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ym26112 driver

patch
b1ackmai1er 3 years ago
parent
d062b4345d
commit
be8177b8a4
4 changed files with 640 additions and 284 deletions
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  1. 15
      Source/Doc/Architecture.md
  2. 5
      Source/HBIOS/hbios.asm
  3. 1
      Source/HBIOS/hbios.inc
  4. 903
      Source/HBIOS/ym2612.asm

15
Source/Doc/Architecture.md
View File

@ -1398,7 +1398,7 @@ Increase by steps of 4 to select the next corresponding note.
Increase by steps of 48 to select the same note in next octave.
If the driver is able to generate the requested note, a success (0) is
returned, otherwise a non-zero error state will be returned.
returned, otherwise a non-zero error value will be returned.
The sound chip resolution and its oscillator limit the range and
accuracy of the notes played. The typical range of the AY-3-8910
@ -1443,7 +1443,7 @@ the following HBIOS calls would need to be made:
```
HBIOS B=51 C=00 L=80 ; Set volume to half level
HBIOS B=53 C=00 L=69 ; Select Middle C (C4) assuming SN76489
HBIOS B=53 C=00 HL=152 ; Select Middle C (C4)
HBIOS B=54 C=00 D=01 ; Play note on Channel 1
```
@ -1518,6 +1518,8 @@ AUDIO ID | Value | Device | Returned registers
SND_SN76489 | 0x01 | SN76489 | E: Left channel port, L: Right channel port
SND_AY38910 | 0x02 | AY-3-8910 | D: Address port, E: Data port
SND_BITMODE | 0x03 | I/O PORT | D: Address port, E: Bit mask
SND_YM2612 | 0x04 | YM2612 | D: Part 0 Address port, E: Part 0 Data port
| | | H: Part 1 Address port, L: Part 1 Data port
### Function 0x56 -- Sound Duration (SNDDUR)
@ -1547,10 +1549,10 @@ and then return.
| _Exit Results_
| A: Status (0=OK, else error)
| D: Serial Device Type
| E: Serial Device Number
| H: Serial Device Unit Mode
| L: Serial Device Unit I/O Base Address
| D: Sound Device Type
| E: Sound Device Number
| H: Sound Device Unit Mode
| L: Sound Device Unit I/O Base Address
Reports information about the sound device unit specified. Register D
indicates the device type (driver) and register E indicates the physical
@ -1565,6 +1567,7 @@ _Id_ | _Device Type / Driver_
0x00 | SN76489
0x10 | AY38910
0x20 | BITMODE
0x30 | YM2612
`\clearpage`{=latex}

5
Source/HBIOS/hbios.asm
View File

@ -3725,7 +3725,7 @@ SND_ADDENT:
; WORD UNIT SPECIFIC DATA (TYPICALLY A DEVICE INSTANCE DATA ADDRESS)
;
SND_FNCNT .EQU 8 ; NUMBER OF SND FUNCS (FOR RANGE CHECK)
SND_MAX .EQU 4 ; UP TO 4 UNITS
SND_MAX .EQU 5 ; UP TO 4 UNITS
SND_SIZ .EQU SND_MAX * 4 ; EACH ENTRY IS 4 BYTES
;
.DB SND_FNCNT ; SND FUNCTION COUNT (FOR RANGE CHECK)
@ -3737,7 +3737,7 @@ SND_TBL .FILL SND_SIZ,0 ; SPACE FOR ENTRIES
; SPEAKER BEEP ROUTINE
;==================================================================================================
;
; ROUTINE TO BEEP THE DEAULT SOUND UNIT
; ROUTINE TO BEEP THE DEFAULT SOUND UNIT
; NEED TO CHECK FOR EXISTENCE OF SOUND UNIT
; WHICH CHANNEL SHOULD BE USED? IS THERE A GOOD DEFAULT CHANNEL?
;
@ -7041,6 +7041,7 @@ PS_SDSND .TEXT "SND$"
PS_SDSN76489 .TEXT "SN76489$"
PS_SDAY38910 .TEXT "AY-3-8910$"
PS_SDBITMODE .TEXT "I/O PORT$"
PS_SDYM2612 .TEXT "YM2612$"
;
; 0 1 2 3 4 5 6 7
; 01234567890123456789012345678901234567890123456789012345678901234567890123456789

1
Source/HBIOS/hbios.inc
View File

@ -333,6 +333,7 @@ VDADEV_VGA .EQU $40 ; ECB VGA3 - HITACHI HD6445
SNDDEV_SN76489 .EQU $00
SNDDEV_AY38910 .EQU $10
SNDDEV_BITMODE .EQU $20
SNDDEV_YM2612 .EQU $30
;
; HBIOS CONTROL BLOCK OFFSETS
; WARNING: THESE OFFSETS WILL CHANGE SIGNIFICANTLY BETWEEN RELEASES

903
Source/HBIOS/ym2612.asm
View File

@ -1,319 +1,670 @@
;======================================================================
; YM2612 sound driver
;
; WRITTEN BY: PHIL SUMMERS
;======================================================================
;
; PRESENTLY THIS IS JUST A STUB TO MUTE OUTPUT
;------------------------------------------------------------------------------
; YM2612 sound driver
; Written by: Phil Summers (b1ackmailer) difficultylevelhigh@gmail.com
;
;======================================================================
;
;======================================================================
;------------------------------------------------------------------------------
; References:
; https://www.smspower.org/maxim/Documents/YM2612
; https://plutiedev.com/blog/20200103
; https://www.plutiedev.com/ym2612-registers
; https://en.wikipedia.org/wiki/Scientific_pitch_notation
;------------------------------------------------------------------------------
; Octave range is A#0-B7+3/4 HBIOS note 0..343
;------------------------------------------------------------------------------
;
YMSEL .EQU VGMBASE+00H ; Primary YM2162 11000000 a1=0 a0=0
YMDAT .EQU VGMBASE+01H ; Primary YM2162 11000001 a1=0 a0=1
YM2SEL .EQU VGMBASE+02H ; Secondary YM2162 11000010 a1=1 a0=0
YM2DAT .EQU VGMBASE+03H ; Secondary YM2162 11000011 a1=1 a0=1
;------------------------------------------------------------------------------
; Device capabilities and configuration
;------------------------------------------------------------------------------
;
YM_CLR .EQU FALSE ; Set to clear all registers
YM_TONECNT .EQU 6 ; Count number of tone channels
YM_NOISECNT .EQU 0 ; Count number of noise channels
;
YM_PENDING_PERIOD .DW 0 ; PENDING PERIOD (12 BITS) ; ORDER
YM_PENDING_VOLUME .DB 0 ; PENDING VOL (8 BITS) ; SIGNIFICANT
YM_PENDING_DURATION .DW 0 ; PENDING DURATION (16 BITS)
YM_READY .DB 0 ; BIT 0 -> NZ DRIVER IS READY TO RECEIVE PLAY COMMAND
; BIT 1 -> NZ EXECUTING WITHIN TIMER HANDLER = DO NOT DIS/ENABLE INT
YM_RDY_RST .DB 0 ; FLAG INDICATES IF DEVICE IS IN READY (NZ) OR RESET STATE (Z)
;
;------------------------------------------------------------------------------
; YM2162 Mute
; Driver function table and instance data
;------------------------------------------------------------------------------
;
YM2612_INIT: ld hl,s1 ; Start of register list to write
ld b,+(s2-s1)/2
pt1: call set1 ; [1]
djnz pt1
ld b,+(s3-s2)/2
pt2: call set2 ; [2]
djnz pt2
ld b,+(s4-s3)/2
pt3: call set1 ; [1]
djnz pt3
ld b,+(s5-s4)/2
pt4: call set2 ; [2]
djnz pt4
YM_FNTBL: .DW YM_RESET
.DW YM_VOLUME
.DW YM_PERIOD
.DW YM_NOTE
.DW YM_PLAY
.DW YM_QUERY
.DW YM_DURATION
.DW YM_DEVICE
;
#IF (($ - YM_FNTBL) != (SND_FNCNT * 2))
.ECHO "*** INVALID SND FUNCTION TABLE ***\n"
!!!!!
#ENDIF
;
YM_IDAT .EQU 0 ; NO INSTANCE DATA FOR THIS DEVICE
;
YM_DURATION
ret
set1: ld a,(hl) ; YM2162 Register write
inc hl ; Register bank [1]
out (YMSEL),a
ld a,(hl)
;------------------------------------------------------------------------------
; YM2162 Initialization
; Announce device on console.
; Setup function tables. Setup the device.
; Set volume off.
; Return initialization status
;------------------------------------------------------------------------------
;
YM2612_INIT: CALL NEWLINE ; ANNOUNCE
PRTS("YM:$")
;
PRTS(" IO=0x$")
LD A,YMSEL
CALL PRTHEXBYTE
;
LD IY, YM_IDAT ; SETUP FUNCTION TABLE
LD BC, YM_FNTBL ; POINTER TO INSTANCE DATA
LD DE, YM_IDAT ; BC := FUNCTION TABLE ADDRESS
CALL SND_ADDENT ; DE := INSTANCE DATA PTR
;
YM_INIT: ld hl,ym_cfg
; call ym_prog
; ret
;
;------------------------------------------------------------------------------
; Program ym2612 with a list of register entries
;------------------------------------------------------------------------------
;
ym_prog: ld c,(hl) ; get port address
inc hl
ld d,(hl) ; count of pairs
inc hl
out (YMDAT),a
push bc
ld b,0 ; check
set1a: in a,(YMSEL) ; device
rlca ; ready
jp nc,set1b ; with
djnz set1a ; timeout
; timed out
set1b: pop bc
ret
;
set2: ld a,(hl) ; YM2162 Register write
inc hl ; Register Bank [2]
out (YM2SEL),a
ld a,(hl)
t_loop: ld a,(hl) ; get register to write
out (c),a
; call PRTHEXBYTE
inc hl
out (YM2DAT),a
push bc ; check
ld b,0 ; device
set2a: in a,(YM2SEL) ; ready
rlca ; with
jp nc,set2b ; timeout
djnz set2a
; timed out
set2b: pop bc
inc c
ld a,(hl) ; get value to write
out (c),a
; call PRTHEXBYTE
ld b,0 ; check device
nready1: in a,(c) ; ready with timeout
rlca ;
jr nc,ready1 ; bits 7 = busy
djnz nready1
;
; timed out
;
ready1: inc hl
dec c
dec d
jr nz,t_loop
;
ld a,(hl) ; end flag?
or a
jr nz,ym_prog ; no? restart
ret
;
;------------------------------------------------------------------------------
; Sound driver function - QUERY and subfunctions
;------------------------------------------------------------------------------
;
YM_QUERY: LD A, E
CP BF_SNDQ_CHCNT ; SUB FUNCTION 01
JR Z, YM_QUERY_CHCNT
;
CP BF_SNDQ_VOLUME ; SUB FUNCTION 02
JR Z, YM_QUERY_VOLUME
;
CP BF_SNDQ_PERIOD ; SUB FUNCTION 03
JR Z, YM_QUERY_PERIOD
;
CP BF_SNDQ_DEV ; SUB FUNCTION 04
JR Z, YM_QUERY_DEV
;
OR $FF ; SIGNAL FAILURE
RET
;
YM_QUERY_CHCNT: LD BC,(YM_TONECNT*256)+YM_NOISECNT
XOR A ; RETURN NUMBER OF TONE AND NOISE
RET ; NOISE CHANNELS IN BC
;
YM_QUERY_PERIOD:LD HL, (YM_PENDING_PERIOD) ; RETURN 16-BIT PERIOD
XOR A ; IN HL REGISTER
RET
;
YM_QUERY_VOLUME:LD A, (YM_PENDING_VOLUME) ; RETURN 8-BIT VOLUME
LD L, A ; IN L REGISTER
XOR A
; LD H, A
RET
;
YM_QUERY_DEV: LD B, SNDDEV_YM2612 ; RETURN DEVICE IDENTIFIER
LD DE, +(YMSEL*256)+YMDAT ; AND ADDRESS AND DATA PORT
LD HL, +(YM2SEL*256)+YM2DAT
XOR A
RET
;
;------------------------------------------------------------------------------
; Sound driver function - DEVICE
;------------------------------------------------------------------------------
;
YM_DEVICE: LD D,SNDDEV_YM2612 ; D := DEVICE TYPE
LD E,0 ; E := PHYSICAL UNIT
LD C,$00 ; C := DEVICE TYPE
LD H,0 ; H := MODE
LD L,YMSEL ; L := BASE I/O ADDRESS
XOR A
RET
;
;------------------------------------------------------------------------------
; Sound driver function - RESET
; Initialize device. Set volume off. Reset volume and tone variables.
;------------------------------------------------------------------------------
;
YM_RESET: ;CALL AY_CHKREDY ; RETURNS TO OUR CALLER IF NOT READY
;
PUSH DE
PUSH HL
CALL YM_INIT ; SET DEFAULT CHIP CONFIGURATION
;
XOR A ; SIGNAL SUCCESS
LD (YM_RDY_RST),A ; IN RESET STATE
LD (YM_PENDING_VOLUME),A ; SET VOLUME TO ZERO
LD H,A
LD L,A
LD (YM_PENDING_PERIOD),HL ; SET TONE PERIOD TO ZERO
;
POP HL
POP DE
RET
;
;------------------------------------------------------------------------------
; Sound driver function - VOLUME
;------------------------------------------------------------------------------
;
YM_VOLUME: LD A,L ; SAVE VOLUME
LD (YM_PENDING_VOLUME),A
XOR A ; SIGNAL SUCCESS
RET
;
;------------------------------------------------------------------------------
; Sound driver function - NOTE
;------------------------------------------------------------------------------
;
YM_NOTE: ;CALL PRTHEXWORDHL
;CALL PC_COLON
s1: .db $22,$00 ; [1] lfo off
LD DE,40 ; Calculate the ym2612 block (octave)
ADD HL,DE ; This will go into b13-b11
LD DE,48 ; HL / DE
CALL DIV16 ; BC = block (octave) HL = quarter semitone note
;
ADD HL,HL
LD DE,ym_notetable ; point HL to frequency entry
ADD HL,DE ; for the quarter semitone note
.db $27,$00 ; [1] Disable independant Channel 3
.db $28,$00 ; [1] note off ch 1
.db $28,$01 ; [1] note off ch 2
.db $28,$02 ; [1] note off ch 3
.db $28,$04 ; [1] note off ch 4
.db $28,$05 ; [1] note off ch 5
.db $28,$06 ; [1] note off ch 6
.db $2b,$00 ; [1] dac off
;CALL PRTHEXWORDHL
;CALL PC_COLON
;CALL PRTHEXWORD
;CALL PC_COLON
;
LD A,C ; SHIFT OCTAVE INTO RIGHT POSITION
ADD A,A ; X2
ADD A,A ; X4
ADD A,A ; X8 -NEEDS TO BE OR'ED WITH HIGH BYTE
;
LD E,(HL) ; COMBINE FREQUENCY ENTRY
INC HL ; AND BLOCK (OCTAVE) IN HL
OR (HL)
LD H,A
LD L,E
.db $b4,$00 ; [1] sound off ch 1-3
;CALL PRTHEXWORDHL
;
;------------------------------------------------------------------------------
; Sound driver function - PERIOD
; The format for setting frequency on the ym2612 is 00xxxyyy-yyyyyyyy
; Where xxx us the octave and yyy-yyyyyyyy is the frequency
;------------------------------------------------------------------------------
;
YM_PERIOD: LD A, H ; IF ZERO - ERROR
OR L
JR Z, YM_PERIOD1
;
LD A, H ; MAXIMUM TONE PERIOD IS 11-BITS
AND 11000000B ; ALLOWED RANGE IS 0001-07FF (2047)
JR NZ, YM_PERIOD1 ; AND 3 BITS FOR OCTAVE (7)
LD (AY_PENDING_PERIOD), HL ; RETURN NZ IF NUMBER TOO LARGE
RET ; SAVE AND RETURN SUCCESSFUL
;
YM_PERIOD1: LD A, $FF ; REQUESTED PERIOD IS LARGER
LD (AY_PENDING_PERIOD), A ; THAN THE DEVICE CAN SUPPORT
LD (AY_PENDING_PERIOD+1), A; SO SET PERIOD TO FFFF
RET ; AND RETURN FAILURE
;
;------------------------------------------------------------------------------
; Sound driver function - PLAY
; D = CHANNEL
;------------------------------------------------------------------------------
;
YM_PLAY: LD A,(YM_RDY_RST) ; IF STILL IN RESET
OR A ; STATE GO SETUP FOR
CALL Z,YM_MAKE_RDY ; PLAYING
;
ld hl,(AY_PENDING_PERIOD) ; GET THE PREVIOUSLY SETUP
ld de,ym_playnote+5 ; TONE DATA AND
ld a,h
ld (de),a ; PATCH IT INTO THE
inc de ; YM2612 PLAY COMMAND
inc de
ld a,l
ld (de),a
;
ld hl,ym_playnote ; NOW PLAY IT
jp ym_prog
;
;------------------------------------------------------------------------------
; Make ready for hbios play
;------------------------------------------------------------------------------
;
YM_MAKE_RDY: CPL
LD (YM_RDY_RST),A ; Invert the ready flag
ld hl,ym_cfg_ready ; Program ym2612 for playing
jp ym_prog
;
;------------------------------------------------------------------------------
; Command sequence to play a note
;------------------------------------------------------------------------------
;
ym_playnote: .db part0, 8/2
.db $28, $00 ; [0] KEY OFF
.db $A4, $3F ; [0] Frequency MSB
.db $A0, $FF ; [0] Frequency LSB
.db $28, $F0 ; [0] KEY ON
.db $00 ; End flag
;
;------------------------------------------------------------------------------
; Quarter semitone values
;------------------------------------------------------------------------------
;
ym_notetable: .dw 644 ; C ; 152
.dw 653 ; approx
.dw 663 ; approx
.dw 672 ; approx
.dw 681 ; C# ; 156
.dw 691 ; approx
.dw 702 ; approx
.dw 712 ; approx
.dw 722 ; D ; 160
.dw 733 ; approx
.dw 744 ; approx
.dw 754 ; approx
.dw 765 ; D# ; 164
.dw 776 ; approx
.dw 788 ; approx
.dw 799 ; approx
.dw 810 ; E ; 168
.dw 822 ; approx
.dw 834 ; approx
.dw 846 ; approx
.dw 858 ; F ; 172
.dw 871 ; approx
.dw 884 ; approx
.dw 897 ; approx
.dw 910 ; F# ; 176
.dw 924 ; approx
.dw 937 ; approx
.dw 951 ; approx
.dw 964 ; G ; 180
.dw 978 ; approx
.dw 993 ; approx
.dw 1007 ; approx
.dw 1021 ; G# ; 184
.dw 1036 ; approx
.dw 1051 ; approx
.dw 1066 ; approx
.dw 1081 ; A ; 188
.dw 1097 ; approx
.dw 1114 ; approx
.dw 1130 ; approx
.dw 1146 ; A# ; 192
.dw 1163 ; approx
.dw 1180 ; approx
.dw 1197 ; approx
.dw 1214 ; B ; 196
.dw 1232 ; approx
.dw 1250 ; approx
.dw 1268 ; approx
;
;------------------------------------------------------------------------------
; Register configuration data for reset state
;------------------------------------------------------------------------------
;
part0: .equ YMSEL
part1: .equ YM2SEL
;
ym_cfg: .db part0, 24/2
.db $22,$00 ; [0] lfo off
.db $27,$00 ; [0] Disable independant Channel 3
.db $28,$00 ; [0] note off ch 1
.db $28,$01 ; [0] note off ch 2
.db $28,$02 ; [0] note off ch 3
.db $28,$04 ; [0] note off ch 4
.db $28,$05 ; [0] note off ch 5
.db $28,$06 ; [0] note off ch 6
.db $2b,$00 ; [0] dac off
.db $b4,$00 ; [0] sound off ch 1-3
.db $b5,$00
.db $b6,$00
;
.db part1, 6/2
.db $b4,$00 ; [1] sound off ch 4-6
.db $b5,$00 ; [1]
.db $b6,$00 ; [1]
;
.db part0, 24/2
.db $40,$7f ; [0] ch 1-3 total level minimum
.db $41,$7f ; [0]
.db $42,$7f ; [0]
.db $44,$7f ; [0]
.db $45,$7f ; [0]
.db $46,$7f ; [0]
.db $48,$7f ; [0]
.db $49,$7f ; [0]
.db $4a,$7f ; [0]
.db $4c,$7f ; [0]
.db $4d,$7f ; [0]
.db $4e,$7f ; [0]
;
.db part1, 24/2
.db $40,$7f ; [1] ch 4-6 total level minimum
.db $41,$7f ; [1]
.db $42,$7f ; [1]
.db $44,$7f ; [1]
.db $45,$7f ; [1]
.db $46,$7f ; [1]
.db $48,$7f ; [1]
.db $49,$7f ; [1]
.db $4a,$7f ; [1]
.db $4c,$7f ; [1]
.db $4d,$7f ; [1]
.db $4e,$7f ; [1]
;
.db $00 ; End flag
;
;------------------------------------------------------------------------------
; Register configuration data for play
;------------------------------------------------------------------------------
;
ym_cfg_ready: .db part0, 20/2
.db $22, $00 ; [0] Global: LFO disable
.db $B0, $30 ; [0] Algorithm, Feedback <- pure sine wave
.db $3C, $01 ; [0] Operator 4.MUL = 1
.db $B4, $C0 ; [0] Stereo output
.db $44, $7F ; [0] Mute operator 3 <- pure sine wave
.db $4C, $00 ; [0] Max volume for operator 4
.db $5C, $1F ; [0] Operator 4.AR = shortest
.db $6C, $06 ; [0] Operator 4.D1R= 6
.db $7C, $1F ; [0] Operator 4.D2R= 31
.db $8C, $FF ; [0] Operator 4.SL = 15 / Operator4. RR=15
; .db $A4, $3F ; [0] Frequency MSB
; .db $A0, 84;$FF ; [0] Frequency LSB
; .db $28, $00 ; [0] KEY OFF
; .db $28, $F0 ; [0] KEY ON
;
.db $00 ; End flag
s2: .db $b4,$00 ; [2] sound off ch 4-6
.db $b5,$00 ; [2]
.db $b6,$00 ; [2]
;------------------------------------------------------------------------------
; Register configuration data for hard reset
;------------------------------------------------------------------------------
;
#IF (0)
ym_cfg_full: .db $22,$00 ; [0] lfo off
.db $27,$00 ; [0] Disable independant Channel 3
.db $28,$00 ; [0] note off ch 1
.db $28,$01 ; [0] note off ch 2
.db $28,$02 ; [0] note off ch 3
.db $28,$04 ; [0] note off ch 4
.db $28,$05 ; [0] note off ch 5
.db $28,$06 ; [0] note off ch 6
.db $2b,$00 ; [0] dac off
.db $b4,$00 ; [0] sound off ch 1-3
.db $b5,$00 ; [0]
.db $b6,$00 ; [0]
s2: .db $b4,$00 ; [1] sound off ch 4-6
.db $b5,$00 ; [1]
.db $b6,$00 ; [1]
s3: .db $40,$7f ; [1] ch 1-3 total level minimum
.db $41,$7f ; [1]
.db $42,$7f ; [1]
.db $44,$7f ; [1]
.db $45,$7f ; [1]
.db $46,$7f ; [1]
.db $48,$7f ; [1]
.db $49,$7f ; [1]
.db $4a,$7f ; [1]
.db $4c,$7f ; [1]
.db $4d,$7f ; [1]
.db $4e,$7f ; [1]
s3: .db $40,$7f ; [0] ch 1-3 total level minimum
.db $41,$7f ; [0]
.db $42,$7f ; [0]
.db $44,$7f ; [0]
.db $45,$7f ; [0]
.db $46,$7f ; [0]
.db $48,$7f ; [0]
.db $49,$7f ; [0]
.db $4a,$7f ; [0]
.db $4c,$7f ; [0]
.db $4d,$7f ; [0]
.db $4e,$7f ; [0]
s4:
.db $40,$7f ; [2] ch 4-6 total level minimum
.db $41,$7f ; [2]
.db $42,$7f ; [2]
.db $44,$7f ; [2]
.db $45,$7f ; [2]
.db $46,$7f ; [2]
.db $48,$7f ; [2]
.db $49,$7f ; [2]
.db $4a,$7f ; [2]
.db $4c,$7f ; [2]
.db $4d,$7f ; [2]
.db $4e,$7f ; [2]
.db $40,$7f ; [1] ch 4-6 total level minimum
.db $41,$7f ; [1]
.db $42,$7f ; [1]
.db $44,$7f ; [1]
.db $45,$7f ; [1]
.db $46,$7f ; [1]
.db $48,$7f ; [1]
.db $49,$7f ; [1]
.db $4a,$7f ; [1]
.db $4c,$7f ; [1]
.db $4d,$7f ; [1]
.db $4e,$7f ; [1]
s5:
#IF (YM_CLR)
.db $2a,$00 ; [1] ; dac value
.db $24,$00 ; [1] ; timer A frequency
.db $25,$00 ; [1] ; timer A frequency
.db $26,$00 ; [1] ; time B frequency
.db $30,$00 ; [1] ; ch 1-3 multiply & detune
.db $31,$00 ; [1]
.db $32,$00 ; [1]
.db $34,$00 ; [1]
.db $35,$00 ; [1]
.db $36,$00 ; [1]
.db $38,$00 ; [1]
.db $39,$00 ; [1]
.db $3a,$00 ; [1]
.db $3c,$00 ; [1]
.db $3d,$00 ; [1]
.db $3e,$00 ; [1]
.db $2a,$00 ; [0] ; dac value
.db $24,$00 ; [0] ; timer A frequency
.db $25,$00 ; [0] ; timer A frequency
.db $26,$00 ; [0] ; time B frequency
.db $30,$00 ; [0] ; ch 1-3 multiply & detune
.db $31,$00 ; [0]
.db $32,$00 ; [0]
.db $34,$00 ; [0]
.db $35,$00 ; [0]
.db $36,$00 ; [0]
.db $38,$00 ; [0]
.db $39,$00 ; [0]
.db $3a,$00 ; [0]
.db $3c,$00 ; [0]
.db $3d,$00 ; [0]
.db $3e,$00 ; [0]
s6:
.db $30,$00 ; [2] ch 4-6 multiply & detune
.db $31,$00 ; [2]
.db $32,$00 ; [2]
.db $34,$00 ; [2]
.db $35,$00 ; [2]
.db $36,$00 ; [2]
.db $38,$00 ; [2]
.db $39,$00 ; [2]
.db $3a,$00 ; [2]
.db $3c,$00 ; [2]
.db $3d,$00 ; [2]
.db $3e,$00 ; [2]
.db $30,$00 ; [1] ch 4-6 multiply & detune
.db $31,$00 ; [1]
.db $32,$00 ; [1]
.db $34,$00 ; [1]
.db $35,$00 ; [1]
.db $36,$00 ; [1]
.db $38,$00 ; [1]
.db $39,$00 ; [1]
.db $3a,$00 ; [1]
.db $3c,$00 ; [1]
.db $3d,$00 ; [1]
.db $3e,$00 ; [1]
s7:
.db $50,$00 ; [1] ch 1-3 attack rate and scaling
.db $51,$00 ; [1]
.db $52,$00 ; [1]
.db $54,$00 ; [1]
.db $55,$00 ; [1]
.db $56,$00 ; [1]
.db $58,$00 ; [1]
.db $59,$00 ; [1]
.db $5a,$00 ; [1]
.db $5c,$00 ; [1]
.db $5d,$00 ; [1]
.db $5e,$00 ; [1]
.db $50,$00 ; [0] ch 1-3 attack rate and scaling
.db $51,$00 ; [0]
.db $52,$00 ; [0]
.db $54,$00 ; [0]
.db $55,$00 ; [0]
.db $56,$00 ; [0]
.db $58,$00 ; [0]
.db $59,$00 ; [0]
.db $5a,$00 ; [0]
.db $5c,$00 ; [0]
.db $5d,$00 ; [0]
.db $5e,$00 ; [0]
s8:
.db $50,$00 ; [2] ch 4-6 attack rate and scaling
.db $51,$00 ; [2]
.db $52,$00 ; [2]
.db $54,$00 ; [2]
.db $55,$00 ; [2]
.db $56,$00 ; [2]
.db $58,$00 ; [2]
.db $59,$00 ; [2]
.db $5a,$00 ; [2]
.db $5c,$00 ; [2]
.db $5d,$00 ; [2]
.db $5e,$00 ; [2]
.db $50,$00 ; [1] ch 4-6 attack rate and scaling
.db $51,$00 ; [1]
.db $52,$00 ; [1]
.db $54,$00 ; [1]
.db $55,$00 ; [1]
.db $56,$00 ; [1]
.db $58,$00 ; [1]
.db $59,$00 ; [1]
.db $5a,$00 ; [1]
.db $5c,$00 ; [1]
.db $5d,$00 ; [1]
.db $5e,$00 ; [1]
s9:
.db $60,$00 ; [1] ch 1-3 decay rate and am enable
.db $61,$00 ; [1]
.db $62,$00 ; [1]
.db $64,$00 ; [1]
.db $65,$00 ; [1]
.db $66,$00 ; [1]
.db $68,$00 ; [1]
.db $69,$00 ; [1]
.db $6a,$00 ; [1]
.db $6c,$00 ; [1]
.db $6d,$00 ; [1]
.db $6e,$00 ; [1]
.db $60,$00 ; [0] ch 1-3 decay rate and am enable
.db $61,$00 ; [0]
.db $62,$00 ; [0]
.db $64,$00 ; [0]
.db $65,$00 ; [0]
.db $66,$00 ; [0]
.db $68,$00 ; [0]
.db $69,$00 ; [0]
.db $6a,$00 ; [0]
.db $6c,$00 ; [0]
.db $6d,$00 ; [0]
.db $6e,$00 ; [0]
s10:
.db $60,$00 ; [2] ch 4-6 decay rate and am enable
.db $61,$00 ; [2]
.db $62,$00 ; [2]
.db $64,$00 ; [2]
.db $65,$00 ; [2]
.db $66,$00 ; [2]
.db $68,$00 ; [2]
.db $69,$00 ; [2]
.db $6a,$00 ; [2]
.db $6c,$00 ; [2]
.db $6d,$00 ; [2]
.db $6e,$00 ; [2]
.db $60,$00 ; [1] ch 4-6 decay rate and am enable
.db $61,$00 ; [1]
.db $62,$00 ; [1]
.db $64,$00 ; [1]
.db $65,$00 ; [1]
.db $66,$00 ; [1]
.db $68,$00 ; [1]
.db $69,$00 ; [1]
.db $6a,$00 ; [1]
.db $6c,$00 ; [1]
.db $6d,$00 ; [1]
.db $6e,$00 ; [1]
s11:
.db $70,$00 ; [1] ch 1-3 sustain rate
.db $71,$00 ; [1]
.db $72,$00 ; [1]
.db $74,$00 ; [1]
.db $75,$00 ; [1]
.db $76,$00 ; [1]
.db $78,$00 ; [1]
.db $79,$00 ; [1]
.db $7a,$00 ; [1]
.db $7c,$00 ; [1]
.db $7d,$00 ; [1]
.db $7e,$00 ; [1]
.db $70,$00 ; [0] ch 1-3 sustain rate
.db $71,$00 ; [0]
.db $72,$00 ; [0]
.db $74,$00 ; [0]
.db $75,$00 ; [0]
.db $76,$00 ; [0]
.db $78,$00 ; [0]
.db $79,$00 ; [0]
.db $7a,$00 ; [0]
.db $7c,$00 ; [0]
.db $7d,$00 ; [0]
.db $7e,$00 ; [0]
s12:
.db $70,$00 ; [2] ch 4-6 sustain rate
.db $71,$00 ; [2]
.db $72,$00 ; [2]
.db $74,$00 ; [2]
.db $75,$00 ; [2]
.db $76,$00 ; [2]
.db $78,$00 ; [2]
.db $79,$00 ; [2]
.db $7a,$00 ; [2]
.db $7c,$00 ; [2]
.db $7d,$00 ; [2]
.db $7e,$00 ; [2]
.db $70,$00 ; [1] ch 4-6 sustain rate
.db $71,$00 ; [1]
.db $72,$00 ; [1]
.db $74,$00 ; [1]
.db $75,$00 ; [1]
.db $76,$00 ; [1]
.db $78,$00 ; [1]
.db $79,$00 ; [1]
.db $7a,$00 ; [1]
.db $7c,$00 ; [1]
.db $7d,$00 ; [1]
.db $7e,$00 ; [1]
s13:
.db $80,$00 ; [1] ch 1-3 release rate and sustain level
.db $81,$00 ; [1]
.db $82,$00 ; [1]
.db $84,$00 ; [1]
.db $85,$00 ; [1]
.db $86,$00 ; [1]
.db $88,$00 ; [1]
.db $89,$00 ; [1]
.db $8a,$00 ; [1]
.db $8c,$00 ; [1]
.db $8d,$00 ; [1]
.db $8e,$00 ; [1]
.db $80,$00 ; [0] ch 1-3 release rate and sustain level
.db $81,$00 ; [0]
.db $82,$00 ; [0]
.db $84,$00 ; [0]
.db $85,$00 ; [0]
.db $86,$00 ; [0]
.db $88,$00 ; [0]
.db $89,$00 ; [0]
.db $8a,$00 ; [0]
.db $8c,$00 ; [0]
.db $8d,$00 ; [0]
.db $8e,$00 ; [0]
s14:
.db $80,$00 ; [2] ch 4-6 release rate and sustain level
.db $81,$00 ; [2]
.db $82,$00 ; [2]
.db $84,$00 ; [2]
.db $85,$00 ; [2]
.db $86,$00 ; [2]
.db $88,$00 ; [2]
.db $89,$00 ; [2]
.db $8a,$00 ; [2]
.db $8c,$00 ; [2]
.db $8d,$00 ; [2]
.db $8e,$00 ; [2]
.db $80,$00 ; [1] ch 4-6 release rate and sustain level
.db $81,$00 ; [1]
.db $82,$00 ; [1]
.db $84,$00 ; [1]
.db $85,$00 ; [1]
.db $86,$00 ; [1]
.db $88,$00 ; [1]
.db $89,$00 ; [1]
.db $8a,$00 ; [1]
.db $8c,$00 ; [1]
.db $8d,$00 ; [1]
.db $8e,$00 ; [1]
s15:
.db $90,$00 ; [1] ch 1-3 ssg-eg
.db $91,$00 ; [1]
.db $92,$00 ; [1]
.db $94,$00 ; [1]
.db $95,$00 ; [1]
.db $96,$00 ; [1]
.db $98,$00 ; [1]
.db $99,$00 ; [1]
.db $9a,$00 ; [1]
.db $9c,$00 ; [1]
.db $9d,$00 ; [1]
.db $9e,$00 ; [1]
.db $90,$00 ; [0] ch 1-3 ssg-eg
.db $91,$00 ; [0]
.db $92,$00 ; [0]
.db $94,$00 ; [0]
.db $95,$00 ; [0]
.db $96,$00 ; [0]
.db $98,$00 ; [0]
.db $99,$00 ; [0]
.db $9a,$00 ; [0]
.db $9c,$00 ; [0]
.db $9d,$00 ; [0]
.db $9e,$00 ; [0]
s16:
.db $90,$00 ; [2] ch 4-6 ssg-eg
.db $91,$00 ; [2]
.db $92,$00 ; [2]
.db $94,$00 ; [2]
.db $95,$00 ; [2]
.db $96,$00 ; [2]
.db $98,$00 ; [2]
.db $99,$00 ; [2]
.db $9a,$00 ; [2]
.db $9c,$00 ; [2]
.db $9d,$00 ; [2]
.db $9e,$00 ; [2]
.db $90,$00 ; [1] ch 4-6 ssg-eg
.db $91,$00 ; [1]
.db $92,$00 ; [1]
.db $94,$00 ; [1]
.db $95,$00 ; [1]
.db $96,$00 ; [1]
.db $98,$00 ; [1]
.db $99,$00 ; [1]
.db $9a,$00 ; [1]
.db $9c,$00 ; [1]
.db $9d,$00 ; [1]
.db $9e,$00 ; [1]
s17:
.db $a0,$00 ; [1] ch 1-3 frequency
.db $a1,$00 ; [1]
.db $a2,$00 ; [1]
.db $a4,$00 ; [1]
.db $a5,$00 ; [1]
.db $a6,$00 ; [1]
; .db $a8,$00 ; [1] ch 3 special mode
; .db $a9,$00 ; [1]
; .db $aa,$00 ; [1]
; .db $ac,$00 ; [1]
; .db $ad,$00 ; [1]
; .db $ae,$00 ; [1]
.db $a0,$00 ; [0] ch 1-3 frequency
.db $a1,$00 ; [0]
.db $a2,$00 ; [0]
.db $a4,$00 ; [0]
.db $a5,$00 ; [0]
.db $a6,$00 ; [0]
; .db $a8,$00 ; [0] ch 3 special mode
; .db $a9,$00 ; [0]
; .db $aa,$00 ; [0]
; .db $ac,$00 ; [0]
; .db $ad,$00 ; [0]
; .db $ae,$00 ; [0]
s18:
.db $a0,$00 ; [2] ch 4-6 frequency
.db $a1,$00 ; [2]
.db $a2,$00 ; [2]
.db $a4,$00 ; [2]
.db $a5,$00 ; [2]
.db $a6,$00 ; [2]
; .db $a8,$00 ; [2] ch 3 special mode
; .db $a9,$00 ; [2]
; .db $aa,$00 ; [2]
; .db $ac,$00 ; [2]
; .db $ad,$00 ; [2]
; .db $ae,$00 ; [2]
.db $a0,$00 ; [1] ch 4-6 frequency
.db $a1,$00 ; [1]
.db $a2,$00 ; [1]
.db $a4,$00 ; [1]
.db $a5,$00 ; [1]
.db $a6,$00 ; [1]
; .db $a8,$00 ; [1] ch 3 special mode
; .db $a9,$00 ; [1]
; .db $aa,$00 ; [1]
; .db $ac,$00 ; [1]
; .db $ad,$00 ; [1]
; .db $ae,$00 ; [1]
s19:
.db $b0,$00 ; [1] ch 1-3 algorith + feedback
.db $b1,$00 ; [1]
.db $b2,$00 ; [1]
.db $b0,$00 ; [0] ch 1-3 algorith + feedback
.db $b1,$00 ; [0]
.db $b2,$00 ; [0]
s20:
.db $b0,$00 ; [2] ch 4-6 algorith + feedback
.db $b1,$00 ; [2]
.db $b2,$00 ; [2]
.db $b0,$00 ; [1] ch 4-6 algorith + feedback
.db $b1,$00 ; [1]
.db $b2,$00 ; [1]
;
.db $00 ; End flag
s21:
#ENDIF

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