diff --git a/src/main.c b/src/main.c
index df120e8..069facc 100644
--- a/src/main.c
+++ b/src/main.c
@@ -44,122 +44,56 @@ const uint8_t FVB[15 * 8] = {
 };
 
 int main(void) {
-    cursor_enable(false);
-    video_cls();
-
-    flipflap_init(GLG, 28, 8, 8, 26);
-    while (!flipflap_finished()) {
-        flipflap_poll();
-        crt_waitNextFrame();
-    }
-    video_enableHorizontalStretch(true);
-    video_enableVerticalStretch(true);
-    video_locate(18, 15);
-    printf("RetrOfficina GLG Programs");
-    video_enableHorizontalStretch(false);
-    video_enableVerticalStretch(false);
-    video_locate(20, 22);
-    printf("http://retrofficina.glgprograms.it/");
-
-    crt_waitFrames(250);
-    video_cls();
-    crt_waitFrames(100);
-
-    flipflap_init(FVB, 15, 8, 2, 40 - 15 / 2);
-    while (!flipflap_finished()) {
-        flipflap_poll();
-        crt_waitNextFrame();
-    }
-
-    video_enableHorizontalStretch(true);
-    video_enableVerticalStretch(true);
-    video_locate(10, 21);
-    printf("Firenze Vintage Bit");
-    video_locate(12, 36);
-    printf("2023");
-
-    crt_waitFrames(250);
-    video_cls();
-    crt_waitFrames(100);
-
-    const uint8_t trails[] = {5, 10, 20, 50};
-    for (uint8_t t = 0; t < countof(trails); ++t) {
-        matrix_init(trails[t]);
-        for (size_t f = 0; f < 120; ++f) {
-            matrix_poll();
-            crt_waitFrames(2);
-        }
-    }
-
-#if 0
-    for (int i = 0; i < 80; ++i) {
-        cursor_setXY(i, 0);
-
-        // TODO(giomba): add vsync?
-        delay_loop(US_TO_LOOPS(10000ULL));
-    }
-#endif
-
-    int counter = 0;
-    __asm__("di");
-
-#if 0
     for (;;) {
-        for (int i = 0; i < 50; ++i)
+        cursor_enable(false);
+        video_cls();
+
+        flipflap_init(GLG, 28, 8, 8, 26);
+        while (!flipflap_finished()) {
+            flipflap_poll();
             crt_waitNextFrame();
-
-        // wait();
-        counter++;
-
-        int scratch = counter;
-        uint8_t digits[4];
-        digits[3] = scratch % 10;
-        scratch /= 10;
-        digits[2] = scratch % 10;
-        scratch /= 10;
-        digits[1] = scratch % 10;
-        scratch /= 10;
-        digits[0] = scratch % 10;
-
-        for (int i = 0; i < 4; ++i) {
-            digits[i] += '0';
-            *((char *)(0xd000 + i)) = digits[i];
         }
-    }
-#endif
+        video_enableHorizontalStretch(true);
+        video_enableVerticalStretch(true);
+        video_locate(18, 15);
+        printf("RetrOfficina GLG Programs");
+        video_enableHorizontalStretch(false);
+        video_enableVerticalStretch(false);
+        video_locate(20, 22);
+        printf("http://retrofficina.glgprograms.it/");
 
-#if 0
-    char c = 'X';
-    for (;;) {
-        if (c == 'X')
-            c = ' ';
-        else
-            c = 'X';
+        crt_waitFrames(250);
+        video_cls();
+        crt_waitFrames(100);
 
-        *(((char *)0xd000) + 80 * 10 + 39) = c;
-        for (int i = 0; i < 10; ++i) {
-            delay_loop(US_TO_LOOPS(50000ULL));
+        flipflap_init(FVB, 15, 8, 2, 40 - 15 / 2);
+        while (!flipflap_finished()) {
+            flipflap_poll();
+            crt_waitNextFrame();
         }
-    }
-#endif
 
-#if 0
-    performance_test();
-#endif
+        video_enableHorizontalStretch(true);
+        video_enableVerticalStretch(true);
+        video_locate(10, 21);
+        printf("Firenze Vintage Bit");
+        video_locate(12, 36);
+        printf("2023");
 
-#if 0
-    cursor_setXY(39, 10);
+        crt_waitFrames(250);
+        video_cls();
+        crt_waitFrames(100);
 
-    for (;;) {
-        for (int i = 0; i < 16; ++i) {
-            cursor_setStartRaster(i);
-            cursor_setEndRaster(i);
-            crt_waitFrames(8);
+        const uint8_t trails[] = {5, 10, 20, 50};
+        for (uint8_t t = 0; t < countof(trails); ++t) {
+            matrix_init(trails[t]);
+            for (size_t f = 0; f < 120; ++f) {
+                matrix_poll();
+                crt_waitFrames(2);
+            }
         }
-    }
-#endif
 
-    crt_waitFrames(50);
+        crt_waitFrames(250);
+    }
 
     return 0;
 }