X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fdraw2.c;h=5730d7b6d74daed7d2653d48c0b94efa08d06fc2;hb=0bc48495d3d3e00928d89ab35f95506262d60f92;hp=575f6f7d40d31dc3803c61d051203ebbd496b0f3;hpb=25eb407c56c95255fc1b88afe084bd5ae393193d;p=picodrive.git

diff --git a/pico/draw2.c b/pico/draw2.c
index 575f6f7..5730d7b 100644
--- a/pico/draw2.c
+++ b/pico/draw2.c
@@ -1,25 +1,18 @@
-// This is part of Pico Library
-
-// (c) Copyright 2007, Grazvydas "notaz" Ignotas
-// Free for non-commercial use.
-
-// For commercial use, separate licencing terms must be obtained.
-
-
-// this is a frame-based renderer, alternative to Dave's line based which is in Draw.c
-
+/*
+ * tile renderer
+ * (C) notaz, 2006-2008
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
 
 #include "pico_int.h"
 
-// port_config.h include must define these 2 defines:
-// #define START_ROW  1 // which row of tiles to start rendering at?
-// #define END_ROW   27 // ..end
-// one row means 8 pixels. If above example was used, (27-1)*8=208 lines would be rendered.
+#define START_ROW  0 // which row of tiles to start rendering at?
+#define END_ROW   28 // ..end
 
 #define TILE_ROWS END_ROW-START_ROW
 
-#define USE_CACHE
-
 // note: this is not implemented in ARM asm
 #if defined(DRAW2_OVERRIDE_LINE_WIDTH)
 #define LINE_WIDTH DRAW2_OVERRIDE_LINE_WIDTH
@@ -27,6 +20,9 @@
 #define LINE_WIDTH 328
 #endif
 
+static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)];
+unsigned char *PicoDraw2FB = PicoDraw2FB_;
+
 static int HighCache2A[41*(TILE_ROWS+1)+1+1]; // caches for high layers
 static int HighCache2B[41*(TILE_ROWS+1)+1+1];