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공지사항

최근에 올라온 글

1st Mockingboard 4c all sold out and preparing another revision.

In this version have minor upgrade, Enhanced sound quality.

1st Mockingboard 4c sound little like over driven sound so, I tuned it under proper level, It's little better.

And the CPU socket was relocated to upper for easy soldering. I had hard to solder this area...

It is testing board.

There is no Mute pin but, I will keep the Mute pin even rare used by user.

Ordered another sample PCB for testing..

Thanks for waiting. It will coming soon for you.




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Posted by 이안김
, |

I'm seldom playing game with joystick.

I have one and it s just modified from PC one to APPLE ][+.

One of friend asked me to develop analogue joystick.

And I aware a lots of members are having problem with their old joystick..

hence, I searched and found good concept even lower variable resistor could be used for joystick.

I just reminded the NE555 concept..

I will work even lower resistance..

Will use these days components for easy maintenance.


I ordered some PCB and waiting for it.

Let's see if it works properly or have any issue.


** PCB Arrived and assembled **

 



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Posted by 이안김
, |

Mockingboard 4c

◆ Mockingboard 4c / 2017. 6. 28. 00:10
The Obsolete Geek



Thanks a lot!!

'◆ Mockingboard 4c' 카테고리의 다른 글

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Posted by 이안김
, |

Dear customer,

 

The Hyperion 512K RAM+ card using No Slot Clock driver.

You can use the clock function same as the NSC(No Slot Clock).

Please use this disk image files to set the time and read time.

 

DOS3.3 Utility DISK

NSCDOS.DSK
다운로드

 

 

No Slot Clock Manual

 

 

No SLot Clock Manual.pdf
다운로드

 

Hyperion manual.

 

Hyperion 512K RAM+ V122 users manual.pdf
다운로드

 

 

Saturn manual.

SATURN128MAN.pdf
0.21MB

 

 

Thank you very much;

Ian Kim

'◆ Hyperion 512K RAM+' 카테고리의 다른 글

Hyperion 512K + card  (0) 2017.06.02
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Saturn 128K compatible memory card  (0) 2017.04.18
Posted by 이안김
, |

VDP-1000 Plus and CP/M Turbo7

SALE / 2017. 6. 11. 10:24

Hi friend,


The VDP-1000puls and CP/M Turbo 7 is one of interesting board for our APPLE II.

You can buy it as a set or you can find each on eBay.

Now, I set price fo a full set as below.

You can buy this set as below.

And a AV cable and 2pin Video-IN cable included.


About VDP board 

http://quick09.tistory.com/1375

http://quick09.tistory.com/1369

http://quick09.tistory.com/1368

http://quick09.tistory.com/1366

http://quick09.tistory.com/1365


User's Manual

VDP-1000 plus User’s manual.pdf



Thank you very much;

Ian Kim

.





'SALE' 카테고리의 다른 글

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My selling item are in the eBay  (0) 2016.04.20
SD Smart Drive  (0) 2015.08.21
Posted by 이안김
, |

Hi, Friends,


Here is completed VDP Option board.


Board named as VDP-1000 Plus.

It can run SG-1000 Games and some COLECOVISION Games too.


This board can be put on the CP/M Turbo 7 card as under.

It look little strange but, practical design for neighbor card.


It can be installed as this.


The cable are from left; AV connector, APPLE II Video Input for Auto Switching and Joyport.


Watch some videos. 

Your APPLE II could play Sprite games with VDP-1000puls.


You can find ROM file here.

http://doperoms.com/roms/Sega_Sg-1000/ALL/0.html


ROM File transfer to APPLE II and can run by small loader.

Manual will be sent for buyer.


The SG-1000 Mode

 
and more games run....


The COLECOVISION Mode
and more games run.

http://quick09.tistory.com/1368




I'm waiting for PCB of joypad and then it could be a ready for sale.

Please wait some days more.


Thank you very much.

Ian Kim




Posted by 이안김
, |

I've upgraded the Konami 8K Mapper and now can run upto 256KB from 128KB.




It runs but, there is a issue .. Some sprites shaking and flashing.

When I decreased the speed to 2Mhz, it doesn't show same problem.

So, It must have problem on VDP control. maybe RAM accessing timing could be a issue.

I will check later when I need to debug the board.


ROM Mapper support would be finished with this Konami 8K mapper only.

256KB game running is good one. No MSX could run 256KB game without real ROM cartridge.

So, It would be OK for me.

Hope to like it too.


Thanks;

Ian Kim





'◆ APMSX' 카테고리의 다른 글

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APMSX (MSX card for APPLE IIe) is running  (0) 2017.05.21
Posted by 이안김
, |

APMSX card being upgraded

◆ APMSX / 2017. 6. 4. 23:43

Previous APMSX card is enough to run basic of MSX function 

but, I want some more enhanced function in it.

Now, I have new board.



What is different.

Used 144 pin CPLD as main controller.

I have more 32 IO pins now it is good enough.


I'm tring to add Konami 8K mapper and now it is working as below.

Now just support 128KB but, will extend it up to 256KB.


APMSX board have own 512KB SRAM and it support virtual slot for ROM cartridge emulation.

So I can load ROM file and can run without physical ROM cartridge. (Anyway, APMSX will have a external physical SLOT. so user still can use own cartridge)

And it accepted just 32KB ROM data but, now I can load 128KB ROM data and made it run properly.

The mapper is very different method unlike accessing APPLE II AUX memory .



I'm still having some more idea with APMSX but, I think, I should not expand too much on this board.

And It will support 256KB Konam 8K Mapper and little more? maybe.. then will be closed.


I will check the signal for External SLOT.

I've prepared for this but, have to test. 


Let's see the next what will happy with our APPLE II.
Thank you.

Ian Kim




Posted by 이안김
, |

Hi friends,

Now the Hyperion 512K+ card is on sale.

I have around 5 sets for users but if I have more orders, I will make more cards.

Please search my card on eBay.



User's Manual

Hyperion 512K RAM+ users manual.pdf


Thank you very much;

Ian Kim


* Newer version available now.


If you have any question or opinion, please let me know.

Thanks

Ian Kim

Posted by 이안김
, |

MSX1 run 3.58Mhz and I've tried higher speed in my previous prototype board failed.

Due to lack of environments of signal and some others..


Now, I have a proper PCB with signal and can handle more for my purpose.

APMSX card have 512KB Fast SRAM and it is fast enough.

So, I've tried it to run 7.16Mhz and checked the status..

No, it doesn't work properly.. Screen have some broken sprites..

Maybe VDP can't follow the I/O Speed.


So, added internal turbo OFF function while accessing IO.

When I/O access happen, It added some delays then it works properly..


Tested simple speed testing program.

It takes 86 ticks on normal speed MSX but, now it just took 42 ticks.


Also faster scrolling be obtained.

Tested on GAME.

The BOSCONIAN have starting voice as 'BLAST OFF'.

Now on turbo mode, this pitch become higher..

So, it runs on faster CPU mode.


This is TWINBEE.

It runs really fast.. 



APMSX can have 3 running mode.


1. APPLE II / MSX isolated mode (Run each system at the same time)

2. APPLE II * MSX hybrid mode (Run each system at the same time)

3. Switching mode between above. but not run at the same time.

This turbo mode only work isolated mode 1 and 3(need test).


Anyway, APMSX card also can use as a Softcard for CP/M and attached devices as the same MSX. I/O address.



Thanks

Ian Kim


'◆ APMSX' 카테고리의 다른 글

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Posted by 이안김
, |

Hi friend,


I'm working on it.

Firmware task is on going..

Around 80% done and working now as the MSX computer on APPLE II.


It is installed as below


Used 3.5mm phone connector for Audio & Video output.

And applied Auto Switching..

Used PS2 keyboard signal for MSX keyboard.


This is simple joypad. It is fot the VDP option board and needed little modify to fit on APMSX.

Watch this how does it work.


It is almost the same as the prototype board.


APMSX board working as below.





Thanks

Ian Kim

'◆ APMSX' 카테고리의 다른 글

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MSX card running on APPLE IIe  (0) 2016.06.15
Posted by 이안김
, |

New PCB arrived.

This board optimized using the VRAM and CPLD for less space.

And added sound chip.


Video automatic switcher applied.

Joystick support for the SG-1000 and the Colecovision.

Mode selection Switch SG-1000 /COLECOVISION

Unfortunately I did some mistake and fixed as below.





The Z80 board connector relocated to right side hence it would be as below.



CP/M Turbo7 Z80 card doesn't soldering a connector so, user can solder for their purpose.


In this case, I soldered pin connector male and female for joint.

But, after connect it both, it consume another slot space and may interfere.

Even move the connector to Right on VDP board.

It still consume some space but, some of small card may be usable.


I hoped the VDP option board in slot7 cause there is no other socket on right side so free of space.

If really don't like this combine, maybe can use short IDE40ping cable could be used.


Here are some more running game on COLECOVISION mode.










Here is a Joypad for game play or input device.



This VDP&Sound option board will work under CP/M hence,

It can be also used to make game or other program under CP/M.

Hope to make good fun software under Turbo pascal or Z80 ASM.



New Option board would be prepared some weeks later.

If you have any concerns, please let me know (quick09@gmail.com) .


Thanks a lot

Ian Kim

'◆ Z80 Card' 카테고리의 다른 글

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Daughter board for CP/M Turbo7  (0) 2017.04.28
Posted by 이안김
, |

Added some photos. 

Of course it has sound too.

Hope you like it. :)




































I'm waiting for updated PCB.

New board included for TMS9918 , Sound chip and Joypad port.

So, I can play games. 


As you know, this is not emulator. 

It is real VDP board with sound chip.


Also It works under the CP/M 80.

So, You can even make a game under the CP/M.

I want make some game with this option board.


Thanks;

Ian Kim


Posted by 이안김
, |

Dear friends,


This is final testing board of the 512K RAM card for APPLE II series,






It is fully compatible  Saturn 128K RAM card and even 512KB it have with battery backup so, all data isn't volatile.

And it has integrated No Slot Clock real time clock for APPLE II.

You can use replace old 16KB memory card.

Also You can use it as 4 RAM DISKs with battery backup.



For APPLE ][ / ][+

; If you install it on SLOT#0, You can at least use it as you have +16KB memory card but it is saturn 128KB.

No Slot Clock doesn't work if you put it on SLOT#0.

No Slot Clock emulation need a slot signal and the slot#0 doen'st have it.

But, If you want modify it it is possible.. Please ask me anyway you need a dummy card..


For APPLE //e

You can use it as you have a Saturn 128KB and Real time clock(No Slot Clock ).


* Memory capacity is 4 times 128KB of Saturn hence you can switch present bank with one POKE command.

WIth this command, you can have 4 RAM non volatile DISK with internal battery backup and external battery also provide.


Too complicated?, just use it as the Saturn 128K RAM card and the real time clock 


Thank you

Ian kim

Posted by 이안김
, |

I have hard time to make it work as the COLECOIVISON game console.

After several tries with hard learning of structure.

I could run it but, some game only.I don't know the reason why it can't play the other ROM.


First, It shows start screen by ROM BIOS.


And tested with ROM data. 

I can find upte 32KB sized ROM data but, This board ccould support up to 24KB not 32KB due to APPLE II structure.

This board also works with the privous SG-1000 joypad but not the same. Anyway internally will change this convertion to play properly.




I remember this game. 

It is very old game.. maybe when I was 11 years old, I did play it but, not good player .

In that time I didn't know what does carnival means.


It looks he is using his invented wheel. :)

It's CongoBongo..


Time pilot.. It is some similar as the arcade game..Anyway It's fun to me.


Oh my poor frog..

Maybe from that time, we have to consider to build alternate ways to avoid  the road kill.




And I'm trying to run other games but, still no idea what is the problem.

It looks memory fault or NMI fail. Anyway there is no ROM.. it means, it could be overwriten by code..

It having some hard to understand the structure of COLECOVISION...


Anyway, This VDP board isn't purpose for GAME emulator.

I'm want to show what this VDP board could do. but, It is a board for GAME play too.

Please don't forget it is a daughter board of the CP/M card. :)

And enjoy some game when you are tired while you are making your own program.


Thanks

Ian Kim

'◆ Z80 Card' 카테고리의 다른 글

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Daughter board of CP/M Turbo 7  (0) 2017.04.14
CP/M OS for the CPM Turbo7  (0) 2016.10.02
Posted by 이안김
, |

Here is the VDP Daughter for CP/M Turbo7 card.

It can be installed as the below.






After some of address decoding and some signal processing..

It is working as the SG3000 and run some game as under.







Andthen there is some techinical issue.

CP/M tubo7 looks not handle IORQ properly. so, I've updated CP/M turbo7 and added the signal on the CPLD spare pin.

After start run, it looks not stable. 

I'm checking where is the problem came from, CPU, or signal or TTL?

I'm working on it.

Keep watching.. :)



** Solved stability issue.

I fixed it and works stable now.

It keep running more two 24 hours.


I'm considering to put a Sound chip same as SG3000 and Joyport pins..

Then board buyer could play games as the SG3000.

Maybe it would make it more fun..


** Just added Sound chip.



https://youtu.be/krZJV-vf4No


https://youtu.be/IR01BK_a9O4



** Added another interesting picture.


But, don't expect too much.

It doesn't means that I made MSX computer..

The board have different structure unlike MSX and I can't run ROM of MSX.

But, you can make your own coded to make it run on MSX computer and this board too.

This is the maximum ability of this board.


If you want MSX board, please wait some more weeks to complete the board.


Thanks;

Ian Kim


** I've tested another games of SG-3000 and all works.

Some of game may not work properly. 

Please aware it.

Thank you!

'◆ Z80 Card' 카테고리의 다른 글

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Posted by 이안김
, |

APMSX starting with board

◆ APMSX / 2017. 4. 27. 10:24

This is PCB for the MSX board on APPLE IIe.

Still a lots of work behind due to changed wiring. 




Thanks

Posted by 이안김
, |

No-Slot Clock utility disk


For DOS3.3 

NSCT.nib



For ProDOS


NSCProD.nib


Thanks


'◆ Hyperion 512K RAM+' 카테고리의 다른 글

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Saturn 128K compatible memory card  (0) 2017.04.18
Posted by 이안김
, |

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
다운로드

 

** Newer Manual are here **

quick09.tistory.com/category/%E2%97%86%20SD%20DISK%20II%20Emulator/Mannual

 

'◆ SD DISK II Emulator/Mannual' 카테고리의 글 목록

안녕하세요? 이안입니다. 과학의 모든것을 좋아합니다.

quick09.tistory.com

Please let me know if you have question or suggestion.

Thank you very much.

Ian Kim

 

 

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New SD DISK emulator tunning  (1) 2017.02.17
Posted by 이안김
, |

Used clock integrated chip as below.

To activate the clock, I needed modify present board cause need some more control line for it.

Here is the board with clock chip.


To use this clock chip, it isn't easy with general way, finally my trick works to make it run.


Here is the working screen.

As you can see, it works as the No Slot Clock.


User can change time, and date as the same as the No Slot Clock.

But, Now it became Yes Slot Clock. :D


Work as two blocks 128KB.

Still fully compatible as the Saturn 128K. with first block.

And the other three 128KB blocks also ready to use.


I just add Battery holder for data backup for general SRAM(No clock function) chip.



Thanks;

Ian Kim


Posted by 이안김
, |

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