Set TV type to match ROM region when using fast reboot

src/flashcart/flashcart.c

@@ -111,6 +111,7 @@ static flashcart_t *flashcart = &((flashcart_t) {
     .set_save_type = dummy_set_save_type,
     .set_save_writeback = NULL,
     .set_next_boot_mode = NULL,
+    .set_tv_type = NULL,
 });
 
 #ifdef NDEBUG
@@ -444,3 +445,11 @@ flashcart_err_t flashcart_set_next_boot_mode (flashcart_reboot_mode_t boot_mode)
 
     return flashcart->set_next_boot_mode(boot_mode);
 }
+
+flashcart_err_t flashcart_set_tv_type (flashcart_tv_type_t tv_type) {
+    if (!flashcart->set_tv_type) {
+        return FLASHCART_OK; /* optional — silently skip if unsupported */
+    }
+
+    return flashcart->set_tv_type(tv_type);
+}

src/flashcart/flashcart.h

@@ -56,6 +56,14 @@ typedef enum {
     FLASHCART_REBOOT_MODE_ROM,
 } flashcart_reboot_mode_t;
 
+/** @brief TV type to configure on the flashcart for fast reboot */
+typedef enum {
+    FLASHCART_TV_TYPE_PAL = 0,         /**< PAL */
+    FLASHCART_TV_TYPE_NTSC = 1,        /**< NTSC */
+    FLASHCART_TV_TYPE_MPAL = 2,        /**< MPAL */
+    FLASHCART_TV_TYPE_PASSTHROUGH = 3, /**< Use console's own TV type */
+} flashcart_tv_type_t;
+
 /** @brief Flashcart Disk Parameter Structure. */
 typedef struct {
     bool development_drive; /**< Development drive flag */
@@ -106,6 +114,8 @@ typedef struct {
     flashcart_err_t (*set_save_writeback) (char *save_path);
     /** @brief The flashcart set boot mode function */
     flashcart_err_t (*set_next_boot_mode) (flashcart_reboot_mode_t boot_mode);
+    /** @brief The flashcart set TV type function (optional, NULL if unsupported) */
+    flashcart_err_t (*set_tv_type) (flashcart_tv_type_t tv_type);
 } flashcart_t;
 
 /**
@@ -243,4 +253,15 @@ flashcart_err_t flashcart_get_voltage_temperature (uint16_t *voltage_mv, int16_t
 */
 flashcart_err_t flashcart_set_next_boot_mode (flashcart_reboot_mode_t boot_mode);
 
+/**
+ * @brief Set the TV type for the next ROM boot.
+ *
+ * Only meaningful when fast reboot is enabled. Has no effect if the
+ * flashcart does not support TV type configuration.
+ *
+ * @param tv_type The TV type to set.
+ * @return flashcart_err_t Error code.
+ */
+flashcart_err_t flashcart_set_tv_type (flashcart_tv_type_t tv_type);
+
 #endif /* FLASHCART_H__ */

src/flashcart/sc64/sc64.c

@@ -745,6 +745,13 @@ static flashcart_err_t sc64_set_bootmode (flashcart_reboot_mode_t boot_mode) {
     return FLASHCART_OK;
 }
 
+static flashcart_err_t sc64_set_tv_type (flashcart_tv_type_t tv_type) {
+    if (sc64_ll_set_config(CFG_ID_TV_TYPE, (uint32_t) tv_type) != SC64_OK) {
+        return FLASHCART_ERR_INT;
+    }
+    return FLASHCART_OK;
+}
+
 static flashcart_err_t sc64_get_button_state (bool *pressed) {
     uint32_t value;
 
@@ -785,6 +792,7 @@ static flashcart_t flashcart_sc64 = {
     .set_save_type = sc64_set_save_type,
     .set_save_writeback = sc64_set_save_writeback,
     .set_next_boot_mode = sc64_set_bootmode,
+    .set_tv_type = sc64_set_tv_type,
 };
 
 

src/menu/cart_load.c

@@ -136,6 +136,14 @@ cart_load_err_t cart_load_n64_rom_and_save (menu_t *menu, flashcart_progress_cal
         if (!flashcart_has_feature(FLASHCART_FEATURE_ROM_REBOOT_FAST)) {
             return CART_LOAD_ERR_FUNCTION_NOT_SUPPORTED;
         }
+        flashcart_tv_type_t tv;
+        switch (rom_info_get_tv_type(&menu->load.rom_info)) {
+            case ROM_TV_TYPE_PAL:  tv = FLASHCART_TV_TYPE_PAL;  break;
+            case ROM_TV_TYPE_NTSC: tv = FLASHCART_TV_TYPE_NTSC; break;
+            case ROM_TV_TYPE_MPAL: tv = FLASHCART_TV_TYPE_MPAL; break;
+            default:               tv = FLASHCART_TV_TYPE_PASSTHROUGH; break;
+        }
+        flashcart_set_tv_type(tv);
         menu->flashcart_err = flashcart_set_next_boot_mode(FLASHCART_REBOOT_MODE_ROM);
         if (menu->flashcart_err != FLASHCART_OK) {
             path_free(path);