Summary of Contents for A2 SD Music+
- Page 1 Music+ Music+ Music+ Music+ user user user user s manual s manual s manual s manual Music+ Music+ Music+ Music+ user user user user ’ s manual s manual s manual s manual ’ \tÇ ^|Å http:/ / www.apple2.net...
- Page 2 Prologue Prologue • Our APPLE II has a speaker and can make some simple sound and CPU must handle every t ics for tone, Due to these difficulties, new sound card appeared name of Mocking board I, I I, A,C but, so long time ago and discontinued. During long time, It was my the only sound card for APPLE II and I can’...
- Page 3 Introduction Introduction SD Music+ SD Music+ is 2nd version of SD Music card. is 2nd version of SD Music card. SD Music+ SD Music+ is 2nd version of SD Music card. is 2nd version of SD Music card. It has enhanced mockingboard channels for great music. It has enhanced mockingboard channels for great music.
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Page 4: Installation
Installation Installation ☞ ☞ ☞ ☞ WARNING WARNING WARNING WARNING • Before to connect SD Music+, Please unplug power cord unplug power cord unplug power cord unplug power cord both APPLE II and your Audio amplifier. • SLOT# 4 is recommanded cause some of game just try to detect mockingboard existance on SLOT# 4 but works also another slot if game S/ W could select slot# of mockingboard. - Page 5 Music+ connector and switches Music+ connector and switches A P P L E ] [ S p e a k e r E n a b l e / D i s a b l e 3 . 5 m m A u d i o o u t j a c k Music Instruments SW LED while on Active...
- Page 6 Music instrument assign Utility Music instrument assign Utility You can find image file which is a utility for assign music instruments of SD Music+. • You need to transfer this utility disk to your real APPLE II via ADT or SD DISK] [ Emulator.
- Page 7 Music instrument configuration Music instrument configuration Simply key- in channel number to change music instruments Then use arrow key(<- >)to select music instruments then Press Enter. Thant’s all.. If you want exit, just press ESC.. Recommended to remove switch block to avoid resetting again while the Power ON APPLE II.
- Page 8 Sound channel Sound channel • Mocking board II,A,C are have total 6 channels and each chann el assigned to SD Music+ as below. < < < < Switch block Switch block Switch block Switch block for maximum instruments for maximum instruments for maximum for maximum instruments instruments>...
- Page 9 Channels assign Channels assign • Maximum 8 music instruments are assigned for each 6 mocking board channels. Each music instrument assigned in 1 to 6 and t wo more music instruments are used as chorus on 1 and 2 (No Switch block) So it would be 1(7),2(8),3,4,5,6 •...
- Page 10 Simple BASIC source code for Simple BASIC source code for Instruments assign Instruments assign You can use this source code for your SD Music+. You need to insert SD music+ slot in # 4 Simple put channel number then Music instruments number. If channel number is ‘...
- Page 11 Tip for music instruments Tip for music instruments Two type of Music instrument are using on SD Music+. One is concurrent • sounding instrument and the other is short period sounding instruments and SD Music+ have major 1(7),2(8),3,4,5,6 channels and 7,8 channels are behind of 1st and 2nd channel.
- Page 12 Return to default instruments Return to default instruments Mode selection is following by switch block position as below. • 1 1 1 1 - - - - 2 2 2 2 3 : One music instrument used(Clarinet). Little similar as the Mockingboard sound. (2 noise channel, no sub instrument) 2 2 2 2 - - - - 3 3 3 3 : Set to SD Music+ instruments to default.
- Page 13 Music instruments channel status Music instruments channel status Switch block on Switch block on Switch block on Switch block on 1 1 1 1 - - - - 2 2 2 2 (Left) (Left) (Left) (Left) Switch block on Switch block on Switch block on Switch block on 2 2 2 2 - - - - 3 3 3 3...
- Page 14 List of Music instruments List of Music instruments Concurrent sound Short sound User define(Noise) User define(Noise) User define(Noise) User define(Noise)
- Page 15 Control as mocking board Control as mocking board To control mocking board, you need to know how to use 6522. Mock To control mocking board, you need to know how to use 6522. Mock To control mocking board, you need to know how to use 6522. Mock To control mocking board, you need to know how to use 6522.
- Page 16 IO Address and diagram IO Address and diagram • Mocking Mocking Mocking Mocking board board board- - - - II,A,C have two board II,A,C have two II,A,C have two AY3 II,A,C have two AY3- - - - 8910 8910 8910. 8910 –...
- Page 17 Direct control of YM2413 Direct control of YM2413 SD Music SD Music+ + + + also occupied same address as Mocking board. It occupied $Cn0x t $Cn0x t • SD Music SD Music $Cn0x t $Cn0x t o o o o $Cn8x but only $Cn8x but only has has one timer and IRQ interrupt.
- Page 18 Sample Mockingboard routine Sample Mockingboard routine • INIT ; Init of 6522 (once required) INIT ; Init of 6522 (once required) INIT ; Init of 6522 (once required) INIT ; Init of 6522 (once required) LDA # $FF STA DDRA; $C403 LDA # $07 STA DDRB;...
- Page 19 6522 Register table 6522 Register table...
- Page 20 8910 Register table 8910 Register table...
- Page 21 YM2413 Register map YM2413 Register map...
- Page 22 Register of YM2413 for User define Register of YM2413 for User define and percussive instruments and percussive instruments $0E: Percussion instrument • ON/ OFF $36~ $38; Sound level of • percussion instrument.
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Page 23: Other Information
Other information Other information • SD MUSIC+ used Ym2413(OPLL) for sound generation • AVR Atmega128 used as main controller. • Mocking board compatible 6 channel to mapped music instruments. • SD Music+ has no speech capability. • Limited envelope support. •... - Page 24 Compare to PSG(AY3 8910) Compare to PSG(AY3 8910) • I'm writing this who doesn't understand why SD Music+ doesn't play for nice cybernetic song on Mocking board and it need to explain the reason why It doesn't and if it is bugs? •...
- Page 25 Other information Other information • SD MUSIC+ used a Y Y Y Y M M M M 2413(OPLL) 2413(OPLL) 2413(OPLL) 2413(OPLL) for sound generation • AVR Atmega128 used for main controller. • Mocking board compatible with channel mapped music instruments. •...