diff --git a/bsnes/emulator/emulator.hpp b/bsnes/emulator/emulator.hpp
index 7c0e10c6..2cdece28 100644
--- a/bsnes/emulator/emulator.hpp
+++ b/bsnes/emulator/emulator.hpp
@@ -29,7 +29,7 @@ using namespace nall;
 
 namespace Emulator {
   static const string Name    = "bsnes";
-  static const string Version = "109.4";
+  static const string Version = "109.5";
   static const string Author  = "byuu";
   static const string License = "GPLv3";
   static const string Website = "https://byuu.org";
diff --git a/bsnes/sfc/ppu/background.cpp b/bsnes/sfc/ppu/background.cpp
index 4043132a..8c1e06df 100644
--- a/bsnes/sfc/ppu/background.cpp
+++ b/bsnes/sfc/ppu/background.cpp
@@ -5,31 +5,13 @@ auto PPU::Background::hires() const -> bool {
   return ppu.io.bgMode == 5 || ppu.io.bgMode == 6;
 }
 
-auto PPU::Background::voffset() const -> uint16 {
-  return mosaic.enable ? latch.voffset : io.voffset;
-}
-
-auto PPU::Background::hoffset() const -> uint16 {
-  return mosaic.enable ? latch.hoffset : io.hoffset;
-}
-
 //V = 0, H = 0
 auto PPU::Background::frame() -> void {
 }
 
 //H = 0
 auto PPU::Background::scanline() -> void {
-}
-
-//H = 28
-auto PPU::Background::begin() -> void {
-  x = -7;
-  y = ppu.vcounter();
-
-  tileCounter = 7 - (io.hoffset & 7) << hires();
-  for(auto& word : data) word = 0;
-
-  if(y == 1) {
+  if(ppu.vcounter() == 1) {
     mosaic.vcounter = mosaic.size + 1;
     mosaic.voffset = 1;
     latch.hoffset = io.hoffset;
@@ -40,7 +22,6 @@ auto PPU::Background::begin() -> void {
     latch.hoffset = io.hoffset;
     latch.voffset = io.voffset;
   }
-  latch.screenAddress = io.screenAddress;
 
   mosaic.hcounter = mosaic.size + 1;
   mosaic.hoffset = 0;
@@ -50,140 +31,159 @@ auto PPU::Background::begin() -> void {
     latch.hoffset = io.hoffset;
     latch.voffset = io.voffset;
   }
+
+  nameTableIndex = 0;
+  characterIndex = 0;
+  renderingIndex = 0;
+
+  opt.hoffset = 0;
+  opt.voffset = 0;
 }
 
-auto PPU::Background::getTile() -> void {
-  uint paletteOffset = ppu.io.bgMode == 0 ? id << 5 : 0;
-  uint paletteSize = 2 << io.mode;
-  uint tileMask = ppu.vram.mask >> 3 + io.mode;
-  uint tiledataIndex = io.tiledataAddress >> 3 + io.mode;
+//H = 56
+auto PPU::Background::begin() -> void {
+  //remove partial tile columns that have been scrolled offscreen
+  pixelCounter = io.hoffset & 7;
+  for(auto& data : tiles[0].data) data >>= pixelCounter << 1;
+}
 
-  uint tileHeight = 3 + io.tileSize;
-  uint tileWidth = !hires() ? tileHeight : 4;
+auto PPU::Background::fetchNameTable() -> void {
+  if(ppu.vcounter() == 0) return;
 
-  uint width = 256 << hires();
+  int x = (ppu.hcounter() & ~31) >> 2;
+  uint hpixel = x << hires();
+  uint vpixel = mosaic.enable ? (uint)mosaic.voffset : ppu.vcounter();
 
-  uint hmask = (width << io.tileSize << io.screenSize.bit(0)) - 1;
-  uint vmask = (width << io.tileSize << io.screenSize.bit(1)) - 1;
-
-  uint px = x << hires();
-  uint py = mosaic.enable ? (uint)mosaic.voffset : y;
-
-  uint hscroll = hoffset();
-  uint vscroll = voffset();
+  uint hscroll = mosaic.enable ? latch.hoffset : io.hoffset;
+  uint vscroll = mosaic.enable ? latch.voffset : io.voffset;
   if(hires()) {
     hscroll <<= 1;
-    if(ppu.io.interlace) py = py << 1 | (ppu.field() & !mosaic.enable);  //todo: temporary vmosaic hack
+    if(ppu.io.interlace) vpixel = vpixel << 1 | (ppu.field() && !mosaic.enable);
   }
 
-  uint hoffset = hscroll + px;
-  uint voffset = vscroll + py;
+  bool repeated = false;
+  repeat:
+
+  uint hoffset = hpixel + hscroll;
+  uint voffset = vpixel + vscroll;
 
   if(ppu.io.bgMode == 2 || ppu.io.bgMode == 4 || ppu.io.bgMode == 6) {
-    uint16 offsetX = px + (hscroll & 7);
+    auto hlookup = ppu.bg3.opt.hoffset;
+    auto vlookup = ppu.bg3.opt.voffset;
+    uint valid = 1 << 13 + id;
 
-    if(offsetX >= 8) {
-      auto hlookup = ppu.bg3.getTile((offsetX - 8) + (ppu.bg3.hoffset() & ~7), ppu.bg3.voffset() + 0);
-      auto vlookup = ppu.bg3.getTile((offsetX - 8) + (ppu.bg3.hoffset() & ~7), ppu.bg3.voffset() + 8);
-      uint valid = 1 << 13 + id;
-
-      if(ppu.io.bgMode == 4) {
-        if(hlookup & valid) {
-          if(!(hlookup & 0x8000)) {
-            hoffset = offsetX + (hlookup & ~7);
-          } else {
-            voffset = py + hlookup;
-          }
+    if(ppu.io.bgMode == 4) {
+      if(hlookup & valid) {
+        if(!(hlookup & 0x8000)) {
+          hoffset = hpixel + (hlookup & ~7) + (hscroll & ~7);
+        } else {
+          voffset = vpixel + (vlookup);
         }
-      } else {
-        if(hlookup & valid) hoffset = offsetX + (hlookup & ~7);
-        if(vlookup & valid) voffset = py + vlookup;
       }
+    } else {
+      if(hlookup & valid) hoffset = hpixel + (hlookup & ~7) + (hscroll & ~7);
+      if(vlookup & valid) voffset = vpixel + (vlookup);
     }
   }
 
-  hoffset &= hmask;
-  voffset &= vmask;
+  uint width = 256 << hires();
+  uint hsize = width << io.tileSize << io.screenSize.bit(0);
+  uint vsize = width << io.tileSize << io.screenSize.bit(1);
 
-  uint screenX = io.screenSize.bit(0) ? 32 << 5 : 0;
-  uint screenY = io.screenSize.bit(1) ? 32 << 5 + io.screenSize.bit(0) : 0;
+  hoffset &= hsize - 1;
+  voffset &= vsize - 1;
 
-  uint tileX = hoffset >> tileWidth;
-  uint tileY = voffset >> tileHeight;
+  uint vtiles = 3 + io.tileSize;
+  uint htiles = !hires() ? vtiles : 4;
 
-  uint16 offset = (tileY & 0x1f) << 5 | (tileX & 0x1f);
-  if(tileX & 0x20) offset += screenX;
-  if(tileY & 0x20) offset += screenY;
+  uint htile = hoffset >> htiles;
+  uint vtile = voffset >> vtiles;
 
-  uint16 address = latch.screenAddress + offset;
-  tile = ppu.vram[address];
-  bool mirrorY = tile & 0x8000;
-  bool mirrorX = tile & 0x4000;
-  priority = io.priority[bool(tile & 0x2000)];
-  paletteNumber = tile >> 10 & 7;
-  paletteIndex = paletteOffset + (paletteNumber << paletteSize);
+  uint hscreen = io.screenSize.bit(0) ? 32 << 5 : 0;
+  uint vscreen = io.screenSize.bit(1) ? 32 << 5 + io.screenSize.bit(0) : 0;
 
-  if(tileWidth  == 4 && bool(hoffset & 8) != mirrorX) tile +=  1;
-  if(tileHeight == 4 && bool(voffset & 8) != mirrorY) tile += 16;
-  uint16 character = (tile & 0x03ff) + tiledataIndex & tileMask;
+  uint16 offset = (uint5)htile << 0 | (uint5)vtile << 5;
+  if(htile & 0x20) offset += hscreen;
+  if(vtile & 0x20) offset += vscreen;
 
-  if(mirrorY) voffset ^= 7;
-  offset = (character << 3 + io.mode) + (voffset & 7);
+  uint16 address = io.screenAddress + offset;
+  uint16 attributes = ppu.vram[address];
 
-  switch(io.mode) {
-  case Mode::BPP8:
-    data[0] = ppu.vram[offset +  0] << 0 | ppu.vram[offset +  8] << 16;
-    data[1] = ppu.vram[offset + 16] << 0 | ppu.vram[offset + 24] << 16;
-    break;
-  case Mode::BPP4:
-    data[0] = ppu.vram[offset +  0] << 0 | ppu.vram[offset +  8] << 16;
-    break;
-  case Mode::BPP2:
-    data[0] = ppu.vram[offset +  0] << 0;
-    break;
-  }
+  auto& tile = tiles[nameTableIndex];
+  tile.character = attributes & 0x03ff;
+  tile.paletteGroup = attributes >> 10 & 7;
+  tile.priority = io.priority[attributes >> 13 & 1];
+  tile.hmirror = bool(attributes & 0x4000);
+  tile.vmirror = bool(attributes & 0x8000);
 
-  if(mirrorX) for(auto n : range(2)) {
-    data[n] = (data[n] >> 4 & 0x0f0f0f0f) | (data[n] << 4 & 0xf0f0f0f0);
-    data[n] = (data[n] >> 2 & 0x33333333) | (data[n] << 2 & 0xcccccccc);
-    data[n] = (data[n] >> 1 & 0x55555555) | (data[n] << 1 & 0xaaaaaaaa);
+  if(htiles == 4 && bool(hoffset & 8) != tile.hmirror) tile.character +=  1;
+  if(vtiles == 4 && bool(voffset & 8) != tile.vmirror) tile.character += 16;
+
+  uint characterMask = ppu.vram.mask >> 3 + io.mode;
+  uint characterIndex = io.tiledataAddress >> 3 + io.mode;
+  uint16 origin = tile.character + characterIndex & characterMask;
+
+  if(tile.vmirror) voffset ^= 7;
+  tile.address = (origin << 3 + io.mode) + (voffset & 7);
+
+  uint paletteOffset = ppu.io.bgMode == 0 ? id << 5 : 0;
+  uint paletteSize = 2 << io.mode;
+  tile.palette = paletteOffset + (tile.paletteGroup << paletteSize);
+
+  nameTableIndex++;
+  if(hires() && !repeated) {
+    repeated = true;
+    hpixel += 8;
+    goto repeat;
   }
 }
 
-auto PPU::Background::getTile(uint x, uint y) -> uint16 {
-  uint tileHeight = 3 + io.tileSize;
-  uint tileWidth = !hires() ? tileHeight : 4;
-  uint screenX = io.screenSize.bit(0) ? 32 << 5 : 0;
-  uint screenY = io.screenSize.bit(1) ? 32 << 5 + io.screenSize.bit(0) : 0;
-  uint tileX = x >> tileWidth;
-  uint tileY = y >> tileHeight;
-  uint16 offset = (tileY & 0x1f) << 5 | (tileX & 0x1f);
-  if(tileX & 0x20) offset += screenX;
-  if(tileY & 0x20) offset += screenY;
-  uint16 address = latch.screenAddress + offset;
-  return ppu.vram[address];
+auto PPU::Background::fetchOffset(uint y) -> void {
+  if(ppu.vcounter() == 0) return;
+
+  int x = ppu.hcounter() >> 2;
+
+  uint hoffset = x + (io.hoffset & ~7);
+  uint voffset = y + (io.voffset);
+
+  uint vtiles = 3 + io.tileSize;
+  uint htiles = !hires() ? vtiles : 4;
+
+  uint htile = hoffset >> htiles;
+  uint vtile = voffset >> vtiles;
+
+  uint hscreen = io.screenSize.bit(0) ? 32 << 5 : 0;
+  uint vscreen = io.screenSize.bit(1) ? 32 << 5 + io.screenSize.bit(0) : 0;
+
+  uint16 offset = (uint5)htile << 0 | (uint5)vtile << 5;
+  if(htile & 0x20) offset += hscreen;
+  if(vtile & 0x20) offset += vscreen;
+
+  uint16 address = io.screenAddress + offset;
+  if(y == 0) opt.hoffset = ppu.vram[address];
+  if(y == 8) opt.voffset = ppu.vram[address];
 }
 
-auto PPU::Background::getTileColor() -> uint {
-  uint color = 0;
+auto PPU::Background::fetchCharacter(uint index) -> void {
+  if(ppu.vcounter() == 0) return;
 
-  switch(io.mode) {
-  case Mode::BPP8:
-    color += data[1] >> 24 & 0x80;
-    color += data[1] >> 17 & 0x40;
-    color += data[1] >> 10 & 0x20;
-    color += data[1] >>  3 & 0x10;
-    data[1] <<= 1;
-  case Mode::BPP4:
-    color += data[0] >> 28 & 0x08;
-    color += data[0] >> 21 & 0x04;
-  case Mode::BPP2:
-    color += data[0] >> 14 & 0x02;
-    color += data[0] >>  7 & 0x01;
-    data[0] <<= 1;
+  auto& tile = tiles[characterIndex];
+  uint16 data = ppu.vram[tile.address + (index << 3)];
+
+  //reverse bits so that the lowest bit is the left-most pixel
+  if(!tile.hmirror) {
+    data = data >> 4 & 0x0f0f | data << 4 & 0xf0f0;
+    data = data >> 2 & 0x3333 | data << 2 & 0xcccc;
+    data = data >> 1 & 0x5555 | data << 1 & 0xaaaa;
   }
 
-  return color;
+  //interleave two bitplanes for faster planar decoding later
+  tile.data[index] = (
+    ((uint8(data >> 0) * 0x0101010101010101ull & 0x8040201008040201ull) * 0x0102040810204081ull >> 49) & 0x5555
+  | ((uint8(data >> 8) * 0x0101010101010101ull & 0x8040201008040201ull) * 0x0102040810204081ull >> 48) & 0xaaaa
+  );
+
+  if(index == 0) characterIndex++;
 }
 
 auto PPU::Background::run(bool screen) -> void {
@@ -195,19 +195,22 @@ auto PPU::Background::run(bool screen) -> void {
     if(!hires()) return;
   }
 
-  if(tileCounter-- == 0) {
-    tileCounter = 7;
-    getTile();
-  }
-
   if(io.mode == Mode::Mode7) return runMode7();
 
-  uint8 color = getTileColor();
-  Pixel pixel;
-  pixel.priority = priority;
-  pixel.palette = color ? uint(paletteIndex + color) : 0;
-  pixel.tile = tile;
+  auto& tile = tiles[renderingIndex];
+  uint8 color = 0;
+  if(io.mode >= Mode::BPP2) color |= (tile.data[0] & 3) << 0; tile.data[0] >>= 2;
+  if(io.mode >= Mode::BPP4) color |= (tile.data[1] & 3) << 2; tile.data[1] >>= 2;
+  if(io.mode >= Mode::BPP8) color |= (tile.data[2] & 3) << 4; tile.data[2] >>= 2;
+  if(io.mode >= Mode::BPP8) color |= (tile.data[3] & 3) << 6; tile.data[3] >>= 2;
 
+  Pixel pixel;
+  pixel.priority = tile.priority;
+  pixel.palette = color ? uint(tile.palette + color) : 0;
+  pixel.paletteGroup = tile.paletteGroup;
+  if(++pixelCounter == 0) renderingIndex++;
+
+  uint x = ppu.hcounter() - 56 >> 2;
   if(x == 0) {
     mosaic.hcounter = mosaic.size + 1;
     mosaic.pixel = pixel;
@@ -243,14 +246,4 @@ auto PPU::Background::power() -> void {
   mosaic = {};
   mosaic.size = random();
   mosaic.enable = random();
-
-  x = 0;
-  y = 0;
-
-  tileCounter = 0;
-  tile = 0;
-  priority = 0;
-  paletteNumber = 0;
-  paletteIndex = 0;
-  for(auto& word : data) word = 0;
 }
diff --git a/bsnes/sfc/ppu/background.hpp b/bsnes/sfc/ppu/background.hpp
index 2869c847..d952277f 100644
--- a/bsnes/sfc/ppu/background.hpp
+++ b/bsnes/sfc/ppu/background.hpp
@@ -2,19 +2,18 @@ struct Background {
   Background(uint id) : id(id) {}
 
   alwaysinline auto hires() const -> bool;
-  alwaysinline auto hoffset() const -> uint16;
-  alwaysinline auto voffset() const -> uint16;
 
+  //background.cpp
   auto frame() -> void;
   auto scanline() -> void;
   auto begin() -> void;
+  auto fetchNameTable() -> void;
+  auto fetchOffset(uint y) -> void;
+  auto fetchCharacter(uint index) -> void;
   auto run(bool screen) -> void;
   auto power() -> void;
 
-  auto getTile() -> void;
-  auto getTile(uint x, uint y) -> uint16;
-  auto getTileColor() -> uint;
-
+  //mode7.cpp
   alwaysinline auto clip(int n) -> int;
   auto beginMode7() -> void;
   auto runMode7() -> void;
@@ -32,14 +31,14 @@ struct Background {
   struct IO {
     uint16 tiledataAddress;
     uint16 screenAddress;
-    uint2 screenSize;
-    uint1 tileSize;
+     uint2 screenSize;
+     uint1 tileSize;
 
-    uint8 mode;
-    uint8 priority[2];
+     uint8 mode;
+     uint8 priority[2];
 
-    uint1 aboveEnable;
-    uint1 belowEnable;
+     uint1 aboveEnable;
+     uint1 belowEnable;
 
     uint16 hoffset;
     uint16 voffset;
@@ -48,13 +47,12 @@ struct Background {
   struct Latch {
     uint16 hoffset;
     uint16 voffset;
-    uint16 screenAddress;
   } latch;
 
   struct Pixel {
     uint8 priority;  //0 = none (transparent)
     uint8 palette;
-    uint16 tile;
+    uint3 paletteGroup;
   } above, below;
 
   struct Output {
@@ -64,7 +62,7 @@ struct Background {
 
   struct Mosaic {
     static uint4 size;
-    uint1 enable;
+     uint1 enable;
 
     uint16 vcounter;
     uint16 hcounter;
@@ -72,18 +70,30 @@ struct Background {
     uint16 voffset;
     uint16 hoffset;
 
-    Pixel pixel;
+    Pixel  pixel;
   } mosaic;
 
-  int x;
-  int y;
+  struct OffsetPerTile {
+    //set in BG3 only; used by BG1 and BG2
+    uint16 hoffset;
+    uint16 voffset;
+  } opt;
 
-  uint3 tileCounter;
-  uint16 tile;
-  uint8 priority;
-  uint3 paletteNumber;
-  uint8 paletteIndex;
-  uint32 data[2];
+  struct Tile {
+    uint16 address;
+    uint10 character;
+     uint8 palette;
+     uint3 paletteGroup;
+     uint8 priority;
+     uint1 hmirror;
+     uint1 vmirror;
+    uint16 data[4];
+  } tiles[66];
+
+  uint7 nameTableIndex;
+  uint7 characterIndex;
+  uint7 renderingIndex;
+  uint3 pixelCounter;
 
   friend class PPU;
 };
diff --git a/bsnes/sfc/ppu/main.cpp b/bsnes/sfc/ppu/main.cpp
new file mode 100644
index 00000000..fff23bf7
--- /dev/null
+++ b/bsnes/sfc/ppu/main.cpp
@@ -0,0 +1,194 @@
+auto PPU::main() -> void {
+  if(vcounter() == 0) {
+    display.interlace = io.interlace;
+    display.overscan = io.overscan;
+    bg1.frame();
+    bg2.frame();
+    bg3.frame();
+    bg4.frame();
+    obj.frame();
+  }
+
+  bg1.scanline();
+  bg2.scanline();
+  bg3.scanline();
+  bg4.scanline();
+  obj.scanline();
+  window.scanline();
+  screen.scanline();
+
+  if(vcounter() == vdisp()) {
+    if(auto device = controllerPort2.device) device->latch();  //light guns
+  }
+
+  if(vcounter() == 240) {
+    scheduler.leave(Scheduler::Event::Frame);
+  }
+
+  if(vcounter() > 240) {
+    step(hperiod());
+    return;
+  }
+
+  #define cycles02(index) cycle<index>()
+  #define cycles04(index) cycles02(index); cycles02(index +  2)
+  #define cycles08(index) cycles04(index); cycles04(index +  4)
+  #define cycles16(index) cycles08(index); cycles08(index +  8)
+  #define cycles32(index) cycles16(index); cycles16(index + 16)
+  #define cycles64(index) cycles32(index); cycles32(index + 32)
+  cycles16(   0);
+  cycles04(  16);
+  //H =   20
+  cycles04(  20);
+  cycles04(  24);
+  //H =   28
+  cycles04(  28);
+  cycles32(  32);
+  cycles64(  64);
+  cycles64( 128);
+  cycles64( 192);
+  cycles64( 256);
+  cycles64( 320);
+  cycles64( 384);
+  cycles64( 448);
+  cycles64( 512);
+  cycles64( 576);
+  cycles64( 640);
+  cycles64( 704);
+  cycles64( 768);
+  cycles64( 832);
+  cycles64( 896);
+  cycles64( 960);
+  cycles32(1024);
+  cycles16(1056);
+  cycles08(1072);
+  //H = 1080
+  obj.fetch();
+  //H = 1352 (max)
+  step(hperiod() - hcounter());
+}
+
+//it would be lovely if we could put these functions inside cycle(),
+//but due to the multiple template instantiations, that destroys L1 cache.
+//it's a performance penalty of about 25% for the entire(!!) emulator.
+
+auto PPU::cycleObjectEvaluate() -> void {
+  obj.evaluate(hcounter() >> 3);
+}
+
+template<uint Cycle>
+auto PPU::cycleBackgroundFetch() -> void {
+  switch(io.bgMode) {
+  case 0:
+    if constexpr(Cycle == 0) bg4.fetchNameTable();
+    if constexpr(Cycle == 1) bg3.fetchNameTable();
+    if constexpr(Cycle == 2) bg2.fetchNameTable();
+    if constexpr(Cycle == 3) bg1.fetchNameTable();
+    if constexpr(Cycle == 4) bg4.fetchCharacter(0);
+    if constexpr(Cycle == 5) bg3.fetchCharacter(0);
+    if constexpr(Cycle == 6) bg2.fetchCharacter(0);
+    if constexpr(Cycle == 7) bg1.fetchCharacter(0);
+    break;
+  case 1:
+    if constexpr(Cycle == 0) bg3.fetchNameTable();
+    if constexpr(Cycle == 1) bg2.fetchNameTable();
+    if constexpr(Cycle == 2) bg1.fetchNameTable();
+    if constexpr(Cycle == 3) bg3.fetchCharacter(0);
+    if constexpr(Cycle == 4) bg2.fetchCharacter(1);
+    if constexpr(Cycle == 5) bg2.fetchCharacter(0);
+    if constexpr(Cycle == 6) bg1.fetchCharacter(1);
+    if constexpr(Cycle == 7) bg1.fetchCharacter(0);
+    break;
+  case 2:
+    if constexpr(Cycle == 0) bg2.fetchNameTable();
+    if constexpr(Cycle == 1) bg1.fetchNameTable();
+    if constexpr(Cycle == 2) bg3.fetchOffset(0);
+    if constexpr(Cycle == 3) bg3.fetchOffset(8);
+    if constexpr(Cycle == 4) bg2.fetchCharacter(1);
+    if constexpr(Cycle == 5) bg2.fetchCharacter(0);
+    if constexpr(Cycle == 6) bg1.fetchCharacter(1);
+    if constexpr(Cycle == 7) bg1.fetchCharacter(0);
+    break;
+  case 3:
+    if constexpr(Cycle == 0) bg2.fetchNameTable();
+    if constexpr(Cycle == 1) bg1.fetchNameTable();
+    if constexpr(Cycle == 2) bg2.fetchCharacter(1);
+    if constexpr(Cycle == 3) bg2.fetchCharacter(0);
+    if constexpr(Cycle == 4) bg1.fetchCharacter(3);
+    if constexpr(Cycle == 5) bg1.fetchCharacter(2);
+    if constexpr(Cycle == 6) bg1.fetchCharacter(1);
+    if constexpr(Cycle == 7) bg1.fetchCharacter(0);
+    break;
+  case 4:
+    if constexpr(Cycle == 0) bg2.fetchNameTable();
+    if constexpr(Cycle == 1) bg1.fetchNameTable();
+    if constexpr(Cycle == 2) bg3.fetchOffset(0);
+    if constexpr(Cycle == 3) bg2.fetchCharacter(0);
+    if constexpr(Cycle == 4) bg1.fetchCharacter(3);
+    if constexpr(Cycle == 5) bg1.fetchCharacter(2);
+    if constexpr(Cycle == 6) bg1.fetchCharacter(1);
+    if constexpr(Cycle == 7) bg1.fetchCharacter(0);
+    break;
+  case 5:
+    if constexpr(Cycle == 0) bg2.fetchNameTable();
+    if constexpr(Cycle == 1) bg1.fetchNameTable();
+    if constexpr(Cycle == 2) bg2.fetchCharacter(0);
+    if constexpr(Cycle == 3) bg2.fetchCharacter(0);
+    if constexpr(Cycle == 4) bg1.fetchCharacter(1);
+    if constexpr(Cycle == 5) bg1.fetchCharacter(0);
+    if constexpr(Cycle == 6) bg1.fetchCharacter(1);
+    if constexpr(Cycle == 7) bg1.fetchCharacter(0);
+    break;
+  case 6:
+    if constexpr(Cycle == 0) bg2.fetchNameTable();
+    if constexpr(Cycle == 1) bg1.fetchNameTable();
+    if constexpr(Cycle == 2) bg3.fetchOffset(0);
+    if constexpr(Cycle == 3) bg3.fetchOffset(8);
+    if constexpr(Cycle == 4) bg1.fetchCharacter(1);
+    if constexpr(Cycle == 5) bg1.fetchCharacter(0);
+    if constexpr(Cycle == 6) bg1.fetchCharacter(1);
+    if constexpr(Cycle == 7) bg1.fetchCharacter(0);
+    break;
+  case 7:
+    //handled separately by mode7.cpp
+    break;
+  }
+}
+
+auto PPU::cycleBackgroundBegin() -> void {
+  bg1.begin();
+  bg2.begin();
+  bg3.begin();
+  bg4.begin();
+}
+
+auto PPU::cycleBackgroundBelow() -> void {
+  bg1.run(1);
+  bg2.run(1);
+  bg3.run(1);
+  bg4.run(1);
+}
+
+auto PPU::cycleBackgroundAbove() -> void {
+  bg1.run(0);
+  bg2.run(0);
+  bg3.run(0);
+  bg4.run(0);
+}
+
+auto PPU::cycleRenderPixel() -> void {
+  obj.run();
+  window.run();
+  screen.run();
+}
+
+template<uint Cycle>
+auto PPU::cycle() -> void {
+  if constexpr(Cycle >=  0 && Cycle <= 1022 && (Cycle -  0) % 8 == 0) cycleObjectEvaluate();
+  if constexpr(Cycle >=  0 && Cycle <= 1054 && (Cycle -  0) % 4 == 0) cycleBackgroundFetch<(Cycle - 0) / 4 & 7>();
+  if constexpr(Cycle == 56                                          ) cycleBackgroundBegin();
+  if constexpr(Cycle >= 56 && Cycle <= 1078 && (Cycle - 56) % 4 == 0) cycleBackgroundBelow();
+  if constexpr(Cycle >= 56 && Cycle <= 1078 && (Cycle - 56) % 4 == 2) cycleBackgroundAbove();
+  if constexpr(Cycle >= 56 && Cycle <= 1078 && (Cycle - 56) % 4 == 2) cycleRenderPixel();
+  step();
+}
diff --git a/bsnes/sfc/ppu/mode7.cpp b/bsnes/sfc/ppu/mode7.cpp
index e3135bae..29a5d32c 100644
--- a/bsnes/sfc/ppu/mode7.cpp
+++ b/bsnes/sfc/ppu/mode7.cpp
@@ -20,7 +20,6 @@ auto PPU::Background::runMode7() -> void {
   int hoffset = (int13)latch.hoffset;
   int voffset = (int13)latch.voffset;
 
-  if(Background::x++ & ~255) return;
   uint x = mosaic.hoffset;
   uint y = ppu.bg1.mosaic.voffset;  //BG2 vertical mosaic uses BG1 mosaic size
 
@@ -37,36 +36,36 @@ auto PPU::Background::runMode7() -> void {
 
   int pixelX = originX + a * x >> 8;
   int pixelY = originY + c * x >> 8;
-  uint16 paletteAddress = (pixelY & 7) << 3 | (pixelX & 7);
+  uint16 paletteAddress = (uint3)pixelY << 3 | (uint3)pixelX;
 
-  int tileX = pixelX >> 3;
-  int tileY = pixelY >> 3;
-  uint16 tileAddress = (tileY & 127) << 7 | (tileX & 127);
+  uint7 tileX = pixelX >> 3;
+  uint7 tileY = pixelY >> 3;
+  uint16 tileAddress = tileY << 7 | tileX;
 
   bool outOfBounds = (pixelX | pixelY) & ~1023;
 
-  uint8 tile = ppu.io.repeatMode7 == 3 & outOfBounds ? 0 : ppu.vram[tileAddress] >> 0;
+  uint8 tile = ppu.io.repeatMode7 == 3 && outOfBounds ? 0 : ppu.vram[tileAddress] >> 0;
   uint8 palette = ppu.io.repeatMode7 == 2 && outOfBounds ? 0 : ppu.vram[tile << 6 | paletteAddress] >> 8;
 
   uint priority;
   if(id == ID::BG1) {
     priority = io.priority[0];
   } else if(id == ID::BG2) {
-    priority = io.priority[bool(palette & 0x80)];
+    priority = io.priority[palette >> 7];
     palette &= 0x7f;
   }
 
   if(palette == 0) return;
 
   if(io.aboveEnable) {
-    output.above.palette = palette;
     output.above.priority = priority;
-    output.above.tile = 0;
+    output.above.palette = palette;
+    output.above.paletteGroup = 0;
   }
 
   if(io.belowEnable) {
-    output.below.palette = palette;
     output.below.priority = priority;
-    output.below.tile = 0;
+    output.below.palette = palette;
+    output.below.paletteGroup = 0;
   }
 }
diff --git a/bsnes/sfc/ppu/object.cpp b/bsnes/sfc/ppu/object.cpp
index a46012a9..58758b48 100644
--- a/bsnes/sfc/ppu/object.cpp
+++ b/bsnes/sfc/ppu/object.cpp
@@ -17,7 +17,6 @@ auto PPU::Object::frame() -> void {
 auto PPU::Object::scanline() -> void {
   t.x = 0;
   t.y = ppu.vcounter();
-
   t.itemCount = 0;
   t.tileCount = 0;
 
@@ -25,22 +24,26 @@ auto PPU::Object::scanline() -> void {
   auto oamItem = t.item[t.active];
   auto oamTile = t.tile[t.active];
 
+  for(uint n : range(32)) oamItem[n].valid = false;
+  for(uint n : range(34)) oamTile[n].valid = false;
+
   if(t.y == ppu.vdisp() && !ppu.io.displayDisable) addressReset();
   if(t.y >= ppu.vdisp() - 1 || ppu.io.displayDisable) return;
+}
 
-  for(auto n : range(32)) oamItem[n].valid = false;
-  for(auto n : range(34)) oamTile[n].valid = false;
+auto PPU::Object::evaluate(uint7 index) -> void {
+  if(ppu.io.displayDisable) return;
 
-  for(auto n : range(128)) {
-    uint7 sprite = io.firstSprite + n;
-    if(!onScanline(oam.object[sprite])) continue;
-    if(t.itemCount++ >= 32) break;
+  auto oamItem = t.item[t.active];
+  auto oamTile = t.tile[t.active];
+
+  uint7 sprite = io.firstSprite + index;
+  if(!onScanline(oam.object[sprite])) return;
+  ppu.latch.oamAddress = sprite;
+
+  if(t.itemCount++ < 32) {
     oamItem[t.itemCount - 1] = {true, sprite};
   }
-
-  if(t.itemCount > 0 && oamItem[t.itemCount - 1].valid) {
-    ppu.latch.oamAddress = 0x0200 + (oamItem[t.itemCount - 1].index >> 2);
-  }
 }
 
 auto PPU::Object::onScanline(PPU::OAM::Object& sprite) -> bool {
@@ -58,7 +61,7 @@ auto PPU::Object::run() -> void {
   auto oamTile = t.tile[!t.active];
   uint x = t.x++;
 
-  for(auto n : range(34)) {
+  for(uint n : range(34)) {
     const auto& tile = oamTile[n];
     if(!tile.valid) break;
 
@@ -66,10 +69,10 @@ auto PPU::Object::run() -> void {
     if(px & ~7) continue;
 
     uint color = 0, shift = tile.hflip ? px : 7 - px;
-    color += tile.data >> (shift +  0) & 1;
-    color += tile.data >> (shift +  7) & 2;
-    color += tile.data >> (shift + 14) & 4;
-    color += tile.data >> (shift + 21) & 8;
+    color += tile.data >> shift +  0 & 1;
+    color += tile.data >> shift +  7 & 2;
+    color += tile.data >> shift + 14 & 4;
+    color += tile.data >> shift + 21 & 8;
 
     if(color) {
       if(io.aboveEnable) {
@@ -85,13 +88,20 @@ auto PPU::Object::run() -> void {
   }
 }
 
-auto PPU::Object::tilefetch() -> void {
+auto PPU::Object::fetch() -> void {
   auto oamItem = t.item[t.active];
   auto oamTile = t.tile[t.active];
 
-  for(int i = 31; i >= 0; i--) {
+  for(uint i : reverse(range(32))) {
     if(!oamItem[i].valid) continue;
-    const auto& sprite = oam.object[oamItem[i].index];
+
+    if(ppu.io.displayDisable) {
+      ppu.step(8);
+      continue;
+    }
+
+    ppu.latch.oamAddress = oamItem[i].index;
+    const auto& sprite = oam.object[ppu.latch.oamAddress];
 
     uint tileWidth = sprite.width() >> 3;
     int x = sprite.x;
@@ -117,8 +127,8 @@ auto PPU::Object::tilefetch() -> void {
 
     uint16 tiledataAddress = io.tiledataAddress;
     if(sprite.nameselect) tiledataAddress += 1 + io.nameselect << 12;
-    uint16 chrx =  (sprite.character >> 0 & 15);
-    uint16 chry = ((sprite.character >> 4 & 15) + (y >> 3) & 15) << 4;
+    uint16 chrx =  (sprite.character & 15);
+    uint16 chry = ((sprite.character >> 4) + (y >> 3) & 15) << 4;
 
     for(uint tx : range(tileWidth)) {
       uint sx = x + (tx << 3) & 511;
@@ -134,14 +144,18 @@ auto PPU::Object::tilefetch() -> void {
 
       uint mx = !sprite.hflip ? tx : tileWidth - 1 - tx;
       uint pos = tiledataAddress + ((chry + (chrx + mx & 15)) << 4);
-      uint16 addr = (pos & 0xfff0) + (y & 7);
+      uint16 address = (pos & 0xfff0) + (y & 7);
 
-      oamTile[n].data = ppu.vram[addr + 0] << 0 | ppu.vram[addr + 8] << 16;
-      ppu.step(2);
+      if(!ppu.io.displayDisable)
+      oamTile[n].data  = ppu.vram[address + 0] <<  0;
+      ppu.step(4);
+
+      if(!ppu.io.displayDisable)
+      oamTile[n].data |= ppu.vram[address + 8] << 16;
+      ppu.step(4);
     }
   }
 
-  if(t.tileCount < 34) ppu.step((34 - t.tileCount) * 4);
   io.timeOver  |= (t.tileCount > 34);
   io.rangeOver |= (t.itemCount > 32);
 }
@@ -166,12 +180,12 @@ auto PPU::Object::power() -> void {
   t.tileCount = 0;
 
   t.active = 0;
-  for(auto p : range(2)) {
-    for(auto n : range(32)) {
+  for(uint p : range(2)) {
+    for(uint n : range(32)) {
       t.item[p][n].valid = false;
       t.item[p][n].index = 0;
     }
-    for(auto n : range(34)) {
+    for(uint n : range(34)) {
       t.tile[p][n].valid = false;
       t.tile[p][n].x = 0;
       t.tile[p][n].priority = 0;
diff --git a/bsnes/sfc/ppu/object.hpp b/bsnes/sfc/ppu/object.hpp
index a8f2944a..d25b994d 100644
--- a/bsnes/sfc/ppu/object.hpp
+++ b/bsnes/sfc/ppu/object.hpp
@@ -23,8 +23,9 @@ struct Object {
   alwaysinline auto setFirstSprite() -> void;
   auto frame() -> void;
   auto scanline() -> void;
+  auto evaluate(uint7 index) -> void;
   auto run() -> void;
-  auto tilefetch() -> void;
+  auto fetch() -> void;
   auto power() -> void;
 
   auto onScanline(PPU::OAM::Object&) -> bool;
@@ -34,32 +35,32 @@ struct Object {
   OAM oam;
 
   struct IO {
-    bool aboveEnable;
-    bool belowEnable;
-    bool interlace;
+     uint1 aboveEnable;
+     uint1 belowEnable;
+     uint1 interlace;
 
-    uint3  baseSize;
-    uint2  nameselect;
+     uint3 baseSize;
+     uint2 nameselect;
     uint16 tiledataAddress;
-    uint7  firstSprite;
+     uint7 firstSprite;
 
-    uint priority[4];
+     uint8 priority[4];
 
-    bool timeOver;
-    bool rangeOver;
+     uint1 timeOver;
+     uint1 rangeOver;
   } io;
 
   struct Item {
-    bool  valid;
-    uint7 index;
+     uint1 valid;
+     uint7 index;
   };
 
   struct Tile {
-    bool   valid;
-    uint9  x;
-    uint2  priority;
-    uint8  palette;
-    uint1  hflip;
+     uint1 valid;
+     uint9 x;
+     uint2 priority;
+     uint8 palette;
+     uint1 hflip;
     uint32 data;
   };
 
@@ -77,7 +78,7 @@ struct Object {
 
   struct Output {
     struct Pixel {
-      uint  priority;  //0 = none (transparent)
+      uint8 priority;  //0 = none (transparent)
       uint8 palette;
     } above, below;
   } output;
diff --git a/bsnes/sfc/ppu/ppu.cpp b/bsnes/sfc/ppu/ppu.cpp
index 63c9b3b6..6e08641f 100644
--- a/bsnes/sfc/ppu/ppu.cpp
+++ b/bsnes/sfc/ppu/ppu.cpp
@@ -3,7 +3,7 @@
 namespace SuperFamicom {
 
 PPU ppu;
-
+#include "main.cpp"
 #include "io.cpp"
 #include "background.cpp"
 #include "object.cpp"
@@ -42,6 +42,12 @@ auto PPU::synchronizeCPU() -> void {
   if(clock >= 0 && scheduler.mode != Scheduler::Mode::SynchronizeAll) co_switch(cpu.thread);
 }
 
+auto PPU::step() -> void {
+  tick(2);
+  clock += 2;
+  synchronizeCPU();
+}
+
 auto PPU::step(uint clocks) -> void {
   clocks >>= 1;
   while(clocks--) {
@@ -58,41 +64,6 @@ auto PPU::Enter() -> void {
   }
 }
 
-auto PPU::main() -> void {
-  scanline();
-  step(28);
-  bg4.begin();
-  bg3.begin();
-  bg2.begin();
-  bg1.begin();
-
-  if(vcounter() < vdisp()) {
-    for(int pixel = -7; pixel <= 255; pixel++) {
-      bg4.run(1);
-      bg3.run(1);
-      bg2.run(1);
-      bg1.run(1);
-      step(2);
-
-      bg4.run(0);
-      bg3.run(0);
-      bg2.run(0);
-      bg1.run(0);
-      if(pixel >= 0) {
-        obj.run();
-        window.run();
-        screen.run();
-      }
-      step(2);
-    }
-
-    step(14 + 34 * 2);
-    obj.tilefetch();
-  }
-
-  step(hperiod() - hcounter());
-}
-
 auto PPU::load() -> bool {
   ppu1.version = max(1, min(1, configuration.system.ppu1.version));
   ppu2.version = max(1, min(3, configuration.system.ppu2.version));
@@ -213,34 +184,6 @@ auto PPU::power(bool reset) -> void {
   updateVideoMode();
 }
 
-auto PPU::scanline() -> void {
-  if(vcounter() == 0) {
-    display.interlace = io.interlace;
-    display.overscan = io.overscan;
-    bg1.frame();
-    bg2.frame();
-    bg3.frame();
-    bg4.frame();
-    obj.frame();
-  }
-
-  bg1.scanline();
-  bg2.scanline();
-  bg3.scanline();
-  bg4.scanline();
-  obj.scanline();
-  window.scanline();
-  screen.scanline();
-
-  if(vcounter() == vdisp()) {
-    if(auto device = controllerPort2.device) device->latch();  //light guns
-  }
-
-  if(vcounter() == 240) {
-    scheduler.leave(Scheduler::Event::Frame);
-  }
-}
-
 auto PPU::refresh() -> void {
   if(system.fastPPU()) {
     return ppufast.refresh();
diff --git a/bsnes/sfc/ppu/ppu.hpp b/bsnes/sfc/ppu/ppu.hpp
index 23dabb94..66fd99c7 100644
--- a/bsnes/sfc/ppu/ppu.hpp
+++ b/bsnes/sfc/ppu/ppu.hpp
@@ -9,10 +9,19 @@ struct PPU : Thread, PPUcounter {
 
   auto synchronizeCPU() -> void;
   static auto Enter() -> void;
-  auto main() -> void;
   auto load() -> bool;
   auto power(bool reset) -> void;
 
+  //main.cpp
+  auto main() -> void;
+  noinline auto cycleObjectEvaluate() -> void;
+  template<uint Cycle> noinline auto cycleBackgroundFetch() -> void;
+  noinline auto cycleBackgroundBegin() -> void;
+  noinline auto cycleBackgroundBelow() -> void;
+  noinline auto cycleBackgroundAbove() -> void;
+  noinline auto cycleRenderPixel() -> void;
+  template<uint> auto cycle() -> void;
+
   //io.cpp
   auto latchCounters(uint hcounter, uint vcounter) -> void;
   auto latchCounters() -> void;
@@ -22,6 +31,7 @@ struct PPU : Thread, PPUcounter {
 
 private:
   //ppu.cpp
+  alwaysinline auto step() -> void;
   alwaysinline auto step(uint clocks) -> void;
 
   //io.cpp
@@ -51,7 +61,7 @@ private:
     uint vdisp;
   } display;
 
-  auto scanline() -> void;
+//  auto scanline() -> void;
   auto refresh() -> void;
 
   struct {
diff --git a/bsnes/sfc/ppu/screen.cpp b/bsnes/sfc/ppu/screen.cpp
index 2b188275..7069cff4 100644
--- a/bsnes/sfc/ppu/screen.cpp
+++ b/bsnes/sfc/ppu/screen.cpp
@@ -25,8 +25,8 @@ auto PPU::Screen::run() -> void {
   auto belowColor = below(hires);
   auto aboveColor = above();
 
-  *lineA++ = *lineB++ = ppu.lightTable[ppu.io.displayBrightness][(hires ? belowColor : aboveColor)];
-  *lineA++ = *lineB++ = ppu.lightTable[ppu.io.displayBrightness][(aboveColor)];
+  *lineA++ = *lineB++ = ppu.lightTable[ppu.io.displayBrightness][hires ? belowColor : aboveColor];
+  *lineA++ = *lineB++ = ppu.lightTable[ppu.io.displayBrightness][aboveColor];
 }
 
 auto PPU::Screen::below(bool hires) -> uint16 {
@@ -36,7 +36,7 @@ auto PPU::Screen::below(bool hires) -> uint16 {
   if(ppu.bg1.output.below.priority) {
     priority = ppu.bg1.output.below.priority;
     if(io.directColor && (ppu.io.bgMode == 3 || ppu.io.bgMode == 4 || ppu.io.bgMode == 7)) {
-      math.below.color = directColor(ppu.bg1.output.below.palette, ppu.bg1.output.below.tile);
+      math.below.color = directColor(ppu.bg1.output.below.palette, ppu.bg1.output.below.paletteGroup);
     } else {
       math.below.color = paletteColor(ppu.bg1.output.below.palette);
     }
@@ -75,7 +75,7 @@ auto PPU::Screen::above() -> uint16 {
   if(ppu.bg1.output.above.priority) {
     priority = ppu.bg1.output.above.priority;
     if(io.directColor && (ppu.io.bgMode == 3 || ppu.io.bgMode == 4 || ppu.io.bgMode == 7)) {
-      math.above.color = directColor(ppu.bg1.output.above.palette, ppu.bg1.output.above.tile);
+      math.above.color = directColor(ppu.bg1.output.above.palette, ppu.bg1.output.above.paletteGroup);
     } else {
       math.above.color = paletteColor(ppu.bg1.output.above.palette);
     }
@@ -149,13 +149,13 @@ auto PPU::Screen::paletteColor(uint8 palette) const -> uint15 {
   return cgram[palette];
 }
 
-auto PPU::Screen::directColor(uint palette, uint tile) const -> uint15 {
+auto PPU::Screen::directColor(uint8 palette, uint3 paletteGroup) const -> uint15 {
   //palette = -------- BBGGGRRR
-  //tile    = ---bgr-- --------
+  //group   = -------- -----bgr
   //output  = 0BBb00GG Gg0RRRr0
-  return (palette << 7 & 0x6000) + (tile >> 0 & 0x1000)
-       + (palette << 4 & 0x0380) + (tile >> 5 & 0x0040)
-       + (palette << 2 & 0x001c) + (tile >> 9 & 0x0002);
+  return (palette << 7 & 0x6000) + (paletteGroup << 10 & 0x1000)
+       + (palette << 4 & 0x0380) + (paletteGroup <<  5 & 0x0040)
+       + (palette << 2 & 0x001c) + (paletteGroup <<  1 & 0x0002);
 }
 
 auto PPU::Screen::fixedColor() const -> uint15 {
diff --git a/bsnes/sfc/ppu/screen.hpp b/bsnes/sfc/ppu/screen.hpp
index 13ea8174..87dac3c8 100644
--- a/bsnes/sfc/ppu/screen.hpp
+++ b/bsnes/sfc/ppu/screen.hpp
@@ -1,6 +1,6 @@
 struct Screen {
   auto scanline() -> void;
-  alwaysinline auto run() -> void;
+  auto run() -> void;
   auto power() -> void;
 
   auto below(bool hires) -> uint16;
@@ -8,7 +8,7 @@ struct Screen {
 
   auto blend(uint x, uint y) const -> uint15;
   alwaysinline auto paletteColor(uint8 palette) const -> uint15;
-  alwaysinline auto directColor(uint palette, uint tile) const -> uint15;
+  alwaysinline auto directColor(uint8 palette, uint3 paletteGroup) const -> uint15;
   alwaysinline auto fixedColor() const -> uint15;
 
   auto serialize(serializer&) -> void;
@@ -19,13 +19,13 @@ struct Screen {
   uint15 cgram[256];
 
   struct IO {
-    bool blendMode;
-    bool directColor;
+    uint1 blendMode;
+    uint1 directColor;
 
-    bool colorMode;
-    bool colorHalve;
+    uint1 colorMode;
+    uint1 colorHalve;
     struct Layer {
-      bool colorEnable;
+      uint1 colorEnable;
     } bg1, bg2, bg3, bg4, obj, back;
 
     uint5 colorBlue;
@@ -36,11 +36,11 @@ struct Screen {
   struct Math {
     struct Screen {
       uint15 color;
-      bool colorEnable;
+       uint1 colorEnable;
     } above, below;
-    bool transparent;
-    bool blendMode;
-    bool colorHalve;
+    uint1 transparent;
+    uint1 blendMode;
+    uint1 colorHalve;
   } math;
 
   friend class PPU;
diff --git a/bsnes/sfc/ppu/serialization.cpp b/bsnes/sfc/ppu/serialization.cpp
index 2f2fced3..73b78696 100644
--- a/bsnes/sfc/ppu/serialization.cpp
+++ b/bsnes/sfc/ppu/serialization.cpp
@@ -39,8 +39,8 @@ auto PPU::serialize(serializer& s) -> void {
   s.integer(io.oamAddress);
   s.integer(io.oamPriority);
 
-  s.integer(io.bgPriority);
   s.integer(io.bgMode);
+  s.integer(io.bgPriority);
 
   s.integer(io.hoffsetMode7);
   s.integer(io.voffsetMode7);
@@ -96,14 +96,14 @@ auto PPU::Background::serialize(serializer& s) -> void {
 
   s.integer(latch.hoffset);
   s.integer(latch.voffset);
-  s.integer(latch.screenAddress);
 
   s.integer(output.above.priority);
   s.integer(output.above.palette);
-  s.integer(output.above.tile);
+  s.integer(output.above.paletteGroup);
+
   s.integer(output.below.priority);
   s.integer(output.below.palette);
-  s.integer(output.below.tile);
+  s.integer(output.below.paletteGroup);
 
   s.integer(mosaic.size);
   s.integer(mosaic.enable);
@@ -111,18 +111,29 @@ auto PPU::Background::serialize(serializer& s) -> void {
   s.integer(mosaic.hcounter);
   s.integer(mosaic.voffset);
   s.integer(mosaic.hoffset);
+
   s.integer(mosaic.pixel.priority);
   s.integer(mosaic.pixel.palette);
-  s.integer(mosaic.pixel.tile);
+  s.integer(mosaic.pixel.paletteGroup);
 
-  s.integer(x);
-  s.integer(y);
-  s.integer(tileCounter);
-  s.integer(tile);
-  s.integer(priority);
-  s.integer(paletteNumber);
-  s.integer(paletteIndex);
-  s.array(data);
+  s.integer(opt.hoffset);
+  s.integer(opt.voffset);
+
+  for(auto& tile : tiles) {
+    s.integer(tile.address);
+    s.integer(tile.character);
+    s.integer(tile.palette);
+    s.integer(tile.paletteGroup);
+    s.integer(tile.priority);
+    s.integer(tile.hmirror);
+    s.integer(tile.vmirror);
+    s.array(tile.data);
+  }
+
+  s.integer(nameTableIndex);
+  s.integer(characterIndex);
+  s.integer(renderingIndex);
+  s.integer(pixelCounter);
 }
 
 auto PPU::Object::serialize(serializer& s) -> void {
diff --git a/bsnes/target-bsnes/program/hacks.cpp b/bsnes/target-bsnes/program/hacks.cpp
index 4c5f4e7c..e76e1672 100644
--- a/bsnes/target-bsnes/program/hacks.cpp
+++ b/bsnes/target-bsnes/program/hacks.cpp
@@ -26,6 +26,9 @@ auto Program::hackCompatibility() -> void {
   //fixes an errant scanline on the title screen due to writing to PPU registers too late
   if(title == "ADVENTURES OF FRANKEN" && region == "PAL") renderCycle = 32;
 
+  //fixes an errant scanline on the title screen due to writing the PPU registers too late
+  if(title == "FIREPOWER 2000") renderCycle = 32;
+
   emulator->configure("Hacks/PPU/Fast", fastPPU);
   emulator->configure("Hacks/PPU/NoSpriteLimit", fastPPUNoSpriteLimit);
   emulator->configure("Hacks/PPU/RenderCycle", renderCycle);
diff --git a/bsnes/target-bsnes/resource/resource.cpp b/bsnes/target-bsnes/resource/resource.cpp
index e74a6d7b..523d8a2f 100644
--- a/bsnes/target-bsnes/resource/resource.cpp
+++ b/bsnes/target-bsnes/resource/resource.cpp
@@ -1863,7 +1863,7 @@ const unsigned char SameBoy[32358] = {
   78,68,174,66,96,130,
 };
 namespace System {
-const unsigned char Boards[30846] = {
+const unsigned char Boards[31025] = {
   100,97,116,97,98,97,115,101,10,32,32,114,101,118,105,115,105,111,110,58,32,50,48,49,56,45,48,55,45,50,53,10,
   10,47,47,66,111,97,114,100,115,32,40,80,114,111,100,117,99,116,105,111,110,41,10,10,100,97,116,97,98,97,115,101,
   10,32,32,114,101,118,105,115,105,111,110,58,32,50,48,49,56,45,48,53,45,49,54,10,10,98,111,97,114,100,58,32,
@@ -2436,398 +2436,404 @@ const unsigned char Boards[30846] = {
   109,111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,32,
   32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,56,48,48,48,45,102,
   102,102,102,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,52,48,45,55,100,44,99,48,45,102,102,58,
-  48,48,48,48,45,102,102,102,102,10,10,47,47,66,111,97,114,100,115,32,40,71,101,110,101,114,105,99,41,10,10,100,
-  97,116,97,98,97,115,101,10,32,32,114,101,118,105,115,105,111,110,58,32,50,48,49,56,45,48,55,45,50,53,10,10,
-  98,111,97,114,100,58,32,65,82,77,45,76,79,82,79,77,45,82,65,77,10,32,32,109,101,109,111,114,121,32,116,121,
-  112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,32,32,32,109,97,112,32,97,
-  100,100,114,101,115,115,61,48,48,45,55,100,44,56,48,45,102,102,58,56,48,48,48,45,102,102,102,102,32,109,97,115,
-  107,61,48,120,56,48,48,48,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,52,48,45,54,102,44,99,
-  48,45,101,102,58,48,48,48,48,45,55,102,102,102,32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,109,101,109,
-  111,114,121,32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,83,97,118,101,10,32,32,32,32,109,97,
-  112,32,97,100,100,114,101,115,115,61,55,48,45,55,100,44,102,48,45,102,102,58,48,48,48,48,45,102,102,102,102,10,
-  32,32,112,114,111,99,101,115,115,111,114,32,97,114,99,104,105,116,101,99,116,117,114,101,61,65,82,77,54,10,32,32,
-  32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,51,56,48,48,45,51,
-  56,102,102,10,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,
-  80,114,111,103,114,97,109,32,97,114,99,104,105,116,101,99,116,117,114,101,61,65,82,77,54,10,32,32,32,32,109,101,
-  109,111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,68,97,116,97,32,97,114,99,104,105,
-  116,101,99,116,117,114,101,61,65,82,77,54,10,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,
+  48,48,48,48,45,102,102,102,102,10,10,47,47,66,111,97,114,100,115,32,40,80,114,111,116,111,116,121,112,101,115,41,
+  10,10,98,111,97,114,100,58,32,83,72,86,67,45,52,80,86,53,66,45,48,49,10,32,32,109,101,109,111,114,121,32,
+  116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,32,32,32,109,97,112,
+  32,97,100,100,114,101,115,115,61,48,48,45,55,100,44,56,48,45,102,102,58,56,48,48,48,45,102,102,102,102,32,109,
+  97,115,107,61,48,120,56,48,48,48,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,52,48,45,55,100,
+  44,99,48,45,102,102,58,48,48,48,48,45,55,102,102,102,32,109,97,115,107,61,48,120,56,48,48,48,10,10,47,47,
+  66,111,97,114,100,115,32,40,71,101,110,101,114,105,99,41,10,10,100,97,116,97,98,97,115,101,10,32,32,114,101,118,
+  105,115,105,111,110,58,32,50,48,49,56,45,48,55,45,50,53,10,10,98,111,97,114,100,58,32,65,82,77,45,76,79,
+  82,79,77,45,82,65,77,10,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,
+  116,61,80,114,111,103,114,97,109,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,55,100,44,
+  56,48,45,102,102,58,56,48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,32,32,
+  109,97,112,32,97,100,100,114,101,115,115,61,52,48,45,54,102,44,99,48,45,101,102,58,48,48,48,48,45,55,102,102,
+  102,32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,32,
+  99,111,110,116,101,110,116,61,83,97,118,101,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,55,48,45,
+  55,100,44,102,48,45,102,102,58,48,48,48,48,45,102,102,102,102,10,32,32,112,114,111,99,101,115,115,111,114,32,97,
+  114,99,104,105,116,101,99,116,117,114,101,61,65,82,77,54,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,
+  61,48,48,45,51,102,44,56,48,45,98,102,58,51,56,48,48,45,51,56,102,102,10,32,32,32,32,109,101,109,111,114,
+  121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,32,97,114,99,104,105,
+  116,101,99,116,117,114,101,61,65,82,77,54,10,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,79,77,
   32,99,111,110,116,101,110,116,61,68,97,116,97,32,97,114,99,104,105,116,101,99,116,117,114,101,61,65,82,77,54,10,
-  32,32,32,32,111,115,99,105,108,108,97,116,111,114,10,10,98,111,97,114,100,58,32,66,83,45,72,73,82,79,77,45,
-  82,65,77,10,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,
-  111,103,114,97,109,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,49,102,44,56,48,45,57,
-  102,58,56,48,48,48,45,102,102,102,102,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,52,48,45,53,
-  102,44,99,48,45,100,102,58,48,48,48,48,45,102,102,102,102,10,32,32,109,101,109,111,114,121,32,116,121,112,101,61,
-  82,65,77,32,99,111,110,116,101,110,116,61,83,97,118,101,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,
-  61,50,48,45,51,102,44,97,48,45,98,102,58,54,48,48,48,45,55,102,102,102,32,109,97,115,107,61,48,120,101,48,
-  48,48,10,32,32,115,108,111,116,32,116,121,112,101,61,66,83,77,101,109,111,114,121,10,32,32,32,32,109,97,112,32,
-  97,100,100,114,101,115,115,61,50,48,45,51,102,44,97,48,45,98,102,58,56,48,48,48,45,102,102,102,102,10,32,32,
-  32,32,109,97,112,32,97,100,100,114,101,115,115,61,54,48,45,55,100,44,101,48,45,102,102,58,48,48,48,48,45,102,
-  102,102,102,10,10,98,111,97,114,100,58,32,66,83,45,76,79,82,79,77,45,82,65,77,10,32,32,109,101,109,111,114,
-  121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,32,32,32,109,
-  97,112,32,97,100,100,114,101,115,115,61,48,48,45,49,102,58,56,48,48,48,45,102,102,102,102,32,98,97,115,101,61,
-  48,120,48,48,48,48,48,48,32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,32,32,109,97,112,32,97,100,100,
-  114,101,115,115,61,50,48,45,51,102,58,56,48,48,48,45,102,102,102,102,32,98,97,115,101,61,48,120,49,48,48,48,
-  48,48,32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,56,
-  48,45,57,102,58,56,48,48,48,45,102,102,102,102,32,98,97,115,101,61,48,120,50,48,48,48,48,48,32,109,97,115,
-  107,61,48,120,56,48,48,48,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,97,48,45,98,102,58,56,
-  48,48,48,45,102,102,102,102,32,98,97,115,101,61,48,120,49,48,48,48,48,48,32,109,97,115,107,61,48,120,56,48,
-  48,48,10,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,83,97,118,
-  101,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,55,48,45,55,100,44,102,48,45,102,102,58,48,48,
-  48,48,45,55,102,102,102,32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,115,108,111,116,32,116,121,112,101,61,
-  66,83,77,101,109,111,114,121,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,99,48,45,101,102,58,48,
-  48,48,48,45,102,102,102,102,10,10,98,111,97,114,100,58,32,66,83,45,77,67,67,45,82,65,77,10,32,32,109,101,
+  32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,68,97,116,97,
+  32,97,114,99,104,105,116,101,99,116,117,114,101,61,65,82,77,54,10,32,32,32,32,111,115,99,105,108,108,97,116,111,
+  114,10,10,98,111,97,114,100,58,32,66,83,45,72,73,82,79,77,45,82,65,77,10,32,32,109,101,109,111,114,121,32,
+  116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,32,32,32,109,97,112,
+  32,97,100,100,114,101,115,115,61,48,48,45,49,102,44,56,48,45,57,102,58,56,48,48,48,45,102,102,102,102,10,32,
+  32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,52,48,45,53,102,44,99,48,45,100,102,58,48,48,48,48,45,
+  102,102,102,102,10,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,83,
+  97,118,101,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,50,48,45,51,102,44,97,48,45,98,102,58,
+  54,48,48,48,45,55,102,102,102,32,109,97,115,107,61,48,120,101,48,48,48,10,32,32,115,108,111,116,32,116,121,112,
+  101,61,66,83,77,101,109,111,114,121,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,50,48,45,51,102,
+  44,97,48,45,98,102,58,56,48,48,48,45,102,102,102,102,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,
+  61,54,48,45,55,100,44,101,48,45,102,102,58,48,48,48,48,45,102,102,102,102,10,10,98,111,97,114,100,58,32,66,
+  83,45,76,79,82,79,77,45,82,65,77,10,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,
+  110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,
+  45,49,102,58,56,48,48,48,45,102,102,102,102,32,98,97,115,101,61,48,120,48,48,48,48,48,48,32,109,97,115,107,
+  61,48,120,56,48,48,48,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,50,48,45,51,102,58,56,48,
+  48,48,45,102,102,102,102,32,98,97,115,101,61,48,120,49,48,48,48,48,48,32,109,97,115,107,61,48,120,56,48,48,
+  48,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,56,48,45,57,102,58,56,48,48,48,45,102,102,102,
+  102,32,98,97,115,101,61,48,120,50,48,48,48,48,48,32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,32,32,
+  109,97,112,32,97,100,100,114,101,115,115,61,97,48,45,98,102,58,56,48,48,48,45,102,102,102,102,32,98,97,115,101,
+  61,48,120,49,48,48,48,48,48,32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,109,101,109,111,114,121,32,116,
+  121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,83,97,118,101,10,32,32,32,32,109,97,112,32,97,100,100,
+  114,101,115,115,61,55,48,45,55,100,44,102,48,45,102,102,58,48,48,48,48,45,55,102,102,102,32,109,97,115,107,61,
+  48,120,56,48,48,48,10,32,32,115,108,111,116,32,116,121,112,101,61,66,83,77,101,109,111,114,121,10,32,32,32,32,
+  109,97,112,32,97,100,100,114,101,115,115,61,99,48,45,101,102,58,48,48,48,48,45,102,102,102,102,10,10,98,111,97,
+  114,100,58,32,66,83,45,77,67,67,45,82,65,77,10,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,
+  32,99,111,110,116,101,110,116,61,83,97,118,101,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,49,48,
+  45,49,55,58,53,48,48,48,45,53,102,102,102,32,109,97,115,107,61,48,120,102,48,48,48,10,32,32,112,114,111,99,
+  101,115,115,111,114,32,105,100,101,110,116,105,102,105,101,114,61,77,67,67,10,32,32,32,32,109,97,112,32,97,100,100,
+  114,101,115,115,61,48,48,45,48,102,58,53,48,48,48,45,53,102,102,102,10,32,32,32,32,109,99,117,10,32,32,32,
+  32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,56,48,48,48,45,
+  102,102,102,102,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,52,48,45,55,100,44,99,48,45,
+  102,102,58,48,48,48,48,45,102,102,102,102,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,50,
+  48,45,51,102,44,97,48,45,98,102,58,54,48,48,48,45,55,102,102,102,10,32,32,32,32,32,32,109,101,109,111,114,
+  121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,32,32,32,32,
+  32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,68,111,119,110,108,111,97,
+  100,10,32,32,32,32,32,32,115,108,111,116,32,116,121,112,101,61,66,83,77,101,109,111,114,121,10,10,98,111,97,114,
+  100,58,32,66,83,45,83,65,49,45,82,65,77,10,32,32,112,114,111,99,101,115,115,111,114,32,97,114,99,104,105,116,
+  101,99,116,117,114,101,61,87,54,53,67,56,49,54,83,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,
+  48,48,45,51,102,44,56,48,45,98,102,58,50,50,48,48,45,50,51,102,102,10,32,32,32,32,109,99,117,10,32,32,
+  32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,56,48,48,48,
+  45,102,102,102,102,32,109,97,115,107,61,48,120,52,48,56,48,48,48,10,32,32,32,32,32,32,109,97,112,32,97,100,
+  100,114,101,115,115,61,99,48,45,102,102,58,48,48,48,48,45,102,102,102,102,10,32,32,32,32,32,32,109,101,109,111,
+  114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,32,32,32,
+  32,32,115,108,111,116,32,116,121,112,101,61,66,83,77,101,109,111,114,121,10,32,32,32,32,109,101,109,111,114,121,32,
+  116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,83,97,118,101,10,32,32,32,32,32,32,109,97,112,32,
+  97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,54,48,48,48,45,55,102,102,102,32,115,105,
+  122,101,61,48,120,50,48,48,48,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,52,48,45,52,
+  102,58,48,48,48,48,45,102,102,102,102,10,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,32,
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-  115,115,61,54,48,45,54,102,44,101,48,45,101,102,58,48,48,48,48,45,102,102,102,102,10,32,32,115,108,111,116,32,
-  116,121,112,101,61,83,117,102,97,109,105,84,117,114,98,111,10,32,32,32,32,114,111,109,10,32,32,32,32,32,32,109,
-  97,112,32,97,100,100,114,101,115,115,61,52,48,45,53,102,44,99,48,45,100,102,58,48,48,48,48,45,102,102,102,102,
-  32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,32,32,114,97,109,10,32,32,32,32,32,32,109,97,112,32,97,
-  100,100,114,101,115,115,61,55,48,45,55,100,44,102,48,45,102,102,58,48,48,48,48,45,102,102,102,102,10,10,
+  48,48,48,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,55,48,45,55,49,44,102,48,45,102,49,58,
+  54,48,48,48,45,55,102,102,102,44,101,48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,101,48,48,48,10,
+  32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,83,97,118,101,
+  10,10,98,111,97,114,100,58,32,83,65,49,45,82,65,77,10,32,32,112,114,111,99,101,115,115,111,114,32,97,114,99,
+  104,105,116,101,99,116,117,114,101,61,87,54,53,67,56,49,54,83,10,32,32,32,32,109,97,112,32,97,100,100,114,101,
+  115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,50,50,48,48,45,50,51,102,102,10,32,32,32,32,109,99,117,
+  10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,56,
+  48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,52,48,56,48,48,48,10,32,32,32,32,32,32,109,97,112,
+  32,97,100,100,114,101,115,115,61,99,48,45,102,102,58,48,48,48,48,45,102,102,102,102,10,32,32,32,32,32,32,109,
+  101,109,111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,
+  32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,83,97,118,101,10,
+  32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,54,48,
+  48,48,45,55,102,102,102,32,115,105,122,101,61,48,120,50,48,48,48,10,32,32,32,32,32,32,109,97,112,32,97,100,
+  100,114,101,115,115,61,52,48,45,52,102,58,48,48,48,48,45,102,102,102,102,10,32,32,32,32,109,101,109,111,114,121,
+  32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,73,110,116,101,114,110,97,108,10,32,32,32,32,32,
+  32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,51,48,48,48,45,51,55,
+  102,102,32,115,105,122,101,61,48,120,56,48,48,10,10,98,111,97,114,100,58,32,83,68,68,49,10,32,32,112,114,111,
+  99,101,115,115,111,114,32,105,100,101,110,116,105,102,105,101,114,61,83,68,68,49,10,32,32,32,32,109,97,112,32,97,
+  100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,52,56,48,48,45,52,56,48,102,10,32,32,32,
+  32,109,99,117,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,
+  98,102,58,56,48,48,48,45,102,102,102,102,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,99,
+  48,45,102,102,58,48,48,48,48,45,102,102,102,102,10,32,32,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,
+  61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,10,98,111,97,114,100,58,32,83,68,68,
+  49,45,82,65,77,10,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,
+  83,97,118,101,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,
+  58,54,48,48,48,45,55,102,102,102,32,109,97,115,107,61,48,120,101,48,48,48,10,32,32,32,32,109,97,112,32,97,
+  100,100,114,101,115,115,61,55,48,45,55,51,58,48,48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,56,48,
+  48,48,10,32,32,112,114,111,99,101,115,115,111,114,32,105,100,101,110,116,105,102,105,101,114,61,83,68,68,49,10,32,
+  32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,52,56,48,48,45,
+  52,56,48,102,10,32,32,32,32,109,99,117,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,
+  48,45,51,102,44,56,48,45,98,102,58,56,48,48,48,45,102,102,102,102,10,32,32,32,32,32,32,109,97,112,32,97,
+  100,100,114,101,115,115,61,99,48,45,102,102,58,48,48,48,48,45,102,102,102,102,10,32,32,32,32,32,32,109,101,109,
+  111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,10,98,111,
+  97,114,100,58,32,83,80,67,55,49,49,48,45,82,65,77,10,32,32,112,114,111,99,101,115,115,111,114,32,105,100,101,
+  110,116,105,102,105,101,114,61,83,80,67,55,49,49,48,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,
+  48,48,45,51,102,44,56,48,45,98,102,58,52,56,48,48,45,52,56,51,102,10,32,32,32,32,109,97,112,32,97,100,
+  100,114,101,115,115,61,53,48,44,53,56,58,48,48,48,48,45,102,102,102,102,10,32,32,32,32,109,99,117,10,32,32,
+  32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,56,48,48,48,
+  45,102,102,102,102,32,109,97,115,107,61,48,120,56,48,48,48,48,48,10,32,32,32,32,32,32,109,97,112,32,97,100,
+  100,114,101,115,115,61,99,48,45,102,102,58,48,48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,99,48,48,
+  48,48,48,10,32,32,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,
+  116,61,80,114,111,103,114,97,109,10,32,32,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,79,77,32,
+  99,111,110,116,101,110,116,61,68,97,116,97,10,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,65,77,
+  32,99,111,110,116,101,110,116,61,83,97,118,101,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,
+  48,48,45,51,102,44,56,48,45,98,102,58,54,48,48,48,45,55,102,102,102,32,109,97,115,107,61,48,120,101,48,48,
+  48,10,10,98,111,97,114,100,58,32,83,80,67,55,49,49,48,45,82,65,77,45,69,80,83,79,78,82,84,67,10,32,
+  32,112,114,111,99,101,115,115,111,114,32,105,100,101,110,116,105,102,105,101,114,61,83,80,67,55,49,49,48,10,32,32,
+  32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,52,56,48,48,45,52,
+  56,51,102,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,53,48,44,53,56,58,48,48,48,48,45,102,
+  102,102,102,10,32,32,32,32,109,99,117,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,
+  45,51,102,44,56,48,45,98,102,58,56,48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,56,48,48,48,48,
+  48,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,99,48,45,102,102,58,48,48,48,48,45,102,
+  102,102,102,32,109,97,115,107,61,48,120,99,48,48,48,48,48,10,32,32,32,32,32,32,109,101,109,111,114,121,32,116,
+  121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,32,32,32,32,32,109,101,
+  109,111,114,121,32,116,121,112,101,61,82,79,77,32,99,111,110,116,101,110,116,61,68,97,116,97,10,32,32,32,32,109,
+  101,109,111,114,121,32,116,121,112,101,61,82,65,77,32,99,111,110,116,101,110,116,61,83,97,118,101,10,32,32,32,32,
+  32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,48,45,98,102,58,54,48,48,48,45,55,
+  102,102,102,32,109,97,115,107,61,48,120,101,48,48,48,10,32,32,114,116,99,32,109,97,110,117,102,97,99,116,117,114,
+  101,114,61,69,112,115,111,110,10,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,48,48,45,51,102,44,56,
+  48,45,98,102,58,52,56,52,48,45,52,56,52,50,10,32,32,32,32,109,101,109,111,114,121,32,116,121,112,101,61,82,
+  84,67,32,99,111,110,116,101,110,116,61,84,105,109,101,32,109,97,110,117,102,97,99,116,117,114,101,114,61,69,112,115,
+  111,110,10,10,98,111,97,114,100,58,32,83,84,45,76,79,82,79,77,10,32,32,109,101,109,111,114,121,32,116,121,112,
+  101,61,82,79,77,32,99,111,110,116,101,110,116,61,80,114,111,103,114,97,109,10,32,32,32,32,109,97,112,32,97,100,
+  100,114,101,115,115,61,48,48,45,49,102,44,56,48,45,57,102,58,56,48,48,48,45,102,102,102,102,32,109,97,115,107,
+  61,48,120,56,48,48,48,10,32,32,115,108,111,116,32,116,121,112,101,61,83,117,102,97,109,105,84,117,114,98,111,10,
+  32,32,32,32,114,111,109,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,50,48,45,51,102,44,
+  97,48,45,98,102,58,56,48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,56,48,48,48,10,32,32,32,32,
+  114,97,109,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,54,48,45,54,102,44,101,48,45,101,
+  102,58,48,48,48,48,45,102,102,102,102,10,32,32,115,108,111,116,32,116,121,112,101,61,83,117,102,97,109,105,84,117,
+  114,98,111,10,32,32,32,32,114,111,109,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,52,48,
+  45,53,102,44,99,48,45,100,102,58,48,48,48,48,45,102,102,102,102,32,109,97,115,107,61,48,120,56,48,48,48,10,
+  32,32,32,32,114,97,109,10,32,32,32,32,32,32,109,97,112,32,97,100,100,114,101,115,115,61,55,48,45,55,100,44,
+  102,48,45,102,102,58,48,48,48,48,45,102,102,102,102,10,10,
 };
 const unsigned char IPLROM[64] = {
   205,239,189,232,0,198,29,208,252,143,170,244,143,187,245,120,204,244,208,251,47,25,235,244,208,252,126,244,208,11,228,245,
diff --git a/bsnes/target-bsnes/resource/resource.hpp b/bsnes/target-bsnes/resource/resource.hpp
index fc0aedf4..fc7bc202 100644
--- a/bsnes/target-bsnes/resource/resource.hpp
+++ b/bsnes/target-bsnes/resource/resource.hpp
@@ -3,7 +3,7 @@ extern const unsigned char Icon[3463];
 extern const unsigned char Logo[23467];
 extern const unsigned char SameBoy[32358];
 namespace System {
-extern const unsigned char Boards[30846];
+extern const unsigned char Boards[31025];
 extern const unsigned char IPLROM[64];
 }
 }
diff --git a/bsnes/target-bsnes/resource/system/boards.bml b/bsnes/target-bsnes/resource/system/boards.bml
index 720faab2..daf71d25 100644
--- a/bsnes/target-bsnes/resource/system/boards.bml
+++ b/bsnes/target-bsnes/resource/system/boards.bml
@@ -562,6 +562,13 @@ board: SHVC-YJ0N-01
     map address=00-3f,80-bf:8000-ffff
     map address=40-7d,c0-ff:0000-ffff
 
+//Boards (Prototypes)
+
+board: SHVC-4PV5B-01
+  memory type=ROM content=Program
+    map address=00-7d,80-ff:8000-ffff mask=0x8000
+    map address=40-7d,c0-ff:0000-7fff mask=0x8000
+
 //Boards (Generic)
 
 database