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annotate clojure/com/aurellem/run/music.clj @ 455:1c10fa8366a7

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synchronized pony song.
author Robert McIntyre <rlm@mit.edu>
date Thu, 03 May 2012 10:28:05 -0500
parents bf87b87a4ad7
children 9c192737034d
rev   line source
rlm@417 1 (ns com.aurellem.run.music
rlm@417 2 (:use (com.aurellem.gb saves gb-driver util constants
rlm@417 3 items vbm characters money
rlm@417 4 rlm-assembly))
rlm@417 5 (:use (com.aurellem.run util title save-corruption
rlm@417 6 bootstrap-0 bootstrap-1))
rlm@426 7 (:require clojure.string)
rlm@426 8 (:import [com.aurellem.gb.gb_driver SaveState])
rlm@426 9 (:import java.io.File))
rlm@417 10
rlm@427 11 (def third-kind
rlm@427 12 (File. "/home/r/proj/midi/third-kind.mid"))
rlm@417 13
rlm@455 14 (def pony
rlm@455 15 (File. "/home/r/proj/vba-clojure/music/pony-title.mid"))
rlm@455 16
rlm@455 17 (def sync-test
rlm@455 18 (File. "/home/r/proj/vba-clojure/music/sync-test.mid"))
rlm@455 19
rlm@454 20
rlm@427 21 (defn raw-midi-text [#^File midi-file]
rlm@427 22 (:out
rlm@427 23 (clojure.java.shell/sh
rlm@427 24 "midicsv"
rlm@427 25 (.getCanonicalPath midi-file)
rlm@427 26 "-")))
rlm@427 27
rlm@427 28 (def command-line #"^(\d+), (\d+), ([^,]+)(.*)$")
rlm@427 29
rlm@427 30 (defmulti parse-command :command)
rlm@427 31
rlm@427 32 (defn discard-args [command] (dissoc command :args))
rlm@427 33
rlm@427 34 (defmethod parse-command :Start_track
rlm@427 35 [command] (discard-args command))
rlm@427 36
rlm@427 37 (defmethod parse-command :End_track
rlm@427 38 [command] (discard-args command))
rlm@427 39
rlm@427 40 (defmethod parse-command :default
rlm@427 41 [command] command)
rlm@427 42
rlm@427 43 (defn parse-number-list
rlm@427 44 [number-list-str]
rlm@427 45 (map #(Integer/parseInt %)
rlm@427 46 (clojure.string/split number-list-str #", ")))
rlm@427 47
rlm@427 48 (defmethod parse-command :Tempo
rlm@427 49 [command]
rlm@427 50 (update-in command [:args] #(Integer/parseInt %)))
rlm@427 51
rlm@427 52 (defn parse-midi-note-list
rlm@427 53 [midi-note-list-str]
rlm@427 54 (let [[channel note velocity]
rlm@427 55 (parse-number-list midi-note-list-str)]
rlm@427 56 {:channel channel :note note :velocity velocity}))
rlm@427 57
rlm@427 58 (defmethod parse-command :Note_on_c
rlm@427 59 [command]
rlm@427 60 (update-in command [:args] parse-midi-note-list))
rlm@427 61
rlm@427 62 (defmethod parse-command :Note_off_c
rlm@427 63 [command]
rlm@427 64 (update-in command [:args] parse-midi-note-list))
rlm@427 65
rlm@427 66 (defmethod parse-command :Header
rlm@427 67 [command]
rlm@427 68 (let [args (:args command)
rlm@427 69 [format num-tracks division] (parse-number-list args)]
rlm@427 70 (assoc command :args
rlm@427 71 {:format format
rlm@427 72 :num-tracks num-tracks
rlm@427 73 :division division})))
rlm@427 74
rlm@427 75 (defmethod parse-command :Program_c
rlm@427 76 [command]
rlm@427 77 (let [args (:args command)
rlm@427 78 [channel program-num] (parse-number-list args)]
rlm@427 79 (assoc command :args
rlm@427 80 {:channel channel
rlm@427 81 :program-num program-num})))
rlm@427 82
rlm@427 83 (defn parse-midi [#^File midi-file]
rlm@427 84 (map
rlm@427 85 (comp parse-command
rlm@427 86 (fn [line]
rlm@427 87 (let [[[_ channel time command args]]
rlm@427 88 (re-seq command-line line)]
rlm@427 89 {:channel (Integer/parseInt channel)
rlm@427 90 :time (Integer/parseInt time)
rlm@427 91 :command (keyword command)
rlm@427 92 :args (apply str (drop 2 args))})))
rlm@427 93 (drop-last
rlm@427 94 (clojure.string/split-lines
rlm@427 95 (raw-midi-text midi-file)))))
rlm@427 96
rlm@417 97 (def music-base new-kernel)
rlm@417 98
rlm@417 99 (defn store [n address]
rlm@417 100 (flatten
rlm@417 101 [0xF5
rlm@417 102 0xE5
rlm@417 103
rlm@417 104 0x3E
rlm@417 105 n
rlm@417 106
rlm@417 107 0x21
rlm@417 108 (reverse (disect-bytes-2 address))
rlm@417 109
rlm@417 110 0x77
rlm@417 111
rlm@417 112 0xE1
rlm@417 113 0xF1]))
rlm@417 114
rlm@417 115 (defn infinite-loop []
rlm@417 116 [0x18 0xFE])
rlm@417 117
rlm@417 118 (def divider-register 0xFF04)
rlm@417 119
rlm@417 120 (defrecord Bit-Note [frequency volume duration duty])
rlm@417 121
rlm@417 122 (defn clear-music-registers []
rlm@417 123 (flatten
rlm@433 124 [(store (Integer/parseInt "00000000" 2) 0xFF10) ;; sweep
rlm@433 125 (store (Integer/parseInt "00000000" 2) 0xFF11) ;; pattern duty
rlm@433 126 (store (Integer/parseInt "00000000" 2) 0xFF12) ;; volume
rlm@433 127 (store (Integer/parseInt "00000000" 2) 0xFF13) ;; frequency-low
rlm@433 128 (store (Integer/parseInt "00000000" 2) 0xFF14) ;; frequency-high
rlm@417 129
rlm@417 130 (store (Integer/parseInt "00000000" 2) 0xFF16) ;; pattern duty 000000
rlm@417 131 (store (Integer/parseInt "00000000" 2) 0xFF17) ;; volume 0000
rlm@417 132 (store (Integer/parseInt "00000000" 2) 0xFF18) ;; frequency-low
rlm@417 133 (store (Integer/parseInt "00000000" 2) 0xFF19) ;; 00000 frequency-high
rlm@417 134
rlm@417 135 (store (Integer/parseInt "00000000" 2) 0xFF1A)
rlm@417 136 (store (Integer/parseInt "00000000" 2) 0xFF1B)
rlm@417 137 (store (Integer/parseInt "00000000" 2) 0xFF1C)
rlm@417 138 (store (Integer/parseInt "00000000" 2) 0xFF1D)
rlm@417 139 (store (Integer/parseInt "00000000" 2) 0xFF1E)
rlm@417 140
rlm@433 141 (store (Integer/parseInt "00000000" 2) 0xFF20) ;; length
rlm@433 142 (store (Integer/parseInt "00000000" 2) 0xFF21) ;; volume
rlm@433 143 (store (Integer/parseInt "00000000" 2) 0xFF22) ;; noise-frequency
rlm@433 144 (store (Integer/parseInt "00000000" 2) 0xFF23) ;; control
rlm@433 145 ]))
rlm@417 146
rlm@424 147
rlm@424 148 ;; mini-midi syntax
rlm@424 149
rlm@424 150 ;; codes
rlm@424 151 ;; note-code == 0x00
rlm@424 152 ;; change-duty-code = 0x01
rlm@424 153 ;; silence-code = 0x02
rlm@424 154
rlm@424 155 ;; silence format
rlm@424 156 ;; 2 bytes
rlm@424 157 ;; [silence-code (0x02)]
rlm@424 158 ;; [duration-8-bits]
rlm@424 159
rlm@424 160 ;; note data format
rlm@424 161 ;; 4 bytes
rlm@424 162 ;; [note-code (0x00)]
rlm@424 163 ;; [volume-4-bits 0 frequency-high-3-bits]
rlm@424 164 ;; [frequengy-low-8-bits]
rlm@424 165 ;; [duration-8-bits]
rlm@424 166
rlm@424 167 ;; change-duty-format
rlm@424 168 ;; 2 bytes
rlm@424 169 ;; [change-duty-code (0x01)]
rlm@424 170 ;; [new-duty]
rlm@424 171
rlm@425 172 (def note-code 0x00)
rlm@425 173 (def change-duty-code 0x01)
rlm@425 174 (def silence-code 0x02)
rlm@425 175
rlm@424 176 (defn do-message
rlm@424 177 "Read the message which starts at the current value of HL and do
rlm@424 178 what it says. Duration is left in A, and HL is advanced
rlm@424 179 appropraitely."
rlm@433 180 ([] (do-message 0x16))
rlm@433 181 ([sound-base-address]
rlm@433 182 (let [switch
rlm@433 183 [0x2A ;; load message code into A, increment HL
rlm@433 184
rlm@433 185 ;; switch on message
rlm@433 186 0xFE
rlm@433 187 note-code
rlm@433 188
rlm@433 189 0x20
rlm@433 190 :note-length]
rlm@424 191
rlm@433 192 play-note
rlm@433 193 [0x2A ;; load volume/frequency-high info
rlm@433 194 0xF5 ;; push A
rlm@433 195 0xE6
rlm@433 196 (Integer/parseInt "11110000" 2) ;; volume mask
rlm@433 197 0xE0
rlm@433 198 (inc sound-base-address) ;;0x17 ;; set volume
rlm@433 199 0xF1 ;; pop A
rlm@433 200 0xE6
rlm@433 201 (Integer/parseInt "00000111" 2) ;; frequency-high mask
rlm@433 202 0xE0
rlm@433 203 (+ 3 sound-base-address) ;;0x19 ;; set frequency-high
rlm@433 204
rlm@433 205 0x2A ;; load frequency low-bits
rlm@433 206 0xE0
rlm@433 207 (+ 2 sound-base-address) ;;0x18 ;; set frequency-low-bits
rlm@433 208 0x2A]] ;; load duration
rlm@433 209 (replace
rlm@433 210 {:note-length (count play-note)}
rlm@433 211 (concat switch play-note)))))
rlm@424 212
rlm@433 213 ;; (defn play-note
rlm@433 214 ;; "Play the note referenced by HL in the appropiate channel.
rlm@433 215 ;; Leaves desired-duration in A."
rlm@433 216
rlm@433 217 ;; [0x2A ;; load volume/frequency-high info
rlm@433 218 ;; 0xF5 ;; push A
rlm@433 219 ;; 0xE6
rlm@433 220 ;; (Integer/parseInt "11110000" 2) ;; volume mask
rlm@433 221 ;; 0xE0
rlm@433 222 ;; 0x17 ;; set volume
rlm@433 223 ;; 0xF1 ;; pop A
rlm@433 224 ;; 0xE6
rlm@433 225 ;; (Integer/parseInt "00000111" 2) ;; frequency-high mask
rlm@433 226 ;; 0xE0
rlm@433 227 ;; 0x19 ;; set frequency-high
rlm@417 228
rlm@433 229 ;; 0x2A ;; load frequency low-bits
rlm@433 230 ;; 0xE0
rlm@433 231 ;; 0x18 ;; set frequency-low-bits
rlm@417 232
rlm@433 233 ;; 0x2A ;; load duration
rlm@433 234 ;; ])
rlm@417 235
rlm@434 236 (defn music-step [sound-base-address]
rlm@432 237 ;; C == current-ticks
rlm@432 238 ;; A == desired-ticks
rlm@435 239
rlm@435 240 (flatten
rlm@435 241 [;; restore variables from stack
rlm@435 242 0xE1 ;; pop HL
rlm@435 243 0xC1 ;; pop CB
rlm@435 244 0xF1 ;; pop AF
rlm@432 245
rlm@435 246
rlm@435 247 0xF5 ;; push A
rlm@417 248 0xF0
rlm@432 249 0x05 ;; load current ticks from 0xF005
rlm@431 250 0xB8 ;;
rlm@417 251 0x30 ;; increment C only if last result caused carry
rlm@417 252 0x01
rlm@418 253 0x0C
rlm@417 254
rlm@417 255 0x47 ;; update sub-ticks (A->B)
rlm@417 256
rlm@417 257 0xF1 ;; pop AF, now A contains desired-ticks
rlm@417 258
rlm@417 259 0xB9 ;; compare with current ticks
rlm@417 260
rlm@417 261 ;; if desired-ticks = current ticks
rlm@417 262 ;; go to next note ; set current set ticks to 0.
rlm@417 263
rlm@417 264 0x20
rlm@434 265 (+ (count (do-message 0)) 2)
rlm@417 266
rlm@434 267 (do-message sound-base-address)
rlm@417 268
rlm@417 269 0x0E
rlm@435 270 0x00 ;; 0->C (current-ticks)
rlm@417 271
rlm@435 272 ;; save variables to stack
rlm@435 273 0xF5 ;; push AF
rlm@435 274 0xC5 ;; push CB
rlm@435 275 0xE5 ;; push HL
rlm@435 276
rlm@435 277
rlm@435 278 ]))
rlm@435 279
rlm@435 280 (def music-1 0x11)
rlm@434 281 (def music-2 0x16)
rlm@434 282
rlm@417 283 (defn music-kernel []
rlm@417 284 (flatten
rlm@432 285 [;; global initilization section
rlm@432 286 (clear-music-registers)
rlm@432 287
rlm@417 288 0x3E
rlm@418 289 0x01
rlm@417 290 0xE0
rlm@417 291 0x06 ;; set TMA to 0
rlm@417 292
rlm@417 293 0x3E
rlm@423 294 (Integer/parseInt "00000110" 2)
rlm@417 295 0xE0
rlm@423 296 0x07 ;; set TAC to 65536 Hz and activate timer
rlm@417 297
rlm@435 298 ;; initialize frame 1
rlm@432 299 0x21
rlm@432 300 0x00
rlm@437 301 0xA0 ;; set HL to 0xA000 == music-start 1
rlm@432 302 0x0E
rlm@432 303 0x00 ;; 0->C
rlm@432 304 0x06
rlm@432 305 0x00 ;; 0->B
rlm@435 306
rlm@433 307 0xAF ;; 0->A
rlm@432 308
rlm@435 309 0xF5 ;; push AF
rlm@435 310 0xC5 ;; push CB
rlm@435 311 0xE5 ;; push HL
rlm@432 312
rlm@435 313 ;; initialize frame 2
rlm@436 314 0x21
rlm@436 315 0x00
rlm@437 316 0xB0 ;; set HL to 0xB000 == music-start 2
rlm@436 317
rlm@436 318 0xF5 ;; push AF
rlm@436 319 0xC5 ;; push CB
rlm@436 320 0xE5 ;; push HL
rlm@436 321
rlm@436 322
rlm@437 323 ;; main music loop
rlm@437 324
rlm@437 325 0xE8 ;; SP + 6; activate frame 1
rlm@437 326 6
rlm@437 327 (music-step music-1)
rlm@437 328 ;;(repeat (count (music-step music-1)) 0x00)
rlm@435 329
rlm@437 330 0xE8 ;; SP - 6; activate frame 2
rlm@437 331 (->signed-8-bit -6)
rlm@437 332 ;;(repeat (count (music-step music-2)) 0x00)
rlm@437 333 (music-step music-2)
rlm@433 334
rlm@424 335
rlm@417 336 0x18
rlm@437 337 (->signed-8-bit (+
rlm@437 338 ;; two music-steps
rlm@437 339 (- (* 2 (count (music-step 0))))
rlm@437 340 -2 ;; this jump instruction
rlm@437 341 -2 ;; activate frame 1
rlm@437 342 -2 ;; activate frame 2
rlm@437 343 ))]))
rlm@417 344
rlm@424 345 (defn frequency-code->frequency
rlm@424 346 [code]
rlm@424 347 (assert (<= 0 code 2047))
rlm@424 348 (/ 131072 (- 2048 code)))
rlm@424 349
rlm@424 350 (defn clamp [x low high]
rlm@424 351 (cond (> x high) high
rlm@424 352 (< x low) low
rlm@424 353 true x))
rlm@424 354
rlm@424 355 (defn frequency->frequency-code
rlm@424 356 [frequency]
rlm@424 357 (clamp
rlm@424 358 (Math/round
rlm@424 359 (float
rlm@424 360 (/ (- (* 2048 frequency) 131072) frequency)))
rlm@424 361 0x00 2048))
rlm@424 362
rlm@424 363 (defn note-codes [frequency volume duration]
rlm@424 364 (assert (<= 0 volume 0xF))
rlm@430 365 (if (<= duration 0xFF)
rlm@430 366 (let [frequency-code
rlm@430 367 (frequency->frequency-code frequency)
rlm@430 368 volume&high-frequency
rlm@430 369 (+ (bit-shift-left volume 4)
rlm@430 370 (bit-shift-right frequency-code 8))
rlm@430 371 low-frequency
rlm@430 372 (bit-and 0xFF frequency-code)]
rlm@430 373 [note-code
rlm@430 374 volume&high-frequency
rlm@430 375 low-frequency
rlm@430 376 duration])
rlm@430 377 (vec
rlm@430 378 (flatten
rlm@430 379 [(note-codes frequency volume 0xFF)
rlm@430 380 (note-codes frequency volume (- duration 0xFF))]))))
rlm@430 381
rlm@424 382
rlm@427 383 (defn midi-code->frequency
rlm@427 384 [midi-code]
rlm@427 385 (* 8.1757989156
rlm@427 386 (Math/pow 2 (* (float (/ 12)) midi-code))))
rlm@427 387
rlm@427 388 ;; division == clock-pulses / quarter-note
rlm@427 389 ;; tempo == microseconds / quarter-note
rlm@427 390
rlm@427 391 ;; have: clock-pulses
rlm@427 392 ;; want: seconds
rlm@427 393
rlm@427 394
rlm@428 395 (defn silence [length]
rlm@428 396 {:frequency 1
rlm@428 397 :duration length
rlm@428 398 :volume 0})
rlm@427 399
rlm@438 400 (defn commands
rlm@438 401 "return all events where #(= (:command %) command)"
rlm@438 402 [command s]
rlm@438 403 (filter #(= command (:command %)) s))
rlm@438 404
rlm@438 405 (defn midi-track->mini-midi [#^File midi-file track-num]
rlm@427 406 (let [midi-events (parse-midi midi-file)
rlm@427 407
rlm@438 408 note-on-events (commands :Note_on_c midi-events)
rlm@438 409 note-off-events (commands :Note_off_c midi-events)
rlm@427 410
rlm@438 411 select-channel
rlm@438 412 (fn [n s]
rlm@438 413 (sort-by :time (filter #(= n (:channel (:args %))) s)))
rlm@438 414
rlm@438 415 channel-on (select-channel track-num note-on-events)
rlm@427 416
rlm@438 417 channel-off (select-channel track-num note-off-events)
rlm@427 418
rlm@438 419
rlm@438 420 tempo (:args (first (commands :Tempo midi-events)))
rlm@438 421 division
rlm@438 422 (:division (:args (first (commands :Header midi-events))))
rlm@428 423
rlm@428 424 notes
rlm@428 425 (map
rlm@428 426 (fn [note-on note-off]
rlm@428 427 {:frequency (midi-code->frequency (:note (:args note-on)))
rlm@428 428 :duration
rlm@428 429 (/ (* (/ tempo division)
rlm@428 430 (- (:time note-off) (:time note-on)))
rlm@428 431 1e6) ;; convert clock-pulses into seconds
rlm@428 432 :volume (int (/ (:velocity (:args note-on)) 10))
rlm@428 433 :time-stamp (/ (* (/ tempo division)
rlm@428 434 (:time note-on)) 1e6)})
rlm@438 435 channel-on channel-off)
rlm@428 436
rlm@428 437 silences
rlm@428 438 (map (fn [note-1 note-2]
rlm@428 439 (let [note-1-space (- (:time-stamp note-2)
rlm@428 440 (:time-stamp note-1))
rlm@428 441 note-1-length (:duration note-1)]
rlm@428 442 (silence (- note-1-space note-1-length))))
rlm@428 443 ;; to handle silence at the beginning.
rlm@428 444 (concat [(assoc (silence 0)
rlm@428 445 :time-stamp 0)] notes)
rlm@428 446 notes)
rlm@428 447
rlm@428 448 notes-with-silence
rlm@438 449 (filter (comp not zero? :duration)
rlm@438 450 (interleave silences notes))]
rlm@427 451 (map
rlm@427 452 (fn [note-event]
rlm@427 453 (note-codes (:frequency note-event)
rlm@427 454 (:volume note-event)
rlm@427 455 (int (* (:duration note-event) 0x100))))
rlm@428 456 notes-with-silence)))
rlm@428 457
rlm@438 458 (defn midi->mini-midi [#^File midi-file]
rlm@455 459 {:track-1 (flatten (midi-track->mini-midi midi-file 0))
rlm@455 460 :track-2 (flatten (midi-track->mini-midi midi-file 1))})
rlm@438 461
rlm@438 462 (defn play-midi [#^File midi-file]
rlm@438 463 (let [track-1-target 0xA000
rlm@438 464 track-2-target 0xB000
rlm@438 465 program-target 0xC000
rlm@438 466 mini-midi (midi->mini-midi midi-file)
rlm@438 467 long-silence (flatten (note-codes 20 0 9001))]
rlm@438 468
rlm@438 469 (-> (second (music-base))
rlm@438 470 (set-memory-range track-1-target long-silence)
rlm@438 471 (set-memory-range track-2-target long-silence)
rlm@438 472 (set-memory-range track-1-target (:track-1 mini-midi))
rlm@438 473 (set-memory-range track-2-target (:track-2 mini-midi))
rlm@438 474 (set-memory-range program-target (music-kernel))
rlm@438 475 (PC! program-target))))
rlm@438 476
rlm@424 477 (def C4 (partial note-codes 261.63))
rlm@424 478 (def D4 (partial note-codes 293.66))
rlm@424 479 (def E4 (partial note-codes 329.63))
rlm@424 480 (def F4 (partial note-codes 349.23))
rlm@424 481 (def G4 (partial note-codes 392))
rlm@424 482 (def A4 (partial note-codes 440))
rlm@424 483 (def B4 (partial note-codes 493.88))
rlm@424 484 (def C5 (partial note-codes 523.3))
rlm@424 485
rlm@430 486 (def scale
rlm@430 487 (flatten
rlm@430 488 [(C4 0xF 0x40)
rlm@430 489 (D4 0xF 0x40)
rlm@430 490 (E4 0xF 0x40)
rlm@430 491 (F4 0xF 0x40)
rlm@430 492 (G4 0xF 0x40)
rlm@430 493 (A4 0xF 0x40)
rlm@430 494 (B4 0xF 0x40)
rlm@430 495 (C5 0xF 0x40)]))
rlm@424 496
rlm@418 497 (defn play-music [music-bytes]
rlm@417 498 (let [program-target 0xC000
rlm@437 499 music-target 0xA000]
rlm@417 500 (-> (set-memory-range (second (music-base))
rlm@417 501 program-target (music-kernel))
rlm@417 502 (set-memory-range music-target music-bytes)
rlm@417 503 (PC! program-target))))
rlm@417 504
rlm@417 505
rlm@438 506
rlm@437 507 ;; (defn test-note [music-bytes]
rlm@437 508 ;; (-> (set-memory-range (second (music-base))
rlm@437 509 ;; 0xC000 (concat (clear-music-registers)
rlm@437 510 ;; (play-note)
rlm@437 511 ;; (infinite-loop)))
rlm@437 512 ;; (set-memory-range 0xD000 music-bytes)
rlm@437 513 ;; (PC! 0xC000)
rlm@437 514 ;; (HL! 0xD000)
rlm@437 515 ;; ))
rlm@417 516
rlm@417 517
rlm@417 518 (defn run-program
rlm@418 519 ([program]
rlm@417 520 (let [target 0xC000]
rlm@417 521 (-> (set-memory-range (second (music-base))
rlm@417 522 target program)
rlm@417 523 (PC! target)))))
rlm@417 524
rlm@424 525 (defn test-timer []
rlm@424 526 (flatten
rlm@424 527 [0x3E
rlm@424 528 0x01
rlm@424 529 0xE0
rlm@424 530 0x06 ;; set TMA to 0
rlm@424 531
rlm@424 532 0x3E
rlm@424 533 (Integer/parseInt "00000100" 2)
rlm@424 534 0xE0
rlm@424 535 0x07 ;; set TAC to 16384 Hz and activate timer
rlm@424 536
rlm@424 537 (repeat
rlm@424 538 500
rlm@424 539 [0xF0
rlm@424 540 0x05])]))
rlm@426 541
rlm@426 542