gitadora: Added support for GITADORA Delta (#476)

## Link to GitHub Issue, if one exists None ## Description of change - Added bi2x_hook - Added J32D (drum) and J33I (guitar) emulations - AMI2000 card reader (this game uses this instead of ICCA) ## Testing Played through a 15-minute session on Drummania. Guitar mode works with keyboard input.
2026-08-02 14:50:41 -07:00 · 2025-12-29 11:17:06 +11:00
parent d4f1768bbd
commit 07a0df5fdc
19 changed files with 1247 additions and 7 deletions
@@ -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;
+}