diff --git a/gbso/insn.py b/gbso/insn.py
index 6c03b2b..026160c 100644
--- a/gbso/insn.py
+++ b/gbso/insn.py
@@ -629,6 +629,7 @@ class RLCA(Insn):
         a = cpu.get_reg8(R8.A)
         cpu.carry = (a >> 7) & 1
         cpu.set_reg8(R8.A, ((a << 1) & 0xFF) | cpu.carry)
+        cpu.cycles += 4
 
     def pretty(self) -> str:
         return "RLCA"
@@ -641,6 +642,7 @@ class RLA(Insn):
         next_carry = (a >> 7) & 1
         cpu.set_reg8(R8.A, ((a << 1) & 0xFF) | cpu.carry)
         cpu.carry = next_carry
+        cpu.cycles += 4
 
     def pretty(self) -> str:
         return "RLA"
@@ -652,6 +654,7 @@ class RRCA(Insn):
         a = cpu.get_reg8(R8.A)
         cpu.carry = a & 1
         cpu.set_reg8(R8.A, (a >> 1) | (cpu.carry << 7))
+        cpu.cycles += 4
 
     def pretty(self) -> str:
         return "RRCA"
@@ -664,6 +667,7 @@ class RRA(Insn):
         next_carry = a & 1
         cpu.set_reg8(R8.A, (a >> 1) | (cpu.carry << 7))
         cpu.carry = next_carry
+        cpu.cycles += 4
 
     def pretty(self) -> str:
         return "RRA"
@@ -677,6 +681,7 @@ class RLC_R(Insn):
         r = cpu.get_reg8(self.r)
         cpu.carry = (r >> 7) & 1
         cpu.set_reg8(self.r, ((r << 1) & 0xFF) | cpu.carry)
+        cpu.cycles += 8
 
     def pretty(self) -> str:
         return f"RLC {self.r.value}"
@@ -688,6 +693,7 @@ class RLC_HL(Insn):
         hl = cpu.deref_hl()
         cpu.carry = (hl >> 7) & 1
         cpu.deref_hl_set(((hl << 1) & 0xFF) | cpu.carry)
+        cpu.cycles += 16
 
     def pretty(self) -> str:
         return f"RLC (HL)"
@@ -702,6 +708,7 @@ class RL_R(Insn):
         next_carry = (r >> 7) & 1
         cpu.set_reg8(self.r, ((r << 1) & 0xFF) | cpu.carry)
         cpu.carry = next_carry
+        cpu.cycles += 8
 
     def pretty(self) -> str:
         return f"RL {self.r.value}"
@@ -714,6 +721,7 @@ class RL_HL(Insn):
         next_carry = (hl >> 7) & 1
         cpu.deref_hl_set(((hl << 1) & 0xFF) | cpu.carry)
         cpu.carry = next_carry
+        cpu.cycles += 16
 
     def pretty(self) -> str:
         return "RL (HL)"
@@ -727,6 +735,7 @@ class RRC_R(Insn):
         r = cpu.get_reg8(self.r)
         cpu.carry = r & 1
         cpu.set_reg8(self.r, (r >> 1) | (cpu.carry << 7))
+        cpu.cycles += 8
 
     def pretty(self) -> str:
         return f"RRC {self.r.value}"
@@ -738,6 +747,7 @@ class RRC_HL(Insn):
         hl = cpu.deref_hl()
         cpu.carry = hl & 1
         cpu.deref_hl_set((hl >> 1) | (cpu.carry << 7))
+        cpu.cycles += 16
 
     def pretty(self) -> str:
         return "RRC (HL)"
@@ -752,6 +762,7 @@ class RR_R(Insn):
         next_carry = r & 1
         cpu.set_reg8(self.r, (r >> 1) | (cpu.carry << 7))
         cpu.carry = next_carry
+        cpu.cycles += 8
 
     def pretty(self) -> str:
         return f"RR {self.r.value}"
@@ -764,6 +775,7 @@ class RR_HL(Insn):
         next_carry = hl & 1
         cpu.deref_hl_set((hl >> 1) | (cpu.carry << 7))
         cpu.carry = next_carry
+        cpu.cycles += 16
 
     def pretty(self) -> str:
         return "RR (HL)"
@@ -776,6 +788,7 @@ class SLA_R(Insn):
     def exec(self, cpu: CPU) -> None:
         r = cpu.get_reg8(self.r)
         cpu.set_reg8(self.r, (r << 1) & 0xFF)
+        cpu.cycles += 8
 
     def pretty(self) -> str:
         return f"SLA {self.r.value}"
@@ -786,6 +799,7 @@ class SLA_HL(Insn):
     def exec(self, cpu: CPU) -> None:
         hl = cpu.deref_hl()
         cpu.deref_hl_set((hl << 1) & 0xFF)
+        cpu.cycles += 16
 
     def pretty(self) -> str:
         return "SLA (HL)"
@@ -798,6 +812,7 @@ class SWAP_R(Insn):
     def exec(self, cpu: CPU) -> None:
         r = cpu.get_reg8(self.r)
         cpu.set_reg8(self.r, ((r << 4) & 0xFF) | (r >> 4))
+        cpu.cycles += 8
 
     def pretty(self) -> str:
         return f"SWAP {self.r.value}"
@@ -808,6 +823,7 @@ class SWAP_HL(Insn):
     def exec(self, cpu: CPU) -> None:
         hl = cpu.deref_hl()
         cpu.deref_hl_set(((hl << 4) & 0xFF) | (hl >> 4))
+        cpu.cycles += 16
 
     def pretty(self) -> str:
         return "SWAP (HL)"
@@ -820,6 +836,7 @@ class SRA_R(Insn):
     def exec(self, cpu: CPU) -> None:
         r = cpu.get_reg8(self.r)
         cpu.set_reg8(self.r, (r >> 1) | (r & (1 << 7)))
+        cpu.cycles += 8
 
     def pretty(self) -> str:
         return f"SRA {self.r.value}"
@@ -830,6 +847,7 @@ class SRA_HL(Insn):
     def exec(self, cpu: CPU) -> None:
         hl = cpu.deref_hl()
         cpu.deref_hl_set((hl >> 1) | (hl & (1 << 7)))
+        cpu.cycles += 16
 
     def pretty(self) -> str:
         return "SRA (HL)"
@@ -842,6 +860,7 @@ class SRL_R(Insn):
     def exec(self, cpu: CPU) -> None:
         r = cpu.get_reg8(self.r)
         cpu.set_reg8(self.r, r >> 1)
+        cpu.cycles += 8
 
     def pretty(self) -> str:
         return f"SRL {self.r.value}"
@@ -852,14 +871,12 @@ class SRL_HL(Insn):
     def exec(self, cpu: CPU) -> None:
         hl = cpu.deref_hl()
         cpu.deref_hl_set(hl >> 1)
+        cpu.cycles += 16
 
     def pretty(self) -> str:
         return "SRL (HL)"
 
 
-# TODO: Remaining rotate and shift instructions
-
-
 @dataclass
 class SET_N_R(Insn):
     n: int
@@ -867,6 +884,7 @@ class SET_N_R(Insn):
 
     def exec(self, cpu: CPU) -> None:
         cpu.set_reg8(self.r, cpu.get_reg8(self.r) | (1 << self.n))
+        cpu.cycles += 8
 
     def pretty(self) -> str:
         return f"SET {self.n}, {self.r.value}"
@@ -879,6 +897,7 @@ class SET_N_HL(Insn):
     def exec(self, cpu: CPU) -> None:
         hl = cpu.get_reg16(R16.HL)
         cpu.set_mem8(hl, cpu.get_mem8(hl) | (1 << self.n))
+        cpu.cycles += 16
 
     def pretty(self) -> str:
         return f"SET {self.n}, (HL)"
@@ -891,6 +910,7 @@ class RES_N_R(Insn):
 
     def exec(self, cpu: CPU) -> None:
         cpu.set_reg8(self.r, cpu.get_reg8(self.r) & ~(1 << self.n))
+        cpu.cycles += 8
 
     def pretty(self) -> str:
         return f"RES {self.n}, (HL)"
@@ -903,6 +923,7 @@ class RES_N_HL(Insn):
     def exec(self, cpu: CPU) -> None:
         hl = cpu.get_reg16(R16.HL)
         cpu.set_mem8(hl, cpu.get_mem8(hl) & ~(1 << self.n))
+        cpu.cycles += 16
 
     def pretty(self) -> str:
         return f"RES {self.n}, (HL)"
@@ -912,6 +933,7 @@ class RES_N_HL(Insn):
 class CCF(Insn):
     def exec(self, cpu: CPU) -> None:
         cpu.carry = cpu.carry ^ 1
+        cpu.cycles += 4
 
     def pretty(self) -> str:
         return "CCF"
@@ -921,6 +943,7 @@ class CCF(Insn):
 class SCF(Insn):
     def exec(self, cpu: CPU) -> None:
         cpu.carry = 1
+        cpu.cycles += 4
 
     def pretty(self) -> str:
         return "SCF"