No, I'm not But I do have countless copies of Nemesis 2 loose carts that I am willing to sacrifice for the greater good of humanity and scientific progress.
Ok... just needed some reassurance .
Well... euhm... I have a spare Snatcher here...
Finally, I have made install files
my.dreamwiz.com/sharksym/MMC_Drive.zip
Here're full informations.
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MMC Interface Cartridge with DISK ROM.
By Yeongman Seo (E-mail:sharksym@hitel.net)
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This is the MMC interface cartridge.
It is used as external FDD.
The ROM file consists of:
- patched DISKROM(16KB)
- Flash/MMC routines(16KB),
- DISK-Image(480KB).
Total 512KB in size.
Minimum required system...
-MSX1 with 64KB RAM, no FDD. (but, Not tested...)
-1 Primary slot. (Not work at Expanded slot)
With the MMC cartridge inserted in the MSX you have:
With MMC,
- Drive A mapped to MMC Disk.
- Drive B mapped to Flash-ROM Disk. (Read only, but very fast)
Without MMC,
- Drive A mapped to Flash-ROM Disk. (Read only, but very fast)
- Drive B is disabled.
The Flash-ROM Disk contains the DOS2 system files(v2.31),
Flash downloader, MMC disk manager and MMC system installer.
INSTALL.BAT : MMC System Installer
How to install..
- Insert MMC interface cartridge on MSX without MMC.
- Now, you can boot drive A (on Flash-ROM Disk).
- Insert MMC into the cartridge.
- Run INSATLL.BAT.
- It will making System Disk (Disk No.0)
ATLOAD.COM : Flash-ROM downloader. (Ver 1.05)
- Atmel AT29C040A (4MBits) only.
- See SCC FlashROM part on circuit.
DISKMAN.COM : MMC Disk Manager. (Ver 1.00)
- Insert/Delete Disk.
Currently, support 2DD(720KB) only
You cannot enter disk name including space. (' ')
- Select Disk
It will mount selected disk to Drive A:
This information is written on System disk.
DISKROM read it at next boot.
- Multiple disk(max.7) can be allocated.
Disk changing is possible by pressing Numeric Keypad.
(0:System Disk Only, 1~7:Multiple Disk)
DISKROM check keys in every DISK I/O.
- Disk No.0 cannot be deleted.
Because, all disk information is saved at Disk No.0 (DISKMAN.DAT)
XCHG_MMC.COM : MMC Disk Exchanger. (Ver 1.00)
- Use this when you exchange another MMC.
It can be used after booting without MMC.
(eg: installing MMC system.)
Note...
- MMC Interface Cartridge can be used at primary slot(1,2)
It will not work at expanded slot.
- Installer disk(Flash-ROM) is DOS2 format.
Installer for DOS1 will release some time, if anyone have a request :)
- Disk manager handles 2DD only.
- Disk ROM doesn't check write protected.
- MMC I/O is slow, similar to real FDD.
- Some games will not run,
becuase of doubled work area,that is needed by 2 diskroms.
Many games required boot by pressing CTRL key.
- Tested at My MSX only.
MSXturboR A1GT (RAM 1024KB)
MSX2+ A1WSX (RAM 512KB, DOS2 v2.20)
If you have any question, send me E-mail, please.
Yeongman Seo (E-mail:sharksym@hitel.net)
Is there a way of creating the MMC interface without destroying a valuable and extremely cool SCC cartridge?
Yes, look at Hans Ottens page for the "scc" like mapper by jipe, this can be modifie because it emulates the scc mapper fully
A friend from Spain built this item as well
That looks pretty spiff! I do wonder however if this software can also be modified to work with the Sunrise CF interface...
I finished it,
Thank-you very much for your help Yeongman!
It works fine!
I would like to see if it is possible snout.
So, if sharksym is prepared to sent me the software per mail.
Reflashing can be done many times , the important thing is the changing the ID of the manufacturer
My emailadress : sunhisan@euronet.nl or rhiep@msx.ch
If changements are needed I will contact John
another fun mmc cartridge
:P