Small Gfx fixes for Rad Mobile / Rally

src/vidhrdw/system32_vidhrdw.c

@@ -1548,7 +1548,46 @@ VIDEO_UPDATE( system32 ) {
 
 	fillbitmap(bitmap, 0, 0);
 
-	/* Priority loop.  Draw layers 1 and 3 on Multi32's Monitor B*/
+	/* Rad Rally (title screen) and Rad Mobile (Winners don't use drugs) use a bitmap ... */
+	/* i think this is wrong tho, rad rally enables it on the 2nd title screen when the
+	   data isn't complete */
+
+	if (sys32_videoram[0x01FF00/2] & 0x0800)  /* wrong? */
+	{
+		int xcnt, ycnt;
+		static UINT32 *destline;
+		struct GfxElement *gfx=Machine->gfx[0];
+
+		const pen_t *paldata = &gfx->colortable[0];
+/*
+		if ( code_pressed_memory(KEYCODE_C) )
+		{
+			ppp++;
+
+		}
+*/
+		for ( ycnt = 0 ; ycnt < 224 ; ycnt ++ )
+		{
+			destline = (UINT32 *)(bitmap->line[ycnt]);
+
+
+			for ( xcnt = 0 ; xcnt < 160 ; xcnt ++ )
+			{
+				int data2;
+
+				data2 = sys32_videoram[256*ycnt+xcnt];
+
+
+				destline[xcnt*2+1] = paldata[(data2 >> 8)+(0x100*0x1d)]; // 1d00
+				destline[xcnt*2] = paldata[(data2 &0xff)+(0x100*0x1d)];
+			}
+
+		}
+	}
+
+
+
+	/* Priority loop.  Draw layers 1 and 3 on Multi32's Monitor B */
 	if (sys32_displayenable & 0x0002) {
 		for (priloop=0; priloop < 0x10; priloop++) {
 			if (priloop == priority0 && (!multi32 || (multi32 && (readinputport(0xf)&1)))) {
@@ -1570,4 +1609,37 @@ VIDEO_UPDATE( system32 ) {
 		}
 	}
 	system32_draw_text_layer (bitmap, cliprect);
+
+#if 0
+	{
+
+		/* custom log */
+
+		static FILE *sys32_logfile;
+
+		/* provide errorlog from here on */
+		sys32_logfile = fopen("sys32vid.log","wa");
+
+		int x;
+
+	/*	x = rand(); */
+
+		fprintf(sys32_logfile,"Video Regs 0x31ff00 - 0x31ffff\n");
+		for (x = 0x1ff00; x< 0x20000; x+=2)
+		{
+			fprintf(sys32_logfile, "%04x\n", sys32_videoram[x/2] ) ;
+
+		}
+		fprintf(sys32_logfile,"Mixer Regs 0x610000 - 0x6100ff\n");
+		for (x = 0x00; x< 0x100; x+=2)
+		{
+			fprintf(sys32_logfile, "%04x\n", system32_mixerregs[0][x/2] ) ;
+
+		}
+
+
+		fclose (sys32_logfile);
+	}
+#endif
+
 }