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annotate clojure/com/aurellem/run/music.clj @ 535:2de44c6184ee

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refactored functionality of play-midi into midi-bytes for reuse.
author Robert McIntyre <rlm@mit.edu>
date Mon, 25 Jun 2012 14:15:38 -0500
parents a6d060a64246
children 04f61ade7879
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@455 11 (def pony
rlm@481 12 (File. user-home "/proj/vba-clojure/music/pony-title.mid"))
rlm@455 13
rlm@480 14 (def pony-csv
rlm@481 15 (File. user-home "proj/vba-clojure/music/pony-title.csv"))
rlm@480 16
rlm@455 17 (def sync-test
rlm@481 18 (File. user-home "proj/vba-clojure/music/sync-test.mid"))
rlm@455 19
rlm@468 20 (def drum-test
rlm@481 21 (File. user-home "proj/vba-clojure/music/drum-test.mid"))
rlm@468 22
rlm@477 23 (def regret
rlm@481 24 (File. user-home "proj/vba-clojure/music/ship-of-regret-and-sleep.mid"))
rlm@454 25
rlm@480 26 (def regret-csv
rlm@481 27 (File. user-home "proj/vba-clojure/music/ship-of-regret-and-sleep.csv"))
rlm@480 28
rlm@480 29 (def mother
rlm@481 30 (File. user-home "proj/vba-clojure/music/mother.mid"))
rlm@480 31
rlm@480 32 (def mother-csv
rlm@481 33 (File. user-home "proj/vba-clojure/music/mother.csv"))
rlm@480 34
rlm@480 35
rlm@427 36 (defn raw-midi-text [#^File midi-file]
rlm@480 37 (let [extention (apply str (take-last 3 (.getCanonicalPath
rlm@480 38 midi-file)))]
rlm@480 39 (cond (= "mid" extention)
rlm@480 40 (:out
rlm@480 41 (clojure.java.shell/sh
rlm@480 42 "midicsv"
rlm@480 43 (.getCanonicalPath midi-file)
rlm@480 44 "-"))
rlm@480 45 (= "csv" extention)
rlm@480 46 (slurp midi-file))))
rlm@427 47
rlm@427 48 (def command-line #"^(\d+), (\d+), ([^,]+)(.*)$")
rlm@427 49
rlm@427 50 (defmulti parse-command :command)
rlm@427 51
rlm@427 52 (defn discard-args [command] (dissoc command :args))
rlm@427 53
rlm@427 54 (defmethod parse-command :Start_track
rlm@427 55 [command] (discard-args command))
rlm@427 56
rlm@427 57 (defmethod parse-command :End_track
rlm@427 58 [command] (discard-args command))
rlm@427 59
rlm@427 60 (defmethod parse-command :default
rlm@427 61 [command] command)
rlm@427 62
rlm@427 63 (defn parse-number-list
rlm@427 64 [number-list-str]
rlm@427 65 (map #(Integer/parseInt %)
rlm@427 66 (clojure.string/split number-list-str #", ")))
rlm@427 67
rlm@427 68 (defmethod parse-command :Tempo
rlm@427 69 [command]
rlm@427 70 (update-in command [:args] #(Integer/parseInt %)))
rlm@427 71
rlm@427 72 (defn parse-midi-note-list
rlm@427 73 [midi-note-list-str]
rlm@427 74 (let [[channel note velocity]
rlm@427 75 (parse-number-list midi-note-list-str)]
rlm@427 76 {:channel channel :note note :velocity velocity}))
rlm@427 77
rlm@427 78 (defmethod parse-command :Note_on_c
rlm@427 79 [command]
rlm@427 80 (update-in command [:args] parse-midi-note-list))
rlm@427 81
rlm@427 82 (defmethod parse-command :Note_off_c
rlm@427 83 [command]
rlm@427 84 (update-in command [:args] parse-midi-note-list))
rlm@427 85
rlm@427 86 (defmethod parse-command :Header
rlm@427 87 [command]
rlm@427 88 (let [args (:args command)
rlm@427 89 [format num-tracks division] (parse-number-list args)]
rlm@427 90 (assoc command :args
rlm@427 91 {:format format
rlm@427 92 :num-tracks num-tracks
rlm@427 93 :division division})))
rlm@427 94
rlm@427 95 (defmethod parse-command :Program_c
rlm@427 96 [command]
rlm@427 97 (let [args (:args command)
rlm@427 98 [channel program-num] (parse-number-list args)]
rlm@427 99 (assoc command :args
rlm@427 100 {:channel channel
rlm@427 101 :program-num program-num})))
rlm@427 102
rlm@427 103 (defn parse-midi [#^File midi-file]
rlm@427 104 (map
rlm@427 105 (comp parse-command
rlm@427 106 (fn [line]
rlm@427 107 (let [[[_ channel time command args]]
rlm@427 108 (re-seq command-line line)]
rlm@427 109 {:channel (Integer/parseInt channel)
rlm@427 110 :time (Integer/parseInt time)
rlm@427 111 :command (keyword command)
rlm@427 112 :args (apply str (drop 2 args))})))
rlm@427 113 (drop-last
rlm@427 114 (clojure.string/split-lines
rlm@427 115 (raw-midi-text midi-file)))))
rlm@427 116
rlm@417 117 (def music-base new-kernel)
rlm@417 118
rlm@417 119 (defn store [n address]
rlm@417 120 (flatten
rlm@417 121 [0xF5
rlm@417 122 0xE5
rlm@417 123
rlm@417 124 0x3E
rlm@417 125 n
rlm@417 126
rlm@417 127 0x21
rlm@417 128 (reverse (disect-bytes-2 address))
rlm@417 129
rlm@417 130 0x77
rlm@417 131
rlm@417 132 0xE1
rlm@417 133 0xF1]))
rlm@417 134
rlm@417 135 (defn infinite-loop []
rlm@417 136 [0x18 0xFE])
rlm@417 137
rlm@417 138 (def divider-register 0xFF04)
rlm@417 139
rlm@417 140 (defrecord Bit-Note [frequency volume duration duty])
rlm@417 141
rlm@417 142 (defn clear-music-registers []
rlm@417 143 (flatten
rlm@433 144 [(store (Integer/parseInt "00000000" 2) 0xFF10) ;; sweep
rlm@433 145 (store (Integer/parseInt "00000000" 2) 0xFF11) ;; pattern duty
rlm@433 146 (store (Integer/parseInt "00000000" 2) 0xFF12) ;; volume
rlm@433 147 (store (Integer/parseInt "00000000" 2) 0xFF13) ;; frequency-low
rlm@433 148 (store (Integer/parseInt "00000000" 2) 0xFF14) ;; frequency-high
rlm@417 149
rlm@417 150 (store (Integer/parseInt "00000000" 2) 0xFF16) ;; pattern duty 000000
rlm@417 151 (store (Integer/parseInt "00000000" 2) 0xFF17) ;; volume 0000
rlm@417 152 (store (Integer/parseInt "00000000" 2) 0xFF18) ;; frequency-low
rlm@417 153 (store (Integer/parseInt "00000000" 2) 0xFF19) ;; 00000 frequency-high
rlm@417 154
rlm@417 155 (store (Integer/parseInt "00000000" 2) 0xFF1A)
rlm@417 156 (store (Integer/parseInt "00000000" 2) 0xFF1B)
rlm@417 157 (store (Integer/parseInt "00000000" 2) 0xFF1C)
rlm@417 158 (store (Integer/parseInt "00000000" 2) 0xFF1D)
rlm@417 159 (store (Integer/parseInt "00000000" 2) 0xFF1E)
rlm@417 160
rlm@433 161 (store (Integer/parseInt "00000000" 2) 0xFF20) ;; length
rlm@433 162 (store (Integer/parseInt "00000000" 2) 0xFF21) ;; volume
rlm@433 163 (store (Integer/parseInt "00000000" 2) 0xFF22) ;; noise-frequency
rlm@433 164 (store (Integer/parseInt "00000000" 2) 0xFF23) ;; control
rlm@433 165 ]))
rlm@417 166
rlm@424 167
rlm@424 168 ;; mini-midi syntax
rlm@424 169
rlm@424 170 ;; codes
rlm@424 171 ;; note-code == 0x00
rlm@424 172 ;; change-duty-code = 0x01
rlm@424 173 ;; silence-code = 0x02
rlm@424 174
rlm@424 175 ;; silence format
rlm@424 176 ;; 2 bytes
rlm@424 177 ;; [silence-code (0x02)]
rlm@424 178 ;; [duration-8-bits]
rlm@424 179
rlm@424 180 ;; note data format
rlm@424 181 ;; 4 bytes
rlm@424 182 ;; [note-code (0x00)]
rlm@424 183 ;; [volume-4-bits 0 frequency-high-3-bits]
rlm@424 184 ;; [frequengy-low-8-bits]
rlm@424 185 ;; [duration-8-bits]
rlm@424 186
rlm@424 187 ;; change-duty-format
rlm@424 188 ;; 2 bytes
rlm@424 189 ;; [change-duty-code (0x01)]
rlm@424 190 ;; [new-duty]
rlm@424 191
rlm@425 192 (def note-code 0x00)
rlm@425 193 (def change-duty-code 0x01)
rlm@425 194 (def silence-code 0x02)
rlm@425 195
rlm@424 196 (defn do-message
rlm@424 197 "Read the message which starts at the current value of HL and do
rlm@424 198 what it says. Duration is left in A, and HL is advanced
rlm@424 199 appropraitely."
rlm@461 200 ([] (do-message 0x16 1))
rlm@461 201 ([sound-base-address wave-duty]
rlm@461 202 (assert (<= 0 wave-duty 3))
rlm@433 203 (let [switch
rlm@433 204 [0x2A ;; load message code into A, increment HL
rlm@433 205
rlm@433 206 ;; switch on message
rlm@433 207 0xFE
rlm@433 208 note-code
rlm@433 209
rlm@433 210 0x20
rlm@433 211 :note-length]
rlm@424 212
rlm@433 213 play-note
rlm@461 214 [0x3E ;; set wave-duty
rlm@461 215 (bit-shift-left wave-duty 6)
rlm@461 216 0xE0
rlm@461 217 sound-base-address
rlm@461 218 0x2A ;; load volume/frequency-high info
rlm@433 219 0xF5 ;; push A
rlm@433 220 0xE6
rlm@433 221 (Integer/parseInt "11110000" 2) ;; volume mask
rlm@433 222 0xE0
rlm@433 223 (inc sound-base-address) ;;0x17 ;; set volume
rlm@433 224 0xF1 ;; pop A
rlm@433 225 0xE6
rlm@433 226 (Integer/parseInt "00000111" 2) ;; frequency-high mask
rlm@433 227 0xE0
rlm@433 228 (+ 3 sound-base-address) ;;0x19 ;; set frequency-high
rlm@433 229
rlm@433 230 0x2A ;; load frequency low-bits
rlm@433 231 0xE0
rlm@433 232 (+ 2 sound-base-address) ;;0x18 ;; set frequency-low-bits
rlm@433 233 0x2A]] ;; load duration
rlm@433 234 (replace
rlm@433 235 {:note-length (count play-note)}
rlm@433 236 (concat switch play-note)))))
rlm@424 237
rlm@466 238 (defn play-noise
rlm@467 239 "read [noise-code, volume, duration] and play the noise. Duration is left in
rlm@466 240 A, and HL is advanced appropraitely."
rlm@466 241 ([]
rlm@466 242 [0x2A ;; load noise-code into A
rlm@466 243 0xE0
rlm@466 244 0x22 ;; write noise-code
rlm@467 245
rlm@467 246 0x2A ;; load volume
rlm@467 247 0xE0
rlm@467 248 0x21 ;; write volume
rlm@467 249
rlm@466 250 0x2A] ;; load duration into A
rlm@466 251 ))
rlm@466 252
rlm@466 253
rlm@433 254 ;; (defn play-note
rlm@433 255 ;; "Play the note referenced by HL in the appropiate channel.
rlm@433 256 ;; Leaves desired-duration in A."
rlm@433 257
rlm@433 258 ;; [0x2A ;; load volume/frequency-high info
rlm@433 259 ;; 0xF5 ;; push A
rlm@433 260 ;; 0xE6
rlm@433 261 ;; (Integer/parseInt "11110000" 2) ;; volume mask
rlm@433 262 ;; 0xE0
rlm@433 263 ;; 0x17 ;; set volume
rlm@433 264 ;; 0xF1 ;; pop A
rlm@433 265 ;; 0xE6
rlm@433 266 ;; (Integer/parseInt "00000111" 2) ;; frequency-high mask
rlm@433 267 ;; 0xE0
rlm@433 268 ;; 0x19 ;; set frequency-high
rlm@417 269
rlm@433 270 ;; 0x2A ;; load frequency low-bits
rlm@433 271 ;; 0xE0
rlm@433 272 ;; 0x18 ;; set frequency-low-bits
rlm@417 273
rlm@433 274 ;; 0x2A ;; load duration
rlm@433 275 ;; ])
rlm@417 276
rlm@466 277 (defn music-step [sound-base-address wave-duty noise?]
rlm@432 278 ;; C == current-ticks
rlm@432 279 ;; A == desired-ticks
rlm@435 280
rlm@435 281 (flatten
rlm@435 282 [;; restore variables from stack
rlm@435 283 0xE1 ;; pop HL
rlm@435 284 0xC1 ;; pop CB
rlm@435 285 0xF1 ;; pop AF
rlm@432 286
rlm@435 287
rlm@435 288 0xF5 ;; push A
rlm@417 289 0xF0
rlm@432 290 0x05 ;; load current ticks from 0xF005
rlm@431 291 0xB8 ;;
rlm@417 292 0x30 ;; increment C only if last result caused carry
rlm@417 293 0x01
rlm@418 294 0x0C
rlm@417 295
rlm@417 296 0x47 ;; update sub-ticks (A->B)
rlm@417 297
rlm@417 298 0xF1 ;; pop AF, now A contains desired-ticks
rlm@417 299
rlm@417 300 0xB9 ;; compare with current ticks
rlm@417 301
rlm@417 302 ;; if desired-ticks = current ticks
rlm@417 303 ;; go to next note ; set current set ticks to 0.
rlm@417 304
rlm@466 305 (if noise?
rlm@466 306 [0x20
rlm@466 307 (+ 2 (count (play-noise)))
rlm@466 308 (play-noise)]
rlm@466 309
rlm@466 310 [0x20
rlm@466 311 (+ (count (do-message 0 0)) 2)
rlm@466 312 (do-message sound-base-address wave-duty)])
rlm@417 313
rlm@417 314 0x0E
rlm@435 315 0x00 ;; 0->C (current-ticks)
rlm@417 316
rlm@435 317 ;; save variables to stack
rlm@435 318 0xF5 ;; push AF
rlm@435 319 0xC5 ;; push CB
rlm@435 320 0xE5 ;; push HL
rlm@435 321
rlm@435 322
rlm@435 323 ]))
rlm@435 324
rlm@435 325 (def music-1 0x11)
rlm@434 326 (def music-2 0x16)
rlm@434 327
rlm@461 328 (defn music-kernel [wave-duty-1 wave-duty-2]
rlm@417 329 (flatten
rlm@432 330 [;; global initilization section
rlm@432 331 (clear-music-registers)
rlm@432 332
rlm@417 333 0x3E
rlm@418 334 0x01
rlm@417 335 0xE0
rlm@417 336 0x06 ;; set TMA to 0
rlm@417 337
rlm@417 338 0x3E
rlm@423 339 (Integer/parseInt "00000110" 2)
rlm@417 340 0xE0
rlm@423 341 0x07 ;; set TAC to 65536 Hz and activate timer
rlm@417 342
rlm@435 343 ;; initialize frame 1
rlm@432 344 0x21
rlm@432 345 0x00
rlm@437 346 0xA0 ;; set HL to 0xA000 == music-start 1
rlm@432 347 0x0E
rlm@432 348 0x00 ;; 0->C
rlm@432 349 0x06
rlm@432 350 0x00 ;; 0->B
rlm@435 351
rlm@433 352 0xAF ;; 0->A
rlm@432 353
rlm@435 354 0xF5 ;; push AF
rlm@435 355 0xC5 ;; push CB
rlm@435 356 0xE5 ;; push HL
rlm@432 357
rlm@435 358 ;; initialize frame 2
rlm@436 359 0x21
rlm@436 360 0x00
rlm@437 361 0xB0 ;; set HL to 0xB000 == music-start 2
rlm@436 362
rlm@436 363 0xF5 ;; push AF
rlm@436 364 0xC5 ;; push CB
rlm@436 365 0xE5 ;; push HL
rlm@436 366
rlm@436 367
rlm@466 368 ;; initialize frame 3 (noise)
rlm@466 369 0x21
rlm@466 370 0x00
rlm@466 371 0xA9 ;; 0xA9OO -> HL
rlm@466 372
rlm@466 373 0xF5 ;; push AF
rlm@466 374 0xC5 ;; push CB
rlm@466 375 0xE5 ;; push HL
rlm@466 376
rlm@437 377 ;; main music loop
rlm@437 378
rlm@466 379 0xE8 ;; SP + 12; activate frame 1
rlm@466 380 12
rlm@466 381 (music-step music-1 wave-duty-1 false)
rlm@435 382
rlm@437 383 0xE8 ;; SP - 6; activate frame 2
rlm@437 384 (->signed-8-bit -6)
rlm@466 385 (music-step music-2 wave-duty-2 false)
rlm@466 386
rlm@466 387 0xE8 ;; SP - 6; activate frame 3
rlm@466 388 (->signed-8-bit -6)
rlm@466 389 (music-step nil nil true)
rlm@424 390
rlm@417 391 0x18
rlm@437 392 (->signed-8-bit (+
rlm@437 393 ;; two music-steps
rlm@466 394 (- (* 2 (count (music-step 0 0 false))))
rlm@482 395 ;; one noise
rlm@466 396 (- (count (music-step nil nil true)))
rlm@437 397 -2 ;; this jump instruction
rlm@437 398 -2 ;; activate frame 1
rlm@437 399 -2 ;; activate frame 2
rlm@466 400 -2 ;; activate frame 3
rlm@437 401 ))]))
rlm@417 402
rlm@424 403 (defn frequency-code->frequency
rlm@424 404 [code]
rlm@424 405 (assert (<= 0 code 2047))
rlm@424 406 (/ 131072 (- 2048 code)))
rlm@424 407
rlm@424 408 (defn clamp [x low high]
rlm@424 409 (cond (> x high) high
rlm@424 410 (< x low) low
rlm@424 411 true x))
rlm@424 412
rlm@424 413 (defn frequency->frequency-code
rlm@424 414 [frequency]
rlm@424 415 (clamp
rlm@424 416 (Math/round
rlm@424 417 (float
rlm@424 418 (/ (- (* 2048 frequency) 131072) frequency)))
rlm@424 419 0x00 2048))
rlm@424 420
rlm@424 421 (defn note-codes [frequency volume duration]
rlm@424 422 (assert (<= 0 volume 0xF))
rlm@430 423 (if (<= duration 0xFF)
rlm@430 424 (let [frequency-code
rlm@430 425 (frequency->frequency-code frequency)
rlm@430 426 volume&high-frequency
rlm@430 427 (+ (bit-shift-left volume 4)
rlm@430 428 (bit-shift-right frequency-code 8))
rlm@430 429 low-frequency
rlm@430 430 (bit-and 0xFF frequency-code)]
rlm@430 431 [note-code
rlm@430 432 volume&high-frequency
rlm@430 433 low-frequency
rlm@430 434 duration])
rlm@430 435 (vec
rlm@430 436 (flatten
rlm@430 437 [(note-codes frequency volume 0xFF)
rlm@430 438 (note-codes frequency volume (- duration 0xFF))]))))
rlm@430 439
rlm@424 440
rlm@427 441 (defn midi-code->frequency
rlm@427 442 [midi-code]
rlm@427 443 (* 8.1757989156
rlm@427 444 (Math/pow 2 (* (float (/ 12)) midi-code))))
rlm@427 445
rlm@427 446 ;; division == clock-pulses / quarter-note
rlm@427 447 ;; tempo == microseconds / quarter-note
rlm@427 448
rlm@427 449 ;; have: clock-pulses
rlm@427 450 ;; want: seconds
rlm@427 451
rlm@427 452
rlm@496 453 (defn silent-note [length]
rlm@428 454 {:frequency 1
rlm@428 455 :duration length
rlm@428 456 :volume 0})
rlm@427 457
rlm@466 458 (defn commands
rlm@466 459 "return all events where #(= (:command %) command)"
rlm@466 460 [command s]
rlm@466 461 (filter #(= command (:command %)) s))
rlm@466 462
rlm@462 463 (defn track-info [#^File midi-file]
rlm@462 464 (let [events (parse-midi midi-file)
rlm@462 465 track-titles (commands :Title_t events)
rlm@462 466 track-info
rlm@462 467 (map #(read-string (read-string (:args %))) track-titles)
rlm@462 468 track-map
rlm@462 469 (zipmap track-info track-titles)]
rlm@462 470 track-map))
rlm@462 471
rlm@462 472 (defn target-tracks
rlm@462 473 "return the track-numbers in the form [voice-0 voice-1 noise]"
rlm@462 474 [#^File midi-file]
rlm@462 475 (let [track-data (track-info midi-file)
rlm@462 476 track-order
rlm@462 477 (zipmap (map :out (keys track-data))
rlm@462 478 (vals track-data))
rlm@462 479 channel-nums (map (comp :channel track-order) (range 3))]
rlm@462 480 channel-nums))
rlm@438 481
rlm@467 482 (defn midi-track->abstract-mini-midi
rlm@467 483 [#^File midi-file track-num]
rlm@467 484 (let [midi-events (parse-midi midi-file)
rlm@427 485
rlm@438 486 note-on-events (commands :Note_on_c midi-events)
rlm@438 487 note-off-events (commands :Note_off_c midi-events)
rlm@427 488
rlm@438 489 select-channel
rlm@438 490 (fn [n s]
rlm@462 491 (sort-by :time (filter #(= n (:channel %)) s)))
rlm@438 492
rlm@438 493 channel-on (select-channel track-num note-on-events)
rlm@427 494
rlm@438 495 channel-off (select-channel track-num note-off-events)
rlm@427 496
rlm@438 497
rlm@438 498 tempo (:args (first (commands :Tempo midi-events)))
rlm@438 499 division
rlm@438 500 (:division (:args (first (commands :Header midi-events))))
rlm@428 501
rlm@428 502 notes
rlm@428 503 (map
rlm@428 504 (fn [note-on note-off]
rlm@428 505 {:frequency (midi-code->frequency (:note (:args note-on)))
rlm@467 506 :midi-code (:note (:args note-on))
rlm@428 507 :duration
rlm@428 508 (/ (* (/ tempo division)
rlm@428 509 (- (:time note-off) (:time note-on)))
rlm@428 510 1e6) ;; convert clock-pulses into seconds
rlm@428 511 :volume (int (/ (:velocity (:args note-on)) 10))
rlm@428 512 :time-stamp (/ (* (/ tempo division)
rlm@428 513 (:time note-on)) 1e6)})
rlm@438 514 channel-on channel-off)
rlm@428 515
rlm@428 516 silences
rlm@428 517 (map (fn [note-1 note-2]
rlm@428 518 (let [note-1-space (- (:time-stamp note-2)
rlm@428 519 (:time-stamp note-1))
rlm@428 520 note-1-length (:duration note-1)]
rlm@496 521 (silent-note (- note-1-space note-1-length))))
rlm@428 522 ;; to handle silence at the beginning.
rlm@496 523 (concat [(assoc (silent-note 0)
rlm@428 524 :time-stamp 0)] notes)
rlm@428 525 notes)
rlm@428 526
rlm@428 527 notes-with-silence
rlm@456 528 (concat
rlm@456 529 (filter (comp not zero? :duration)
rlm@456 530 (interleave silences notes))
rlm@496 531 [(silent-note 3)])]
rlm@467 532 notes-with-silence))
rlm@467 533
rlm@467 534 (defn midi-track->mini-midi-voice [#^File midi-file track-num]
rlm@467 535 (let [abstract-mini-midi
rlm@467 536 (midi-track->abstract-mini-midi midi-file track-num)]
rlm@456 537 (map
rlm@456 538 (fn [note-event]
rlm@456 539 (note-codes (:frequency note-event)
rlm@456 540 (:volume note-event)
rlm@456 541 (int (* (:duration note-event) 0x100))))
rlm@467 542 abstract-mini-midi)))
rlm@467 543
rlm@468 544 (def midi-code->gb-noise-code
rlm@468 545 {nil 0xFF
rlm@482 546 35 90
rlm@468 547 38 20
rlm@468 548 39 0
rlm@468 549 })
rlm@468 550
rlm@467 551 (defn noise-codes [code volume duration]
rlm@467 552 (assert (<= 0 volume 0xF))
rlm@467 553 (if (<= duration 0xFF)
rlm@468 554 [(midi-code->gb-noise-code code code)
rlm@467 555 (bit-shift-left volume 4)
rlm@467 556 duration]
rlm@467 557 (vec
rlm@467 558 (flatten
rlm@467 559 [(noise-codes code volume 0xFF)
rlm@467 560 (noise-codes code volume (- duration 0xFF))]))))
rlm@467 561
rlm@467 562 (defn midi-track->mini-midi-noise [#^File midi-file track-num]
rlm@467 563 (let [abstract-mini-midi
rlm@467 564 (midi-track->abstract-mini-midi midi-file track-num)]
rlm@467 565 (map
rlm@467 566 (fn [noise-event]
rlm@467 567 (noise-codes (:midi-code noise-event)
rlm@467 568 (:volume noise-event)
rlm@467 569 (int (* (:duration noise-event) 0x100))))
rlm@467 570 abstract-mini-midi)))
rlm@467 571
rlm@467 572
rlm@438 573 (defn midi->mini-midi [#^File midi-file]
rlm@462 574 (let [targets (target-tracks midi-file)
rlm@463 575 duty-info (keys (track-info midi-file))]
rlm@463 576
rlm@467 577 {:voice-1 (midi-track->mini-midi-voice midi-file (nth targets 0))
rlm@467 578 :voice-2 (midi-track->mini-midi-voice midi-file (nth targets 1))
rlm@467 579 :noise (midi-track->mini-midi-noise midi-file (nth targets 2))
rlm@463 580 :duty (zipmap (map :out duty-info)
rlm@464 581 (map #(get % :duty 0) duty-info))}))
rlm@438 582
rlm@535 583 (defn midi-bytes [^File midi-file]
rlm@467 584 (let [voice-1-target 0xA000
rlm@467 585 voice-2-target 0xB000
rlm@467 586 noise-target 0xA900
rlm@438 587 program-target 0xC000
rlm@438 588 mini-midi (midi->mini-midi midi-file)
rlm@535 589 long-silence (flatten (note-codes 20 0 5000))
rlm@535 590 long-noise-silence
rlm@535 591 (interleave (range 100) (repeat 0x00) (repeat 255))
rlm@463 592 voice-1 (flatten (:voice-1 mini-midi))
rlm@464 593 wave-duty-1 ((:duty mini-midi) 0 0)
rlm@463 594
rlm@463 595 voice-2 (flatten (:voice-2 mini-midi))
rlm@464 596 wave-duty-2 ((:duty mini-midi) 1 0)
rlm@466 597
rlm@466 598 noise (flatten (:noise mini-midi))
rlm@535 599 kernel (music-kernel wave-duty-1 wave-duty-2)]
rlm@438 600
rlm@535 601 {:voice-1 {:address voice-1-target
rlm@535 602 :data (concat voice-1 long-silence)}
rlm@535 603 :voice-2 {:address voice-2-target
rlm@535 604 :data (concat voice-2 long-silence)}
rlm@535 605 :noise {:address noise-target
rlm@535 606 :data (concat noise long-noise-silence)}
rlm@535 607 :kernel {:address program-target
rlm@535 608 :data (music-kernel wave-duty-1 wave-duty-2)}}))
rlm@535 609
rlm@535 610 (defn play-midi [^File midi-file]
rlm@535 611 (let [bytes (midi-bytes midi-file)]
rlm@438 612 (-> (second (music-base))
rlm@461 613 (set-memory-range
rlm@535 614 (:address (:voice-1 bytes)) (:data (:voice-1 bytes)))
rlm@535 615 (set-memory-range
rlm@535 616 (:address (:voice-2 bytes)) (:data (:voice-2 bytes)))
rlm@535 617 (set-memory-range
rlm@535 618 (:address (:noise bytes)) (:data (:noise bytes)))
rlm@535 619 (set-memory-range
rlm@535 620 (:address (:kernel bytes)) (:data (:kernel bytes)))
rlm@535 621 (PC! (:address (:kernel bytes))))))
rlm@438 622
rlm@467 623 (defn test-noise []
rlm@467 624 (let [noise-pattern
rlm@467 625 (concat (interleave (range 0x100) (repeat 0xF0) (repeat 255))
rlm@467 626 (interleave (range 10) (repeat 0x00) (repeat 255)))]
rlm@467 627
rlm@467 628 (-> (second (music-base))
rlm@467 629 (set-memory-range 0xA900 (flatten noise-pattern))
rlm@467 630 (set-memory-range 0xC000 (music-kernel 0 0))
rlm@467 631 (PC! 0xC000))))
rlm@467 632
rlm@467 633 (defn test-play-noise [noise-code]
rlm@468 634 (Thread/sleep 300)
rlm@468 635 (println "playing noise:" noise-code)
rlm@467 636 (run-moves
rlm@467 637 (let [noise-pattern
rlm@467 638 (interleave (repeat 10 noise-code) (repeat 0xF0) (repeat 255))]
rlm@467 639 (-> (second (music-base))
rlm@467 640 (set-memory-range 0xA900 (flatten noise-pattern))
rlm@467 641 (set-memory-range 0xC000 (music-kernel 0 0))
rlm@467 642 (PC! 0xC000)))
rlm@468 643 (repeat 20 [])))
rlm@467 644
rlm@467 645 (defn test-all-noises []
rlm@467 646 (dorun (map test-play-noise (range 0x100))))
rlm@467 647
rlm@424 648 (def C4 (partial note-codes 261.63))
rlm@424 649 (def D4 (partial note-codes 293.66))
rlm@424 650 (def E4 (partial note-codes 329.63))
rlm@424 651 (def F4 (partial note-codes 349.23))
rlm@424 652 (def G4 (partial note-codes 392))
rlm@424 653 (def A4 (partial note-codes 440))
rlm@424 654 (def B4 (partial note-codes 493.88))
rlm@424 655 (def C5 (partial note-codes 523.3))
rlm@424 656
rlm@430 657 (def scale
rlm@430 658 (flatten
rlm@430 659 [(C4 0xF 0x40)
rlm@430 660 (D4 0xF 0x40)
rlm@430 661 (E4 0xF 0x40)
rlm@430 662 (F4 0xF 0x40)
rlm@430 663 (G4 0xF 0x40)
rlm@430 664 (A4 0xF 0x40)
rlm@430 665 (B4 0xF 0x40)
rlm@430 666 (C5 0xF 0x40)]))
rlm@424 667
rlm@418 668 (defn play-music [music-bytes]
rlm@417 669 (let [program-target 0xC000
rlm@437 670 music-target 0xA000]
rlm@417 671 (-> (set-memory-range (second (music-base))
rlm@417 672 program-target (music-kernel))
rlm@417 673 (set-memory-range music-target music-bytes)
rlm@417 674 (PC! program-target))))
rlm@417 675
rlm@417 676 (defn run-program
rlm@418 677 ([program]
rlm@417 678 (let [target 0xC000]
rlm@417 679 (-> (set-memory-range (second (music-base))
rlm@417 680 target program)
rlm@417 681 (PC! target)))))
rlm@417 682
rlm@424 683 (defn test-timer []
rlm@424 684 (flatten
rlm@424 685 [0x3E
rlm@424 686 0x01
rlm@424 687 0xE0
rlm@424 688 0x06 ;; set TMA to 0
rlm@424 689
rlm@424 690 0x3E
rlm@424 691 (Integer/parseInt "00000100" 2)
rlm@424 692 0xE0
rlm@424 693 0x07 ;; set TAC to 16384 Hz and activate timer
rlm@424 694
rlm@424 695 (repeat
rlm@424 696 500
rlm@424 697 [0xF0
rlm@424 698 0x05])]))
rlm@426 699
rlm@480 700 (defn play-pony []
rlm@481 701 (println "playing" (.getName pony-csv))
rlm@480 702 (run-moves (play-midi pony-csv) (repeat 1800 [])))
rlm@426 703
rlm@480 704 (defn play-regret []
rlm@481 705 (println "playing" (.getName regret-csv))
rlm@480 706 (run-moves (play-midi regret-csv) (repeat 3380 [])))
rlm@480 707
rlm@480 708 (defn play-mother []
rlm@481 709 (println "playing" (.getName mother-csv))
rlm@480 710 (run-moves (play-midi mother-csv) (repeat 2200 [])))
rlm@480 711
rlm@480 712 (defn demo [] (play-mother) (play-regret) (play-pony))
rlm@480 713
rlm@480 714
rlm@480 715