--- a/tools/lib64gfx.h	Tue May 28 07:25:20 2019 +0300
+++ b/tools/lib64gfx.h	Tue May 28 10:32:12 2019 +0300
@@ -390,6 +390,13 @@
         vshift = 6 - ((rasterX * 2) & 6);
 
 
+#define DM_C64_GENERIC_CHAR_PIXEL(ximg) \
+    const int \
+        x = rasterX / 8, \
+        y = rasterY / 8, \
+        scroffs = y * (ximg)->fmt->chWidth + x; \
+
+
 //
 // Inline helper functions for pixel format decoding
 //
@@ -423,6 +430,95 @@
 }
 
 
+static inline int dmC64GetGenericCharSCPixel(Uint8 *col,
+    const DMC64Image *img, const int scroffs, const int rasterX,
+    const int chrbank, const size_t chroffs, const int chr,
+    const int cbank, const int bgcolor)
+{
+    if (chroffs >= img->charData[chrbank].size)
+    {
+        return dmError(DMERR_INVALID_DATA,
+            "Character map index #%d out of bounds for char ROM data.\n",
+            chr);
+    }
+
+    const int vshift = 7 - (rasterX & 7);
+    if ((img->charData[chrbank].data[chroffs] >> vshift) & 1)
+        *col = img->color[cbank].data[scroffs];
+    else
+        *col = bgcolor;
+
+    return DMERR_OK;
+}
+
+
+static inline int dmC64GetGenericCharMCPixel(Uint8 *col,
+    const DMC64Image *img, const int scroffs, const int rasterX,
+    const int chrbank, const size_t chroffs, const int chr,
+    const int cbank, const int bgcolor,
+    const int bgd022, const int bgd023)
+{
+    if (chroffs >= img->charData[chrbank].size)
+    {
+        return dmError(DMERR_INVALID_DATA,
+            "Character map index #%d out of bounds for char ROM data.\n",
+            chr);
+    }
+
+    const int ccol = img->color[cbank].data[scroffs];
+    if (ccol & 8)
+    {
+        const int vshift = 6 - (rasterX & 6);
+        switch ((img->charData[chrbank].data[chroffs] >> vshift) & 3)
+        {
+            case 0: *col = bgcolor; break;
+            case 1: *col = bgd022; break;
+            case 2: *col = bgd023; break;
+            case 3: *col = ccol & 15;
+        }
+    }
+    else
+    {
+        const int vshift = 7 - (rasterX & 7);
+        if ((img->charData[chrbank].data[chroffs] >> vshift) & 1)
+            *col = ccol & 7;
+        else
+            *col = bgcolor;
+    }
+
+    return DMERR_OK;
+}
+
+
+static inline int dmC64GetGenericCharECMPixel(Uint8 *col,
+    const DMC64Image *img, const int scroffs, const int rasterX,
+    const int chrbank, const size_t chroffs, const int chr,
+    const int cbank, const int bgcolor,
+    const int bgd022, const int bgd023, const int bgd024)
+{
+    if (chroffs >= img->charData[0].size)
+    {
+        return dmError(DMERR_INVALID_DATA,
+            "Character map index #%d out of bounds for char ROM data.\n",
+            chr);
+    }
+
+    const int vshift = 7 - (rasterX & 7);
+    if ((img->charData[chrbank].data[chroffs] >> vshift) & 1)
+        *col = img->color[cbank].data[scroffs] & 15;
+    else
+    switch ((chr >> 6) & 3)
+    {
+        case 0: *col = bgcolor; break;
+        case 1: *col = bgd022; break;
+        case 2: *col = bgd023; break;
+        case 3: *col = bgd024; break;
+    }
+
+    return DMERR_OK;
+}
+
+
 static inline const DMC64EncDecOp * fmtGetEncDecOp(const DMC64ImageFormat *fmt, const int index)
 {
     return &fmt->format->encdecOps[index];