-- This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild
--
-- This file is compatible with Lua 5.3

local class = require("class")
require("kaitaistruct")
local enum = require("enum")

-- 
-- This spec can be used to disassemble raw stream of 6502 CPU machine
-- code into individual operations. Each operation includes an opcode
-- and, optionally, an argument. Register arguments are part of the
-- `opcode` enum.
Code6502 = class.class(KaitaiStruct)

Code6502.Opcode = enum.Enum {
  brk_impl = 0,
  ora_x_ind = 1,
  ora_zpg = 5,
  asl_zpg = 6,
  php_impl = 8,
  ora_imm = 9,
  asl_a = 10,
  ora_abs = 13,
  asl_abs = 14,
  bpl_rel = 16,
  ora_ind_y = 17,
  ora_zpg_x = 21,
  asl_zpg_x = 22,
  clc_impl = 24,
  ora_abs_y = 25,
  ora_abs_x = 29,
  asl_abs_x = 30,
  jsr_abs = 32,
  and_x_ind = 33,
  bit_zpg = 36,
  and_zpg = 37,
  rol_zpg = 38,
  plp_impl = 40,
  and_imm = 41,
  rol_a = 42,
  bit_abs = 44,
  and_abs = 45,
  rol_abs = 46,
  bmi_rel = 48,
  and_ind_y = 49,
  and_zpg_x = 53,
  rol_zpg_x = 54,
  sec_impl = 56,
  and_abs_y = 57,
  and_abs_x = 61,
  rol_abs_x = 62,
  rti_impl = 64,
  eor_x_ind = 65,
  eor_zpg = 69,
  lsr_zpg = 70,
  pha_impl = 72,
  eor_imm = 73,
  lsr_a = 74,
  jmp_abs = 76,
  eor_abs = 77,
  lsr_abs = 78,
  bvc_rel = 80,
  eor_ind_y = 81,
  eor_zpg_x = 85,
  lsr_zpg_x = 86,
  cli_impl = 88,
  eor_abs_y = 89,
  eor_abs_x = 93,
  lsr_abs_x = 94,
  rts_impl = 96,
  adc_x_ind = 97,
  adc_zpg = 101,
  ror_zpg = 102,
  pla_impl = 104,
  adc_imm = 105,
  ror_a = 106,
  jmp_ind = 108,
  adc_abs = 109,
  ror_abs = 110,
  bvs_rel = 112,
  adc_ind_y = 113,
  adc_zpg_x = 117,
  ror_zpg_x = 118,
  sei_impl = 120,
  adc_abs_y = 121,
  adc_abs_x = 125,
  ror_abs_x = 126,
  sta_x_ind = 129,
  sty_zpg = 132,
  sta_zpg = 133,
  stx_zpg = 134,
  dey_impl = 136,
  txa_impl = 138,
  sty_abs = 140,
  sta_abs = 141,
  stx_abs = 142,
  bcc_rel = 144,
  sta_ind_y = 145,
  sty_zpg_x = 148,
  sta_zpg_x = 149,
  stx_zpg_y = 150,
  tya_impl = 152,
  sta_abs_y = 153,
  txs_impl = 154,
  sta_abs_x = 157,
  ldy_imm = 160,
  lda_x_ind = 161,
  ldx_imm = 162,
  ldy_zpg = 164,
  lda_zpg = 165,
  ldx_zpg = 166,
  tay_impl = 168,
  lda_imm = 169,
  tax_impl = 170,
  ldy_abs = 172,
  lda_abs = 173,
  ldx_abs = 174,
  bcs_rel = 176,
  lda_ind_y = 177,
  ldy_zpg_x = 180,
  lda_zpg_x = 181,
  ldx_zpg_y = 182,
  clv_impl = 184,
  lda_abs_y = 185,
  tsx_impl = 186,
  ldy_abs_x = 188,
  lda_abs_x = 189,
  ldx_abs_y = 190,
  cpy_imm = 192,
  cmp_x_ind = 193,
  cpy_zpg = 196,
  cmp_zpg = 197,
  dec_zpg = 198,
  iny_impl = 200,
  cmp_imm = 201,
  dex_impl = 202,
  cpy_abs = 204,
  cmp_abs = 205,
  dec_abs = 206,
  bne_rel = 208,
  cmp_ind_y = 209,
  cmp_zpg_x = 213,
  dec_zpg_x = 214,
  cld_impl = 216,
  cmp_abs_y = 217,
  cmp_abs_x = 221,
  dec_abs_x = 222,
  cpx_imm = 224,
  sbc_x_ind = 225,
  cpx_zpg = 228,
  sbc_zpg = 229,
  inc_zpg = 230,
  inx_impl = 232,
  sbc_imm = 233,
  nop_impl = 234,
  cpx_abs = 236,
  sbc_abs = 237,
  inc_abs = 238,
  beq_rel = 240,
  sbc_ind_y = 241,
  sbc_zpg_x = 245,
  inc_zpg_x = 246,
  sed_impl = 248,
  sbc_abs_y = 249,
  sbc_abs_x = 253,
  inc_abs_x = 254,
}

function Code6502:_init(io, parent, root)
  KaitaiStruct._init(self, io)
  self._parent = parent
  self._root = root or self
  self:_read()
end

function Code6502:_read()
  self.operations = {}
  local i = 0
  while not self._io:is_eof() do
    self.operations[i + 1] = Code6502.Operation(self._io, self, self._root)
    i = i + 1
  end
end


Code6502.Operation = class.class(KaitaiStruct)

function Code6502.Operation:_init(io, parent, root)
  KaitaiStruct._init(self, io)
  self._parent = parent
  self._root = root
  self:_read()
end

function Code6502.Operation:_read()
  self.code = Code6502.Opcode(self._io:read_u1())
  local _on = self.code
  if _on == Code6502.Opcode.adc_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.adc_abs_x then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.adc_abs_y then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.adc_imm then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.adc_ind_y then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.adc_x_ind then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.adc_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.adc_zpg_x then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.and_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.and_abs_x then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.and_abs_y then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.and_imm then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.and_ind_y then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.and_x_ind then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.and_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.and_zpg_x then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.asl_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.asl_abs_x then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.asl_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.asl_zpg_x then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.bcc_rel then
    self.args = self._io:read_s1()
  elseif _on == Code6502.Opcode.bcs_rel then
    self.args = self._io:read_s1()
  elseif _on == Code6502.Opcode.beq_rel then
    self.args = self._io:read_s1()
  elseif _on == Code6502.Opcode.bit_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.bit_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.bmi_rel then
    self.args = self._io:read_s1()
  elseif _on == Code6502.Opcode.bne_rel then
    self.args = self._io:read_s1()
  elseif _on == Code6502.Opcode.bpl_rel then
    self.args = self._io:read_s1()
  elseif _on == Code6502.Opcode.bvc_rel then
    self.args = self._io:read_s1()
  elseif _on == Code6502.Opcode.bvs_rel then
    self.args = self._io:read_s1()
  elseif _on == Code6502.Opcode.cmp_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.cmp_abs_x then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.cmp_abs_y then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.cmp_imm then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.cmp_ind_y then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.cmp_x_ind then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.cmp_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.cmp_zpg_x then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.cpx_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.cpx_imm then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.cpx_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.cpy_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.cpy_imm then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.cpy_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.dec_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.dec_abs_x then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.dec_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.dec_zpg_x then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.eor_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.eor_abs_x then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.eor_abs_y then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.eor_imm then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.eor_ind_y then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.eor_x_ind then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.eor_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.eor_zpg_x then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.inc_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.inc_abs_x then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.inc_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.inc_zpg_x then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.jmp_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.jmp_ind then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.jsr_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.lda_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.lda_abs_x then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.lda_abs_y then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.lda_imm then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.lda_ind_y then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.lda_x_ind then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.lda_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.lda_zpg_x then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.ldx_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.ldx_abs_y then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.ldx_imm then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.ldx_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.ldx_zpg_y then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.ldy_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.ldy_abs_x then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.ldy_imm then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.ldy_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.ldy_zpg_x then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.lsr_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.lsr_abs_x then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.lsr_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.lsr_zpg_x then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.ora_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.ora_abs_x then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.ora_abs_y then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.ora_imm then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.ora_ind_y then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.ora_x_ind then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.ora_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.ora_zpg_x then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.rol_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.rol_abs_x then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.rol_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.rol_zpg_x then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.ror_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.ror_abs_x then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.ror_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.ror_zpg_x then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.sbc_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.sbc_abs_x then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.sbc_abs_y then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.sbc_imm then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.sbc_ind_y then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.sbc_x_ind then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.sbc_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.sbc_zpg_x then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.sta_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.sta_abs_x then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.sta_abs_y then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.sta_ind_y then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.sta_x_ind then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.sta_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.sta_zpg_x then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.stx_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.stx_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.stx_zpg_y then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.sty_abs then
    self.args = self._io:read_u2le()
  elseif _on == Code6502.Opcode.sty_zpg then
    self.args = self._io:read_u1()
  elseif _on == Code6502.Opcode.sty_zpg_x then
    self.args = self._io:read_u1()
  end
end