X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftom.cpp;h=82062bd1a7517baba30c081d2236687375f2af5c;hb=253f7b2713969c4982a3149c55e378db51d7791d;hp=046547248d5c41372490a2a99784e7fa476ee179;hpb=166019baeee39e3867ecf6c4eddd0855dc3507a4;p=virtualjaguar

diff --git a/src/tom.cpp b/src/tom.cpp
index 0465472..82062bd 100644
--- a/src/tom.cpp
+++ b/src/tom.cpp
@@ -332,7 +332,11 @@ uint32 tomTimerDivider;
 int32 tomTimerCounter;
 uint16 tom_jerry_int_pending, tom_timer_int_pending, tom_object_int_pending,
 	tom_gpu_int_pending, tom_video_int_pending;
-uint32 * TOMBackbuffer;
+
+// These are set by the "user" of the Jaguar core lib, since these are
+// OS/system dependent.
+uint32 * screenBuffer;
+uint32 screenPitch;
 
 static const char * videoMode_to_str[8] =
 	{ "16 BPP CRY", "24 BPP RGB", "16 BPP DIRECT", "16 BPP RGB",
@@ -755,15 +759,14 @@ void tom_render_16bpp_rgb_scanline(uint32 * backbuffer)
 }
 
 
-void TOMResetBackbuffer(uint32 * backbuffer)
+/*void TOMResetBackbuffer(uint32 * backbuffer)
 {
 	TOMBackbuffer = backbuffer;
-}
+}*/
 
 //
 // Process a single scanline
 //
-uint32 tomDeviceWidth;//kludge
 void TOMExecScanline(uint16 scanline, bool render)
 {
 	bool inActiveDisplayArea = true;
@@ -776,8 +779,19 @@ void TOMExecScanline(uint16 scanline, bool render)
 // And it works! But need to do some optimizations in the OP to keep it from attempting
 // to do a scanline render in the non-display area... [DONE]
 //this seems to cause a regression in certain games, like rayman
+//which means I have to dig thru the asic nets to see what's wrong...
+/*
+No, the OP doesn't start until VDB, that much is certain. The thing is, VDB is the
+HALF line that the OP starts on--which means that it needs to start at VDB / 2!!!
+
+Hrm, doesn't seem to be enough, though it should be... still sticks for 20 frames.
+*/
 #if 1
+// 16 isn't enough, and neither is 32 for raptgun. 32 fucks up Rayman
+//	if (scanline >= ((uint16)GET16(tomRam8, VDB) / 2) && scanline < ((uint16)GET16(tomRam8, VDE) / 2))
 	if (scanline >= (uint16)GET16(tomRam8, VDB) && scanline < (uint16)GET16(tomRam8, VDE))
+//	if (scanline >= ((uint16)GET16(tomRam8, VDB) - 16) && scanline < (uint16)GET16(tomRam8, VDE))
+//	if (scanline >= 20 && scanline < (uint16)GET16(tomRam8, VDE))
 	{
 		if (render)
 		{
@@ -818,10 +832,11 @@ void TOMExecScanline(uint16 scanline, bool render)
 	}
 #endif
 
-	// Try to take PAL into account...
+	// Try to take PAL into account... [We do now!]
 
 	uint16 topVisible = (vjs.hardwareTypeNTSC ? TOP_VISIBLE_VC : TOP_VISIBLE_VC_PAL),
 		bottomVisible = (vjs.hardwareTypeNTSC ? BOTTOM_VISIBLE_VC : BOTTOM_VISIBLE_VC_PAL);
+	uint32 * TOMCurrentLine = &(screenBuffer[((scanline - topVisible) / 2) * screenPitch]);
 
 	// Here's our virtualized scanline code...
 
@@ -832,7 +847,8 @@ void TOMExecScanline(uint16 scanline, bool render)
 //NOTE: The following doesn't put BORDER color on the sides... !!! FIX !!!
 #warning "The following doesn't put BORDER color on the sides... !!! FIX !!!"
 			if (vjs.renderType == RT_NORMAL)
-				scanline_render[TOMGetVideoMode()](TOMBackbuffer);
+//				scanline_render[TOMGetVideoMode()](TOMBackbuffer);
+				scanline_render[TOMGetVideoMode()](TOMCurrentLine);
 			else//TV type render
 			{
 /*
@@ -896,7 +912,7 @@ void tom_render_24bpp_scanline(uint32 * backbuffer)
 		else
 		{
 			// If outside of VDB & VDE, then display the border color
-			uint32 * currentLineBuffer = TOMBackbuffer;
+			uint32 * currentLineBuffer = TOMCurrentLine;
 			uint8 g = tomRam8[BORD1], r = tomRam8[BORD1 + 1], b = tomRam8[BORD2 + 1];
 //Hm.			uint32 pixel = 0xFF000000 | (b << 16) | (g << 8) | r;
 			uint32 pixel = 0x000000FF | (r << 24) | (g << 16) | (b << 8);
@@ -904,10 +920,6 @@ void tom_render_24bpp_scanline(uint32 * backbuffer)
 			for(uint32 i=0; i<tomWidth; i++)
 				*currentLineBuffer++ = pixel;
 		}
-
-#warning "!!! Need to move this to an interface file !!! FIX !!!"
-//		TOMBackbuffer += GetSDLScreenWidthInPixels();
-		TOMBackbuffer += tomDeviceWidth;
 	}
 }
 
@@ -1385,6 +1397,8 @@ if (offset == VP)
 	WriteLog("TOM: Vertical Period written by %s: %u (%sinterlaced)\n", whoName[who], data, (data & 0x01 ? "non-" : ""));
 if (offset == HDB1)
 	WriteLog("TOM: Horizontal Display Begin 1 written by %s: %u\n", whoName[who], data);
+if (offset == HDB2)
+	WriteLog("TOM: Horizontal Display Begin 2 written by %s: %u\n", whoName[who], data);
 if (offset == HDE)
 	WriteLog("TOM: Horizontal Display End written by %s: %u\n", whoName[who], data);
 if (offset == HP)