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공지사항

 

Before explaining the new MIDI command,

I asked last time you to learn about Note ON and Program Change.

Have you learned it?

You need to learn this 'Note ON' and 'Program Change'

 

As you tested it, It plays one single voice.

Now You can learn how to Play more voices at the same time.

For Example, to play Do Mi Sol at the same time,

In Piano, You have to push Do, Mi, Sol at the same time.

It could achieve just Keep push Do, Mi,Sol  note at the same time.

Pressing Keyboard is the 'Note ON'.

So, you just send this MIDI data.

And if you want OFF the sound,

Just send 'Note OFF' to the channel.

 

To play Notes, You have to Know the MIDI keyboard numbers as attached.

 

Find the Do, Mi, Sol and It is 60,64,67 

So add code as under..

10 AC = 49320 

20 AD = 49321 

100 POKE AC,19: POKE AC,17 

200 POKE AD,144: POKE AD,60: POKE AD,127

210 POKE AD,144: POKE AD,64: POKE AD,127

220 POKE AD,144: POKE AD,67: POKE AD,127

 

* This 144 is 'NoteON' MIDI  command

 

And Run it

 

]RUN

 

If you want a small delay between NOTE ON

 

205 GOSUB 300

215 GOSUB 300

299 END

 

300 FOR D=1 TO 100:NEXT D

399 RETURN

 

Now, You could have step Playing notes.

 

And now, you will learn about 'Note OFF'

Note off is release your keyboard.

Note ON is pressing the keyboard now release the keyboard is Note OFF.

 

You can do it as 80h+Channel

So if you want '1st channel Note OFF'

POKE AD,128: POKE AD,64: POKE AD,127

 

Then The sound would off the keyboard.

 

Now, you learned 

Note ON

Program Change

Note OFF

and simple delay.

 

It is a very simple guide and would like this MIDI approach by BASIC code.

For more tricks, You need to learn some more about MIDI commands.

Hope you enjoy it.

 

Thanks

Ian Kim

 

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Hi Friends and customers,

 

I would like to explain how to use SD MIDI ][+ on BASIC.

SD MIDI ][+ card with a sound module, it would make a MIDI sound card for APPLE II.

But, unfortunately, APPLE II has limited Software to play MIDI sound.

SD MIDI ][+ users could play *.MID songs with MIDI Player.

And I believe that someday people would like to play MIDI card for better sound on APPLE II.

I will explain how to use SD MIDI ][+ card on BASIC in this column.

Users can use it in a straightforward way on BASIC.

Play Note and Stop the Note and with proper delay, It could be a MIDI song player.

 

Let's start to play BASIC for MIDI sound.

 

Try this code to make Sound.

*You need to key in all BASIC code, it would make you understand it.

** SD MIDI ][+ need to SLOT#2.

 

10 AC = 49320 ;Slot #2. MIDI control port

20 AD = 49321 ;Slot #2, MIDI Data port

100 POKE AC,19: POKE AC,17 ;MC 6850 init

200 POKE AD,144: POKE AD,50: POKE AD,127 ; Send data

 

]RUN

 

Can you hear any sound?

If there is no sound, try to check if card SLOT #2 and Speaker are ON.

 

If you could hear sound.. it is the easiest way to use MIDI card on your APPLE II.

And Now, let's change the musical instrument to another.

Add this code.

 

110 POKE AD,192: POKE AD,127

 

And RUN it

 

]RUN

 

And now,

What do you hear?

Did you still think making MIDI sound is hard on APPLE II?

 

Now, you need to learn the Data that it sent..

The code of POKE AD,( )

You may need to find the MIDI specification.

 

And What I tested in the code..

NOTE ON

and

Program Change

 

Thanks

 

 

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Dear Friends and Customers,

 

SD MIDI ][+ is completed and start to sell SD MIDI ][+ on eBay and here.

https://www.ebay.com/itm/284830233376?hash=item4251347320:g:yB0AAOSwCSRijxWc 

 

SD 미디 [+ (APPLEII 미디 카드) | eBay

SD MIDI][+ is compatible thePassport MIDI card and has a capable to use MIDI sound module. SD MIDI ][+. And included a SD MIDI][+ Player as bundle which can play . MID files on APPLE II. Enjoy your APPLE II again with SD MIDI ][+.

www.ebay.com

 

 

Sound recording

It has noise but this noise isn't from MIDI card It from Video capture card.

https://youtu.be/bsyhBl-0sUY

https://youtu.be/i5H97SPECXA

User's manual

 

SD MIDI II+ users manual.pdf

 

drive.google.com

Please email me for a better price than eBay.

Anyway, some countries are not available good priced shipping way.

Please also refer to the eBay item descriptions.

 

Thanks

Ian Kim

 

 

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Dear Friends and Customers,

 

The new board arrived and I'm testing it now.

https://youtu.be/ljsOEcQIxbo

 

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Dear friends and customers,

I think, I really like music on the computer. Such as FM sound and MIDI sound are good for my APPLE II life and like to think about new/better sound cards for my APPLE II.
In fact, I'm not good at the piano... my son plays better... but, still dream of playing the piano with my own song...
But I just I have some talent for making hardware but not good for playing musical instruments...  ;(
If Someone makes a good melody it would be always welcome to the world and then could play the melody on my APPLE II.

The SD MIDI II+ card was discontinued for so long time and need to make another batch for my friends and customers.

In this version of the SD MIDI ][+ would be just a little revised.

Before, I considered it a lot but, I'm not sure if someone would like my idea or just let it be a new trial for fun so just revise the version.

 

I received the prototype PCB and tested it. works as I expected.

 

 

Now, I'm thinking about which color would be good for this card...

Anyway, Please wait 2 more weeks then I could start to make the commercial cards.

Thanks for waiting.
Ian





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SD MIDI ][+ Player Version 0.2K

Supports MIDI System exclusive.

Much better on Hidden DISK Reading.

 

Thank you.

 

Demo version Download link

https://quick09.tistory.com/1510

 

SD MIDI ][+ Player V0.2H (DEMO)

Dear Customers and Friends, SD MIDI ][+ Player Version 0.2H It has enhanced Hidden Reading. System and device Requirments 1) Mininum 64KB APPLE ][ Works and tested on APPLE ][+, APPLE //e and APPLE..

quick09.tistory.com

 

 

 

--------------------------------------------------------

TESTED

 

MIDI card 

SD MIDI][+ Card

 

With DISK Emulator

SD DISK][ Emulator

SD DISK][ plus

CFFA 3000

 

Compatible System

APPLE ][+ 64K(No extra font)

APPLE //e 64KB and 128KB

APPLE IIgs ROM0 (Normal speed and Fast speed)

--------------------------------------------------------

 

 

 

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I'm using SD MIDI ][+ Player while on my resting time.

From this version it supports MIDI system exclusive.

System Exclusive is depend on the MIDI sound module but, the default given module accepting and play better. Sound became smoother..

 

I think that I've done almost of all for MIDI player.

And I need to finalize this version. just left full testing.

 

Thanks a lot

Ian Kim

 

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Dear Friends and customers,

 

SD MIDI][+ Player using three timers of SD MIDI ][+ card.

And I had a report from a user who having some tempo issue.

 

Please patch your SD MIDI ][+ card as the photo.

 

It required 3 resistors (4.7K - 10K  is good enough).

And solder the resistors as the below.

 

This Location pins are not used but, it receipt some noise.

And the Resistors will pull down the pins and set it stable.

 

Thanks a lot

Ian Kim

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Dear Customers and Friends,

 

SD MIDI ][+ Player Version 0.2H

It has enhanced Hidden Reading.

System and device Requirments

1) Mininum 64KB APPLE ][

Works and tested on APPLE ][+, APPLE //e and APPLE IIgs

2) HDD Emulator, SD DISK II or others are recommended.

FDD also works but, will have delay if song file is larger than 24KB

3) SD MIDI ][+ card or the Passport compatible MIDI card must in SLOT#2.

 

 

* Standard licensed version has no limit of MIDI file size.

* Only MIDI format 0 support. Other format of MIDI song have to converted MIDI 0 format.

   Please visit here for converter https://www.anvilstudio.com/

 

-----------For other Passport compatible MIDI card owners-----------

Please order the licensed version and send email to me.

 

* DEMO Version (It only can play upto 12KB MIDI file).

Unzip it and copy the MIDIDEMO.HDV to your HDD Emulator.

MIDIDEMO.zip
0.23MB

 

To use MIDI Player,

1) Passport compatible MIDI card must in SLOT#2

2) HDD emulator required

3) Min 64KB memory of APPLE II

 

** To SD MIDI][+ Owners **

Please email me for your license.

 

What is the SD MIDI ][+

https://quick09.tistory.com/1347

 

SD MID][+ (Passport compatible MIDI card)

Dear friends, I'm pleased to announced this new board for APPLE II enthusiasts. SD MIDI][+ card is the Passport compatible and could play on Ultima V. And having unique function such as the Bridge O..

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Thanks a lot

Ian Kim

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Dear customers and Friends,

 

SD MIDI II+ Player did update for more functions and accurate play.

 

In this version, It used a Hidden reading method when it need more data from Disk and results having seamless polaying.

And user can select own Level meter char. by pressing 'B' and 'N' on APPLE II.

Playing tempo tuned more accurate.

Just have a time to watch how it's playing as under.

https://youtu.be/3qIji9rbLL0

Thanks a lot

Ian Kim.

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Dear Friends and Customers,

 

This version optimized some more for the Level meter and added on left as a channel indicator(?).

And level meter speed was incresed and good now.

It is the best what I can do with 1Mhz 6502 APPLE II.

 

Just watch the video.

 

Thanks a lot.

 

 

 

What is the SD MIDI ][+ ?

https://quick09.tistory.com/1347

 

SD MID][+ (Passport compatible MIDI card)

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It isn't a freeware, I will provide for SD MIDI ][+ buyers for free.

It would be announced when It finished.

 

Thanks a lot;

Ian Kim

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Dear Friends and customers,

It's up to what I've been working on recently.
The biggest change in this version is the player used as far as the hardware supports it.
It support a progressive bar (level meta).
It is very tight to support this in the 1Mhz APPLE II.
It was made using even the hardware timer and interrupt supported by the SD MIDI II card.
It is quite difficult to support it.
After a lot of trial and error, I finally decided to use a timer interrupt for simultaneous processing.

 

For reference, these progressive bars are the 16 channels of MIDI, from 0 to 15 from the top.
It seems that it is too difficult to handle this with interrupts in Apple2.
It's so hard that I don't want to bother you anymore.

It works fine with or without an accelerator card but, If you use an accelerator card, the CPU load is reduced, so the tempo of the sound can come out a little more naturally. This is because the load on the interrupt side is large.

Since you have to use PRODOS, you can't completely push the IRQ routine away, so this is the best what I can do.
If I increase the speed of the progressive bar quickly, the CPU load increases, so this is the last choice.

 

it is a thankful result with APPLE II.

Now I have waht I wanted.

 

Please enjoy listening.

https://youtu.be/kf90YvsiFVc

 

 

** Some more information **

- MIDI file format 0 is supported. Other formats can be played smoothly by converting them to MIDI 0.
- There is no MIDI file size limit. However, if the file is large, a slight delay may occur. This is sometimes canceled by the internal timer when a delay occurs, but in some cases, it cannot be canceled and may exist as a sound delay.

 

It isn't a freeware sorry bout it but, I will provide SD MIDI][+ customers for free.


Thank you

Ian Kim

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Dear friends and customer,

 

I'm making MIDI Player for SD MIDI ][+ card.

I have good progess as under.

 

https://youtu.be/ZTlHt_2uXoQ

MIDI Player works on APPLE //e and APPLE ][+(64KB).

 

It isn't a freewarwe but, I will provide SD MIDI][+ buyers without charge.

 

Enjoy MIDI music on our APPLE II with SD MIDI ][+.

 

Thank you!

Ian Kim

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Dear Friends and customers,

 

I'm trying to make a MIDI Player for SD MIDI ][+ card.

It is just a testing by BASIC to check it it works .

https://youtu.be/wNLzpdOJ5Uk

After complete, I will provide it for SD MIDI ][+ buyers for free.

 

Thanks for your buying of SD MIDI ][+ card.

Ian Kim

 

 

 

 

 

 

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  1. 2021.06.15 03:09 Johnson Lam  댓글주소  수정/삭제  댓글쓰기

    Hi Ian,

    Will you still working to improve the compatibility with Music Construction Set? The card sounds not quiet right in MCS.

    Thanks.

    • 2021.06.20 16:00 신고 이안김  댓글주소  수정/삭제

      Hi,
      This is a post about MIDI cards.
      You put wrong location.
      And You are maybe talking about SD Music Deluxe card.

      The compatibility for the MCS isn't easy.
      I will check when I have a time.
      Mockingboard emulation is really very complicated and FM OPL chips can't make the same as AY3-8910.
      Anyway, I need dig more to make more similar.
      Thanks

SD MIDI ][+ launched

◆ SD MIDI ][+ / 2016. 12. 15. 11:05

Hi friends,

 

I have final commercial PCB as below.

I'm soldering boards and have to ship it to enjoy together.

I will put some on eBay for international fans or you can contact me direct for purchasing it.

 

 

Thank you very much.

Ian Kim

 

Here are some recorded sound.

 

MIDI Bridge mode 

SD MIDI ][ plus EX demo1.mp3
다운로드
SD MIDI ][ plus EX demo2.mp3
다운로드

 

Sound from Ultima 5 game.

U5 demo song.mp3
다운로드

 


** NOTICE **

 

SD MIDI Plus card had MIDI INPUT technical issue, 

If you purchased it before 24th Jan 2017, Your card may have MIDI IN issue with some of sequencer.  

(It doesn't have problem on playing Music on Ultima V)

In fact, it may avoid MIDI input error if you make a sequencer but, I recently acquire sequencer sofware the Master Tracks, It didn't work with it.

I've updated firmware and works fine.

Please contact any time to me by email(quick09@gmail.com) for free update service.

Anyway, I'm looking for good way for international previous buyer.

 

Thank you

Ian Kim

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댓글을 달아 주세요

Hi friends,

 

I'm testing SD MIDI][+ final board.

In this time, I applied DC filter and OPAMP buffer for clean sound.

Now it works very good.

 

 

I'm testing other functions and will start to sell for local fans.

 

I've recorded two songs. Please listen it :)

 

U5 song.mp3
다운로드

 

And, This song recorded from PC MIDI to APPLE IIe & SD MIDI][+ card.

You can remember this song if you were really game mania in 386 era.. :D

Intro.mp3
다운로드

 

 

Thank you very much.

Ian Kim

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SD MIDI ][ Plus

◆ SD MIDI ][+ / 2016. 11. 8. 20:31

Dear Friends,

 

SD MIDI ][ Plus card is going to complete.

This MIDI card is compatible to The Passport hence, You can play it on Ultima 5 and some other.

 

 

Now, I'm adding new features in this MIDI card.

 

1) You can insert MIDI Sound Module

If you install the MIDI Sound Module, It would work as Perfect MIDI Sound Card. Not just MIDI interface. 

2) It has MIDI Bridge mode 

It would act as an extra MIDI Sound Module. You can connect MIDI cable and it would generate Sound.

3) It would have few I/O ports.

I'm preparing 4 I/O Ports to ON/OFF (TTL Level).

 

I've tested the 2) Bridge mode

 

MIDI from PC to APPLE 2 and played on MIDI Sound Module.

war.mp3
다운로드

 

 

Maybe, I could start to sell this SD MIDI][ Plus card from end of Nov.

I will let post here and eBay when It started.

 

Thank you,

Ian Kim

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SD MIDI ][+

◆ SD MIDI ][+ / 2016. 10. 16. 15:53

Dear Friends,

 

I received PCB and soldered components.

 

This SD MIDI][+ card would have below functions.


MIDI IN/OUT: Passport MIDI card compatible.

MIDI Sound Module support

MIDI IN-> Play (Sound module required): will work as a MIDI sound module.

AUX Output Pins for special device.

I need to make firmware for it.

After some fixing bugs, I will order final board and then we could have good MIDI card for APPLE II.

 

Thanks

Ian Kim

 

 

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SD MIDI][+ card

◆ SD MIDI ][+ / 2016. 10. 4. 12:21

Dear Friends and APPLE II fans,


I've ordered PCB for SD MIDI][+ card.

It is similar as previous one but, as you expected on my products It added useful features,

1) It allow additional sound module, so MIDI card could be called as sound card.

2) It allow to MIDI IN Sound play ; It means that you can connect MIDI cable to MIDI IN of this SD MIDI][+ card, then It play sound as the external MIDI module.

I hope to like this MIDI card and those features on your APPLE ][.


I could show when I received the new PCB then could say some more for you.


Regards;

Ian Kim

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SD MIDI+

◆ SD MIDI ][+ / 2016. 8. 16. 19:48

Dear Friends,

 

SD MIDI card is developing with new features.

Now, I added a MIDI sound module in it.

and named as SD MIDI+.

 

This MIDI Sound module was suggested by Mr. Jonas and I really thanks for this information.

 

 

Music instruments are selected random anyway user can change it.

 

And I really wish to someone make good 'MIDI player' to play lots of *.MID files by APPLE II.

 

Recorded sample songs from the Ultima V.

 

stones.mp3
다운로드
GTale.mp3
다운로드
Stone1.mp3
다운로드

 

Thank you very much.

Ian Kim

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