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view clojure/com/aurellem/gb/text_speed.clj @ 485:cd6a96a07d2e

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added reference c program for converting vga rgb to vb rgb.
author Robert McIntyre <rlm@mit.edu>
date Sun, 06 May 2012 20:54:09 -0500
parents 0587f266a735
children
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     1 (ns com.aurellem.gb.text-speed



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



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



     4 



     5 (def text-speed-address 0xD354)



     6 



     7 (def text-speed->code



     8   {:slow 69



     9    :mid 67



    10    :fast 65



    11    :ultra 64



    12    })



    13 



    14 (def code->text-speed



    15   (zipmap (vals text-speed->code)



    16           (keys text-speed->code)))



    17   



    18 (defn read-text-speed



    19   ([^SaveState state]



    20      (code->text-speed (aget (memory state)



    21                              text-speed-address)))



    22   ([] (read-text-speed @current-state)))



    23 



    24 (defn set-text-speed



    25   ([^SaveState state new-speed]



    26      (set-memory 



    27       state 



    28       text-speed-address



    29       (text-speed->code new-speed new-speed)))



    30   ([new-speed] (set-text-speed @current-state new-speed)))