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annotate clojure/com/aurellem/run/music.clj @ 466:b31cd6651375

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working on noise.
author Robert McIntyre <rlm@mit.edu>
date Fri, 04 May 2012 04:13:13 -0500
parents 34bf4b64d9d1
children ac0ed5c1a1c4
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@466 219 "read [noise-code, 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@466 225 0x2A] ;; load duration into A
rlm@466 226 ))
rlm@466 227
rlm@466 228
rlm@433 229 ;; (defn play-note
rlm@433 230 ;; "Play the note referenced by HL in the appropiate channel.
rlm@433 231 ;; Leaves desired-duration in A."
rlm@433 232
rlm@433 233 ;; [0x2A ;; load volume/frequency-high info
rlm@433 234 ;; 0xF5 ;; push A
rlm@433 235 ;; 0xE6
rlm@433 236 ;; (Integer/parseInt "11110000" 2) ;; volume mask
rlm@433 237 ;; 0xE0
rlm@433 238 ;; 0x17 ;; set volume
rlm@433 239 ;; 0xF1 ;; pop A
rlm@433 240 ;; 0xE6
rlm@433 241 ;; (Integer/parseInt "00000111" 2) ;; frequency-high mask
rlm@433 242 ;; 0xE0
rlm@433 243 ;; 0x19 ;; set frequency-high
rlm@417 244
rlm@433 245 ;; 0x2A ;; load frequency low-bits
rlm@433 246 ;; 0xE0
rlm@433 247 ;; 0x18 ;; set frequency-low-bits
rlm@417 248
rlm@433 249 ;; 0x2A ;; load duration
rlm@433 250 ;; ])
rlm@417 251
rlm@466 252 (defn music-step [sound-base-address wave-duty noise?]
rlm@432 253 ;; C == current-ticks
rlm@432 254 ;; A == desired-ticks
rlm@435 255
rlm@435 256 (flatten
rlm@435 257 [;; restore variables from stack
rlm@435 258 0xE1 ;; pop HL
rlm@435 259 0xC1 ;; pop CB
rlm@435 260 0xF1 ;; pop AF
rlm@432 261
rlm@435 262
rlm@435 263 0xF5 ;; push A
rlm@417 264 0xF0
rlm@432 265 0x05 ;; load current ticks from 0xF005
rlm@431 266 0xB8 ;;
rlm@417 267 0x30 ;; increment C only if last result caused carry
rlm@417 268 0x01
rlm@418 269 0x0C
rlm@417 270
rlm@417 271 0x47 ;; update sub-ticks (A->B)
rlm@417 272
rlm@417 273 0xF1 ;; pop AF, now A contains desired-ticks
rlm@417 274
rlm@417 275 0xB9 ;; compare with current ticks
rlm@417 276
rlm@417 277 ;; if desired-ticks = current ticks
rlm@417 278 ;; go to next note ; set current set ticks to 0.
rlm@417 279
rlm@466 280 (if noise?
rlm@466 281 [0x20
rlm@466 282 (+ 2 (count (play-noise)))
rlm@466 283 (play-noise)]
rlm@466 284
rlm@466 285 [0x20
rlm@466 286 (+ (count (do-message 0 0)) 2)
rlm@466 287 (do-message sound-base-address wave-duty)])
rlm@417 288
rlm@417 289 0x0E
rlm@435 290 0x00 ;; 0->C (current-ticks)
rlm@417 291
rlm@435 292 ;; save variables to stack
rlm@435 293 0xF5 ;; push AF
rlm@435 294 0xC5 ;; push CB
rlm@435 295 0xE5 ;; push HL
rlm@435 296
rlm@435 297
rlm@435 298 ]))
rlm@435 299
rlm@435 300 (def music-1 0x11)
rlm@434 301 (def music-2 0x16)
rlm@434 302
rlm@461 303 (defn music-kernel [wave-duty-1 wave-duty-2]
rlm@417 304 (flatten
rlm@432 305 [;; global initilization section
rlm@432 306 (clear-music-registers)
rlm@432 307
rlm@417 308 0x3E
rlm@418 309 0x01
rlm@417 310 0xE0
rlm@417 311 0x06 ;; set TMA to 0
rlm@417 312
rlm@417 313 0x3E
rlm@423 314 (Integer/parseInt "00000110" 2)
rlm@417 315 0xE0
rlm@423 316 0x07 ;; set TAC to 65536 Hz and activate timer
rlm@417 317
rlm@435 318 ;; initialize frame 1
rlm@432 319 0x21
rlm@432 320 0x00
rlm@437 321 0xA0 ;; set HL to 0xA000 == music-start 1
rlm@432 322 0x0E
rlm@432 323 0x00 ;; 0->C
rlm@432 324 0x06
rlm@432 325 0x00 ;; 0->B
rlm@435 326
rlm@433 327 0xAF ;; 0->A
rlm@432 328
rlm@435 329 0xF5 ;; push AF
rlm@435 330 0xC5 ;; push CB
rlm@435 331 0xE5 ;; push HL
rlm@432 332
rlm@435 333 ;; initialize frame 2
rlm@436 334 0x21
rlm@436 335 0x00
rlm@437 336 0xB0 ;; set HL to 0xB000 == music-start 2
rlm@436 337
rlm@436 338 0xF5 ;; push AF
rlm@436 339 0xC5 ;; push CB
rlm@436 340 0xE5 ;; push HL
rlm@436 341
rlm@436 342
rlm@466 343 ;; initialize frame 3 (noise)
rlm@466 344 0x21
rlm@466 345 0x00
rlm@466 346 0xA9 ;; 0xA9OO -> HL
rlm@466 347
rlm@466 348 0xF5 ;; push AF
rlm@466 349 0xC5 ;; push CB
rlm@466 350 0xE5 ;; push HL
rlm@466 351
rlm@437 352 ;; main music loop
rlm@437 353
rlm@466 354 0xE8 ;; SP + 12; activate frame 1
rlm@466 355 12
rlm@466 356 (music-step music-1 wave-duty-1 false)
rlm@435 357
rlm@437 358 0xE8 ;; SP - 6; activate frame 2
rlm@437 359 (->signed-8-bit -6)
rlm@466 360 (music-step music-2 wave-duty-2 false)
rlm@466 361
rlm@466 362 0xE8 ;; SP - 6; activate frame 3
rlm@466 363 (->signed-8-bit -6)
rlm@466 364 (music-step nil nil true)
rlm@424 365
rlm@417 366 0x18
rlm@437 367 (->signed-8-bit (+
rlm@437 368 ;; two music-steps
rlm@466 369 (- (* 2 (count (music-step 0 0 false))))
rlm@466 370 (- (count (music-step nil nil true)))
rlm@437 371 -2 ;; this jump instruction
rlm@437 372 -2 ;; activate frame 1
rlm@437 373 -2 ;; activate frame 2
rlm@466 374 -2 ;; activate frame 3
rlm@437 375 ))]))
rlm@417 376
rlm@424 377 (defn frequency-code->frequency
rlm@424 378 [code]
rlm@424 379 (assert (<= 0 code 2047))
rlm@424 380 (/ 131072 (- 2048 code)))
rlm@424 381
rlm@424 382 (defn clamp [x low high]
rlm@424 383 (cond (> x high) high
rlm@424 384 (< x low) low
rlm@424 385 true x))
rlm@424 386
rlm@424 387 (defn frequency->frequency-code
rlm@424 388 [frequency]
rlm@424 389 (clamp
rlm@424 390 (Math/round
rlm@424 391 (float
rlm@424 392 (/ (- (* 2048 frequency) 131072) frequency)))
rlm@424 393 0x00 2048))
rlm@424 394
rlm@424 395 (defn note-codes [frequency volume duration]
rlm@424 396 (assert (<= 0 volume 0xF))
rlm@430 397 (if (<= duration 0xFF)
rlm@430 398 (let [frequency-code
rlm@430 399 (frequency->frequency-code frequency)
rlm@430 400 volume&high-frequency
rlm@430 401 (+ (bit-shift-left volume 4)
rlm@430 402 (bit-shift-right frequency-code 8))
rlm@430 403 low-frequency
rlm@430 404 (bit-and 0xFF frequency-code)]
rlm@430 405 [note-code
rlm@430 406 volume&high-frequency
rlm@430 407 low-frequency
rlm@430 408 duration])
rlm@430 409 (vec
rlm@430 410 (flatten
rlm@430 411 [(note-codes frequency volume 0xFF)
rlm@430 412 (note-codes frequency volume (- duration 0xFF))]))))
rlm@430 413
rlm@424 414
rlm@427 415 (defn midi-code->frequency
rlm@427 416 [midi-code]
rlm@427 417 (* 8.1757989156
rlm@427 418 (Math/pow 2 (* (float (/ 12)) midi-code))))
rlm@427 419
rlm@427 420 ;; division == clock-pulses / quarter-note
rlm@427 421 ;; tempo == microseconds / quarter-note
rlm@427 422
rlm@427 423 ;; have: clock-pulses
rlm@427 424 ;; want: seconds
rlm@427 425
rlm@427 426
rlm@428 427 (defn silence [length]
rlm@428 428 {:frequency 1
rlm@428 429 :duration length
rlm@428 430 :volume 0})
rlm@427 431
rlm@466 432 (defn commands
rlm@466 433 "return all events where #(= (:command %) command)"
rlm@466 434 [command s]
rlm@466 435 (filter #(= command (:command %)) s))
rlm@466 436
rlm@462 437 (defn track-info [#^File midi-file]
rlm@462 438 (let [events (parse-midi midi-file)
rlm@462 439 track-titles (commands :Title_t events)
rlm@462 440 track-info
rlm@462 441 (map #(read-string (read-string (:args %))) track-titles)
rlm@462 442 track-map
rlm@462 443 (zipmap track-info track-titles)]
rlm@462 444 track-map))
rlm@462 445
rlm@462 446 (defn target-tracks
rlm@462 447 "return the track-numbers in the form [voice-0 voice-1 noise]"
rlm@462 448 [#^File midi-file]
rlm@462 449 (let [track-data (track-info midi-file)
rlm@462 450 track-order
rlm@462 451 (zipmap (map :out (keys track-data))
rlm@462 452 (vals track-data))
rlm@462 453 channel-nums (map (comp :channel track-order) (range 3))]
rlm@462 454 channel-nums))
rlm@438 455
rlm@438 456 (defn midi-track->mini-midi [#^File midi-file track-num]
rlm@427 457 (let [midi-events (parse-midi midi-file)
rlm@427 458
rlm@438 459 note-on-events (commands :Note_on_c midi-events)
rlm@438 460 note-off-events (commands :Note_off_c midi-events)
rlm@427 461
rlm@438 462 select-channel
rlm@438 463 (fn [n s]
rlm@462 464 (sort-by :time (filter #(= n (:channel %)) s)))
rlm@438 465
rlm@438 466 channel-on (select-channel track-num note-on-events)
rlm@427 467
rlm@438 468 channel-off (select-channel track-num note-off-events)
rlm@427 469
rlm@438 470
rlm@438 471 tempo (:args (first (commands :Tempo midi-events)))
rlm@438 472 division
rlm@438 473 (:division (:args (first (commands :Header midi-events))))
rlm@428 474
rlm@428 475 notes
rlm@428 476 (map
rlm@428 477 (fn [note-on note-off]
rlm@428 478 {:frequency (midi-code->frequency (:note (:args note-on)))
rlm@428 479 :duration
rlm@428 480 (/ (* (/ tempo division)
rlm@428 481 (- (:time note-off) (:time note-on)))
rlm@428 482 1e6) ;; convert clock-pulses into seconds
rlm@428 483 :volume (int (/ (:velocity (:args note-on)) 10))
rlm@428 484 :time-stamp (/ (* (/ tempo division)
rlm@428 485 (:time note-on)) 1e6)})
rlm@438 486 channel-on channel-off)
rlm@428 487
rlm@428 488 silences
rlm@428 489 (map (fn [note-1 note-2]
rlm@428 490 (let [note-1-space (- (:time-stamp note-2)
rlm@428 491 (:time-stamp note-1))
rlm@428 492 note-1-length (:duration note-1)]
rlm@428 493 (silence (- note-1-space note-1-length))))
rlm@428 494 ;; to handle silence at the beginning.
rlm@428 495 (concat [(assoc (silence 0)
rlm@428 496 :time-stamp 0)] notes)
rlm@428 497 notes)
rlm@428 498
rlm@428 499 notes-with-silence
rlm@456 500 (concat
rlm@456 501 (filter (comp not zero? :duration)
rlm@456 502 (interleave silences notes))
rlm@456 503 [(silence 3)])]
rlm@456 504
rlm@456 505 (map
rlm@456 506 (fn [note-event]
rlm@456 507 (note-codes (:frequency note-event)
rlm@456 508 (:volume note-event)
rlm@456 509 (int (* (:duration note-event) 0x100))))
rlm@456 510 notes-with-silence)))
rlm@456 511
rlm@438 512 (defn midi->mini-midi [#^File midi-file]
rlm@462 513 (let [targets (target-tracks midi-file)
rlm@462 514 get-track (fn [n]
rlm@462 515 (if (not (nil? n))
rlm@462 516 (midi-track->mini-midi midi-file n)
rlm@463 517 []))
rlm@463 518 duty-info (keys (track-info midi-file))]
rlm@463 519
rlm@462 520 {:voice-1 (get-track (nth targets 0))
rlm@462 521 :voice-2 (get-track (nth targets 1))
rlm@463 522 :noise (get-track (nth targets 2))
rlm@463 523 :duty (zipmap (map :out duty-info)
rlm@464 524 (map #(get % :duty 0) duty-info))}))
rlm@438 525
rlm@438 526 (defn play-midi [#^File midi-file]
rlm@438 527 (let [track-1-target 0xA000
rlm@438 528 track-2-target 0xB000
rlm@438 529 program-target 0xC000
rlm@438 530 mini-midi (midi->mini-midi midi-file)
rlm@461 531 long-silence (flatten (note-codes 20 0 9001))
rlm@463 532
rlm@463 533 voice-1 (flatten (:voice-1 mini-midi))
rlm@464 534 wave-duty-1 ((:duty mini-midi) 0 0)
rlm@463 535
rlm@463 536 voice-2 (flatten (:voice-2 mini-midi))
rlm@464 537 wave-duty-2 ((:duty mini-midi) 1 0)
rlm@466 538
rlm@466 539 noise (flatten (:noise mini-midi))
rlm@461 540 ]
rlm@438 541
rlm@438 542 (-> (second (music-base))
rlm@438 543 (set-memory-range track-1-target long-silence)
rlm@438 544 (set-memory-range track-2-target long-silence)
rlm@463 545 (set-memory-range track-1-target voice-1)
rlm@463 546 (set-memory-range track-2-target voice-2)
rlm@461 547 (set-memory-range
rlm@461 548 program-target
rlm@461 549 (music-kernel wave-duty-1 wave-duty-2))
rlm@438 550 (PC! program-target))))
rlm@438 551
rlm@424 552 (def C4 (partial note-codes 261.63))
rlm@424 553 (def D4 (partial note-codes 293.66))
rlm@424 554 (def E4 (partial note-codes 329.63))
rlm@424 555 (def F4 (partial note-codes 349.23))
rlm@424 556 (def G4 (partial note-codes 392))
rlm@424 557 (def A4 (partial note-codes 440))
rlm@424 558 (def B4 (partial note-codes 493.88))
rlm@424 559 (def C5 (partial note-codes 523.3))
rlm@424 560
rlm@430 561 (def scale
rlm@430 562 (flatten
rlm@430 563 [(C4 0xF 0x40)
rlm@430 564 (D4 0xF 0x40)
rlm@430 565 (E4 0xF 0x40)
rlm@430 566 (F4 0xF 0x40)
rlm@430 567 (G4 0xF 0x40)
rlm@430 568 (A4 0xF 0x40)
rlm@430 569 (B4 0xF 0x40)
rlm@430 570 (C5 0xF 0x40)]))
rlm@424 571
rlm@418 572 (defn play-music [music-bytes]
rlm@417 573 (let [program-target 0xC000
rlm@437 574 music-target 0xA000]
rlm@417 575 (-> (set-memory-range (second (music-base))
rlm@417 576 program-target (music-kernel))
rlm@417 577 (set-memory-range music-target music-bytes)
rlm@417 578 (PC! program-target))))
rlm@417 579
rlm@417 580 (defn run-program
rlm@418 581 ([program]
rlm@417 582 (let [target 0xC000]
rlm@417 583 (-> (set-memory-range (second (music-base))
rlm@417 584 target program)
rlm@417 585 (PC! target)))))
rlm@417 586
rlm@424 587 (defn test-timer []
rlm@424 588 (flatten
rlm@424 589 [0x3E
rlm@424 590 0x01
rlm@424 591 0xE0
rlm@424 592 0x06 ;; set TMA to 0
rlm@424 593
rlm@424 594 0x3E
rlm@424 595 (Integer/parseInt "00000100" 2)
rlm@424 596 0xE0
rlm@424 597 0x07 ;; set TAC to 16384 Hz and activate timer
rlm@424 598
rlm@424 599 (repeat
rlm@424 600 500
rlm@424 601 [0xF0
rlm@424 602 0x05])]))
rlm@426 603
rlm@426 604