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annotate clojure/com/aurellem/gb/text_speed.clj @ 438:067ea3f0d951

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can now play midi files with two tracks.
author Robert McIntyre <rlm@mit.edu>
date Wed, 25 Apr 2012 13:46:31 -0500
parents 0587f266a735
children
rev   line source
rlm@225 1 (ns com.aurellem.gb.text-speed
rlm@225 2 (:use (com.aurellem.gb gb-driver util characters))
rlm@225 3 (:import [com.aurellem.gb.gb_driver SaveState]))
rlm@225 4
rlm@225 5 (def text-speed-address 0xD354)
rlm@225 6
rlm@225 7 (def text-speed->code
rlm@225 8 {:slow 69
rlm@225 9 :mid 67
rlm@225 10 :fast 65
rlm@225 11 :ultra 64
rlm@225 12 })
rlm@225 13
rlm@225 14 (def code->text-speed
rlm@225 15 (zipmap (vals text-speed->code)
rlm@225 16 (keys text-speed->code)))
rlm@225 17
rlm@225 18 (defn read-text-speed
rlm@225 19 ([^SaveState state]
rlm@225 20 (code->text-speed (aget (memory state)
rlm@225 21 text-speed-address)))
rlm@225 22 ([] (read-text-speed @current-state)))
rlm@225 23
rlm@225 24 (defn set-text-speed
rlm@225 25 ([^SaveState state new-speed]
rlm@225 26 (set-memory
rlm@225 27 state
rlm@225 28 text-speed-address
rlm@225 29 (text-speed->code new-speed new-speed)))
rlm@225 30 ([new-speed] (set-text-speed @current-state new-speed)))