--- a/tools/lib64gfx.h	Sun Jun 24 03:37:00 2018 +0300
+++ b/tools/lib64gfx.h	Sun Jun 24 05:35:23 2018 +0300
@@ -28,21 +28,23 @@
 #define C64_SCR_PAR_XY         (0.9365f)
 
 // Sprite constants
-#define C64_SPR_WIDTH          3 // bytes
-#define C64_SPR_HEIGHT         21 // lines
-#define C64_SPR_WIDTH_PX       (8 * C64_SPR_WIDTH)
-#define C64_SPR_SIZE           ((C64_SPR_WIDTH * C64_SPR_HEIGHT) + 1)
+#define C64_SPR_WIDTH_PX       24
+#define C64_SPR_HEIGHT_PX      21
+#define C64_SPR_WIDTH_UT       (C64_SPR_WIDTH_PX / 8) // bytes
+#define C64_SPR_HEIGHT_UT      C64_SPR_HEIGHT_PX
+#define C64_SPR_SIZE           ((C64_SPR_WIDTH_UT * C64_SPR_HEIGHT_UT) + 1)
 
 // Character constants
-#define C64_CHR_WIDTH          1 // bytes
-#define C64_CHR_HEIGHT         8 // lines
-#define C64_CHR_WIDTH_PX       (8 * C64_CHR_WIDTH)
-#define C64_CHR_SIZE           (C64_CHR_WIDTH * C64_CHR_HEIGHT)
+#define C64_CHR_WIDTH_PX       8
+#define C64_CHR_HEIGHT_PX      8
+#define C64_CHR_WIDTH_UT       1 // bytes
+#define C64_CHR_HEIGHT_UT      8 // lines
+#define C64_CHR_SIZE           (C64_CHR_WIDTH_UT * C64_CHR_HEIGHT_UT)
 
 // Etc.
 #define C64_NCOLORS            16
 #define C64_VIDBANK_SIZE       (16*1024)
-#define C64_MAX_SPRITES        (C64_VIDBANK_SIZE / C64_SPR_SIZE)
+#define C64_MAX_SPRITES        1024
 #define C64_MAX_CHARS          256
 
 
@@ -130,7 +132,7 @@
 {
     BOOL multicolor, xexpand, yexpand;
     int color, xc, yc;
-    Uint8 data[C64_SPR_HEIGHT][C64_SPR_WIDTH];
+    Uint8 data[C64_SPR_HEIGHT_UT][C64_SPR_WIDTH_UT];
 } DMC64Sprite;