rlm@130: (ns com.aurellem.item-bridge
rlm@131:   (:use (com.aurellem gb-driver vbm title save-corruption items assembly))
rlm@130:   (:import [com.aurellem.gb_driver SaveState]))
rlm@130: 
rlm@130: 
rlm@131: (defn corrupt-item-state []
rlm@131:   (second (destroy-item-end-of-list-marker)))
rlm@131: 
rlm@131: (defn corrupt-item-state []
rlm@131:   (read-state "corrupt-items"))
rlm@131: 
rlm@131: 
rlm@133: (defn view-memory-range [state start end]
rlm@133:   (dorun
rlm@133:    (map (fn [loc val]
rlm@133:           (println (format "%04X : %02X" loc val)))
rlm@133:         
rlm@133:         (range start end) (subvec (vec (memory state)) start end)))
rlm@133:   state)
rlm@131: 
rlm@133: (defn set-memory [state location value]
rlm@131:   (set-state! state)
rlm@131:   (let [mem (memory state)]
rlm@133:     (aset mem location value)
rlm@131:     (write-memory! mem)
rlm@131:     (update-state)))
rlm@131: 
rlm@133: (defn almost-broken
rlm@133:   "if one more memory location is turned into 0x03, the game crashes."
rlm@133:   [n]
rlm@133:   (view-memory-range
rlm@133:    (set-inv-mem (mid-game)
rlm@133:                 (concat [0xFF] (repeat 64 0x03)
rlm@133:                         (subvec (vec (memory (mid-game)))
rlm@133:                                 (+ item-list-start 65)
rlm@133:                                 (+ item-list-start 65 n))
rlm@133:                         (repeat (- 255 65 n) 0x03)
rlm@133:                         ))
rlm@133:                 
rlm@133:    item-list-start (+ item-list-start 255)))
rlm@131: 
rlm@133: (defn actually-broken
rlm@133:   "if one more memory location is turned into 0x03, the game crashes."
rlm@133:   []
rlm@133:   (set-memory (mid-game) 0xD35D 0x03))
rlm@131: 
rlm@131: 
rlm@133: ;; (almost-broken 20) more or less works
rlm@133: 
rlm@133: (defn capture-program-counter
rlm@133:   "records the program counter for each tick"
rlm@133:   [^SaveState state ticks]
rlm@133:   (let [i (atom 0)]
rlm@133:     (reduce (fn [[program-counters state] _]
rlm@133:               (println (swap! i inc))
rlm@133:                [(conj program-counters (PC state))
rlm@133:                 (tick state)])
rlm@133:               [[] state]
rlm@133:               (range ticks))))
rlm@133: 
rlm@133: 
rlm@133: (defn capture-program-counter
rlm@133:   [^SaveState state ticks]
rlm@133:   (set-state! state)
rlm@133:   (loop [i 0
rlm@133:          pcs []]
rlm@133:     (if (= i ticks)
rlm@133:       pcs
rlm@133:       (do 
rlm@133:         (com.aurellem.gb.Gb/tick)
rlm@133:         (recur (inc i)
rlm@133:                (conj pcs (first (registers))))))))