Fixed a few graphic glitchs in zak256

svn-id: r3704

1 files changed, 31 insertions, 14 deletions

diff --git a/gfx.cpp b/gfx.cpp
index 09270b19a8..1a2d48290d 100644
--- a/gfx.cpp
+++ b/gfx.cpp
@@ -1217,10 +1217,41 @@ void Gdi::unkDecode6() {
 	} while (--_currentX);
 }
 
+/* Ender - Zak256/Indy256 decoders */
+#define READ_256BIT \
+ if ((mask <<= 1) == 256) {buffer = *src++;  mask = 1;}     \
+ bits = ((buffer & mask) != 0);
+
+#define NEXT_ROW                                               \
+                dst += 320;                                     \
+                if (--h == 0) {                                 \
+                        if (!--_currentX)                       \
+                                return;                         \
+                        dst -= _vertStripNextInc;               \
+                        h = _numLinesToProcess;                 \
+                }
+
 void Gdi::unkDecode7() {
 	byte *src = _smap_ptr;
 	byte *dst = _bgbak_ptr;
 	int height = _numLinesToProcess;
+	uint h = _numLinesToProcess;
+	
+	
+	if(_vm->_features & GF_OLD256)
+	{
+       		_currentX = 8;
+       		for(;;) {
+
+        		byte color = *src++;
+        
+   
+             			*dst = color;
+				NEXT_ROW
+		}
+       		return;
+	}
+	
 	do {
 		/* Endian safe */
 #if defined(SCUMM_NEED_ALIGNMENT)
@@ -1234,20 +1265,6 @@ void Gdi::unkDecode7() {
 	} while (--height);
 }
 
-/* Ender - Zak256/Indy256 decoders */
-#define READ_256BIT \
- if ((mask <<= 1) == 256) {buffer = *src++;  mask = 1;}     \
- bits = ((buffer & mask) != 0);
-
-#define NEXT_ROW                                               \
-                dst += 320;                                     \
-                if (--h == 0) {                                 \
-                        if (!--_currentX)                       \
-                                return;                         \
-                        dst -= _vertStripNextInc;               \
-                        h = _numLinesToProcess;                 \
-                }
-
 void Gdi::unkDecode8() {
        byte *src = _smap_ptr;
        byte *dst = _bgbak_ptr;