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공지사항

This version properly works FDD mode on APPLE IIGS(Fast).

 

 

<Enhanced>

Speed up on Reading file LIST. 

More than 256 files reading was slow but, much faster now.

I did test it with 1,530 files and took 4.8Sec to read on APPLE //e and ][+, (IIGS Fastmode is faster).

 

<Image List Sort>

Menu program showing as followed this image group (no naming sort).

1) Volume/Directories first

2) HDD images(HDV or 2MG or PO no internal sort)

3) FDD images (NIB or DSK no internal sort) 

 

 

Firmware tested on APPLE ][+, //e, IIGS ROM1

Tested card version; SD DISK][ plus V2.49A, V2.5A, and V2.46.

 

<Restriction>

* HDD disk D1 and D2, It should be in the same directory.

* FDD disk file D1 and D2 could be different but, reading only.

  If it needs to write, It should be in the same directory.

  Power ON Boot will search image file for D1 and D2 in a Boot Directory.

  But, If you load a FDD file in the menu, you can use but, only Read purpose. Because the Write process will search in the directory update the file.   (These restrictions is due to the MPU RAM size)

 

Firmware Download

SDBIOS.ROM
0.11MB

To update firmware, please refer to the user's manual.

 

Thank you

Ian Kim

Posted by Ian Kim 이안김

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  1. 2020.05.26 21:42 신고 Ian Kim 이안김  댓글주소  수정/삭제  댓글쓰기

    I'm receiving error report. if you have error, pls let me know to fix it.
    Thanks
    Ian Kim

  2. 2020.05.26 21:43 신고 Ian Kim 이안김  댓글주소  수정/삭제  댓글쓰기

    If you are not sure this new firmware work for your card.., pls remember.your previous firmware version to roll back..

 

This version patched below.

If you just changed the mode without select any file, it causes boot failure.

In this case, SD Disk][ will use as a Boot image from the previously selected one.

 

Changed

(1) When it updates the file list, it shows 'Updating..' on the file list window.

(2) When FDD image loading, Menu waited until to finish but now it doesn't wait but show 'updating..' on drive name and it will be updated when it finished the loading. 

And if more commands to the SD DISK II before to complete, it will wait until finished.

(3) FDD D1 & D2 images will load while Power ON Boot.ing.  Some games need two diskettes and it would work without select 2nd image again.

 

Thanks a lot;

Ian Kim

 

*old version removed. Please use a newer one.

Posted by Ian Kim 이안김

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  1. 2020.05.25 13:36 신고 Ian Kim 이안김  댓글주소  수정/삭제  댓글쓰기

    * Help;
    Press [LEFT APPLE] + <- -> or Up Down
    It will do as PAGE UP / DOWN.

Dear customers and friends,

 

I just updated the firmware of SD DISK][ plus card.

It works on APPLE ][+, //e and IIgs.

 

And file limit increase to 1,535 files.

So in one directory file can show up to 1,535 files.

maybe it's enough but, If user requests for no limit..? then I will consider next time.

Directory file list taking a few seconds if files are many.

 

Changed

- Fixed Garbage letters on File List.

- Show Firmware Version

- SD Memory card hot-swap and press [ESC] two times then you can have a new file list on the SD memory card.

- File LIST speed much faster than the previous version.

- More file indicator '+' shows such as the Elevator. it shows, there are some more files.

- '~' font doesn't Inverse. (There is no INVERSE font of '~' on APPLE II)

 

Here is the menu screen on APPLE //e.

 

And on APPLE ][+

To Enter the menu,

 

Press 'S' key while Power ON your APPLE II.

 

Known Issue

FDD menu boot fails on APPLE IIgs. You need to PR#6 or Reset the SD DISK II on LCD DIal.

I'm investigating it.

 

How to update the firmware? (Please refer the manual)

Copy the firmware on root in SD Memory card.

Power ON and Press EXIT + SELECT Button then release it. 

It will check the system and update it to the new firmware.

 

if you have any concerns, please let me know.

 

Thank you;

Ian Kim

 

"Please download Newer version"

 

 

Posted by Ian Kim 이안김

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Dear friends and customers,

From V2.7x, It enhanced HDD speed and fixed some bugs for APPLE IIgs (GSOS will boot properly).

 

(1) HDD R/W routine applied ASM routine and faster and HDD access speed +23%.

     Internal Cache enhanced, R/W cache works better and faster.

(2) FDD loading speed slightly faster.

(3) APPLE IIgs HDD access faster

(4) New BIOS ROM(chip type) V1.84 support. (HDD Speed up; +20%); for this, you need to order new ROM chip or ROM re-write by ROM Writer (please ask me the ROM code).

 

This V2.70c version fixed some issues on APPLE IIgs.

The boot menu properly works on APPLE IIgs(Tested ROM1).

This program required above 65C02 CPU hence, old APPLE ][ or ][+ doesn't work.

In my case, I replace CPU 65c02 on APPLE][+ and results. Working.. :)

Anyway APPLE //e enhanced and platinum works.

 

I will update the firmware code for 6502 CPU for APPLE ][,][+ and non-enhanced APPLE //e.

 

And We have changed some compare to V2.70b.

 

1) You can see this message if the menu can start (Only Power ON boot can see it)

'[S] SETUP MENU FOR SD DISK]['  

 

2) Menu program recognizes PO image if it is for HDD or FDD.

So users can select PO image to HDD or FDD.

 

3) [Q] QUIT support

Why does it need?

If you need to write FDD or HDD image, It required the file in the current directory.

But, if you move to another location, it can't update the image file when it write so the writing would fail.

[Q]uit selection will just Exit the menu and stay current directory and data write could be updated into the given file.

 

4) FDD D2: support power ON pre-loading.

I removed it because of FDD loading takes time to start booting. but, for your convenience, It supports from this version.

 

* Known issues

(1)Occasionally, On file list, it shows garbages. I'm checking why it happens.

(2)Fast speed mode on APPLE IIgs, The FDD boot may fail. You may need to reboot manually.

Normal speed mode doesn't have this issue. I'm working to solve it.

 

*Others

Test version support up to 40 files only (included directory).

This version tested on SD DISK][ plus card (Earlier version not yet tested).

 

Any issues or strange things, please let me know to change or fix it.

 

Thanks & Regards;

Ian Kim

 

 

 

* Please download a newer version.

Thanks

Posted by Ian Kim 이안김

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Dear friends and customers,

 

I'm glad to announce this new firmware of SD DISK II plus emulator card.

This version of firmware is designed for easy to handle image files for SD DISK II plus emulator.

Please download the attached file and perform the firmware updates on your SD DISK II plus.

 

- Simple way to Update

1) Download and Copy the SDBIOS.ROM file into SD memory card Root directory.
2) Keep press EXIT and DIAL button and Power ON your APPLE IIe
3) Wait until to finish
4) Then Power OFF your APPLE IIe


I didn't test it on SD DISK][ emulator(earlier version) yet.
This Power ON menu works on APPLE //e with 65C02 CPU system. Other 6502 CPU APPLE II may not work.

 

Power ON your APPLE II and for the Menu, Press 'S' (it will wait for 1 sec)

Then you can see the menu screen.

 

Refer the * HELP * for the hot key.
* Pressing Left [APPLE] and <- -> / UP Down will work as Page UP/Down


- This version is a testing version.
- Files and Directory can show 40 files only in this version.


If you have any concerns, please let me know.

Thanks & Regards;
Ian Kim

 

 

 

 

Posted by Ian Kim 이안김

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  1. 2020.05.19 01:11 신고 Ian Kim 이안김  댓글주소  수정/삭제  댓글쓰기

    Remind.
    it works only APPLE IIe platinum and enhance model other model wouldn't work the menu and or stop when fdd boot.

I'm focusing to develop new firmware for SD DISK II Emulator.

After this firmware SD DISK II would have a better BOOT ON menu.

Now It shows SD Memory card images as under.

it isn't done yet so, I just working to show files and Directory navigation only.

 

Please wait for new firmware for SD DISK II (Plus) Emulator.

Thank you Very much.

Ian Kim

Posted by Ian Kim 이안김

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GSOS 6.0.2

◆ SD DISK II Emulator / 2019. 6. 25. 16:57

Here is GSOS 6.0.2 for SD DISKII plus and Smart Driver.

GSOS602.zip
0.45MB

 

Enjoy it.

Thanks

 

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Posted by Ian Kim 이안김

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Dear customer,

 

SD DISKII Plus firmware updated.

It supports FDD and HDD unloading function by dial properly and fixed minor bugs.

 

Exit button added a short delay.

Some message shorten.

 

* For unloading present image,

Press SELECT (Dial)button long time then It would be unloaded present selected drive.

This Unloading care the LED status(Drive 1 or Drive2)

If you want to unload drive 1, Please select drive 1 and LED status.

It will erase a present booting file if selected Drive 1. 

If you have any request, of bugs, please let me know.

 

Thank you very much,

Ian Kim

 

** How to update firmware **

 

WARNING

Your APPLE][ must not fail electric power while the firmware updating.  

If this happens, the SD Disk][ may fail restart, or won't be able to update firmware anymore.

In this case, You need to return the board to me for re-programming. 

If you are ready to upgrade, please read first and follow below carefully

 

1) Copy new firmware(SDBIOS.ROM) to ROOT directory of SD memory card.

2) Push SELECT(YES) and EXIT button simultaneously, then power ON the APPLE][

3) Then release buttons, some seconds later then You will see as 'system check..................................' on LCD and S/W terminal screen.

4) A while later, SD DISKII plus will restart automatically.

7) Power OFF and ON and enjoy it.

 

SDBIOS.ROM
114.9 kB

 

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Posted by Ian Kim 이안김

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Dear customers,


Please refer this users manual for V2.49A.

But even if older version you can refer the manual.

If you have any question, please email me.


Thanks a lot

Ian Kim




SD DISK][ Plus users manual.pdf


Posted by Ian Kim 이안김

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New Firmware file


SDBIOS.ROM


What's new


Support PO image files on FDD mode only.

Other minor bug fixed.

Some of new function is testing...


How to update firmware

 

WARNING

Your APPLE][ must not fail electric power while the firmware updating.  

If this happens, the SD Disk][ may to fail restart, or you won't be able to update firmware anymore.

In this case, please return the board to me for re-programming. (Free of charge to fix this issue but all shipping costs will be your responsibility).

If you are ready to upgrade, please read first and follow below carefully

 

1) Power OFF the APPLE][ and open the cover.

2) Eject SD Memory card

3) Copy new firmware(SDBIOS.ROM) to ROOT directory.

4) Push Dial button(YES) +Exit button simultaneously, then power ON the APPLE][

5) Then release button some seconds later then You will see as 'system check..................................' on LCD and S/W terminal screen.

6) A while later, SD DISK][ Emulator will restart automatically.

7) Power OFF/ON your APPLE II and enjoy it.


Thank you

Ian Kim




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Posted by Ian Kim 이안김

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Dear customers,


This is new firmware for SD DISKII Plus(only).

In this version, SD DISKII plus supports *.PO FDD image files.

Also it fixed some minor bug.

Please refer the manual to update it.


If you have any concern, Please let me know.

SDBIOS.ROM


Thank you very much;

Ian Kim


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Posted by Ian Kim 이안김

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Hi Friends,


I would like to add PO image format support on SD DISKII Plus.

In fact, the PO format is almost similar as 'DSK' format. 

and Just rename PO file to DSK, It would work.

It just has different sector order for prodos but, DOS3.3 also can read it.

IBM PC HDD using this idea as the interleave.

Anyway, I add converter function in it.

It works now and will include into new release firmware version.


Thank you;

Ian Kim




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Posted by Ian Kim 이안김

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Dear friends,


This is the manual for SD DISK][ Plus.



Manual updated.

*Emulation mode change was missing on Manual.


SD DISK][ Plus users manual.pdf


Please let me know if you have question or suggestion.

Thank you very much.

Ian Kim



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Posted by Ian Kim 이안김

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New SD DISK II Emulator, SD DISK][ plus emulator is going to finish.

It is final testing board and working fine.


What is differences,


SD DISK][ Emulator is first my board for DISK II replacement and HDD emulation with SD card.

This new version is SD DISK ][ Plus , Optimized circuits and have wide compatibility.

Works good on APPLE ][,][+,//e, IIgs (Except APPLE I and APPLE IIc/IIc+(no Slot))

It emulate two 32MB HDD or two 5.25" FDD.


HDD mode demo


https://www.youtube.com/watch?v=7P8yiHr51mo


Thank you;

Ian Kim



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Posted by Ian Kim 이안김

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It would be an another SD DISK Emulator.

Used an ARM 32bits processor and CPLD.

I will show what is different compare to previous one.

It would be very interesting project for me.


Keep watching it. :)


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Posted by Ian Kim 이안김

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This is new SD DISK II Emulator plus testing version.

I'm testing it on  APPLE IIe in that time

Emulate as two HDD with unlimited HDD image replace capability.

Emulate as tow FDD (DISKII) with unlimited HDD image replace capability.

Used Angled connector for LCD Dial controller.

Change seldom using serial pins to upper location.

Still ready for Bluetooth serial dongle.


Tested on APPLE ][+ FDD emulation works

Tested on APPLE //e HDD and FDD emulation works

Tested on APPLE IIGS HDD and FDD emulation works


It works but, It has slight different compare to 5V CPLD version.

Stability little different not very good on my testing.

It rarely error about 1% while reading.

I will try to make it as perfect as previous testing version.

Keep watching it.

It is almost finished.


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Posted by Ian Kim 이안김

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  1. 2017.03.08 13:36 신고 Ian Kim 이안김  댓글주소  수정/삭제  댓글쓰기

    I found the reason of the 1% error. It was due to the timing of sending data.
    And I decided to change this code in ASM for perfect syncing with APPLE II..
    Now, I just need time to complete it.
    Thank you.

Hi friends,


This is new version of SD DISK II Emulator for APPLE2 computer.



This version changed components and optimized for less soldering error.

The total chips counts are lessen for less complication. (I really hard to make previous version)

ROM changed to another type (PLCC) and it would safer even send it by the POST.

Other small chips optimized into CPLD so, simpler and less time consume to make it.

LED changed to surface type; it looks better.

Connector for Dial was changed angle; it wouldn't interfere to other neighbor board in slot.

BIOS Switch Omitted; Automatic ON and OFF.


It works on


APPLE ][ & APPLE ][ plus (previous version had FDD write issue but, It works good now)

APPLE II (APPLE 2e normal version)

APPLE //e (APPLE 2e enhanced and platinum)

APPLE IIGS


No configuration or mode changed required for all APPLE II 

Just Insert it in slot#6 and connect dial controller..

Then Turn it ON and select your favorite DISK image file for your favor.

It would be announced on eBay about 3 weeks later.


Previous version owner still can use newer firmware without change.

I will work for it.


Thanks for waiting

Ian Kim

Posted by Ian Kim 이안김

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Hi, Friends,


Newer version of SD DISK ][ emulator is preparing.



This is DISK emulator works fine on APPLE II+, //e and IIGS.

Previous version is much complex and used several chips so it results hard to make and may have some faulty.

And previous version doesn't work well of FDD writing on APPLE II plus this issue is shows on original APPLE II plus not on APPLE IIe nor IIGS.


Now, it is simpler and more reliable and flexible cause of the Xilinx CPLD.


Firmware 100% compatible to previous version of SD DISK II Emulator. 

User can use without care for the version.

I need some more job and need some more days to complete it.


You can also see it on eBay when It ready to sale.


Thank you;

Ian Kim


Posted by Ian Kim 이안김

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Dear customers,


I have some user who like to use SD DISK II emulator on their APPLE II plus.

I tried to remove the FDD issue but, there is some tricky timing issue of SD DISK II card.

Hence, I skipped the hang issue for APPLE II plus.

This issue doesn't have on APPLE IIe or IIGS only can see some APPLE II or II plus.

Please use this firmware to able to use FDD.

This patch is deactivate FDD write update to image file then works FDD function.

Just it doesn't update image file evenif wrote the FDD.

Some days ago, I just has original APPLE II plus and can see the issue.

(I had APPLE II plus clone. it doesn't have this issue so, I can't aware where the issue came from.. sorry for this)

Please use this BIOS for APPLE II or II plus only.

Other model users no need to use it.

I will announce if i have better fixed version.


SDBIOS.ROM


Thank you

Ian Kim



Posted by Ian Kim 이안김

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If you install the DISK II Emulator on your APPLE IIGS, 

You have to adjust slot configuration to 'your card'.


This is the best manual for APPLE IIGS users.


If you need to slot setup on your IIGS, 

Please refer the below and the given links for more information about APPLE IIGS.


Thanks




Getting to the Control Panel Program

To get to the Control Panel Program, turn on the Apple IIGS power switch and press Option-Control-Reset. You'll see Figure A-1.

Figure A-1
Gateway to the Control Panel Program

Press 1 to enter the Control Panel. The only time you should choose a menu item other than 1 is if you need to restore the standard Control Panel settings for the U.S. (press 2) or if you change your mind about entering the Control Panel (press 4).


Important

Do not press 3 unless you are operating your Apple IIGS in a country where the standard signal frequency for monitors Is 50 hertz. If you choose the wrong hertz setting. the Image on your monitor will roll or be out of alignment. To restore the standard U.S. settings, press Option-Control-Reset. Then press 2.


If you are in the process of using an application and want to enter the Control Panel Program, press Open-Apple-Control-Esc. The advantage of pressing Open-Apple-Control-Esc to enter the Control Panel Program is that when you quit, you return to the application program where you left off. Pressing Open-Apple-Control-Reset restarts the computer.



http://apple2.callapple.org/manuals/gsowners/page109.html

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