tests: complete disassembler tests

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>

include/cpu/cpu.hh

@@ -35,7 +35,7 @@ class Cpu {
     bool is_flushed;
 
     void chg_mode(const Mode to);
-    void exec_arm(const arm::ArmInstruction instruction);
+    void exec_arm(const arm::Instruction instruction);
 
     struct {
         std::array<uint32_t, GPR_COUNT - GPR_FIQ_FIRST - 1> fiq;

include/cpu/instruction.hh

@@ -64,7 +64,6 @@ struct HalfwordTransfer {
     uint8_t rn;
     bool load;
     bool write;
-    bool byte;
     bool imm;
     bool up;
     bool pre;
@@ -152,11 +151,11 @@ using InstructionData = std::variant<BranchAndExchange,
                                      Undefined,
                                      SoftwareInterrupt>;
 
-struct ArmInstruction {
+struct Instruction {
     Condition condition;
     InstructionData data;
 
-    ArmInstruction(uint32_t insn);
+    Instruction(uint32_t insn);
     std::string disassemble();
 };
 }