diff --git a/src/mame/drivers/konamigx.c b/src/mame/drivers/konamigx.c
index 4bb1586ada1..8aaf72b78b8 100644
--- a/src/mame/drivers/konamigx.c
+++ b/src/mame/drivers/konamigx.c
@@ -788,6 +788,7 @@ static READ32_HANDLER( sound020_r )
 			if (cpu_get_pc(space->cpu) == 0x2026fe) rv = 0xc0c0c0c0;
 			break;
 		case 3: // Run'n Gun 2
+			if (cpu_get_pc(space->cpu) == 0x24f0b6) rv = 0xffffffff;
 			if (cpu_get_pc(space->cpu) == 0x24f122) rv = 0xc0c0c0c0;
 			break;
 		case 4:	// Rushing Heroes
@@ -3754,6 +3755,6 @@ GAME( 1996, vsnetscreb,vsnetscr, gxtype4vsnet, type3, konamigx, ROT0, "Konami",
 GAME( 1996, vsnetscru, vsnetscr, gxtype4vsnet, type3, konamigx, ROT0, "Konami", "Versus Net Soccer (ver UAB)", GAME_NOT_WORKING|GAME_UNEMULATED_PROTECTION )
 GAME( 1996, vsnetscra, vsnetscr, gxtype4vsnet, type3, konamigx, ROT0, "Konami", "Versus Net Soccer (ver AAA)", GAME_NOT_WORKING|GAME_UNEMULATED_PROTECTION )
 GAME( 1996, vsnetscrj, vsnetscr, gxtype4vsnet, type3, konamigx, ROT0, "Konami", "Versus Net Soccer (ver JAB)", GAME_NOT_WORKING|GAME_UNEMULATED_PROTECTION )
-GAME( 1996, rungun2,   konamigx, gxtype4sd2, type3, konamigx, ROT0, "Konami", "Run and Gun 2 (ver UAA)", GAME_NOT_WORKING|GAME_UNEMULATED_PROTECTION )
+GAME( 1996, rungun2,   konamigx, gxtype4sd2, type3, konamigx, ROT0, "Konami", "Run and Gun 2 (ver UAA)", GAME_IMPERFECT_GRAPHICS )
 GAME( 1996, slamdnk2,  rungun2,  gxtype4sd2, type3, konamigx, ROT0, "Konami", "Slam Dunk 2 (ver JAA)", GAME_IMPERFECT_GRAPHICS )
 GAME( 1996, rushhero,  konamigx, gxtype4, type3, konamigx, ROT0, "Konami", "Rushing Heroes (ver UAB)", GAME_IMPERFECT_GRAPHICS  )
diff --git a/src/mame/video/konamigx.c b/src/mame/video/konamigx.c
index 03a65134090..7c2e768c86e 100644
--- a/src/mame/video/konamigx.c
+++ b/src/mame/video/konamigx.c
@@ -1594,9 +1594,9 @@ void konamigx_mixer(running_machine *machine, bitmap_t *bitmap, const rectangle
 								int shiftpos = 30;
 								for (xx=0;xx<width;xx+=2)
 								{
-									dst[xx] = paldata[src[(((xx/2)+shiftpos))%width]];
-									dst[xx+1] = paldata[src[(((xx/2)+shiftpos))%width]];
-
+									UINT16 dat = src[(((xx/2)+shiftpos))%width];
+									if (dat&0xff)
+										dst[xx+1] = dst[xx] = paldata[dat];
 								}
 							}
 						}