diff --git a/programs/system/drivers/ati2d/accel_2d.h b/programs/system/drivers/ati2d/accel_2d.h
index 09691f2644..0836e569ca 100644
--- a/programs/system/drivers/ati2d/accel_2d.h
+++ b/programs/system/drivers/ati2d/accel_2d.h
@@ -1,13 +1,16 @@
 
-#define FILL_RECT  1
-#define DRAW_RECT  2
-#define LINE_2P    3
-#define BLIT       4
-#define COMPIZ     5
-#define PIXMAP     6
-#define PIXBLIT    7
-#define PIXLOCK    8
-#define PIXUNLOCK  9
+#define FILL_RECT    1
+#define DRAW_RECT    2
+#define LINE_2P      3
+#define BLIT         4
+#define COMPIZ       5
+#define PIXMAP       6
+#define PIXBLIT      7
+#define PIXLOCK      8
+#define PIXUNLOCK    9
+#define PIXDESTROY  10
+#define TRANSBLIT   11
+
 
 typedef unsigned int color_t;
 
@@ -95,10 +98,12 @@ int Blit(blit_t *blit);
 int RadeonComposite( blit_t *blit);
 
 int CreatePixmap(userpixmap_t *io);
+int DestroyPixmap(userpixmap_t *io);
+int LockPixmap(userpixmap_t *io);
+int UnlockPixmap(userpixmap_t *io);
 
 int PixBlit(pixblit_t* blit);
 
-int LockPixmap(userpixmap_t *io);
 
 # define RADEON_GMC_SRC_PITCH_OFFSET_CNTL (1 << 0)
 #	define RADEON_GMC_DST_PITCH_OFFSET_CNTL	(1 << 1)
@@ -123,6 +128,8 @@ int LockPixmap(userpixmap_t *io);
 
 # define RADEON_CNTL_PAINT             0x00009100
 # define RADEON_CNTL_BITBLT            0x00009200
+# define RADEON_CNTL_TRANBLT           0x00009C00
+
 
 # define RADEON_CNTL_PAINT_POLYLINE    0x00009500
 # define RADEON_CNTL_PAINT_MULTI       0x00009A00
diff --git a/programs/system/drivers/ati2d/accel_2d.inc b/programs/system/drivers/ati2d/accel_2d.inc
index 681d63b7e0..3a9bd0e053 100644
--- a/programs/system/drivers/ati2d/accel_2d.inc
+++ b/programs/system/drivers/ati2d/accel_2d.inc
@@ -196,16 +196,20 @@ int Line2P(line2p_t *draw)
 
 #if R300_PIO
 
-     R5xxFIFOWait(7);
+     R5xxFIFOWait(6);
 
-     OUTREG(R5XX_DP_GUI_MASTER_CNTL, rhd.gui_control | R5XX_ROP3_P |
-                                     R5XX_GMC_BRUSH_SOLID_COLOR |
-                                     R5XX_GMC_SRC_DATATYPE_COLOR);
+     OUTREG(R5XX_DP_GUI_MASTER_CNTL,
+            rhd.gui_control             |
+            R5XX_GMC_BRUSH_SOLID_COLOR  |
+            R5XX_GMC_SRC_DATATYPE_COLOR |
+            R5XX_GMC_CLR_CMP_CNTL_DIS   |
+            R5XX_GMC_WR_MSK_DIS         |
+            R5XX_ROP3_P
+            );
 
      OUTREG(R5XX_DST_LINE_PATCOUNT, 0x55 << R5XX_BRES_CNTL_SHIFT);
 
      OUTREG(R5XX_DP_BRUSH_FRGD_CLR, draw->color);
-     OUTREG(R5XX_DP_WRITE_MASK, 0xFFFFFFFF);
      OUTREG(R5XX_DST_PITCH_OFFSET, rhd.dst_pitch_offset);
 
      OUTREG(R5XX_DST_LINE_START,(y0<<16)|x0);
@@ -219,7 +223,9 @@ int Line2P(line2p_t *draw)
                   RADEON_GMC_BRUSH_SOLID_COLOR      |
                   RADEON_GMC_DST_32BPP              |
                   RADEON_GMC_SRC_DATATYPE_COLOR     |
-                  (1 << 28)+(1 << 30) | R5XX_ROP3_P);
+                  R5XX_GMC_CLR_CMP_CNTL_DIS         |
+                  R5XX_GMC_WR_MSK_DIS               |
+                  R5XX_ROP3_P);
 
          OUT_RING(rhd.dst_pitch_offset);
          OUT_RING(draw->color);
@@ -365,6 +371,14 @@ int UnlockPixmap(userpixmap_t *io)
   if( (pixmap->flags & 1) != PX_LOCK )
     return ERR_PARAM;
 
+/*   Sanity checks  */
+
+  if( (pixmap->usermap == 0)||
+      ((u32_t)pixmap->usermap >= 0x80000000) ||
+      ((u32_t)pixmap->usermap & 4095)
+    )
+    return ERR_PARAM;
+
   size = (pixmap->pitch*pixmap->width+4095) & ~ 4095;
 
   UnmapPages(pixmap->usermap, size);
@@ -403,6 +417,32 @@ int PixBlit(pixblit_t *blit)
 
      ifl = safe_cli();
 
+#if R300_PIO
+
+     R5xxFIFOWait(7);
+
+     OUTREG(R5XX_DP_GUI_MASTER_CNTL,
+            RADEON_GMC_SRC_PITCH_OFFSET_CNTL  |
+            RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
+            RADEON_GMC_BRUSH_NONE             |
+            RADEON_GMC_DST_32BPP              |
+            RADEON_GMC_SRC_DATATYPE_COLOR     |
+            RADEON_DP_SRC_SOURCE_MEMORY       |
+            R5XX_GMC_CLR_CMP_CNTL_DIS         |
+            R5XX_GMC_WR_MSK_DIS               |
+            R5XX_ROP3_S
+           );
+
+     OUTREG(R5XX_DP_CNTL, R5XX_DST_X_LEFT_TO_RIGHT | R5XX_DST_Y_TOP_TO_BOTTOM);
+
+     OUTREG(R5XX_DST_PITCH_OFFSET, dstpixmap->pitch_offset);
+     OUTREG(R5XX_SRC_PITCH_OFFSET, srcpixmap->pitch_offset);
+
+     OUTREG(R5XX_SRC_Y_X,(blit->src_y<<16)|blit->src_x);
+     OUTREG(R5XX_DST_Y_X,(blit->dst_y<<16)|blit->dst_x);
+     OUTREG(R5XX_DST_HEIGHT_WIDTH,(blit->h<<16)|blit->w);
+
+#else
 
      BEGIN_RING();
        OUT_RING(CP_PACKET3(RADEON_CNTL_BITBLT, 5));
@@ -413,7 +453,10 @@ int PixBlit(pixblit_t *blit)
                 RADEON_GMC_DST_32BPP              |
                 RADEON_GMC_SRC_DATATYPE_COLOR     |
                 RADEON_DP_SRC_SOURCE_MEMORY       |
-                (1 << 28)+(1 << 30) | R5XX_ROP3_S);
+                R5XX_GMC_CLR_CMP_CNTL_DIS         |
+                R5XX_GMC_WR_MSK_DIS               |
+                R5XX_ROP3_S
+               );
 
        OUT_RING(srcpixmap->pitch_offset);
        OUT_RING(dstpixmap->pitch_offset);
@@ -423,6 +466,8 @@ int PixBlit(pixblit_t *blit)
        OUT_RING((blit->w<<16)|blit->h);
      COMMIT_RING();
 
+#endif
+
      safe_sti(ifl);
   return ERR_OK;
 }
@@ -439,7 +484,7 @@ int TransBlit(pixblit_t *blit)
      pixmap_t *srcpixmap;
      pixmap_t *dstpixmap;
 
-     dbgprintf("Transblit src: %x dst: %x\n",blit->srcpix, blit->dstpix);
+    // dbgprintf("Transblit src: %x dst: %x\n",blit->srcpix, blit->dstpix);
 
      dstpixmap = (blit->dstpix == (void*)-1) ? &scr_pixmap : blit->dstpix ;
      srcpixmap = (blit->srcpix == (void*)-1) ? &scr_pixmap : blit->srcpix ;
@@ -453,6 +498,36 @@ int TransBlit(pixblit_t *blit)
 
      ifl = safe_cli();
 
+#if R300_PIO
+
+     R5xxFIFOWait(10);
+
+     OUTREG(R5XX_DP_GUI_MASTER_CNTL,
+            RADEON_GMC_SRC_PITCH_OFFSET_CNTL  |
+            RADEON_GMC_DST_PITCH_OFFSET_CNTL  |
+            RADEON_GMC_BRUSH_NONE             |
+            RADEON_GMC_DST_32BPP              |
+            RADEON_GMC_SRC_DATATYPE_COLOR     |
+            RADEON_DP_SRC_SOURCE_MEMORY       |
+            R5XX_GMC_WR_MSK_DIS               |
+            R5XX_ROP3_S
+           );
+
+     OUTREG(R5XX_DP_CNTL, R5XX_DST_X_LEFT_TO_RIGHT | R5XX_DST_Y_TOP_TO_BOTTOM);
+
+     OUTREG(R5XX_CLR_CMP_CLR_SRC, 0xFF000000);
+     OUTREG(R5XX_CLR_CMP_MASK, R5XX_CLR_CMP_MSK);
+     OUTREG(R5XX_CLR_CMP_CNTL, R5XX_SRC_CMP_EQ_COLOR | R5XX_CLR_CMP_SRC_SOURCE);
+
+     OUTREG(R5XX_DST_PITCH_OFFSET, dstpixmap->pitch_offset);
+     OUTREG(R5XX_SRC_PITCH_OFFSET, srcpixmap->pitch_offset);
+
+     OUTREG(R5XX_SRC_Y_X,(blit->src_y<<16)|blit->src_x);
+     OUTREG(R5XX_DST_Y_X,(blit->dst_y<<16)|blit->dst_x);
+     OUTREG(R5XX_DST_HEIGHT_WIDTH,(blit->h<<16)|blit->w);
+
+#else
+
      BEGIN_RING();
        OUT_RING(CP_PACKET3(RADEON_CNTL_TRANBLT, 8));
 
@@ -462,20 +537,25 @@ int TransBlit(pixblit_t *blit)
                 RADEON_GMC_DST_32BPP              |
                 RADEON_GMC_SRC_DATATYPE_COLOR     |
                 RADEON_DP_SRC_SOURCE_MEMORY       |
-                (1 << 30) | R5XX_ROP3_S);
+                R5XX_GMC_WR_MSK_DIS               |
+                R5XX_ROP3_S
+               );
 
        OUT_RING(srcpixmap->pitch_offset);
        OUT_RING(dstpixmap->pitch_offset);
 
-       OUT_RING((2<<24)+5);
+       OUT_RING(R5XX_CLR_CMP_SRC_SOURCE | R5XX_SRC_CMP_EQ_COLOR);
        OUT_RING(0xFF000000);
        OUT_RING(0xFF000000);
 
        OUT_RING((blit->src_x<<16)|blit->src_y);
        OUT_RING((blit->dst_x<<16)|blit->dst_y);
        OUT_RING((blit->w<<16)|blit->h);
+
      COMMIT_RING();
 
+#endif
+
      safe_sti(ifl);
   return ERR_OK;
 }
diff --git a/programs/system/drivers/ati2d/ati2d.c b/programs/system/drivers/ati2d/ati2d.c
index 60b71b9366..acacceba00 100644
--- a/programs/system/drivers/ati2d/ati2d.c
+++ b/programs/system/drivers/ati2d/ati2d.c
@@ -69,7 +69,7 @@ u32 __stdcall drvEntry(int action)
 
   R5xx2DInit();
   rhd.has_tcl = 1;
-  Init3DEngine(&rhd);
+//  Init3DEngine(&rhd);
 
   //init_r500();
 
diff --git a/programs/system/drivers/ati2d/ati2d.h b/programs/system/drivers/ati2d/ati2d.h
index 37d8c2a2b4..7e8d86373c 100644
--- a/programs/system/drivers/ati2d/ati2d.h
+++ b/programs/system/drivers/ati2d/ati2d.h
@@ -5,7 +5,7 @@
 #define IS_R300_3D   0
 #define IS_R500_3D   1
 
-#define R300_PIO     0
+#define R300_PIO     1
 
 enum RHD_CHIPSETS {
     RHD_UNKNOWN = 0,
diff --git a/programs/system/drivers/ati2d/common.h b/programs/system/drivers/ati2d/common.h
index 5d818f0432..a127d590e0 100644
--- a/programs/system/drivers/ati2d/common.h
+++ b/programs/system/drivers/ati2d/common.h
@@ -143,6 +143,8 @@ void free(void*);
 #define kmalloc malloc
 #define kfree   free
 
+#define xcalloc calloc
+
 ///////////////////////////////////////////////////////////////////////////////
 
 int memcmp(const void *s1, const void *s2, size_t n);
diff --git a/programs/system/drivers/ati2d/r500.inc b/programs/system/drivers/ati2d/r500.inc
index f00b9bb369..17bbe1f158 100644
--- a/programs/system/drivers/ati2d/r500.inc
+++ b/programs/system/drivers/ati2d/r500.inc
@@ -1,5 +1,5 @@
 
-//#define R300_TEST
+#define R300_TEST
 
 #include "r5xx_regs.h"
 
@@ -353,8 +353,8 @@ void  R5xx2DInit()
     u32 base;
 
 #ifdef R300_TEST
-    rhd.displayWidth  = 800;
-    rhd.displayHeight = 600;
+    rhd.displayWidth  = 1024;
+    rhd.displayHeight = 768;
 #else
     rhd.displayWidth  = INREG(D1GRPH_X_END);
     rhd.displayHeight = INREG(D1GRPH_Y_END);
@@ -407,7 +407,7 @@ void  R5xx2DInit()
 
     MASKREG( RADEON_AIC_CNTL,0, RADEON_PCIGART_TRANSLATE_EN);
 
-    load_microcode();
+  //  load_microcode();
 
     rhd.ring_base = CreateRingBuffer(0x8000, PG_SW | PG_NOCACHE);
     dbgprintf("create cp ring buffer %x\n", rhd.ring_base);