이안은 뭐하니?

Some bugs fixed and little changed.

- Eject function by 'C' 'D' bug fixed

Some cases fail to Empty D1 or D2 and now fixed. (Anyway, It is seldom used)

- Failed to show the last file and now Fixed.

- During the firmware updates, it shows a message and doing a nice restart.

Testing is going to finish.

Please let me know if you experienced any errors or have suggestions.

Tested on APPLE ][+, //e and IIGS (ROM1)

Download Firmware

*I didn't test it on SD DISK][ Emulator(Earlier version) yet.

Please use this firmware for SD DISK][ Plus.

If the firmware didn't work on your card, please contact me.

Thanks;

Ian Kim

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; 

'Please use newer version'

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

Thank you

Ian Kim

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.

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"

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

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

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