diff --git a/cpu/decoder.cpp b/cpu/decoder.cpp
index 9607fbc..f945d32 100644
--- a/cpu/decoder.cpp
+++ b/cpu/decoder.cpp
@@ -273,6 +273,7 @@ void Cpu::executeInstruction()
           data |= (1 << bit);
           break;
         }
+
       // All ops except for BIT write the data back to where it came from
       if ((prefix_op & 0xC0) != 0x40)
         {
@@ -299,10 +300,8 @@ void Cpu::executeInstruction()
         case 0xED:
         case 0xFD:
           break;
-
         case 0x00: // defined NOP
           break;
-
         case 0x0A: // Load A, [BC]
           state.A = bus->read8(state.BC);
           mcycles = 2;
@@ -393,7 +392,6 @@ void Cpu::executeInstruction()
           bus->write16(readPC16(), state.SP); mcycles = 5; break;
         case 0xF9: // LD SP, HL
           state.SP = state.HL; mcycles = 2; break;
-
         case 0xC6: // ADD n
           aluop8(ADD, readPC8()); mcycles = 2; break;
         case 0xD6: // SUB n
@@ -402,7 +400,6 @@ void Cpu::executeInstruction()
           aluop8(AND, readPC8()); mcycles = 2; break;
         case 0xF6: // OR  n
           aluop8(OR, readPC8()); mcycles = 2; break;
-
         case 0xCE: // ADC n
           aluop8(ADC, readPC8()); mcycles = 2; break;
         case 0xDE: // SBC n
@@ -411,19 +408,16 @@ void Cpu::executeInstruction()
           aluop8(XOR, readPC8()); mcycles = 2; break;
         case 0xFE: // CP n
           aluop8(CP, readPC8()); mcycles = 2; break;
-
         case 0x3F: // CCF complement carry flag
           state.carry = !state.carry;
           state.subtract = false;
           state.halfcarry = false;
           break;
-
         case 0x37: // SCF Set carry flag
           state.carry = true;
           state.subtract = false;
           state.halfcarry = false;
           break;
-
         case 0x27: // DAA
           {
             u16 corr = 0;
@@ -439,13 +433,11 @@ void Cpu::executeInstruction()
             state.carry = (res16 & 0x100);
           }
           break;
-
         case 0x2F: // CPL Complement accumulator
           state.A = ~state.A;
           state.subtract = true;
           state.halfcarry = true;
           break;
-
         case 0xC3: // JP nn
           state.PC = readPC16();
           mcycles = 4;
@@ -469,14 +461,12 @@ void Cpu::executeInstruction()
           state.IME = IME_SCHEDULED;
           mcycles = 4;
           break;
-
         case 0xF3: // DI
           state.IME = IME_OFF;
           break;
         case 0xFB: // EI
           state.IME = IME_SCHEDULED;
           break;
-
         case 0x76: // HALT
           state.halted = true;
           break;
@@ -484,7 +474,6 @@ void Cpu::executeInstruction()
           (void)readPC8();
           state.stopped = true;
           break;
-
         case 0xE8: // ADD SP, e8
           add16(*this, state.SP, state.SP, (s8)readPC8());
           state.zero = false;