Mercurial > vba-clojure

     1 (ns com.aurellem.exp.item-bridge

     2   (:use (com.aurellem.gb util constants gb-driver vbm items assembly))

     3   (:use (com.aurellem.run title save-corruption))

     4   (:use (com.aurellem.exp pokemon))

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

     6 

     7 (defn corrupt-item-state []

     8   (second (destroy-item-end-of-list-marker)))

     9 

    10 (defn corrupt-item-state []

    11   (read-state "corrupt-items"))

    12 

    13 (defn view-memory-range [state start end]

    14   (dorun

    15    (map (fn [loc val]

    16           (println (format "%04X : %02X" loc val)))

    17         (range start end) (subvec (vec (memory state)) start end)))

    18   state)

    19 

    20 (defn almost-broken

    21   "if one more memory location is turned into 0x03, the game crashes."

    22   [n]

    23   (view-memory-range

    24    (set-inv-mem (mid-game)

    25                 (concat [0xFF] (repeat 64 0x03)

    26                         (subvec (vec (memory (mid-game)))

    27                                 (+ item-list-start 65)

    28                                 (+ item-list-start 65 n))

    29                         (repeat (- 255 65 n) 0x03)))

    30    item-list-start (+ item-list-start 255)))

    31 

    32 (defn actually-broken

    33   "if this memory location is turned into 0x03, the game crashes."

    34   []

    35   (set-memory (mid-game) 0xD35D 0x03))

    36 

    37 

    38 ;; (almost-broken 20) more or less works

    39 

    40 (defn capture-program-counter

    41   "records the program counter for each tick"

    42   [^SaveState state ticks]

    43   (let [i (atom 0)]

    44     (reduce (fn [[program-counters state] _]

    45               (println (swap! i inc))

    46                [(conj program-counters (PC state))

    47                 (tick state)])

    48               [[] state]

    49               (range ticks))))

    50 

    51 

    52 (defn capture-program-counter

    53   [^SaveState state ticks]

    54   (set-state! state)

    55   (loop [i 0

    56          pcs []]

    57     (if (= i ticks)

    58       pcs

    59       (do 

    60         (com.aurellem.gb.Gb/tick)

    61         (recur (inc i)

    62                (conj pcs (first (registers))))))))

    63 

    64 (defn loop-program []

    65   [0xF3     ;0xD31D  ;; disable-interrupts

    66 

    67    0xC3     ;; loop forever

    68    0x1D

    69    0xD3])

    70 

    71 (def map-function-address-start 0xD36D)

    72 

    73 (defn test-loop []

    74   (capture-program-counter

    75    (-> (mid-game) 

    76        (set-memory-range 0xD31D (loop-program))

    77        (set-memory-range

    78         map-function-address-start

    79         [0xD3 0x1D])

    80        (IE! 0))

    81    1000))

    82 

    83 

    84 (defn-memo corrupt-moves []

    85   (concat

    86    (first

    87     (->>

    88      [[] (mid-game)]

    89      (advance [:b] [:b :start])

    90      (advance [] [:d])

    91      (play-moves [[] [] [] [:d] [] [] [] [:d] [] [] [:a]])

    92      scroll-text

    93      (play-moves

    94       ;; this section is copied from speedrun-2942

    95       ;; and corrupts the save so that the end-of-list marker

    96       ;; for the pokemon roster is destroyed, but the save is still

    97       ;; playable.

    98       [[] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] [] []

    99        [] [] [] [] [] [] [] [] [] [] [:select] [:restart]])

   100      (play-moves

   101       (first (title)))

   102      (advance [] [:start])

   103      (advance [] [:a])

   104      (advance [:a] [:a :start])))

   105    [[]]))

   106   

   107 

   108 

   109 (defn corrupt

   110   "enter the codes to destroy the

   111    pokemon list using save corruption"

   112   ([^SaveState state]

   113   (run-moves

   114    state

   115    (corrupt-moves)))

   116   ([] (corrupt @current-state)))

   117   

   118    

   119 

   120              

   121 

   122 

   123
author	Robert McIntyre <rlm@mit.edu>
date	Wed, 21 Mar 2012 03:24:18 -0500
parents	d7e2cfecef1d
children	8665160f0f3d