diff --git a/bsnes/emulator/emulator.hpp b/bsnes/emulator/emulator.hpp
index 63faea03..967d7cb0 100644
--- a/bsnes/emulator/emulator.hpp
+++ b/bsnes/emulator/emulator.hpp
@@ -29,13 +29,13 @@ using namespace nall;
 
 namespace Emulator {
   static const string Name    = "bsnes";
-  static const string Version = "114.1";
+  static const string Version = "114.2";
   static const string Author  = "byuu";
   static const string License = "GPLv3";
   static const string Website = "https://byuu.org";
 
   //incremented only when serialization format changes
-  static const string SerializerVersion = "114.1";
+  static const string SerializerVersion = "114.2";
 
   namespace Constants {
     namespace Colorburst {
diff --git a/bsnes/sfc/coprocessor/sdd1/serialization.cpp b/bsnes/sfc/coprocessor/sdd1/serialization.cpp
index be381b9b..b4b57a83 100644
--- a/bsnes/sfc/coprocessor/sdd1/serialization.cpp
+++ b/bsnes/sfc/coprocessor/sdd1/serialization.cpp
@@ -6,9 +6,9 @@ auto SDD1::serialize(serializer& s) -> void {
   s.integer(r4806);
   s.integer(r4807);
 
-  for(auto n : range(8)) {
-    s.integer(dma[n].addr);
-    s.integer(dma[n].size);
+  for(auto& channel : dma) {
+    s.integer(channel.addr);
+    s.integer(channel.size);
   }
   s.integer(dmaReady);
 
@@ -26,6 +26,7 @@ auto SDD1::Decompressor::serialize(serializer& s) -> void {
   bg5.serialize(s);
   bg6.serialize(s);
   bg7.serialize(s);
+  pem.serialize(s);
   cm.serialize(s);
   ol.serialize(s);
 }
diff --git a/bsnes/sfc/ppu/background.cpp b/bsnes/sfc/ppu/background.cpp
index 09db47e3..1e236c48 100644
--- a/bsnes/sfc/ppu/background.cpp
+++ b/bsnes/sfc/ppu/background.cpp
@@ -13,13 +13,6 @@ auto PPU::Background::scanline() -> void {
   mosaic.hcounter = ppu.mosaic.size;
   mosaic.hoffset = 0;
 
-  if(io.mode == Mode::Mode7) return beginMode7();
-
-  latch.hoffset = io.hoffset;
-  latch.voffset = io.voffset;
-
-  nameTableIndex = 0;
-  characterIndex = 0;
   renderingIndex = 0;
 
   opt.hoffset = 0;
@@ -36,11 +29,13 @@ auto PPU::Background::begin() -> void {
 auto PPU::Background::fetchNameTable() -> void {
   if(ppu.vcounter() == 0) return;
 
+  uint nameTableIndex = ppu.hcounter() >> 5 << hires();
   int x = (ppu.hcounter() & ~31) >> 2;
+
   uint hpixel = x << hires();
   uint vpixel = ppu.vcounter();
-  uint hscroll = latch.hoffset;
-  uint vscroll = latch.voffset;
+  uint hscroll = io.hoffset;
+  uint vscroll = io.voffset;
 
   if(mosaic.enable) vpixel -= ppu.mosaic.voffset();
   if(hires()) {
@@ -131,6 +126,7 @@ auto PPU::Background::fetchNameTable() -> void {
 auto PPU::Background::fetchOffset(uint y) -> void {
   if(ppu.vcounter() == 0) return;
 
+  uint characterIndex = ppu.hcounter() >> 5 << hires();
   uint x = characterIndex << 3;
 
   uint hoffset = x + (io.hoffset & ~7);
@@ -152,13 +148,13 @@ auto PPU::Background::fetchOffset(uint y) -> void {
   uint16 address = io.screenAddress + offset;
   if(y == 0) opt.hoffset = ppu.vram[address];
   if(y == 8) opt.voffset = ppu.vram[address];
-
-  if(y == 0) characterIndex++;
 }
 
-auto PPU::Background::fetchCharacter(uint index) -> void {
+auto PPU::Background::fetchCharacter(uint index, bool half) -> void {
   if(ppu.vcounter() == 0) return;
 
+  uint characterIndex = (ppu.hcounter() >> 5 << hires()) + half;
+
   auto& tile = tiles[characterIndex];
   uint16 data = ppu.vram[tile.address + (index << 3)];
 
@@ -174,8 +170,6 @@ auto PPU::Background::fetchCharacter(uint index) -> void {
     ((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 {
@@ -230,8 +224,6 @@ auto PPU::Background::power() -> void {
   io.hoffset = random();
   io.voffset = random();
 
-  latch = {};
-
   output.above = {};
   output.below = {};
 
diff --git a/bsnes/sfc/ppu/background.hpp b/bsnes/sfc/ppu/background.hpp
index 4b752774..eb44d25c 100644
--- a/bsnes/sfc/ppu/background.hpp
+++ b/bsnes/sfc/ppu/background.hpp
@@ -9,13 +9,12 @@ struct Background {
   auto begin() -> void;
   auto fetchNameTable() -> void;
   auto fetchOffset(uint y) -> void;
-  auto fetchCharacter(uint index) -> void;
+  auto fetchCharacter(uint index, bool half = 0) -> void;
   auto run(bool screen) -> void;
   auto power() -> void;
 
   //mode7.cpp
   alwaysinline auto clip(int n) -> int;
-  auto beginMode7() -> void;
   auto runMode7() -> void;
 
   auto serialize(serializer&) -> void;
@@ -44,11 +43,6 @@ struct Background {
     uint16 voffset;
   } io;
 
-  struct Latch {
-    uint16 hoffset;
-    uint16 voffset;
-  } latch;
-
   struct Pixel {
     uint8 priority;  //0 = none (transparent)
     uint8 palette;
@@ -84,8 +78,8 @@ struct Background {
     uint16 data[4];
   } tiles[66];
 
-  uint7 nameTableIndex;
-  uint7 characterIndex;
+uint7 nameTableIndex2;
+uint7 characterIndex2;
   uint7 renderingIndex;
   uint3 pixelCounter;
 
diff --git a/bsnes/sfc/ppu/main.cpp b/bsnes/sfc/ppu/main.cpp
index 07cbc54d..68f994ca 100644
--- a/bsnes/sfc/ppu/main.cpp
+++ b/bsnes/sfc/ppu/main.cpp
@@ -95,60 +95,60 @@ auto PPU::cycleBackgroundFetch() -> void {
     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);
+    if constexpr(Cycle == 4) bg2.fetchCharacter(0);
+    if constexpr(Cycle == 5) bg2.fetchCharacter(1);
+    if constexpr(Cycle == 6) bg1.fetchCharacter(0);
+    if constexpr(Cycle == 7) bg1.fetchCharacter(1);
     break;
   case 2:
     if constexpr(Cycle == 0) bg2.fetchNameTable();
     if constexpr(Cycle == 1) bg1.fetchNameTable();
-    if constexpr(Cycle == 2) bg3.fetchOffset(8);
-    if constexpr(Cycle == 3) bg3.fetchOffset(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);
+    if constexpr(Cycle == 2) bg3.fetchOffset(0);
+    if constexpr(Cycle == 3) bg3.fetchOffset(8);
+    if constexpr(Cycle == 4) bg2.fetchCharacter(0);
+    if constexpr(Cycle == 5) bg2.fetchCharacter(1);
+    if constexpr(Cycle == 6) bg1.fetchCharacter(0);
+    if constexpr(Cycle == 7) bg1.fetchCharacter(1);
     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);
+    if constexpr(Cycle == 2) bg2.fetchCharacter(0);
+    if constexpr(Cycle == 3) bg2.fetchCharacter(1);
+    if constexpr(Cycle == 4) bg1.fetchCharacter(0);
+    if constexpr(Cycle == 5) bg1.fetchCharacter(1);
+    if constexpr(Cycle == 6) bg1.fetchCharacter(2);
+    if constexpr(Cycle == 7) bg1.fetchCharacter(3);
     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);
+    if constexpr(Cycle == 4) bg1.fetchCharacter(0);
+    if constexpr(Cycle == 5) bg1.fetchCharacter(1);
+    if constexpr(Cycle == 6) bg1.fetchCharacter(2);
+    if constexpr(Cycle == 7) bg1.fetchCharacter(3);
     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);
+    if constexpr(Cycle == 2) bg2.fetchCharacter(0, 0);
+    if constexpr(Cycle == 3) bg2.fetchCharacter(0, 1);
+    if constexpr(Cycle == 4) bg1.fetchCharacter(0, 0);
+    if constexpr(Cycle == 5) bg1.fetchCharacter(1, 0);
+    if constexpr(Cycle == 6) bg1.fetchCharacter(0, 1);
+    if constexpr(Cycle == 7) bg1.fetchCharacter(1, 1);
     break;
   case 6:
     if constexpr(Cycle == 0) bg2.fetchNameTable();
     if constexpr(Cycle == 1) bg1.fetchNameTable();
-    if constexpr(Cycle == 2) bg3.fetchOffset(8);
-    if constexpr(Cycle == 3) bg3.fetchOffset(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);
+    if constexpr(Cycle == 2) bg3.fetchOffset(0);
+    if constexpr(Cycle == 3) bg3.fetchOffset(8);
+    if constexpr(Cycle == 4) bg1.fetchCharacter(0, 0);
+    if constexpr(Cycle == 5) bg1.fetchCharacter(1, 0);
+    if constexpr(Cycle == 6) bg1.fetchCharacter(0, 1);
+    if constexpr(Cycle == 7) bg1.fetchCharacter(1, 1);
     break;
   case 7:
     //handled separately by mode7.cpp
diff --git a/bsnes/sfc/ppu/mode7.cpp b/bsnes/sfc/ppu/mode7.cpp
index af246453..4b4413b9 100644
--- a/bsnes/sfc/ppu/mode7.cpp
+++ b/bsnes/sfc/ppu/mode7.cpp
@@ -3,12 +3,6 @@ auto PPU::Background::clip(int n) -> int {
   return n & 0x2000 ? (n | ~1023) : (n & 1023);
 }
 
-//H = 0
-auto PPU::Background::beginMode7() -> void {
-  latch.hoffset = ppu.io.hoffsetMode7;
-  latch.voffset = ppu.io.voffsetMode7;
-}
-
 auto PPU::Background::runMode7() -> void {
   int a = (int16)ppu.io.m7a;
   int b = (int16)ppu.io.m7b;
@@ -17,14 +11,16 @@ auto PPU::Background::runMode7() -> void {
 
   int hcenter = (int13)ppu.io.m7x;
   int vcenter = (int13)ppu.io.m7y;
-  int hoffset = (int13)latch.hoffset;
-  int voffset = (int13)latch.voffset;
+  int hoffset = (int13)ppu.io.hoffsetMode7;
+  int voffset = (int13)ppu.io.voffsetMode7;
 
   uint x = mosaic.hoffset;
   uint y = ppu.vcounter();
   if(ppu.bg1.mosaic.enable) y -= ppu.mosaic.voffset();  //BG2 vertical mosaic uses BG1 mosaic enable
 
-  if(--mosaic.hcounter == 0) {
+  if(!mosaic.enable) {
+    mosaic.hoffset += 1;
+  } else if(--mosaic.hcounter == 0) {
     mosaic.hcounter = ppu.mosaic.size;
     mosaic.hoffset += ppu.mosaic.size;
   }
diff --git a/bsnes/sfc/ppu/serialization.cpp b/bsnes/sfc/ppu/serialization.cpp
index 30723a8a..9a022211 100644
--- a/bsnes/sfc/ppu/serialization.cpp
+++ b/bsnes/sfc/ppu/serialization.cpp
@@ -100,9 +100,6 @@ auto PPU::Background::serialize(serializer& s) -> void {
   s.integer(io.hoffset);
   s.integer(io.voffset);
 
-  s.integer(latch.hoffset);
-  s.integer(latch.voffset);
-
   s.integer(output.above.priority);
   s.integer(output.above.palette);
   s.integer(output.above.paletteGroup);
@@ -133,8 +130,6 @@ auto PPU::Background::serialize(serializer& s) -> void {
     s.array(tile.data);
   }
 
-  s.integer(nameTableIndex);
-  s.integer(characterIndex);
   s.integer(renderingIndex);
   s.integer(pixelCounter);
 }