libsnes-add missing variable initializations for ppu/cpu/dsp/smp components. every one of them was fundamentally untasworthy.

libsnes/bsnes/snes/alt/ppu-compatibility/ppu.cpp

@@ -350,6 +350,17 @@ void PPU::reset() {
   PPUcounter::reset();
   memset(surface, 0, 512 * 512 * sizeof(uint32));
 
+	//zero 01-dec-2012 - gotta reset these sometime, somewhere
+	memset(oam_itemlist, 0, sizeof(oam_itemlist));
+	memset(oam_tilelist, 0, sizeof(oam_tilelist));
+	memset(oam_line_pal, 0, sizeof(oam_line_pal));
+	memset(oam_line_pri, 0, sizeof(oam_line_pri));
+	active_sprite = sprite_list_valid = 0;
+	memset(bg_info, 0, sizeof(bg_info));
+	memset(window, 0, sizeof(window));
+	memset(pixel_cache, 0, sizeof(pixel_cache));
+	regs.oam_tilecount = regs.oam_itemcount = 0;
+
   frame();
 
   //$2100

libsnes/bsnes/snes/cpu/cpu.cpp

@@ -124,6 +124,10 @@ void CPU::power() {
   mmio_power();
   dma_power();
   timing_power();
+
+	//zero 01-dec-2012
+	//gotta clear these to something, sometime
+	aa.d = rd.d = sp = dp = 0;
 }
 
 void CPU::reset() {

libsnes/bsnes/snes/dsp/dsp.cpp

@@ -223,6 +223,10 @@ void DSP::write(uint8 addr, uint8 data) {
 
 void DSP::power() {
   memset(&state.regs, 0, sizeof state.regs);
+	
+	//zero 01-dec-2012 - gotta reset these sometime, somewhere
+	state.echo_hist[0] = state.echo_hist[1] = 0;
+
   state.echo_hist_pos = 0;
   state.every_other_sample = false;
   state.kon = 0;

libsnes/bsnes/snes/smp/smp.cpp

@@ -49,6 +49,10 @@ void SMP::power() {
   timer0.target = 0;
   timer1.target = 0;
   timer2.target = 0;
+
+	//zero 01-dec-2012
+	//gotta clear these to something, sometime
+	dp.w = sp.w = rd.w = wr.w = bit.w = ya.w = 0;
 }
 
 void SMP::reset() {
@@ -115,6 +119,7 @@ void SMP::reset() {
 }
 
 SMP::SMP() {
+
 }
 
 SMP::~SMP() {