diff --git a/src/mame/drivers/saturn.c b/src/mame/drivers/saturn.c
index 331eec131f4..ab678a9c08e 100644
--- a/src/mame/drivers/saturn.c
+++ b/src/mame/drivers/saturn.c
@@ -442,7 +442,8 @@ static void smpc_change_clock(running_machine &machine, UINT8 cmd)
 	machine.device("slave")->set_unscaled_clock(xtal/2);
 	machine.device("audiocpu")->set_unscaled_clock(xtal/5);
 
-	// TODO: pixel clock change goes there
+	state->m_vdp2.pixel_clock = cmd;
+	stv_vdp2_dynamic_res_change(machine);
 
 	device_set_input_line(state->m_maincpu, INPUT_LINE_NMI, PULSE_LINE); // ff said this causes nmi, should we set a timer then nmi?
 }
diff --git a/src/mame/includes/stv.h b/src/mame/includes/stv.h
index df4255f0fd5..ad14188c4f6 100644
--- a/src/mame/includes/stv.h
+++ b/src/mame/includes/stv.h
@@ -62,6 +62,7 @@ public:
 
 	    UINT8     *gfx_decode;
 	    bitmap_t  *roz_bitmap[2];
+	    UINT8     pixel_clock;
 	}m_vdp2;
 
 	struct {
@@ -147,6 +148,7 @@ extern UINT8* stv_vdp1_gfx_decode;
 
 int stv_vdp1_start ( running_machine &machine );
 void video_update_vdp1(running_machine &machine);
+void stv_vdp2_dynamic_res_change(running_machine &machine);
 
 READ32_HANDLER ( saturn_vdp1_regs_r );
 READ32_HANDLER ( saturn_vdp1_vram_r );
diff --git a/src/mame/video/stvvdp2.c b/src/mame/video/stvvdp2.c
index 70c758347cd..312cb0ba27c 100644
--- a/src/mame/video/stvvdp2.c
+++ b/src/mame/video/stvvdp2.c
@@ -105,7 +105,6 @@ In other words,the first three types uses the offset and not the color allocated
 #include "profiler.h"
 #include "includes/stv.h"
 
-static void stv_vdp2_dynamic_res_change(running_machine &machine);
 static UINT8 get_hblank(running_machine &machine);
 static int get_vblank_duration(running_machine &machine);
 static int get_hblank_duration(running_machine &machine);
@@ -5485,7 +5484,7 @@ VIDEO_START( stv_vdp2 )
 	gfx_element_set_source(machine.gfx[7], state->m_vdp1.gfx_decode);
 }
 
-static void stv_vdp2_dynamic_res_change(running_machine &machine)
+void stv_vdp2_dynamic_res_change(running_machine &machine)
 {
 	saturn_state *state = machine.driver_data<saturn_state>();
 	int horz_res,vert_res;