/* instruction table */
struct t_opcode base_inst[57] = {
  {NULL, "ADC", class4, IMM|ZP|ZP_X|ZP_IND|ZP_IND_X|ZP_IND_Y|ABS|ABS_X|ABS_Y, 0x61, 0},
  {NULL, "AND", class4, IMM|ZP|ZP_X|ZP_IND|ZP_IND_X|ZP_IND_Y|ABS|ABS_X|ABS_Y, 0x21, 0},
  {NULL, "ASL", class4, ACC|ZP|ZP_X|ABS|ABS_X, 0x02, 0},
  {NULL, "BCC", class2, 0, 0x90, 0},
  {NULL, "BCS", class2, 0, 0xB0, 0},
  {NULL, "BEQ", class2, 0, 0xF0, 0},
  {NULL, "BIT", class4, IMM|ZP|ZP_X|ABS|ABS_X, 0x00, 2},
  {NULL, "BMI", class2, 0, 0x30, 0},
  {NULL, "BNE", class2, 0, 0xD0, 0},
  {NULL, "BPL", class2, 0, 0x10, 0},
  {NULL, "BRK", class1, 0, 0x00, 0},
  {NULL, "BVC", class2, 0, 0x50, 0},
  {NULL, "BVS", class2, 0, 0x70, 0},
  {NULL, "CLC", class1, 0, 0x18, 0},
  {NULL, "CLD", class1, 0, 0xD8, 0},
  {NULL, "CLI", class1, 0, 0x58, 0},
  {NULL, "CLV", class1, 0, 0xB8, 0},
  {NULL, "CMP", class4, IMM|ZP|ZP_X|ZP_IND|ZP_IND_X|ZP_IND_Y|ABS|ABS_X|ABS_Y, 0xC1, 0},
  {NULL, "CPX", class4, IMM|ZP|ABS, 0xE0, 1},
  {NULL, "CPY", class4, IMM|ZP|ABS, 0xC0, 1},
  {NULL, "DEC", class4, ACC|ZP|ZP_X|ABS|ABS_X, 0x00, 3},
  {NULL, "DEX", class1, 0, 0xCA, 0},
  {NULL, "DEY", class1, 0, 0x88, 0},
  {NULL, "EOR", class4, IMM|ZP|ZP_X|ZP_IND|ZP_IND_X|ZP_IND_Y|ABS|ABS_X|ABS_Y, 0x41, 0},
  {NULL, "INC", class4, ACC|ZP|ZP_X|ABS|ABS_X, 0x00, 4},
  {NULL, "INX", class1, 0, 0xE8, 0},
  {NULL, "INY", class1, 0, 0xC8, 0},
  {NULL, "JMP", class4, ABS|ABS_IND|ABS_IND_X, 0x40, 0},
  {NULL, "JSR", class4, ABS, 0x14, 0},
  {NULL, "LDA", class4, IMM|ZP|ZP_X|ZP_IND|ZP_IND_X|ZP_IND_Y|ABS|ABS_X|ABS_Y, 0xA1, 0},
  {NULL, "LDX", class4, IMM|ZP|ZP_Y|ABS|ABS_Y, 0xA2, 1},
  {NULL, "LDY", class4, IMM|ZP|ZP_X|ABS|ABS_X, 0xA0, 1},
  {NULL, "LSR", class4, ACC|ZP|ZP_X|ABS|ABS_X, 0x42, 0},
  {NULL, "NOP", class1, 0, 0xEA, 0},
  {NULL, "ORA", class4, IMM|ZP|ZP_X|ZP_IND|ZP_IND_X|ZP_IND_Y|ABS|ABS_X|ABS_Y, 0x01, 0},
  {NULL, "PHA", class1, 0, 0x48, 0},
  {NULL, "PHP", class1, 0, 0x08, 0},
  {NULL, "PLA", class1, 0, 0x68, 0},
  {NULL, "PLP", class1, 0, 0x28, 0},
  {NULL, "ROL", class4, ACC|ZP|ZP_X|ABS|ABS_X, 0x22, 0},
  {NULL, "ROR", class4, ACC|ZP|ZP_X|ABS|ABS_X, 0x62, 0},
  {NULL, "RTI", class1, 0, 0x40, 0},
  {NULL, "RTS", class1, 0, 0x60, 0},
  {NULL, "SBC", class4, IMM|ZP|ZP_X|ZP_IND|ZP_IND_X|ZP_IND_Y|ABS|ABS_X|ABS_Y, 0xE1, 0},
  {NULL, "SEC", class1, 0, 0x38, 0},
  {NULL, "SED", class1, 0, 0xF8, 0},
  {NULL, "SEI", class1, 0, 0x78, 0},
  {NULL, "STA", class4, ZP|ZP_X|ZP_IND|ZP_IND_X|ZP_IND_Y|ABS|ABS_X|ABS_Y, 0x81, 0},
  {NULL, "STX", class4, ZP|ZP_Y|ABS, 0x82, 0},
  {NULL, "STY", class4, ZP|ZP_X|ABS, 0x80, 0},
  {NULL, "TAX", class1, 0, 0xAA, 0},
  {NULL, "TAY", class1, 0, 0xA8, 0},
  {NULL, "TSX", class1, 0, 0xBA, 0},
  {NULL, "TXA", class1, 0, 0x8A, 0},
  {NULL, "TXS", class1, 0, 0x9A, 0},
  {NULL, "TYA", class1, 0, 0x98, 0},
  {NULL, NULL, NULL, 0, 0, 0}
};

/* pseudo instruction table */
struct t_opcode base_pseudo[79] = {
  {NULL,  "=",       do_equ,     PSEUDO, P_EQU,     0},

  {NULL,  "BANK",    do_bank,    PSEUDO, P_BANK,    0},
  {NULL,  "BSS",     do_section, PSEUDO, P_BSS,     S_BSS},
  {NULL,  "BYTE",    do_db,      PSEUDO, P_DB,      0},
  {NULL,  "CALL",    do_call,    PSEUDO, P_CALL,    0},
  {NULL,  "CODE",    do_section, PSEUDO, P_CODE,    S_CODE},
  {NULL,  "DATA",    do_section, PSEUDO, P_DATA,    S_DATA},
  {NULL,  "DB",      do_db,      PSEUDO, P_DB,      0},
  {NULL,  "DW",      do_dw,      PSEUDO, P_DW,      0},
  {NULL,  "DS",      do_ds,      PSEUDO, P_DS,      0},
  {NULL,  "ELSE",    do_else,    PSEUDO, P_ELSE,    0},
  {NULL,  "ENDIF",   do_endif,   PSEUDO, P_ENDIF,   0},
  {NULL,  "ENDM",    do_endm,    PSEUDO, P_ENDM,    0},
  {NULL,  "ENDP",    do_endp,    PSEUDO, P_ENDP,    P_PROC},
  {NULL,  "ENDPROCGROUP", do_endp,    PSEUDO, P_ENDPG,   P_PGROUP},
  {NULL,  "EQU",     do_equ,     PSEUDO, P_EQU,     0},
  {NULL,  "SEQU",    do_sequ,    PSEUDO, P_SEQU,    0},
  {NULL,  "FAIL",    do_fail,    PSEUDO, P_FAIL,    0},
  {NULL,  "FUNC",    do_func,    PSEUDO, P_FUNC,    0},
  {NULL,  "IF",      do_if,      PSEUDO, P_IF,      0},
  {NULL,  "IFDEF",   do_ifdef,   PSEUDO, P_IFDEF,   1},
  {NULL,  "IFNDEF",  do_ifdef,   PSEUDO, P_IFNDEF,  0},
  {NULL,  "INCBIN",  do_incbin,  PSEUDO, P_INCBIN,  0},
  {NULL,  "INCLUDE", do_include, PSEUDO, P_INCLUDE, 0},
  {NULL,  "LIST",    do_list,    PSEUDO, P_LIST,    0},
  {NULL,  "MAC",     do_macro,   PSEUDO, P_MACRO,   0},
  {NULL,  "MACRO",   do_macro,   PSEUDO, P_MACRO,   0},
  {NULL,  "MLIST",   do_mlist,   PSEUDO, P_MLIST,   0},
  {NULL,  "NOLIST",  do_nolist,  PSEUDO, P_NOLIST,  0},
  {NULL,  "NOMLIST", do_nomlist, PSEUDO, P_NOMLIST, 0},
  {NULL,  "OPT",     do_opt,     PSEUDO, P_OPT,     0},
  {NULL,  "ORG",     do_org,     PSEUDO, P_ORG,     0},
  {NULL,  "PAGE",    do_page,    PSEUDO, P_PAGE,    0},
  {NULL,  "PROC",    do_proc,    PSEUDO, P_PROC,    P_PROC},
  {NULL,  "PROCGROUP", do_proc,    PSEUDO, P_PGROUP,  P_PGROUP},
  {NULL,  "RSSET",   do_rsset,   PSEUDO, P_RSSET,   0},
  {NULL,  "RS",      do_rs,      PSEUDO, P_RS,      0},
  {NULL,  "WORD",    do_dw,      PSEUDO, P_DW,      0},
  {NULL,  "ZP",      do_section, PSEUDO, P_ZP,      S_ZP},
  {NULL,  "STR",     do_str,     PSEUDO, P_STR,     0},

  {NULL, ".BANK",    do_bank,    PSEUDO, P_BANK,    0},
  {NULL, ".BSS",     do_section, PSEUDO, P_BSS,     S_BSS},
  {NULL, ".BYTE",    do_db,      PSEUDO, P_DB,      0},
  {NULL, ".CODE",    do_section, PSEUDO, P_CODE,    S_CODE},
  {NULL, ".DATA",    do_section, PSEUDO, P_DATA,    S_DATA},
  {NULL, ".DB",      do_db,      PSEUDO, P_DB,      0},
  {NULL, ".DW",      do_dw,      PSEUDO, P_DW,      0},
  {NULL, ".DS",      do_ds,      PSEUDO, P_DS,      0},
  {NULL, ".ELSE",    do_else,    PSEUDO, P_ELSE,    0},
  {NULL, ".ENDIF",   do_endif,   PSEUDO, P_ENDIF,   0},
  {NULL, ".ENDM",    do_endm,    PSEUDO, P_ENDM,    0},
  {NULL, ".ENDP",    do_endp,    PSEUDO, P_ENDP,    P_PROC},
  {NULL, ".ENDPROCGROUP", do_endp,    PSEUDO, P_ENDPG,   P_PGROUP},
  {NULL, ".EQU",     do_equ,     PSEUDO, P_EQU,     0},
  {NULL, ".SEQU",    do_sequ,    PSEUDO, P_SEQU,    0},
  {NULL, ".FAIL",    do_fail,    PSEUDO, P_FAIL,    0},
  {NULL, ".FUNC",    do_func,    PSEUDO, P_FUNC,    0},
  {NULL, ".IF",      do_if,      PSEUDO, P_IF,      0},
  {NULL, ".IFDEF",   do_ifdef,   PSEUDO, P_IFDEF,   1},
  {NULL, ".IFNDEF",  do_ifdef,   PSEUDO, P_IFNDEF,  0},
  {NULL, ".INCBIN",  do_incbin,  PSEUDO, P_INCBIN,  0},
  {NULL, ".INCLUDE", do_include, PSEUDO, P_INCLUDE, 0},
  {NULL, ".LIST",    do_list,    PSEUDO, P_LIST,    0},
  {NULL, ".MAC",     do_macro,   PSEUDO, P_MACRO,   0},
  {NULL, ".MACRO",   do_macro,   PSEUDO, P_MACRO,   0},
  {NULL, ".MLIST",   do_mlist,   PSEUDO, P_MLIST,   0},
  {NULL, ".NOLIST",  do_nolist,  PSEUDO, P_NOLIST,  0},
  {NULL, ".NOMLIST", do_nomlist, PSEUDO, P_NOMLIST, 0},
  {NULL, ".OPT",     do_opt,     PSEUDO, P_OPT,     0},
  {NULL, ".ORG",     do_org,     PSEUDO, P_ORG,     0},
  {NULL, ".PAGE",    do_page,    PSEUDO, P_PAGE,    0},
  {NULL, ".PROC",    do_proc,    PSEUDO, P_PROC,    P_PROC},
  {NULL, ".PROCGROUP", do_proc,    PSEUDO, P_PGROUP,  P_PGROUP},
  {NULL, ".RSSET",   do_rsset,   PSEUDO, P_RSSET,   0},
  {NULL, ".RS",      do_rs,      PSEUDO, P_RS,      0},
  {NULL, ".WORD",    do_dw,      PSEUDO, P_DW,      0},
  {NULL, ".ZP",      do_section, PSEUDO, P_ZP,      S_ZP},
  {NULL, ".STR",     do_str,     PSEUDO, P_STR,     0},
  {NULL, NULL, NULL, 0, 0, 0}
};