debug.lua

--This script prints out the name of entry points of Trophy's
--state machine in the console.

require "labels"

MMC3_BANK_SELECT = 0x8000
MMC3_BANK_DATA   = 0x8001

MMC3_SELECT_2K_CHR_BANK0     = 0
MMC3_SELECT_2K_CHR_BANK1     = 1
MMC3_SELECT_1K_CHR_BANK0     = 2
MMC3_SELECT_1K_CHR_BANK1     = 3
MMC3_SELECT_1K_CHR_BANK2     = 4
MMC3_SELECT_1K_CHR_BANK3     = 5
MMC3_SELECT_8K_PRG_BANK_8000 = 6
MMC3_SELECT_8K_PRG_BANK_A000 = 7

old_message = ""
mmc3_bank_select_value = 0
mmc3_bank_data_value = 0

function log_message(message)

    if message ~= old_message then
        print(message)
        old_message = message
    end

end

function print_if_bank(bank, message)

    if mmc3_bank_select_value == MMC3_SELECT_8K_PRG_BANK_A000 then
        if mmc3_bank_data_value == bank then
            print(message)
        end
    end

end

memory.registerwrite(MMC3_BANK_SELECT,
    function()
        mmc3_bank_select_value = memory.getregister("a")
    end
)

memory.registerwrite(MMC3_BANK_DATA,
    function()
        mmc3_bank_data_value = memory.getregister("a")
    end
)

while (true) do

    FCEU.frameadvance()
    print("enemies: "..memory.readbyteunsigned(enemy_entity_indices_count))

end