCH_STATE = 0;
 
     // fixed-size contact view used by the debug overlay
@@ -85,35 +88,45 @@ namespace games::jb {
     // --- touch geometry ------------------------------------------------------
     // gaps between the four buttons along one axis (the middle gap is 1px wider)
     static const int JB_BUTTON_GAPS[3] = { 37, JB_MAX_BUTTON_GAP, 37 };
+    static const int JB_T44_BUTTON_GAPS[3] = {
+        JB_T44_BUTTON_GAP,
+        JB_T44_BUTTON_GAP,
+        JB_T44_BUTTON_GAP,
+    };
 
     struct AxisGeometry {
+        int size;
         int button[4]; // left/top edge of each button
     };
 
     // left/top edges of the four buttons along one axis, starting at `first`
-    static AxisGeometry axis_geometry(int first) {
+    static AxisGeometry axis_geometry(int first, int size, const int gaps[3]) {
         AxisGeometry g {};
+        g.size = size;
         g.button[0] = first;
         for (int i = 1; i < 4; i++) {
-            g.button[i] = g.button[i - 1] + JB_BUTTON_SIZE + JB_BUTTON_GAPS[i - 1];
+            g.button[i] = g.button[i - 1] + size + gaps[i - 1];
         }
         return g;
     }
 
     // button edges for the current orientation
     static void touch_geometry(AxisGeometry &gx, AxisGeometry &gy) {
-        if (IS_PORTRAIT) {
-            gx = axis_geometry(8);
-            gy = axis_geometry(602);
+        if (IS_T44) {
+            gx = axis_geometry(37, JB_T44_BUTTON_SIZE, JB_T44_BUTTON_GAPS);
+            gy = axis_geometry(864, JB_T44_BUTTON_SIZE, JB_T44_BUTTON_GAPS);
+        } else if (IS_PORTRAIT) {
+            gx = axis_geometry(8, JB_BUTTON_SIZE, JB_BUTTON_GAPS);
+            gy = axis_geometry(602, JB_BUTTON_SIZE, JB_BUTTON_GAPS);
         } else {
-            gx = axis_geometry(6);
-            gy = axis_geometry(8);
+            gx = axis_geometry(6, JB_BUTTON_SIZE, JB_BUTTON_GAPS);
+            gy = axis_geometry(8, JB_BUTTON_SIZE, JB_BUTTON_GAPS);
         }
     }
 
     // distance from `p` to a button along one axis (0 when inside)
-    static int axis_distance(int p, int button) {
-        int end = button + JB_BUTTON_SIZE - 1;
+    static int axis_distance(int p, int button, int size) {
+        int end = button + size - 1;
         if (p < button) {
             return button - p;
         }
@@ -131,8 +144,8 @@ namespace games::jb {
         int best_dist = 0;
         for (int r = 0; r < 4; r++) {
             for (int c = 0; c < 4; c++) {
-                int dx = axis_distance(px, gx.button[c]);
-                int dy = axis_distance(py, gy.button[r]);
+                int dx = axis_distance(px, gx.button[c], gx.size);
+                int dy = axis_distance(py, gy.button[r], gy.size);
                 int dist = dx * dx + dy * dy;
                 if (dist <= radius * radius && (best_index < 0 || dist < best_dist)) {
                     best_dist = dist;
@@ -145,7 +158,8 @@ namespace games::jb {
 
     // detection reach for the current algorithm (0 = register only inside a button)
     static int touch_radius() {
-        return TOUCH_ALGORITHM == AcAccurate ? 0 : JB_TOUCH_RADIUS;
+        return TOUCH_ALGORITHM == AcAccurate || (IS_T44 && TOUCH_ALGORITHM == Legacy) ?
+            0 : JB_TOUCH_RADIUS;
     }
 
     // mark the buttons a touch at (px, py) hits: only the nearest within `radius`, or
@@ -162,8 +176,8 @@ namespace games::jb {
         }
         for (int r = 0; r < 4; r++) {
             for (int c = 0; c < 4; c++) {
-                int dx = axis_distance(px, gx.button[c]);
-                int dy = axis_distance(py, gy.button[r]);
+                int dx = axis_distance(px, gx.button[c], gx.size);
+                int dy = axis_distance(py, gy.button[r], gy.size);
                 if (dx * dx + dy * dy <= radius * radius) {
                     state |= uint16_t(1) << (r * 4 + c);
                 }
@@ -184,11 +198,15 @@ namespace games::jb {
         // one-time touch window attach
         if (!TOUCH_ATTACHED) {
 
+            IS_T44 = avs::game::is_model("T44");
+            IS_PORTRAIT = IS_T44 || avs::game::is_model("L44");
+
             // find the game window: prefer the foreground window, else search by
-            // title (the model name prefixes the window title in every version)
+            // title (T44 uses a fixed title instead of the model prefix)
+            const char *window_title = IS_T44 ? "jubeat 10 main" : avs::game::MODEL;
             HWND wnd = GetForegroundWindow();
-            if (!string_begins_with(GetActiveWindowTitle(), avs::game::MODEL)) {
-                wnd = FindWindowBeginsWith(avs::game::MODEL);
+            if (!string_begins_with(GetActiveWindowTitle(), window_title)) {
+                wnd = FindWindowBeginsWith(window_title);
             }
             if (!wnd) {
                 log_warning("jubeat", "could not find window handle for touch");
@@ -197,10 +215,6 @@ namespace games::jb {
                 return;
             }
 
-            // only the L44 model runs in portrait; set this before starting the
-            // touch-window thread so the renderer only observes the final value
-            IS_PORTRAIT = avs::game::is_model("L44");
-
             log_info("jubeat", "using window handle for touch: {}", fmt::ptr(wnd));
 
             // let the rawinput stack correct the aspect ratio
@@ -232,7 +246,7 @@ namespace games::jb {
             return !touch_matured(tp, now_ms, threshold_ms);
         });
 
-        if (TOUCH_ALGORITHM == Legacy) {
+        if (TOUCH_ALGORITHM == Legacy && !IS_T44) {
 
             // legacy: evenly divide the play area into a 4x4 grid
             auto offset = IS_PORTRAIT ? 580 : 0;
@@ -311,7 +325,7 @@ namespace games::jb {
                 for (int c = 0; c < 4; c++) {
                     cells[r * 4 + c] = {
                         gx.button[c], gy.button[r],
-                        gx.button[c] + JB_BUTTON_SIZE, gy.button[r] + JB_BUTTON_SIZE
+                        gx.button[c] + gx.size, gy.button[r] + gy.size
                     };
                 }
             }
@@ -352,8 +366,8 @@ namespace games::jb {
                              const AxisGeometry &gx, const AxisGeometry &gy, int arc_radius) {
         int c = index % 4;
         int r = index / 4;
-        double mid = std::atan2((gy.button[r] + JB_BUTTON_SIZE / 2) - py,
-                                (gx.button[c] + JB_BUTTON_SIZE / 2) - px);
+        double mid = std::atan2((gy.button[r] + gy.size / 2) - py,
+                    (gx.button[c] + gx.size / 2) - px);
         const double quarter = 3.14159265358979323846 / 2.0;
         const int segments = 16;
         POINT arc[segments + 1];
@@ -425,7 +439,7 @@ namespace games::jb {
         }
 
         // legacy divides the field evenly; the other algorithms use button squares
-        bool legacy = (TOUCH_ALGORITHM == Legacy);
+        bool legacy = TOUCH_ALGORITHM == Legacy && !IS_T44;
         AxisGeometry gx {}, gy {};
         if (!legacy) {
             touch_geometry(gx, gy);

src/spice2x/hooks/lang.cpp

@@ -296,8 +296,9 @@ void hooks::lang::early_init() {
             &GetLocaleInfoA_orig);
     }
 
-    // for TDJ subscreen search keyboard
-    if (avs::game::is_model("LDJ") && games::iidx::TDJ_MODE) {
+    // for TDJ subscreen search keyboard and T44 narrow-string handling
+    if ((avs::game::is_model("LDJ") && games::iidx::TDJ_MODE) ||
+        avs::game::is_model("T44")) {
         log_info("hooks::lang", "hooking IsDBCSLeadByte");
         detour::trampoline_try(
             "kernel32.dll",
@@ -306,7 +307,7 @@ void hooks::lang::early_init() {
             &IsDBCSLeadByte_orig);
     }
 
-    if (games::gitadora::is_arena_model()) {
+    if (games::gitadora::is_arena_model() || avs::game::is_model("T44")) {
         log_info("hooks::lang", "hooking WideCharToMultiByte");
         detour::trampoline_try(
             "kernel32.dll",

src/spice2x/launcher/launcher.cpp

@@ -1855,6 +1855,13 @@ int main_implementation(int argc, char *argv[]) {
                 break;
             }
 
+            if (check_dll("jubeat2019.dll")) {
+                avs::game::DLL_NAME = "jubeat2019.dll";
+                attach_io = true;
+                attach_jb = true;
+                break;
+            }
+
             // RB
             if (check_dll("reflecbeat.dll")) {
                 avs::game::DLL_NAME = "reflecbeat.dll";
@@ -2283,7 +2290,7 @@ int main_implementation(int argc, char *argv[]) {
         games.push_back(new games::sdvx::SDVXGame());
     }
     if (attach_jb) {
-        avs::core::set_default_heap_size("jubeat.dll");
+        avs::core::set_default_heap_size(avs::game::DLL_NAME);
         games.push_back(new games::jb::JBGame());
     }
     if (attach_nostalgia) {

src/spice2x/misc/eamuse.cpp

@@ -673,7 +673,8 @@ void eamuse_autodetect_game() {
         eamuse_set_game("Beatmania IIDX");
     else if (avs::game::is_model("J44") ||
              avs::game::is_model("K44") ||
-             avs::game::is_model("L44"))
+             avs::game::is_model("L44") ||
+             avs::game::is_model("T44"))
         eamuse_set_game("Jubeat");
     else if (avs::game::is_model("KDM"))
         eamuse_set_game("Dance Evolution");