   *(optable + 0x3E) = op_3E;
   *(optable + 0x3F) = op_3F;
 
+  *(optable + 0x40) = op_40;
+  *(optable + 0x41) = op_41;
+  *(optable + 0x42) = op_42;
+  *(optable + 0x43) = op_43;
+  *(optable + 0x44) = op_44;
+  *(optable + 0x45) = op_45;
+  *(optable + 0x46) = op_46;
+  *(optable + 0x47) = op_47;
+  *(optable + 0x48) = op_48;
+  *(optable + 0x49) = op_49;
+  *(optable + 0x4A) = op_4A;
+  *(optable + 0x4B) = op_4B;
+  *(optable + 0x4C) = op_4C;
+  *(optable + 0x4D) = op_4D;
+  *(optable + 0x4E) = op_4E;
+  *(optable + 0x4F) = op_4F;
+
+  *(optable + 0x50) = op_50;
+  *(optable + 0x51) = op_51;
+  *(optable + 0x52) = op_52;
+  *(optable + 0x53) = op_53;
+  *(optable + 0x54) = op_54;
+  *(optable + 0x55) = op_55;
+  *(optable + 0x56) = op_56;
+  *(optable + 0x57) = op_57;
+  *(optable + 0x58) = op_58;
+  *(optable + 0x59) = op_59;
+  *(optable + 0x5A) = op_5A;
+  *(optable + 0x5B) = op_5B;
+  *(optable + 0x5C) = op_5C;
+  *(optable + 0x5D) = op_5D;
+  *(optable + 0x5E) = op_5E;
+  *(optable + 0x5F) = op_5F;
+
+  *(optable + 0x60) = op_60;
+  *(optable + 0x61) = op_61;
+  *(optable + 0x62) = op_62;
+  *(optable + 0x63) = op_63;
+  *(optable + 0x64) = op_64;
+  *(optable + 0x65) = op_65;
+  *(optable + 0x66) = op_66;
+  *(optable + 0x67) = op_67;
+  *(optable + 0x68) = op_68;
+  *(optable + 0x69) = op_69;
+  *(optable + 0x6A) = op_6A;
+  *(optable + 0x6B) = op_6B;
+  *(optable + 0x6C) = op_6C;
+  *(optable + 0x6D) = op_6D;
+  *(optable + 0x6E) = op_6E;
+  *(optable + 0x6F) = op_6F;
+
   *(optable + 0x80) = op_80;
   *(optable + 0x81) = op_81;
   *(optable + 0x82) = op_82;

  init_cycletable();

  // open_rom("./missile-command.gb");
  open_rom("./tetris.gb");
  // open_rom("./boxxle.gb");
  // open_rom("./super-mario-land.gb");

  while true { execute(); }


  *(cycletable + 0x3E) = 8;
  *(cycletable + 0x3F) = 4;

  *(cycletable + 0x40) = 4;
  *(cycletable + 0x41) = 4;
  *(cycletable + 0x42) = 4;
  *(cycletable + 0x43) = 4;
  *(cycletable + 0x44) = 4;
  *(cycletable + 0x45) = 4;
  *(cycletable + 0x46) = 8;
  *(cycletable + 0x47) = 4;
  *(cycletable + 0x48) = 4;
  *(cycletable + 0x49) = 4;
  *(cycletable + 0x4A) = 4;
  *(cycletable + 0x4B) = 4;
  *(cycletable + 0x4C) = 4;
  *(cycletable + 0x4D) = 4;
  *(cycletable + 0x4E) = 8;
  *(cycletable + 0x4F) = 4;

  *(cycletable + 0x50) = 4;
  *(cycletable + 0x51) = 4;
  *(cycletable + 0x52) = 4;
  *(cycletable + 0x53) = 4;
  *(cycletable + 0x54) = 4;
  *(cycletable + 0x55) = 4;
  *(cycletable + 0x56) = 8;
  *(cycletable + 0x57) = 4;
  *(cycletable + 0x58) = 4;
  *(cycletable + 0x59) = 4;
  *(cycletable + 0x5A) = 4;
  *(cycletable + 0x5B) = 4;
  *(cycletable + 0x5C) = 4;
  *(cycletable + 0x5D) = 4;
  *(cycletable + 0x5E) = 8;
  *(cycletable + 0x5F) = 4;

  *(cycletable + 0x60) = 4;
  *(cycletable + 0x61) = 4;
  *(cycletable + 0x62) = 4;
  *(cycletable + 0x63) = 4;
  *(cycletable + 0x64) = 4;
  *(cycletable + 0x65) = 4;
  *(cycletable + 0x66) = 8;
  *(cycletable + 0x67) = 4;
  *(cycletable + 0x68) = 4;
  *(cycletable + 0x69) = 4;
  *(cycletable + 0x6A) = 4;
  *(cycletable + 0x6B) = 4;
  *(cycletable + 0x6C) = 4;
  *(cycletable + 0x6D) = 4;
  *(cycletable + 0x6E) = 8;
  *(cycletable + 0x6F) = 4;

  *(cycletable + 0x80) = 4;
  *(cycletable + 0x81) = 4;
  *(cycletable + 0x82) = 4;
