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YM2609.txt
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YM2609.txt
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Virtual Instrument YM2609(Register Map)
Port 0 Port 1 Port 2 Port 3
__________________ __________________ __________________ __________________
$00 | SSG1 | $00 | ADPCM1 | $00 | SSG3 | $00 | ADPCM2 |
| | | | | | | |
$0F |__________________| $10 |__________________| $0F |__________________| $10 |__________________|
$10 | Rhythm | $11 | ADPCM-A | $10 | SSG4 | $11 | ADPCM3 |
| | | | | | | |
$1F |__________________| $17 |__________________| $1F |__________________| $21 |__________________|
$20 | FM | $20 | SSG2 | $20 | FM | $22 |Sys:Rev.Dep |
| (Common) | | | | (Common) | |Ins:Rev.Sl,Dis,Cho|
$2F |__________________| $2F |__________________| $2F |__________________| $2B |__________________|
$30 | FM | $30 | FM | $30 | FM | $30 | FM |
| (CH1-CH3) | | (CH4-CH6) | | (CH7-CH9) | | (CH10-CH12) |
$B6 |__________________| $B6 |__________________| $B6 |__________________| $B6 |__________________|
$C0 | Sys.Effect | $C0 | Sys.Effect | $C0 | Ins.Effect |
| 3 Band EQ | | Compressor | | HPF LPF |
$CB |__________________| $C6 |__________________| $C5 |__________________|
$CC | Reverse Phase | $C6 | Ins.Effect |
| | | Compressor |
$D8 |__________________| $CC |__________________|
Read/Write Data(SSG1:0.$00 SSG2:1.$20 SSG3:2.$00 SSG4:2.$20)
ADDR. D7 D6 D5 D4 D3 D2 D1 D0 COMMENT
_____ __________________________________________________ _______________________
| |
+00 | Fine Tune |
|__________________________________________________| Channel-A Tone Period
| | | / Duty cycle
+01 | Duty cycle | Coarse Tune |
____ |________________________|_________________________| _______________________
| |
+02 | Fine Tune |
|__________________________________________________| Channel-B Tone Period
| | | / Duty cycle
+03 | Duty cycle | Coarse Tune |
____ |________________________|_________________________| _______________________
| |
+04 | Fine Tune |
|__________________________________________________| Channel-C Tone Period
| | | / Duty cycle
+05 | Duty cycle | Coarse Tune |
____ |________________________|_________________________| _______________________
| | |
+06 |=================| Period Control | Noise Period
____ |_________________|________________________________| _______________________
| | | |
+07 |===========| /Noise | /Tone | /Enable
____ |___________|___________________|__________________| _______________________
| | | | | |
+08 | L | R |PHRST| M | Level | Channel-A Amplitude / Phase reset / Panpot
|_____|_____|_____|______|_________________________|
| | | | | |
+09 | L | R |PHRST| M | Level | Channel-B Amplitude / Phase reset / Panpot
|_____|_____|_____|______|_________________________|
| | | | | |
+0A | L | R |PHRST| M | Level | Channel-C Amplitude / Phase reset / Panpot
____ |_____|_____|_____|______|_________________________| _______________________
| |
+0B | Fine Tune |
|__________________________________________________| Envelop Period
| |
+0C | Coarse tune |
____ |__________________________________________________| _______________________
| | | | | | |
+0D | RST | User def.#(0 ~ 5) | CON | ATT | ALT | HLD | Envelop Shape Cycle
____ |_____|___________________|_____|_____|_____|______| _______________________
| |
+0E | Wave Data | Define Wave data
____ |__________________________________________________| _______________________
| | | |
+0F | Ch.(0~2) | Left Mul(0~7) | Right Mul(0~7) | Channel:2bit Left:3bit Right:3bit
____ |___________|___________________|__________________| _______________________
Duty cycle
7:1/8 6:2/8 5:3/8 4:4/8 3:5/8 2:6/8 1:7/8 duty. 0:8/8 Pure square wave.
8:Triangle Wave 9:Saw Wave 10,11,12,13,14,15:user0 ~ user5
L/R panpot
0:LR Enable 1:R Enable 2:L Enable 3:LR Enable
L(M)ul
Left Panpot Multiple 0:x1.0 1:x0.875 2:x0.750 3:x0.625 4:x0.500 5:x0.375 6:x0.250 7:x0.125
R(M)ul
Right Panpot Multiple 0:x1.0 1:x0.875 2:x0.750 3:x0.625 4:x0.500 5:x0.375 6:x0.250 7:x0.125
User define wave form(0x0E)
RST : reset setting position
User def.# : user define wave number 0 ~ 5 (select duty cycle 10~15)
Wave Data : 0 ~ 15 (Write 64 times)
ex) set user0 wave form
0x80 0x01 0x02 ... 0x0f ( 64 data )
ADPCM1:1.$00 ADPCM2:3.$00 ADPCM3:3.$11
ADDRESS REGISTER
____ ____________________
| |
+00 | CONTROL 1 |
____ |____________________|
| |
+01 | CONTROL 2 |
____ |____________________|
| |
+02 | START ADR (L) |
____ |____________________|
| |
+03 | START ADR (H) |
____ |____________________|
| |
+04 | END ADR (L) |
____ |____________________|
| |
+05 | END ADR (H) |
____ |____________________|
| |
+06 | PRESCAL (L) |
____ |____________________|
| | | | |
+07 |L(M)|R(M)|=|PRSCL(H)| L(Mul):2bit R(Mul):2bit PRESCAL(H):3bit
____ |____|____|_|________|
| |
+08 | ADPCM-DATA |
____ |____________________|
| |
+09 | DELTA-N (L) |
____ |____________________|
| |
+0A | DELTA-N (H) |
____ |____________________|
| |
+0B | EG CONTROL |
____ |____________________|
| |
+0C | LIMIT ADR (L) |
____ |____________________|
| |
+0D | LIMIT ADR (H) |
____ |____________________|
| |
+0E | DAC DATA |
____ |____________________|
| |
+0F | (PCM DATA) |
____ |____________________|
| |
+10 | FLAG CONTROL |
____ |____________________|
Extend Memory Capacity
ADPCM1:256Kbyte
ADPCM2,3:16Mbyte
Write Data (FM)
ADDR. D7 D6 D5 D4 D3 D2 D1 D0 COMMENT
_____ ________________________________ __________________________
| |
21 | Test | LSI Test Data(non impl)
|________________________________| __________________________
| | |
22 |================| LFO | LFO Freq Control
|________________|_______________| __________________________
| |
24 | Timer-A | Timer-A upper 8 bits
|________________________________| __________________________
| | |
25 |=======================|Timer-A | Timer-A lower 2 bits
|_______________________|________| __________________________
| |
26 | Timer-B | Timer-B Data
|________________________________| __________________________
| | | | |
| Mode | Reset | Enable | Load | Timer-A/B Control and
27 | | B A | B A | B A | 2 CH Mode
|________|_______|________|______| __________________________
| | | |
28 | Slot |===| CH | Key-ON/OFF
|________________|___|___________| __________________________
| |
29 | STATUS Mask |
|________________________________| __________________________
| |
2A |================================|
|________________________________| __________________________
| | | | |
2B | Wave Write Ch |DIC|WRst|WavTyp| WaveWriteCh(0-11) / set DICtionary mode / Wave Reset / Wave Type(0-3)
|________________|___|____|______| __________________________
| |
2C | Wave data(L/H) / dicNum | Write Wave data( 1024 * 2 count (L:8bit H:5bit)) / dicNum(8bit)
|________________________________| __________________________
| |
2D-2F | Prescaler | Prescaler
|________________________________| __________________________
| | | |
30-3E |WT L| DT1 | MULTI | Wave Type(L)/Detune/Multiple
|____|___________|_______________| __________________________
| | |
40-4E |WT H| TL | Wave Type(H)/Total Level
|____|___________________________| __________________________
| | | |
50-5E | KS |PRS| AR | Key Scale/Phase reset/Attack Rate
|________|___|___________________| __________________________
| | | |
60-6E | AM | DT2 | DR | AMON/DT2/Decay Rate
|____|_______|___________________| __________________________
| | |
70-7E | FB | SR | SelfFeedback(2OP-4OP)/Sustain Rate
|____________|___________________| __________________________
| | |
80-8E | SL | RR | Sustain Level/Release Rate
|________________|_______________| __________________________
| | |
90-9E | ALG Link | SSG-EG | ALG Link /SSG-Type Envelop Control
|________________|_______________| __________________________
| |
A0-A2 | F-Num 1 |
|________________________________| F-Numbers/Block
| | | |
A4-A6 | L(M) | Block | F-Num 2 |
|________|___________|___________| __________________________
| |
A8-AA | 3 CH * F-Num 1 |
|________________________________| 3 CH
| | | | F-Numbers/Block
AC-AE |========| 3CH*Block | 3CH*F-Num2| L(M)ul
|________|___________|___________| __________________________
| | | |
B0-B2 | R(M) | FB | ALG | R(M)ul/Self Feedback/Alg
|________|___________|___________| __________________________
| | | | | |
B4-B6 | L | R | AMS | AC| PMS | LR /AMS /AlgConstSw /PMS
|____|___|_______|___|___________| __________________________
DT2
OPM's DT2 Compatible
FB
OP2 - OP4's Self feed back
ALG Link bit3:Op4 bit2:Op3 bit1:Op2 bit0:Op1
ALG Construction Switch = 1.
It set Link parent Op bits.
Self number is Carrier.
L(M)ul
Left Panpot Multiple 0:x1.0 1:x0.75 2:x0.5 3:x0.25
R(M)ul
Right Panpot Multiple 0:x1.0 1:x0.75 2:x0.5 3:x0.25
AC
ALG Construction Switch.
s = Wave data
s : Range 0 ... 8191
実際(j) : -4095 ... +4095
jからsを算出するには↓
s = ( 4095 - abs( j ) ) * 2 + ( j < 0 ? 1 : 0 )
sからjを算出するには↓
j = ( s % 2 == 0 ? 1 : -1 ) * ( 4095 - abs( s / 2 ) )
wave tableの配列の大きさは1024
データは8bit(low) 5bit(high)の順で送信するため 1024 * 2 = 2048 回送信する必要がある
以上から
1. ユーザーは-4095～+4095のデータを1024個用意する必要がある
2. アプリケーションはユーザーの用意したデータjからsを算出後
２回に分けてデータを送信する
MDSound(YM2609)はそれを受け取りwave tableに設定する
channel毎に4つwave tableを定義できる
12ch * 4 * 2048 = 98304 byte
Write Data(Rhythm:0.$10-$1F)
OPNAのレジスタマップとコンパチブル
Write Data(ADPCM-A:1.$11-$17)
ADDR. D7 D6 D5 D4 D3 D2 D1 D0 COMMENT
_____ __________________________________________________ _______________________
| | | |
11 | DM |=====| KEY ON |
|_____|_____|______________________________________|
| | |
12 |===========| Total Volume |
|___________|______________________________________|
| | | 0～5(Def:0)
13 |==============================| Select Ch | $14-$17のパラメータの対象となるチャンネル番号を送る
|______________________________|___________________|
| | |
14 |=================| Volume |
|_________________|________________________________|
| | | | | |
15 | L | L(M) | R | R(M) |==============| Lswitch LMul Rswitch RMul
|_____|___________|_____|___________|______________|
| |
16 | Start Address (L,H) | 開始アドレスをLSB,HSBの順で送る
|__________________________________________________|
| |
17 | End Address (L,H) | 終了アドレスをLSB,HSBの順で送る
_____ |__________________________________________________| _______________________
Write Data(Effect:3.$22-$2B / 3.$C0-$C5)
ADDR. D7 D6 D5 D4 D3 D2 D1 D0 COMMENT
_____ __________________________________________________ _______________________
| | |
22 |=====| Reverb Delta | 0-127(Def:64(0.5秒)) 1/128 * n 秒をセット
|_____|____________________________________________|
| | | | 0-36(Def:0) 設定をするチャンネルです。Rev&Dis&Cho&HPFLPF兼用
23 |AlRst|=====| Current Channel | 0-11:FM 12-23:SSG 24-26:ADPCM 27-32:Rhythm 33-38:ADPCM-A
|_____|_____|______________________________________| AlRst:All reset
| | | 0-15(Def:0)SendLevelを送るときは
24 |========================| Reverb Send Level | Send Ch.でセットしたいチャンネル番号を送る
____ |________________________|_________________________| _______________________
| | | 0-1(Def:0)ディストーションのスイッチです。
25 |D.Sw | Distortion OutputLevel | 0-127(Def:32)ディストーションの音量です。
|_____|____________________________________________| 物凄く大きな音がでるので32以上は注意です。
| | | 0-127(Def:64)ディストーションのゲインです。
26 |=====| Distortion Gain |
|_____|____________________________________________|
| | | 0-127(Def:64)ディストーションに使用するハ
27 |=====| Distortion CutOffFrq | イパスフィルターのカットオフ周波数です。
____ |_____|____________________________________________| _______________________
| | | 0-1(Def:0)コーラスのスイッチです。
28 |C.Sw | Chorus MixLevel | 0-127(Def:40)コーラスのかかり具合です。
|_____|____________________________________________|
| | | 0-127(Def:24)コーラスの揺らぎの間隔です。
29 |=====| Chorus rate |
|_____|____________________________________________|
| | | 0-127(Def:3)コーラスの揺らぎの深さです。
2A |=====| Chorus depth |
|_____|____________________________________________| _______________________
| | | 0-127(Def:40)コーラスのフィードバック量です。
2B |=====| Chorus feedback |
____ |_____|____________________________________________| _______________________
| |
C0 | LPF Sw | 0-1(Def:0) 0:off 1:on
|__________________________________________________|
| |
C1 | LPF Freq | 0-255(Def:126) 1 ～ 38500Hz
|__________________________________________________|
| |
C2 | LPF Q | 0-255(Def:67) 0.1 ～ 20.0
____ |__________________________________________________| _______________________
| |
C3 | HPF Sw | 0-1(Def:0) 0:off 1:on
|__________________________________________________|
| |
C4 | HPF Freq | 0-255(Def:126) 1 ～ 38500Hz
|__________________________________________________|
| |
C5 | HPF Q | 0-255(Def:67) 0.1 ～ 20.0
____ |__________________________________________________| _______________________
Write Data(System Effect(3 band EQ):0.$C0-$CB)
ADDR. D7 D6 D5 D4 D3 D2 D1 D0 COMMENT
_____ __________________________________________________ _______________________
| |
C0 | low switch | 0-1(Def:0) 0:off 1:on
|__________________________________________________|
| |
C1 | low freq | 0-255(Def:126) 1 ～ 38500Hz
|__________________________________________________|
| |
C2 | low gain | 0-255(Def:141) -20 ～ +19.84375
|__________________________________________________|
| |
C3 | low Q | 0-255(Def:67) 0.1 ～ 20.0
____ |__________________________________________________| _______________________
| |
C4 | mid switch | 0-1(Def:0) 0:off 1:on
|__________________________________________________|
| |
C5 | mid freq | 0-255(Def:162) 1 ～ 38500Hz
|__________________________________________________|
| |
C6 | mid gain | 0-255(Def:102) -20 ～ +19.84375
|__________________________________________________|
| |
C7 | mid Q | 0-255(Def:67) 0.1 ～ 20.0
____ |__________________________________________________| _______________________
| |
C8 | high switch | 0-1(Def:0) 0:off 1:on
|__________________________________________________|
| |
C9 | high freq | 0-255(Def:192) 1 ～ 38500Hz
|__________________________________________________|
| |
CA | high gain | 0-255(Def:154) -20 ～ +19.84375
|__________________________________________________|
| |
CB | high Q | 0-255(Def:67) 0.1 ～ 20.0
____ |__________________________________________________| _______________________
Write Data(System Effect(Compressor):1.$C0-$C6)
ADDR. D7 D6 D5 D4 D3 D2 D1 D0 COMMENT
_____ __________________________________________________ _______________________
| | | 0-1 Comp.Sw. (Def:0)
C0 |C.Sw | Volume | 0-127 Comp.Vol.(Def:0)
|_____|____________________________________________|
| |
C1 | threshold | 0-255: 0.1 - 1.0
|__________________________________________________|
| |
C2 | ratio | 0-255: 2.0 - 10.0
____ |__________________________________________________| _______________________
| |
C3 | envelope Freq | 0-255: 0.19 - 50 (Hz)
|__________________________________________________|
| |
C4 | envelope Q | 0-255: 0-21
____ |__________________________________________________| _______________________
| |
C5 | gain Freq | 0-255: 0.19 - 50 (Hz)
|__________________________________________________|
| |
C6 | gain Q | 0-255: 0 - 21
____ |__________________________________________________| _______________________
Tables
Freq Table (LPF / HPF / EQ low / EQ mid / EQ high)
0 : 1 Hz
1 : 2 Hz
... (+1Hz)
94 : 95 Hz
95 : 96 Hz
96 : 100 Hz
97 : 110 Hz
... (+10Hz)
158 : 720 Hz
159 : 730 Hz
160 : 800 Hz
161 : 900 Hz
... (+100Hz)
222 : 7000 Hz
223 : 7100 Hz
224 : 7500 Hz
225 : 8500 Hz
... (+1000Hz)
254 : 37500 Hz
255 : 38500 Hz
Gain Table (LPF / HPF / EQ low / EQ mid / EQ high)
0 : -20
1 : -19.84375
2 : -19.6875
... (+0.15625)
126 : -0.3125
127 : -0.15625
128 : 0
129 : 0.15625
130 : 0.3125
... (+0.15625)
254 : 19.6875
255 : 19.84375
Q Table (LPF / HPF / EQ low / EQ mid / EQ high)
0 : 0.01041667
1 : 0.02083333
...(+0.01041667)
93 : 0.9791667
94 : 0.9895833
95 : 1
96 : 1.104167
97 : 1.208333
...(+0.104166)
189 : 10.79167
190 : 10.89583
191 : 11
192 : 11.15625
193 : 11.3125
...(+0.15625)
254 : 20.84375
255 : 21
Write Data(ReversePhase:0.$CC-$D9)
ADDR. D7 D6 D5 D4 D3 D2 D1 D0 COMMENT
_____ ________________________________________________ _______________________
| | | | | | | |
CC |===========| L3 | R3 | L2 | R2 | L1 | R1 | SSG1:1-3: 0:OFF 1:Reverse
|___________|_____|_____|_____|_____|_____|_____|
| | | | | | | |
CD |===========| L | R | L | R | L | R | SSG2:1-3: 0:OFF 1:Reverse
|___________|_____|_____|_____|_____|_____|_____|
| | | | | | | |
CE |===========| L | R | L | R | L | R | SSG3:1-3: 0:OFF 1:Reverse
|___________|_____|_____|_____|_____|_____|_____|
| | | | | | | |
CF |===========| L | R | L | R | L | R | SSG4:1-3: 0:OFF 1:Reverse
|___________|_____|_____|_____|_____|_____|_____|
| | | | | | | |
D0 |===========| L | R | L | R | L | R | FM1 :1-3: 0:OFF 1:Reverse
|___________|_____|_____|_____|_____|_____|_____|
| | | | | | | |
D1 |===========| L | R | L | R | L | R | FM1 :4-6: 0:OFF 1:Reverse
|___________|_____|_____|_____|_____|_____|_____|
| | | | | | | |
D2 |===========| L | R | L | R | L | R | FM2 :1-3: 0:OFF 1:Reverse
|___________|_____|_____|_____|_____|_____|_____|
| | | | | | | |
D3 |===========| L | R | L | R | L | R | FM2 :4-6: 0:OFF 1:Reverse
|___________|_____|_____|_____|_____|_____|_____|
| | | | | | | |
D4 |===========| L3 | R3 | L2 | R2 | L1 | R1 | Rhythm:1-3: 0:OFF 1:Reverse
|___________|_____|_____|_____|_____|_____|_____|
| | | | | | | |
D5 |===========| L6 | R6 | L5 | R5 | L4 | R4 | Rhythm:4-6: 0:OFF 1:Reverse
|___________|_____|_____|_____|_____|_____|_____|
| | | | | | | |
D6 |===========| L | R | L | R | L | R | ADPCM-A:1-3: 0:OFF 1:Reverse
|___________|_____|_____|_____|_____|_____|_____|
| | | | | | | |
D7 |===========| L | R | L | R | L | R | ADPCM-A:4-6: 0:OFF 1:Reverse
|___________|_____|_____|_____|_____|_____|_____|
| | | | | | | |
D8 |===========| L | R | L | R | L | R | ADPCM1/2/3: 0:OFF 1:Reverse
|___________|_____|_____|_____|_____|_____|_____|
Write Data(Effect:3.$C6-$CC)
ADDR. D7 D6 D5 D4 D3 D2 D1 D0 COMMENT
_____ __________________________________________________ _______________________
| | | 0-1(Def:0)コンプレッサーのスイッチです
C6 |C.Sw | Volume | 0-127(Def:)
|_____|____________________________________________|
| |
C7 | threshold | 0-255: 0.1 - 1.0
|__________________________________________________|
| |
C8 | ratio | 0-255: 2.0 - 10.0
____ |__________________________________________________| _______________________
| |
C9 | envelope Freq | 0-255: 0.19 - 50 (Hz)
|__________________________________________________|
| |
CA | envelope Q | 0-255: 0-21
____ |__________________________________________________| _______________________
| |
CB | gain Freq | 0-255: 0.19 - 50 (Hz)
|__________________________________________________|
| |
CC | gain Q | 0-255: 0 - 21
____ |__________________________________________________| _______________________
Effect Diaglom
Ch.Ins.Effect Sys.Effect
____________ ____________ ____________ ____________ ____________ ____________ ____________
| | | | | | | Ch.Ins. | | | | 3 band EQ | | Sys. |
| Distorsion | --> | Chorus | --> | LPF > HPF | --> | Compressor | -+-> | Reverb | --> | l > m > h | --> | Compressor |
|____________| |____________| |____________| |____________| | |____________| |____________| |____________|
.
. other Ch.Ins.Effect