From 6617a40eda2d432948f44e00eb7a3ae09adb7113 Mon Sep 17 00:00:00 2001
From: twinaphex
Date: Sun, 8 Nov 2015 03:01:23 +0100
Subject: Add more non-ARM_ASM codepaths

---
 src/tile16.cpp        | 121 ++++++++++++++++++++++++++++++++++++++++++++++++++
 src/tile16.h          |   5 +++
 src/tile16fsub1_2.cpp |  25 ++++++++++-
 3 files changed, 150 insertions(+), 1 deletion(-)

diff --git a/src/tile16.cpp b/src/tile16.cpp
index 747209c..d923eec 100644
--- a/src/tile16.cpp
+++ b/src/tile16.cpp
@@ -52,6 +52,8 @@
 extern uint32 HeadMask [4];
 extern uint32 TailMask [5];
 
+#ifdef ARM_ASM
+
 #define f(from, to_lo, to_hi, pix) \
 	"	movs	" #from ", " #from ", lsl #(17)	\n" \
 	"	addcs	" #to_hi ", " #to_hi ", #(1 << ( 0 + 1 + " #pix ")) \n" \
@@ -214,8 +216,127 @@ void SelectConvertTile() {
 	ConvertTile = &ConvertTile2bpp; 
 	break;
 	}
+}
+#else
+uint8 ConvertTile (uint8 *pCache, uint32 TileAddr)
+{
+    register uint8 *tp = &Memory.VRAM[TileAddr];
+    uint32 *p = (uint32 *) pCache;
+    uint32 non_zero = 0;
+    uint8 line;
+
+    switch (BG.BitShift)
+    {
+    case 8:
+	for (line = 8; line != 0; line--, tp += 2)
+	{
+	    uint32 p1 = 0;
+	    uint32 p2 = 0;
+	    register uint8 pix;
+
+	    if ((pix = *(tp + 0)))
+	    {
+		p1 |= odd_high[0][pix >> 4];
+		p2 |= odd_low[0][pix & 0xf];
+	    }
+	    if ((pix = *(tp + 1)))
+	    {
+		p1 |= even_high[0][pix >> 4];
+		p2 |= even_low[0][pix & 0xf];
+	    }
+	    if ((pix = *(tp + 16)))
+	    {
+		p1 |= odd_high[1][pix >> 4];
+		p2 |= odd_low[1][pix & 0xf];
+	    }
+	    if ((pix = *(tp + 17)))
+	    {
+		p1 |= even_high[1][pix >> 4];
+		p2 |= even_low[1][pix & 0xf];
+	    }
+	    if ((pix = *(tp + 32)))
+	    {
+		p1 |= odd_high[2][pix >> 4];
+		p2 |= odd_low[2][pix & 0xf];
+	    }
+	    if ((pix = *(tp + 33)))
+	    {
+		p1 |= even_high[2][pix >> 4];
+		p2 |= even_low[2][pix & 0xf];
+	    }
+	    if ((pix = *(tp + 48)))
+	    {
+		p1 |= odd_high[3][pix >> 4];
+		p2 |= odd_low[3][pix & 0xf];
+	    }
+	    if ((pix = *(tp + 49)))
+	    {
+		p1 |= even_high[3][pix >> 4];
+		p2 |= even_low[3][pix & 0xf];
+	    }
+	    *p++ = p1;
+	    *p++ = p2;
+	    non_zero |= p1 | p2;
+	}
+	break;
 
+    case 4:
+	for (line = 8; line != 0; line--, tp += 2)
+	{
+	    uint32 p1 = 0;
+	    uint32 p2 = 0;
+	    register uint8 pix;
+	    if ((pix = *(tp + 0)))
+	    {
+		p1 |= odd_high[0][pix >> 4];
+		p2 |= odd_low[0][pix & 0xf];
+	    }
+	    if ((pix = *(tp + 1)))
+	    {
+		p1 |= even_high[0][pix >> 4];
+		p2 |= even_low[0][pix & 0xf];
+	    }
+	    if ((pix = *(tp + 16)))
+	    {
+		p1 |= odd_high[1][pix >> 4];
+		p2 |= odd_low[1][pix & 0xf];
+	    }
+	    if ((pix = *(tp + 17)))
+	    {
+		p1 |= even_high[1][pix >> 4];
+		p2 |= even_low[1][pix & 0xf];
+	    }
+	    *p++ = p1;
+	    *p++ = p2;
+	    non_zero |= p1 | p2;
+	}
+	break;
+
+    case 2:
+	for (line = 8; line != 0; line--, tp += 2)
+	{
+	    uint32 p1 = 0;
+	    uint32 p2 = 0;
+	    register uint8 pix;
+	    if ((pix = *(tp + 0)))
+	    {
+		p1 |= odd_high[0][pix >> 4];
+		p2 |= odd_low[0][pix & 0xf];
+	    }
+	    if ((pix = *(tp + 1)))
+	    {
+		p1 |= even_high[0][pix >> 4];
+		p2 |= even_low[0][pix & 0xf];
+	    }
+	    *p++ = p1;
+	    *p++ = p2;
+	    non_zero |= p1 | p2;
+	}
+	break;
+    }
+    return (non_zero ? TRUE : BLANK_TILE);
 }
+#endif
 
 void SelectPalette() {
 	// GFX.ScreenColors = &GFX.ScreenColorsPre[(Tile & GFX.PaletteMask) >> GFX.PaletteShift];
diff --git a/src/tile16.h b/src/tile16.h
index 3fc1be6..f856b8e 100644
--- a/src/tile16.h
+++ b/src/tile16.h
@@ -44,7 +44,12 @@
 
 void SelectConvertTile();
 void SelectPalette();
+
+#ifdef ARM_ASM
 extern uint8 (*ConvertTile) (uint8 *pCache, uint32 TileAddr);
+#else
+uint8 ConvertTile (uint8 *pCache, uint32 TileAddr);
+#endif
 
 extern uint32 TileBlank;
 
diff --git a/src/tile16fsub1_2.cpp b/src/tile16fsub1_2.cpp
index a22c4a5..b7f2adb 100644
--- a/src/tile16fsub1_2.cpp
+++ b/src/tile16fsub1_2.cpp
@@ -39,7 +39,8 @@
  * Nintendo Co., Limited and its subsidiary companies.
  */
 
-// ARM V5 Assembly by bitrider
+#ifdef ARM_ASM
+/* ARM V5 Assembly by bitrider */
 
 #define FIXEDCOLOUR	((GFX.FixedColour >> 1) & (~0x0C30))
 #define ROPNAME	FixedSub1_2
@@ -61,4 +62,26 @@
 
 #include "tile16f_t.h"
 
+#else
 
+void DrawTile16FixedSub1_2 (uint32 Tile, uint32 Offset, uint32 StartLine,
+			    uint32 LineCount)
+{
+    TILE_PREAMBLE
+    register uint8 *bp;
+
+    RENDER_TILE(WRITE_4PIXELS16_SUBF1_2, WRITE_4PIXELS16_FLIPPED_SUBF1_2, 4)
+}
+
+void DrawClippedTile16FixedSub1_2 (uint32 Tile, uint32 Offset,
+				   uint32 StartPixel, uint32 Width,
+				   uint32 StartLine, uint32 LineCount)
+{
+    TILE_PREAMBLE
+    register uint8 *bp;
+
+    TILE_CLIP_PREAMBLE
+    RENDER_CLIPPED_TILE(WRITE_4PIXELS16_SUBF1_2, 
+			WRITE_4PIXELS16_FLIPPED_SUBF1_2, 4)
+}
+#endif
-- 
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