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annotate clojure/com/aurellem/run/music.clj @ 467:ac0ed5c1a1c4

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working on drums.
author Robert McIntyre <rlm@mit.edu>
date Fri, 04 May 2012 05:17:18 -0500
parents b31cd6651375
children 85d9fa354f0b
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@461 180 ([] (do-message 0x16 1))
rlm@461 181 ([sound-base-address wave-duty]
rlm@461 182 (assert (<= 0 wave-duty 3))
rlm@433 183 (let [switch
rlm@433 184 [0x2A ;; load message code into A, increment HL
rlm@433 185
rlm@433 186 ;; switch on message
rlm@433 187 0xFE
rlm@433 188 note-code
rlm@433 189
rlm@433 190 0x20
rlm@433 191 :note-length]
rlm@424 192
rlm@433 193 play-note
rlm@461 194 [0x3E ;; set wave-duty
rlm@461 195 (bit-shift-left wave-duty 6)
rlm@461 196 0xE0
rlm@461 197 sound-base-address
rlm@461 198 0x2A ;; load volume/frequency-high info
rlm@433 199 0xF5 ;; push A
rlm@433 200 0xE6
rlm@433 201 (Integer/parseInt "11110000" 2) ;; volume mask
rlm@433 202 0xE0
rlm@433 203 (inc sound-base-address) ;;0x17 ;; set volume
rlm@433 204 0xF1 ;; pop A
rlm@433 205 0xE6
rlm@433 206 (Integer/parseInt "00000111" 2) ;; frequency-high mask
rlm@433 207 0xE0
rlm@433 208 (+ 3 sound-base-address) ;;0x19 ;; set frequency-high
rlm@433 209
rlm@433 210 0x2A ;; load frequency low-bits
rlm@433 211 0xE0
rlm@433 212 (+ 2 sound-base-address) ;;0x18 ;; set frequency-low-bits
rlm@433 213 0x2A]] ;; load duration
rlm@433 214 (replace
rlm@433 215 {:note-length (count play-note)}
rlm@433 216 (concat switch play-note)))))
rlm@424 217
rlm@466 218 (defn play-noise
rlm@467 219 "read [noise-code, volume, duration] and play the noise. Duration is left in
rlm@466 220 A, and HL is advanced appropraitely."
rlm@466 221 ([]
rlm@466 222 [0x2A ;; load noise-code into A
rlm@466 223 0xE0
rlm@466 224 0x22 ;; write noise-code
rlm@467 225
rlm@467 226 0x2A ;; load volume
rlm@467 227 0xE0
rlm@467 228 0x21 ;; write volume
rlm@467 229
rlm@466 230 0x2A] ;; load duration into A
rlm@466 231 ))
rlm@466 232
rlm@466 233
rlm@433 234 ;; (defn play-note
rlm@433 235 ;; "Play the note referenced by HL in the appropiate channel.
rlm@433 236 ;; Leaves desired-duration in A."
rlm@433 237
rlm@433 238 ;; [0x2A ;; load volume/frequency-high info
rlm@433 239 ;; 0xF5 ;; push A
rlm@433 240 ;; 0xE6
rlm@433 241 ;; (Integer/parseInt "11110000" 2) ;; volume mask
rlm@433 242 ;; 0xE0
rlm@433 243 ;; 0x17 ;; set volume
rlm@433 244 ;; 0xF1 ;; pop A
rlm@433 245 ;; 0xE6
rlm@433 246 ;; (Integer/parseInt "00000111" 2) ;; frequency-high mask
rlm@433 247 ;; 0xE0
rlm@433 248 ;; 0x19 ;; set frequency-high
rlm@417 249
rlm@433 250 ;; 0x2A ;; load frequency low-bits
rlm@433 251 ;; 0xE0
rlm@433 252 ;; 0x18 ;; set frequency-low-bits
rlm@417 253
rlm@433 254 ;; 0x2A ;; load duration
rlm@433 255 ;; ])
rlm@417 256
rlm@466 257 (defn music-step [sound-base-address wave-duty noise?]
rlm@432 258 ;; C == current-ticks
rlm@432 259 ;; A == desired-ticks
rlm@435 260
rlm@435 261 (flatten
rlm@435 262 [;; restore variables from stack
rlm@435 263 0xE1 ;; pop HL
rlm@435 264 0xC1 ;; pop CB
rlm@435 265 0xF1 ;; pop AF
rlm@432 266
rlm@435 267
rlm@435 268 0xF5 ;; push A
rlm@417 269 0xF0
rlm@432 270 0x05 ;; load current ticks from 0xF005
rlm@431 271 0xB8 ;;
rlm@417 272 0x30 ;; increment C only if last result caused carry
rlm@417 273 0x01
rlm@418 274 0x0C
rlm@417 275
rlm@417 276 0x47 ;; update sub-ticks (A->B)
rlm@417 277
rlm@417 278 0xF1 ;; pop AF, now A contains desired-ticks
rlm@417 279
rlm@417 280 0xB9 ;; compare with current ticks
rlm@417 281
rlm@417 282 ;; if desired-ticks = current ticks
rlm@417 283 ;; go to next note ; set current set ticks to 0.
rlm@417 284
rlm@466 285 (if noise?
rlm@466 286 [0x20
rlm@466 287 (+ 2 (count (play-noise)))
rlm@466 288 (play-noise)]
rlm@466 289
rlm@466 290 [0x20
rlm@466 291 (+ (count (do-message 0 0)) 2)
rlm@466 292 (do-message sound-base-address wave-duty)])
rlm@417 293
rlm@417 294 0x0E
rlm@435 295 0x00 ;; 0->C (current-ticks)
rlm@417 296
rlm@435 297 ;; save variables to stack
rlm@435 298 0xF5 ;; push AF
rlm@435 299 0xC5 ;; push CB
rlm@435 300 0xE5 ;; push HL
rlm@435 301
rlm@435 302
rlm@435 303 ]))
rlm@435 304
rlm@435 305 (def music-1 0x11)
rlm@434 306 (def music-2 0x16)
rlm@434 307
rlm@461 308 (defn music-kernel [wave-duty-1 wave-duty-2]
rlm@417 309 (flatten
rlm@432 310 [;; global initilization section
rlm@432 311 (clear-music-registers)
rlm@432 312
rlm@417 313 0x3E
rlm@418 314 0x01
rlm@417 315 0xE0
rlm@417 316 0x06 ;; set TMA to 0
rlm@417 317
rlm@417 318 0x3E
rlm@423 319 (Integer/parseInt "00000110" 2)
rlm@417 320 0xE0
rlm@423 321 0x07 ;; set TAC to 65536 Hz and activate timer
rlm@417 322
rlm@435 323 ;; initialize frame 1
rlm@432 324 0x21
rlm@432 325 0x00
rlm@437 326 0xA0 ;; set HL to 0xA000 == music-start 1
rlm@432 327 0x0E
rlm@432 328 0x00 ;; 0->C
rlm@432 329 0x06
rlm@432 330 0x00 ;; 0->B
rlm@435 331
rlm@433 332 0xAF ;; 0->A
rlm@432 333
rlm@435 334 0xF5 ;; push AF
rlm@435 335 0xC5 ;; push CB
rlm@435 336 0xE5 ;; push HL
rlm@432 337
rlm@435 338 ;; initialize frame 2
rlm@436 339 0x21
rlm@436 340 0x00
rlm@437 341 0xB0 ;; set HL to 0xB000 == music-start 2
rlm@436 342
rlm@436 343 0xF5 ;; push AF
rlm@436 344 0xC5 ;; push CB
rlm@436 345 0xE5 ;; push HL
rlm@436 346
rlm@436 347
rlm@466 348 ;; initialize frame 3 (noise)
rlm@466 349 0x21
rlm@466 350 0x00
rlm@466 351 0xA9 ;; 0xA9OO -> HL
rlm@466 352
rlm@466 353 0xF5 ;; push AF
rlm@466 354 0xC5 ;; push CB
rlm@466 355 0xE5 ;; push HL
rlm@466 356
rlm@437 357 ;; main music loop
rlm@437 358
rlm@466 359 0xE8 ;; SP + 12; activate frame 1
rlm@466 360 12
rlm@466 361 (music-step music-1 wave-duty-1 false)
rlm@435 362
rlm@437 363 0xE8 ;; SP - 6; activate frame 2
rlm@437 364 (->signed-8-bit -6)
rlm@466 365 (music-step music-2 wave-duty-2 false)
rlm@466 366
rlm@466 367 0xE8 ;; SP - 6; activate frame 3
rlm@466 368 (->signed-8-bit -6)
rlm@466 369 (music-step nil nil true)
rlm@424 370
rlm@417 371 0x18
rlm@437 372 (->signed-8-bit (+
rlm@437 373 ;; two music-steps
rlm@466 374 (- (* 2 (count (music-step 0 0 false))))
rlm@466 375 (- (count (music-step nil nil true)))
rlm@437 376 -2 ;; this jump instruction
rlm@437 377 -2 ;; activate frame 1
rlm@437 378 -2 ;; activate frame 2
rlm@466 379 -2 ;; activate frame 3
rlm@437 380 ))]))
rlm@417 381
rlm@424 382 (defn frequency-code->frequency
rlm@424 383 [code]
rlm@424 384 (assert (<= 0 code 2047))
rlm@424 385 (/ 131072 (- 2048 code)))
rlm@424 386
rlm@424 387 (defn clamp [x low high]
rlm@424 388 (cond (> x high) high
rlm@424 389 (< x low) low
rlm@424 390 true x))
rlm@424 391
rlm@424 392 (defn frequency->frequency-code
rlm@424 393 [frequency]
rlm@424 394 (clamp
rlm@424 395 (Math/round
rlm@424 396 (float
rlm@424 397 (/ (- (* 2048 frequency) 131072) frequency)))
rlm@424 398 0x00 2048))
rlm@424 399
rlm@424 400 (defn note-codes [frequency volume duration]
rlm@424 401 (assert (<= 0 volume 0xF))
rlm@430 402 (if (<= duration 0xFF)
rlm@430 403 (let [frequency-code
rlm@430 404 (frequency->frequency-code frequency)
rlm@430 405 volume&high-frequency
rlm@430 406 (+ (bit-shift-left volume 4)
rlm@430 407 (bit-shift-right frequency-code 8))
rlm@430 408 low-frequency
rlm@430 409 (bit-and 0xFF frequency-code)]
rlm@430 410 [note-code
rlm@430 411 volume&high-frequency
rlm@430 412 low-frequency
rlm@430 413 duration])
rlm@430 414 (vec
rlm@430 415 (flatten
rlm@430 416 [(note-codes frequency volume 0xFF)
rlm@430 417 (note-codes frequency volume (- duration 0xFF))]))))
rlm@430 418
rlm@424 419
rlm@427 420 (defn midi-code->frequency
rlm@427 421 [midi-code]
rlm@427 422 (* 8.1757989156
rlm@427 423 (Math/pow 2 (* (float (/ 12)) midi-code))))
rlm@427 424
rlm@427 425 ;; division == clock-pulses / quarter-note
rlm@427 426 ;; tempo == microseconds / quarter-note
rlm@427 427
rlm@427 428 ;; have: clock-pulses
rlm@427 429 ;; want: seconds
rlm@427 430
rlm@427 431
rlm@428 432 (defn silence [length]
rlm@428 433 {:frequency 1
rlm@428 434 :duration length
rlm@428 435 :volume 0})
rlm@427 436
rlm@466 437 (defn commands
rlm@466 438 "return all events where #(= (:command %) command)"
rlm@466 439 [command s]
rlm@466 440 (filter #(= command (:command %)) s))
rlm@466 441
rlm@462 442 (defn track-info [#^File midi-file]
rlm@462 443 (let [events (parse-midi midi-file)
rlm@462 444 track-titles (commands :Title_t events)
rlm@462 445 track-info
rlm@462 446 (map #(read-string (read-string (:args %))) track-titles)
rlm@462 447 track-map
rlm@462 448 (zipmap track-info track-titles)]
rlm@462 449 track-map))
rlm@462 450
rlm@462 451 (defn target-tracks
rlm@462 452 "return the track-numbers in the form [voice-0 voice-1 noise]"
rlm@462 453 [#^File midi-file]
rlm@462 454 (let [track-data (track-info midi-file)
rlm@462 455 track-order
rlm@462 456 (zipmap (map :out (keys track-data))
rlm@462 457 (vals track-data))
rlm@462 458 channel-nums (map (comp :channel track-order) (range 3))]
rlm@462 459 channel-nums))
rlm@438 460
rlm@467 461 (defn midi-track->abstract-mini-midi
rlm@467 462 [#^File midi-file track-num]
rlm@467 463 (let [midi-events (parse-midi midi-file)
rlm@427 464
rlm@438 465 note-on-events (commands :Note_on_c midi-events)
rlm@438 466 note-off-events (commands :Note_off_c midi-events)
rlm@427 467
rlm@438 468 select-channel
rlm@438 469 (fn [n s]
rlm@462 470 (sort-by :time (filter #(= n (:channel %)) s)))
rlm@438 471
rlm@438 472 channel-on (select-channel track-num note-on-events)
rlm@427 473
rlm@438 474 channel-off (select-channel track-num note-off-events)
rlm@427 475
rlm@438 476
rlm@438 477 tempo (:args (first (commands :Tempo midi-events)))
rlm@438 478 division
rlm@438 479 (:division (:args (first (commands :Header midi-events))))
rlm@428 480
rlm@428 481 notes
rlm@428 482 (map
rlm@428 483 (fn [note-on note-off]
rlm@428 484 {:frequency (midi-code->frequency (:note (:args note-on)))
rlm@467 485 :midi-code (:note (:args note-on))
rlm@428 486 :duration
rlm@428 487 (/ (* (/ tempo division)
rlm@428 488 (- (:time note-off) (:time note-on)))
rlm@428 489 1e6) ;; convert clock-pulses into seconds
rlm@428 490 :volume (int (/ (:velocity (:args note-on)) 10))
rlm@428 491 :time-stamp (/ (* (/ tempo division)
rlm@428 492 (:time note-on)) 1e6)})
rlm@438 493 channel-on channel-off)
rlm@428 494
rlm@428 495 silences
rlm@428 496 (map (fn [note-1 note-2]
rlm@428 497 (let [note-1-space (- (:time-stamp note-2)
rlm@428 498 (:time-stamp note-1))
rlm@428 499 note-1-length (:duration note-1)]
rlm@428 500 (silence (- note-1-space note-1-length))))
rlm@428 501 ;; to handle silence at the beginning.
rlm@428 502 (concat [(assoc (silence 0)
rlm@428 503 :time-stamp 0)] notes)
rlm@428 504 notes)
rlm@428 505
rlm@428 506 notes-with-silence
rlm@456 507 (concat
rlm@456 508 (filter (comp not zero? :duration)
rlm@456 509 (interleave silences notes))
rlm@456 510 [(silence 3)])]
rlm@467 511 notes-with-silence))
rlm@467 512
rlm@467 513 (defn midi-track->mini-midi-voice [#^File midi-file track-num]
rlm@467 514 (let [abstract-mini-midi
rlm@467 515 (midi-track->abstract-mini-midi midi-file track-num)]
rlm@456 516 (map
rlm@456 517 (fn [note-event]
rlm@456 518 (note-codes (:frequency note-event)
rlm@456 519 (:volume note-event)
rlm@456 520 (int (* (:duration note-event) 0x100))))
rlm@467 521 abstract-mini-midi)))
rlm@467 522
rlm@467 523 (defn noise-codes [code volume duration]
rlm@467 524 (assert (<= 0 volume 0xF))
rlm@467 525 (if (<= duration 0xFF)
rlm@467 526 [(if (nil? code) 0xFF code)
rlm@467 527 (bit-shift-left volume 4)
rlm@467 528 duration]
rlm@467 529 (vec
rlm@467 530 (flatten
rlm@467 531 [(noise-codes code volume 0xFF)
rlm@467 532 (noise-codes code volume (- duration 0xFF))]))))
rlm@467 533
rlm@467 534 (defn midi-track->mini-midi-noise [#^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@467 537 (map
rlm@467 538 (fn [noise-event]
rlm@467 539 (noise-codes (:midi-code noise-event)
rlm@467 540 (:volume noise-event)
rlm@467 541 (int (* (:duration noise-event) 0x100))))
rlm@467 542 abstract-mini-midi)))
rlm@467 543
rlm@467 544
rlm@438 545 (defn midi->mini-midi [#^File midi-file]
rlm@462 546 (let [targets (target-tracks midi-file)
rlm@463 547 duty-info (keys (track-info midi-file))]
rlm@463 548
rlm@467 549 {:voice-1 (midi-track->mini-midi-voice midi-file (nth targets 0))
rlm@467 550 :voice-2 (midi-track->mini-midi-voice midi-file (nth targets 1))
rlm@467 551 :noise (midi-track->mini-midi-noise midi-file (nth targets 2))
rlm@463 552 :duty (zipmap (map :out duty-info)
rlm@464 553 (map #(get % :duty 0) duty-info))}))
rlm@438 554
rlm@438 555 (defn play-midi [#^File midi-file]
rlm@467 556 (let [voice-1-target 0xA000
rlm@467 557 voice-2-target 0xB000
rlm@467 558 noise-target 0xA900
rlm@438 559 program-target 0xC000
rlm@438 560 mini-midi (midi->mini-midi midi-file)
rlm@467 561 long-silence (flatten (note-codes 20 0 20001))
rlm@467 562 long-noise-silence
rlm@467 563 (interleave (range 500) (repeat 0x00) (repeat 255))
rlm@467 564
rlm@463 565 voice-1 (flatten (:voice-1 mini-midi))
rlm@464 566 wave-duty-1 ((:duty mini-midi) 0 0)
rlm@463 567
rlm@463 568 voice-2 (flatten (:voice-2 mini-midi))
rlm@464 569 wave-duty-2 ((:duty mini-midi) 1 0)
rlm@466 570
rlm@466 571 noise (flatten (:noise mini-midi))
rlm@461 572 ]
rlm@438 573
rlm@438 574 (-> (second (music-base))
rlm@467 575 (set-memory-range voice-1-target long-silence)
rlm@467 576 (set-memory-range voice-2-target long-silence)
rlm@467 577 (set-memory-range noise-target long-noise-silence)
rlm@467 578 (set-memory-range voice-1-target voice-1)
rlm@467 579 (set-memory-range voice-2-target voice-2)
rlm@467 580 (set-memory-range noise-target noise)
rlm@461 581 (set-memory-range
rlm@461 582 program-target
rlm@461 583 (music-kernel wave-duty-1 wave-duty-2))
rlm@438 584 (PC! program-target))))
rlm@438 585
rlm@467 586
rlm@467 587 (defn test-noise []
rlm@467 588 (let [noise-pattern
rlm@467 589 (concat (interleave (range 0x100) (repeat 0xF0) (repeat 255))
rlm@467 590 (interleave (range 10) (repeat 0x00) (repeat 255)))]
rlm@467 591
rlm@467 592 (-> (second (music-base))
rlm@467 593 (set-memory-range 0xA900 (flatten noise-pattern))
rlm@467 594 (set-memory-range 0xC000 (music-kernel 0 0))
rlm@467 595 (PC! 0xC000))))
rlm@467 596
rlm@467 597 (defn test-play-noise [noise-code]
rlm@467 598 (println "playing-noise" noise-code)
rlm@467 599 (run-moves
rlm@467 600 (let [noise-pattern
rlm@467 601 (interleave (repeat 10 noise-code) (repeat 0xF0) (repeat 255))]
rlm@467 602 (-> (second (music-base))
rlm@467 603 (set-memory-range 0xA900 (flatten noise-pattern))
rlm@467 604 (set-memory-range 0xC000 (music-kernel 0 0))
rlm@467 605 (PC! 0xC000)))
rlm@467 606 (repeat 128 [])))
rlm@467 607
rlm@467 608 (defn test-all-noises []
rlm@467 609 (dorun (map test-play-noise (range 0x100))))
rlm@467 610
rlm@467 611
rlm@467 612
rlm@424 613 (def C4 (partial note-codes 261.63))
rlm@424 614 (def D4 (partial note-codes 293.66))
rlm@424 615 (def E4 (partial note-codes 329.63))
rlm@424 616 (def F4 (partial note-codes 349.23))
rlm@424 617 (def G4 (partial note-codes 392))
rlm@424 618 (def A4 (partial note-codes 440))
rlm@424 619 (def B4 (partial note-codes 493.88))
rlm@424 620 (def C5 (partial note-codes 523.3))
rlm@424 621
rlm@430 622 (def scale
rlm@430 623 (flatten
rlm@430 624 [(C4 0xF 0x40)
rlm@430 625 (D4 0xF 0x40)
rlm@430 626 (E4 0xF 0x40)
rlm@430 627 (F4 0xF 0x40)
rlm@430 628 (G4 0xF 0x40)
rlm@430 629 (A4 0xF 0x40)
rlm@430 630 (B4 0xF 0x40)
rlm@430 631 (C5 0xF 0x40)]))
rlm@424 632
rlm@418 633 (defn play-music [music-bytes]
rlm@417 634 (let [program-target 0xC000
rlm@437 635 music-target 0xA000]
rlm@417 636 (-> (set-memory-range (second (music-base))
rlm@417 637 program-target (music-kernel))
rlm@417 638 (set-memory-range music-target music-bytes)
rlm@417 639 (PC! program-target))))
rlm@417 640
rlm@417 641 (defn run-program
rlm@418 642 ([program]
rlm@417 643 (let [target 0xC000]
rlm@417 644 (-> (set-memory-range (second (music-base))
rlm@417 645 target program)
rlm@417 646 (PC! target)))))
rlm@417 647
rlm@424 648 (defn test-timer []
rlm@424 649 (flatten
rlm@424 650 [0x3E
rlm@424 651 0x01
rlm@424 652 0xE0
rlm@424 653 0x06 ;; set TMA to 0
rlm@424 654
rlm@424 655 0x3E
rlm@424 656 (Integer/parseInt "00000100" 2)
rlm@424 657 0xE0
rlm@424 658 0x07 ;; set TAC to 16384 Hz and activate timer
rlm@424 659
rlm@424 660 (repeat
rlm@424 661 500
rlm@424 662 [0xF0
rlm@424 663 0x05])]))
rlm@426 664
rlm@426 665