--- a/tools/lib64gfx.h	Sat Nov 25 06:06:18 2023 +0200
+++ b/tools/lib64gfx.h	Sat Nov 25 15:56:18 2023 +0200
@@ -324,35 +324,34 @@
 } DMC64ImageFormat;
 
 
-//
 // Compression types
-//
 enum
 {
-    DM_COMP_RLE_MARKER      = 1, // RLE with a separate marker byte
-    DM_COMP_RLE_MASK        = 2, // RLE that has marker bits and lower part acts as run length
+    DM_COMP_TYPE_RLE_MARKER      = 1, // RLE with a separate marker byte
+    DM_COMP_TYPE_RLE_MASK        = 2, // RLE that has marker bits and lower part acts as run length
 };
 
 
 // Compression flags
 enum
 {
-    DM_RLE_BYTE_RUNS        = 0x0001, // Uses one-byte run lengths
-    DM_RLE_WORD_RUNS        = 0x0002, // Uses two-byte (word) run lengths
-    DM_RLE_RUNS_MASK        = 0x000f,
+    DM_COMP_RLE_BYTE_RUNS        = 0x000010, // Uses one-byte run lengths
+    DM_COMP_RLE_WORD_RUNS        = 0x000020, // Uses two-byte (word) run lengths
+    DM_COMP_RLE_RUNS_MASK        = 0x0000f0,
 
-    DM_RLE_ORDER_1          = 0x0010, // Order: <marker>, <count/run length>, <data>
-    DM_RLE_ORDER_2          = 0x0020, // Order: <marker>, <data>, <count/run length>
-    DM_RLE_ORDER_MASK       = 0x00f0,
+    DM_COMP_RLE_ORDER_1          = 0x000100, // Order: <marker>, <count/run length>, <data>
+    DM_COMP_RLE_ORDER_2          = 0x000200, // Order: <marker>, <data>, <count/run length>
+    DM_COMP_RLE_ORDER_MASK       = 0x000f00,
 
-    DM_RLE_BACKWARDS_INPUT  = 0x0100, // Input is read backwards
-    DM_RLE_BACKWARDS_OUTPUT = 0x0200, // Output is written backwards
-    DM_RLE_ZERO_COUNT_MAX   = 0x0400, // Zero "count" / run length value is max run (2^8, 2^16)
+    DM_COMP_RLE_ZERO_COUNT_MAX   = 0x001000, // Zero "count" / run length value is max run (2^8, 2^16)
+
+    DM_COMP_INPUT_BACKWARDS      = 0x010000, // Input stream is read backwards
+    DM_COMP_OUTPUT_BACKWARDS     = 0x020000, // Output stream is written backwards
 
-    DM_OUT_CROP_NONE        = 0x0000,
-    DM_OUT_CROP_START       = 0x1000,
-    DM_OUT_CROP_END         = 0x2000,
-    DM_OUT_CROP_MASK        = 0xf000,
+    DM_COMP_OUTPUT_CROP_NONE     = 0x000000,
+    DM_COMP_OUTPUT_CROP_START    = 0x100000,
+    DM_COMP_OUTPUT_CROP_END      = 0x200000,
+    DM_COMP_OUTPUT_CROP_MASK     = 0xf00000,
 };
 
 
@@ -360,15 +359,15 @@
 {
     char *func;
     size_t cropOutLen;
-    int type;                // DM_COMP_*
-    int flags;               //
+    int type;                // Compression type DM_COMP_
+    int flags;               // Compression flags
 
     Uint8
-        // DM_COMP_RLE_MARKER mode
-        rleMarkerB,          // Marker byte for byte length runs (if DM_RLE_BYTE_RUNS used)
-        rleMarkerW,          // Marker byte for word length runs (if DM_RLE_WORD_RUNS used)
+        // DM_COMP_TYPE_RLE_MARKER mode
+        rleMarkerB,          // Marker byte for byte length runs (if DM_COMP_RLE_BYTE_RUNS used)
+        rleMarkerW,          // Marker byte for word length runs (if DM_COMP_RLE_WORD_RUNS used)
 
-        // DM_COMP_RLE_MASK mode
+        // DM_COMP_TYPE_RLE_MASK mode
         rleMarkerBits,
         rleMarkerMask,       // Mask bits for marker: data & rleMarkerMask == rleMarkerBits
         rleCountMask;        // Mask bits for length: count = data & rleCountMask