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condensed gameboy program into a contigous sequence of bytes.
author Robert McIntyre <rlm@mit.edu>
date Thu, 30 Aug 2012 11:19:52 -0500
parents 10e26e7ceedb
children
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     1 (ns com.aurellem.gb.money



     2   (:use (com.aurellem.gb gb-driver util))



     3   (:import [com.aurellem.gb.gb_driver SaveState]))



     4 



     5 (def money-address 0xD346)



     6 



     7 (defn read-money



     8   "lol money is stored in BCD."



     9   ([^SaveState state]



    10      (Integer/parseInt 



    11       (apply str



    12              (map



    13               #(Integer/toHexString %)



    14               (subvec (vec (memory state)) money-address



    15                       (+ money-address 3)))) 10))



    16      ([] (read-money @current-state)))



    17 



    18 (defn set-money



    19   ([^SaveState state new-money]



    20      (let [str-money (str new-money)]



    21        (assert (<= 0 (count str-money) 6))



    22        (set-memory-range



    23         state



    24         money-address



    25         (map #(Integer/parseInt % 16)



    26              (map (partial apply str)



    27                   (partition



    28                    2



    29                    (concat (repeat (- 6 (count str-money)) "0")



    30                            (vec str-money))))))))



    31   ([new-money] (set-money @current-state new-money)))