preparations.lua

-- =============================================================
--  preparations.lua  —  prepara os .asm pra montar com ca65
-- =============================================================
--  Cria copias "copy_*.asm" dos bancos, removendo o prefixo do
--  BZK (aquele "C - - - - - 0x...... ..:....: .. .. .." na
--  esquerda) que o ca65 nao entende. O ca65 monta as copias.
--
--  (Padrao usado pelos disassemblies profissionais do
--   cyneprepou4uk/NES-Games-Disassembly.)
-- =============================================================

local files_list = {
    "bank_00.asm","bank_01.asm","bank_02.asm","bank_03.asm",
    "bank_04.asm","bank_05.asm","bank_06.asm","bank_07.asm",
    "bank_08.asm","bank_09.asm","bank_0A.asm","bank_0B.asm",
    "bank_0C.asm","bank_0D.asm","bank_0E.asm","bank_FF.asm",
    "bank_ram.inc","bank_val.inc","header.asm",
}

local game_file_name = "_tmnt2.nes"

-- regex que remove o prefixo BZK. Ex de linha removida:
--   C - - - - - 0x01D803 07:D7F3: AD F0 05
local bzk_regex = ".%s.%s.%s.%s.%s.%s0x......%s..:....:%s..%s..%s..."

local replace_with_latin = false  -- mantem so latin

-- --- processa cada arquivo ---
for _, fname in ipairs(files_list) do
    local inp = io.open(fname, "r")
    if inp then
        local outp = io.open("copy_"..fname, "w")
        for line in inp:lines() do
            -- remove o prefixo BZK
            line = string.gsub(line, bzk_regex, "")
            outp:write(line, "\n")
        end
        inp:close()
        outp:close()
        print("preparado: copy_"..fname)
    end
end

-- --- cria o arquivo .nl pro FCEUX (labels de RAM) ---
local ram_in = io.open("copy_bank_ram.inc", "r")
if ram_in then
    local nl = io.open(string.gsub(game_file_name, "%.nes", ".nl"), "w")
    for line in ram_in:lines() do
        -- extrai "NOME = $ADDR"
        local name, addr = string.match(line, "%s*(%S+)%s*=%s*$([%x]+)")
        if name and addr then
            nl:write(string.format("$%04X#%s#\n", tonumber(addr,16), name))
        end
    end
    ram_in:close()
    nl:close()
    print("criado: arquivo .nl para FCEUX")
end

print("\npreparations.lua OK")