X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fmode4.c;h=22e30419b57b64712fe8fa97b86a08f20184127e;hb=b011c2af397e6fa9a9763a130d971915d2362d46;hp=1462dde5de7613af5d4d4d4066498f59d1b15587;hpb=ae87bffa0696eeb18ffb8d283992bc3881e8f241;p=picodrive.git

diff --git a/pico/mode4.c b/pico/mode4.c
index 1462dde..22e3041 100644
--- a/pico/mode4.c
+++ b/pico/mode4.c
@@ -1,3 +1,10 @@
+/*
+ * mode4/SMS renderer
+ * (C) notaz, 2009-2010
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
 /*
  * TODO:
  * - TMS9918 modes?
@@ -207,10 +214,12 @@ void PicoFrameStartMode4(void)
   }
 
   if (rendstatus != rendstatus_old || lines != rendlines) {
+    emu_video_mode_change(screen_offset, lines, 1);
     rendstatus_old = rendstatus;
     rendlines = lines;
-    emu_video_mode_change(screen_offset, lines, 1);
   }
+
+  DrawLineDest = (char *)DrawLineDestBase + screen_offset * DrawLineDestIncrement;
 }
 
 void PicoLineMode4(int line)
@@ -233,6 +242,8 @@ void PicoLineMode4(int line)
 
   if (PicoScanEnd != NULL)
     skip_next_line = PicoScanEnd(line + screen_offset);
+
+  DrawLineDest = (char *)DrawLineDest + DrawLineDestIncrement;
 }
 
 void PicoDoHighPal555M4(void)
@@ -256,6 +267,7 @@ void PicoDoHighPal555M4(void)
     t |= (t >> 4) & 0x08610861;
     *dpal = t;
   }
+  HighPal[0xe0] = 0;
 }
 
 static void FinalizeLineRGB555M4(int line)
@@ -265,7 +277,7 @@ static void FinalizeLineRGB555M4(int line)
 
   // standard FinalizeLine can finish it for us,
   // with features like scaling and such
-  FinalizeLineRGB555(0, line);
+  FinalizeLine555(0, line);
 }
 
 static void FinalizeLine8bitM4(int line)
@@ -278,13 +290,13 @@ static void FinalizeLine8bitM4(int line)
   memcpy32((int *)pd, (int *)(HighCol+8), 256/4);
 }
 
-void PicoDrawSetColorFormatMode4(int which)
+void PicoDrawSetOutputMode4(pdso_t which)
 {
   switch (which)
   {
-    case 2: FinalizeLineM4 = FinalizeLine8bitM4; break;
-    case 1: FinalizeLineM4 = FinalizeLineRGB555M4; break;
-    default:FinalizeLineM4 = NULL; break;
+    case PDF_8BIT:   FinalizeLineM4 = FinalizeLine8bitM4; break;
+    case PDF_RGB555: FinalizeLineM4 = FinalizeLineRGB555M4; break;
+    default:         FinalizeLineM4 = NULL; break;
   }
 }