MMC/SD Drive™ for MSX User`s Manual
Contents
1. 3 z SCC d FlashROM vec 4 mais 40 1 A18 5 17 39 7 Do 2 E Ls 2 3 12 UR MA16 38 2 16 U pea mais 37 3 ALS 415125 4 1 3 a be vec MA14 36 29 14 ATUS 4 om a MAi3 35 28 ALS 46 3 4 24 0E 4 8 7 TASHA n as 5 D Y RESET 2 KONAMISCC sLTsL22 as BE URE 6 1011 1112 M 2 AT29C0404 ione der med Lud c LIA eL e MMC ib MMC P7 Interface 4 Datadut 5 741532 741532 Ut1 745138 110 Di 18 2 3 Y1 AT QA ug D2 16 4 4 p3 14 2 2 lg 5 98 1 vcc 5 1 3 3 39 ba 12 8 gloc U4D OUT T 2174 ol l u 5 Tut b 7 5 6 3 11 9E B D7 5 5 de KIA 8D33F 31 7 13 QGCLK 3 vg AB ag ToE 1 20 19 7415164 ES vec 715244 NOT USED RESET U8D 74HC125 4HC125 uee 5 PL A0 9 c8 8 10 1 TAS 7415138 x2 74LS32 S E TALS74A 7 4LS74A x2 74 125 xl RD 7400125 x1 3 30 m 74532 x 74LS164 xl UED 74 125 74 5244 is 5 5 8 es AT29C0404 1 1 Le usa LED xl 3 4 Resister x3 1 741532 145 4 1 vec Capacitor xl MMC Socket x1 3 3 RESET u72. Here re some snapshot which show FLASHMAN works 24 MMC SD Drive for MSX 7 TAITO CORPORATION 1987 2 ALL RIGHTS RESERVED In order to start Multi ROM you just hold SPACE key during boot If Multi ROM list is available you can see list like above snapshot 25 MMC SD Drive for MSX 2 6 Use SymbOS SymbOS is Multi tasking Operating System for CPC amp MSX MMC SD Drive can be used as SymbOS mass storage device Driver supports primary amp expanded slot Here is some example of slot setting For SLOT1 SYMBOS F0 D01 FDMMCSD DRV For SLOT2 1 SYMBOS FO D021 FDMMCSD DRV In SymbOS MMC SD Drive allocates two drives Drive A can be mounted as System Disk A or FAT16 Disk on slot1 Drive B can be mounted as FAT12 FAT16 Disk on slot2 card I recommend below settings for SymbOS Put all SymbOS s system files in System Disk A and put other files like multimedia data in FAT16 disk of slot2 card This should be enough for most application Here re some snapshot which show SymbOS is working on MMC SD Drive 26 MMC SD Drive for MSX 2 7 Movie Music Player Stream play routine is provided in MMC SD BIOS Due to a transfer rate HW v1 0 is not supported for Movie Music Player Only HW v2 is supported Four media types are supported as below Audio 44KHz 8BIT PCM Audio 22KHz 8BIT PCM Movie 112x68 12FPS Video and 13KHz 8BIT PCM Audio Movie 168x104 8FPS Video and 20KHz 8
3. 2 Two MMC SD card slot supported Second card is mounted as Drive D March 28 2008 Writable Flash Disk supported March 14 2008 FAT16 supported through Okei s FAT16 driver March 7 2008 Hardware upgraded to v2 1 ROM Banking protection added 38 MMC SD Drive for MSX October 23 2007 Hardware upgraded to v2 0 SPI clock generator added Transfer rate is 122KB S April 19 2007 SymbOS disk driver released Transfer rate 58 5 March 4 2007 DISKMAN for Windows released DISKMAN accesses physical sectors on MMC SD card 2005 2006 Several bug fix released for BIOS and SW tools October 28 2004 Add serial to parallel shifter on SPI read Transfer rate is 31KB S This is first public release of HW v1 0 and SW package July 29 2004 First proto version of MMC SD Drive is made All SPI is done by CPU bit HW v0 5 Transfer rate is 8KB S A little bit slower than real FDD 39
4. Drive for MSX 2 Functional Description 2 1 Install MMC SD System 2 1 1 Download MMC SD BIOS MMC SD BIOS ROM is 512KB sized It can be programmed in general EEPROM programmer Or it can be downloaded by ATLOAD COM in MSX DOS Specially upgrading from v4 xx BIOS is also possible by FLASHMAN COM in MSX DOS There are two different FlashROM tools They are ATLOAD and FLASHMAN Please be noticed below ATLOAD cannot flash running ROM on working drive itself So you have to run ATLOAD in another drive not working MMC SD Drive FLASHMAN can flash only running ROM It uses working BIOS routines Here re some snapshot of Flash tools 2 1 2 Initialize MMC SD Card MMC SD Drive support 16MB to 2GB memory card In order to use MMC SD FDD emulation installing procedure is required If you want to use FAT16 formatted card you should remove MBR of card and format card as one FAT16 drive Installing is done by executing INSTALL COM But its procedure may be different depend on MMC SD BIOS ROM which you re using MMC SD Drive for MSX There are three MMC SD BIOS ROMS MMCDISK1 ROM MMCDISK2 ROM MMCDISK3 ROM MMCDISK1 ROM It is designed for MSX DOS1 user Built in Flash Disk is preformatted as DOS1 boot disk And it contains install files and other disk tools Unfortunately 00515 slave DiskROM supports only two drives and So even if you have two card slots with MMC SD Drive you cannot use slot2 card O
5. Gear 2 See snapshot of chapter 2 1 1 Download MMC SD BIOS for example 23 MMC SD Drive for MSX FLASHMAN FLASHMAN reprogram a part of FlashROM by calling MMC SD BIOS routines It can download MMC SD BIOS or Game ROMs At first time Multi ROM feature is disabled and Flash Disk occupies 384KB If you want to enable Multi ROM consider below issue In order to install MMC SD System on new empty memory card full sized Flash Disk is required Because when Multi ROM is enabled most files on Flash Disk will be removed to reduce its size Then further initialization will not be possible unless you download full size BIOS again When FLASHROM is executed it checks BIOS whether Multi ROM is enabled or not Then you have five blocks for Multi ROM images Block 0 is only for MMC SD BIOS You cannot overwrite this Block 1 is for 16KB ROM Block 2 amp 3 is for two 32KB ROMs Block 4 amp 5 is for two 128KB MegaROMs or one 256KB MegaROMs FLASHMAN modify MegaROM mapper at download time So you just download non patched MegaROM file It supports only four mapper types KONAMI 8K SCC KONAMI 8K ASCII 8K and ASCII 16K FLASHMAN s patching routine search LD xxxx A opcodes so certain game may not work correctly For 16KB 32KB Game compatibility Multi ROM enables Banking Protection of MMC SD Drive This will solve some copy protection eg THEXDER etc If you download Konami SCC MegaROMs SCC sound will be available
6. 0KB 2DD 720KB HD 23MB and HD 32MB DOS2 only and Movie Music disk which is special purposed 64MB disk Disk has four flags for attribute P means it is protected disk which cannot be deleted by DISKMAN R means it is read only It has same effect as write protection of FDD U means it is User disk D means it is Default Boot Disk See chapter 2 3 Execute Disk for details Here re some snapshot which show creating YS I file and importing disk data from FDD Create new file Close Open Attrib gt gt Run T Delete 13 MMC SD Drive for MSX 14 MMC SD Drive for MSX 2 2 4 Import Disk DISKMAN supports two importing methods The one is reading sectors from real FDD The other is copying data from DSK image file Import from FDD DISKMAN uses BDOS System Call to read sectors You need to check drive letters In MSX DOS2 MMC SD Drive occupy drive A to D and built in FDD will use drive E F In MSX DOS1 MMC SD Drive occupy drive A and built in FDD will use drive C D If you use two MMC SD Drive in MSX DOS2 it will occupy all eight drive letters A to H So you cannot use built in FDD This is DOS1 2 limitation See snapshots of 2 2 3 Disk Table for example Import from DSK Single 720KB DSK image file can be copied to one 2DD disk area This is similar sequence of importing from FDD You can choose drive for reading file
7. 8 GF 2004 Yeongman Seo 012 0 6 B j me P2 itle DataIn MMC Disk Drive for MSX SCC 4MBits FlashROM MMC Interface 11 ag 4 use Bize Document Number ev Custom Doc 12 E TALSTAA vec Date Tuesday October 26 2004 Bheet 1 of 1 32 4 2 Schematic v2 2 Transfer rate is 130KB S on 3 58MHz Z80 Transfer rate is 145KB S on R800 DRAM mode 1 SCC FlashRO rommoomr lt MMC SD Interface ug wee su 1 3 2 30 10Duf 10V KIAT8D33F 1 84 2 NOT USED 0128 741532 UI16E 1 741504 U12A MMC SD Drive for MSX OEE 741532 ie 741532 1170 1 24 o 741504 741504 741508 741530 7415138 7415744 7415125 4HC125 741532 7415164 74151654 7415244 29 040 LED Register 78033 Capacitor MMC Socket 3 3 n 1 3 2 741508 10 use Vee 1 2 3 12 415125 wee LED Flash MMC Pin Data Out 7415125 1 12 MMC Pin Data Out 1 13 vec 741532 741508 MMCT Pint 5 741532 MMCZ Pint GCS LED MMC2 U13C Find SCLK USB MMCZ Pind SCLK 741504 741504 741532 Ut B 6 9 24 0125 741532 1 Pin Data In 741532 MMCZ Pin Data In 741504 Yeongman Seo ec 5 MMC SD Disk Driv
8. BIT PCM Audio SCREEN 12 mode is used for video output MSXturboR PCM is used for audio ouput You can hear audio MSX2 if you made simple 8bit DAC like Covox Its OUT address should be A4H Audio file should be no header raw 8bit pcm Movie Music disk image can be up to 64 To build Movie Music disk special media encoder and file merger for MMC SD Drive is needed This disk contains DOS system files and media player MPLAY COM Here re YouTube video link Player is little bit different but output is equal to MPLAY http www youtube com watch v 6r43HhrtbFY http www youtube com watch v 1NytCAW1Dws http www youtube com watch v qTfmwQugPZM Here re some snapshot which show MPLAY is running 27 MMC SD Drive for MSX 28 MMC SD Drive for MSX 2 8 Use Hot Key Hot Key is used to send user s command in MMC SD BIOS This is done by polling MSX s Keyboard I O directly So actual codes depend on your hardware But you can change Key set using KEYMAN MMC SD BIOS support two Key tables Here s Hot Key list Default Key code and snapshot of KEYMAN Disk Change RUN STOP Only work during disk r w Disk No 0 NUMO 0 Disk No 1 NUMT1 1 Disk No 2 NUM2 2 Disk No 3 NUM3 3 Disk No 4 NUMA 4 Disk No 5 NUM5 5 Disk No 6 NUM6 6 Disk No 7 7 Disk No 8 NUMS 8 Disk No 9 9 Disk User NUM U No 0 to User are only work during Disk Change Mult
9. DSK File list of root directory will be shown in DISKMAN Simply you can choose file To have compatibility with MSX DOS1 you cannot use sub directory for source file DISKMAN supports combined multiple DSK image Here re some snapshot which show importing multiple DSK image file 5 C elp Mowe en Tove te T Hew 15 MMC SD Drive for MSX 16 MMC SD Drive for MSX 17 MMC SD Drive for MSX 2 2 5 Exchange Partition MMC SD Card is mounted drive A to D of MSX But you can exchange disk partition of drive A only Drive B is only possible to exchange between built in Flash Disk and System Disk B This is done by XCHGDRVB COM Drive A can be mounted in Run menu of DISKMAN After changing partition drive A information is stored in memory card even if you turn off MSX and turn on again When you want to boot System Disk A again press DEL key during disk boot This will restore partition information to set System Disk A as drive A Here re some snapshot which show FIREHAWK disk is mounted as drive 18 MMC SD Drive for MSX 2 3 Execute Disk Indeed running FDD based game on MMC SD Drive is not easy as FDD In case of FDD it is enough that you just insert disk and wait a minute Most MSX s Disk game is designed to be run in single disk drive with DOS1 environment But people want to use DOS2 with mass storage disk MMC SD Drive provides two e
10. MMC SD Drive for MSX User s Manual Edition October 18 2009 By Yeongman Seo E mail sharksym hitel net MMC SD Drive for MSX Contents 1 Introduction 1 1 Requirements 1 2 Features 2 Functional Description 2 1 Install MMC SD System 2 1 1 Download MMC SD BIOS 2 1 2 Initialize MMC SD Card 2 2 Manage Disk Partition 2 2 1 Partition Folder 2 2 2 Partition File 2 2 3 Disk Table 2 2 4 Import Disk 2 2 5 Exchange Partition 2 3 Execute Disk 2 4 Use FAT16 2 5 Manage FlashROM 2 6 Use SymbOS 2 7 Movie Music Player 2 8 Use Hot Key 3 Use case 3 1 Flash Disk only without MMC SD card 3 2 Use FDD emulation and Slot2 card 3 3 FAT16 Disk only without FDD emulation 3 4 Exchange Disk in DOS amp Game 3 5 Multiple Multi ROM 4 Hardware Description 4 1 Schematic v1 0 4 2 Schematic v2 2 4 3 Build Hardware Software Description Acknowledgement 7 History MMC SD Drive for MSX 1 Introduction The MMC SD Drive is a kind of MSX Disk Drive All HW amp SW is designed by Yeongman Seo It works as normal MSX disk drive but it is compact and much faster than FDD It fits in Konami Game cartridge and connects directly in MSX SLOT It is fully tested amp compatible with MSX1 2 2 turboR Hardware consists of SCC FlashROM and SPI for MMC SD card Konami SCC chip is mainly used for MegaROM mapper and sound generator 5V power supply is driven from MSX SLOT connector No additional connector is needed S
11. at another reserved sector FDD Emulation Drive A is used for FDD emulation Maximum 9 disks of 2DD are supported Exchanging disk is possible during Game play Read only option is supported MMC SD Drive for MSX Speed Control MMC SD Drive is normally 10 times faster than FDD at read write disk Due to a fast read time some 2DD based game does not work correctly They do not check correctly busy state of VDP and assume game is running on slow FDD So extra delay time for CPU VDP is needed MMC SD BIOS can reduce speed 130KB S to 40KB S Generally FDD transfer speed is about 10KB S This solves most problems about mishandling VDP command ONE Drive ONE Drive is one of boot options It is very similar to press CTRL key on normal FDD If it is enabled MMC SD BIOS allocate amp boot Drive A only during ROM initialization So ROMs in higher SLOT normally SLOT3 will not be executed In this case built in DiskROMs of Sony Panasonic s MSX will be disabled This is very useful for DOS1 games like Koei s games ROM Banking Protection MMC SD Drive use Konami SCC for MegaROM mapper Accidental writes on banking address cause system hanp up Some of ROM games and Disk games may try to write data on DiskROM area This protection will hide banking address of SCC and raise compatibility as generic 16KB 32KB ROM cartridge Only protection I O address is visible For example THEXDER writes dummy data on ROM add
12. e for MSX 2 2 1 Partition Folder Folder can be created at Root only DISKMAN can handle total 64 folders Folder is used only for grouping partition files You cannot copy folder contents to another folder But renaming and reordering are possible Here re some snapshots After first MMC SD System install Root System folder and three partition files are created automatically Here is an example to create Game folder At most right side there are attribute flags of each folder P means it is protected folder which cannot be deleted Only Root System folder has this flag E means it is empty folder which can be deleted by DEL key 12 MMC SD Drive for MSX 2 2 2 Partition File File represents name of actual disk partition DISKMAN can handle total 256 files in each folder You can change name or order of files File has six flags for attribute P means it is protected file which cannot be deleted by DISKMAN O means ONE Drive mode is enabled B means ROM Banking protection is enabled V means Speed down mode is enabled BIOS will use HW V1 driver means Turbo mode is enabled E means it is empty file which can be deleted by DEL key See chapter 2 3 Execute Disk for details 2 2 3 Disk Table When disk is added in the file actual sectors will be allocated If first disk is created disk type should be set DISKMAN supports four types of FAT12 disk which are 1DD 36
13. e for MSX 92 SCC 4 FlashROM MMC SD Interface Date Thursday April 10 2008 5 33 MMC SD Drive for MSX 4 3 Build Hardware The one way to make MMC SD Drive is modifying Konami SCC MegaROM Cartridge by add TTL chips amp other HW The other is build hardware using CPLD or FPGA CPLD is not enough to implement SCC Sound Here is snapshot of old CPLD version which is made by myself MegaROM mapper slot expander and 512KB memory mapper is integrated But no SCC sound 34 MMC SD Drive for MSX 5 Software Description All MMS SD tools are running on MSX DOS1 and MSX DOS2 New version of software may not work correctly on old MMC SD BIOS Please update software when you download new BIOS INSTALL COM Install MMC SD System Initialize MMC SD Partition table and format System Disk amp B DISKMAN COM Manage Partition table Import disk sectors from FDD or DSK image file Exchange partition of drive A Execute drive A disk XCHGMMC COM It is used for exchange MMC SD card slot1 or slot2 Update disk information after exchanging card XCHGDRVB COM Toggle drive B between built in Flash Disk and System Disk B on MMC SD card KEYMAN COM Reconfigure Hot key setting MMC SD BIOS have two Hot key tables FLASHMAN COM Manage FlashROM Only works during MMC SD BIOS is working Download MMC SD BIOS ROM or Game ROMs in order to use Multi ROM Su
14. ecute FAT16 COM If you need more space on Flash Disk you may delete below files COPYA2B BAT COPYSYS1 BAT COPYSYS2 BAT AUTOEXE2 BAT INSTALL COM DISKMAN COM XCHGDRVB COM COPY720 COM 3 4 Exchange Disk in DOS amp Game MMC SD Drive can handle maximum 9 disks for one partition file Disks are exchangeable during disk r w action For DOS Enter DIR A Return with holding RUN Key or STOP Key DOS will try to read drive A Then MMC SD BIOS stop reading disk and wait user key input During waiting key MSX s CAPS LED will turn on dimly You can exchange disk pressing Disk No Key 30 MMC SD Drive for MSX For Game When game requests another disk it shows a message like Insert Disk B and Press Space key Just hold RUN or STOP key when SPACE key is hit Then MMC SD BIOS stop reading disk and wait user key input During waiting key MSX s CAPS LED will turn on dimly You can exchange disk pressing Disk No Key 3 5 Multiple Multi ROM If you have more than one MMC SD Drive you can utilize Multi ROM for each MMC SD Drive For example two MMC SD Drive have one 2MB MegaROM for each FlashROM like below MMC SD Drive 1 for Space Manbow MMC SD Drive 2 for Aleste Then what you have to do is setting different Hot Key for each MMC SD Drive 31 MMC SD Drive for MSX 4 Hardware Description 4 1 Schematic v1 0 Transfer rate is 40KB S on 3 58MHz 780
15. i ROM SPACE Only work during boot Disable DOS2 INS Only work during boot Disable ROM Banking TAB Only work during boot Use HW v1 driver Z Only work during boot ONE Drive SHIFT Only work during boot Reset Drive A DEL Only work during boot Enable Turbo T Only work during boot 29 MMC SD Drive for MSX 3 Use case 3 1 Flash Disk only without MMC SD card MMC SD Drive can read write built in Flash Disk And internal DOS1 2 ROM works as normal DiskROM Even if you build FlashROM part of MMC SD Drive you will have a nice Flash Disk drive This is also useful for MSX1 with 16KB or 32KB RAM Disk BASIC will work fully with writable Flash Disk 3 2 Use FDD emulation and Slot2 card MMC SD BIOS provides FDD emulation only for Slot1 card Slot2 card is limited to use first partition of it I recommend 16 drive for Slot2 card This will provides FDD emulation for 2DD games and mass storage for multi media files 3 3 FAT16 Disk only without FDD emulation Someone may want to use just FAT16 disk without FDD emulation You don t need to run MMC SD System Installer MMC SD BIOS will detect FAT16 disk correctly You can see short message in boot time But FAT16 driver is not integrated in MMC SD BIOS You have to install Okei s FAT16 driver to access FAT16 disk If Slot1 card is formatted as FAT16 MMC SD Drive mount Flash Disk to Drive A You may modify to ex
16. neric MBR and use its own partition table MMC SD System installer builds partition table during initialization First partition is called by System Disk A This is FAT12 drive And it begins at physical sector zero System Disk A is also visible on PC Windows Card Reader You can transfer files via System Disk A DISKMAN is a most important tool for MMC SD Drive It provides create partition change partition copy disk image file and execute boot disk In DISKMAN you can manage partition folder group partition name file and disks To run DISKMAN please type DISKMAN return in DOS If you use MMCDISK1 ROM you have to type B DISKMAN return DISKMAN does not support exporting disk It means that you cannot convert partition to DSK image file or copy partition to floppy disk But you can do this using another tool like COPY720 in case of 2DD 720KB disk COPY720 is available in B WUTILS directory COPY720 is made by JAM Soft Please be noticed below MMC SD BIOS v4 xx is fully redesigned regarding partition management Due to this older partition information file DISKMAN DAT from BIOS v3 xx is not compatible with current BIOS v4 xx If you want to upgrade BIOS v3 xx to v4 xx please backup first data from your MMC SD card Then re install MMC SD System by new BIOS I m very sorry about this But I hope you can utilize big memory card up to 2GB and enjoy MegaFlashROM feature by FLASHMAN 11 MMC SD Driv
17. ng disk boot Please be noticed below When turbo mode is enabled certain software may not work correctly Banking Protection If this option is enabled SCC banking address is not visible for software Only protection switch address is visible In this mode SCC sound does not work But this may solve some copy protection issue This mode can be enabled also during boot To enable this hold TAB key during disk boot Slowdown Speed MMC SD Drive is normally 10 times faster than FDD at read write disk Due to a fast read time some 2DD based game does not work correctly They do not check correctly busy state of VDP and assume game is running on slow FDD So extra delay time for CPU VDP is needed If this option is enabled MMC SD BIOS use HW v1 0 driver HW v1 0 driver is slower than normal v2 x driver This will reduce speed 130KB S to 40KB S Generally FDD transfer speed is about 10KB S This solves most problems about mishandling VDP command Please be noticed below All hot key mentioned above can be reconfigured using KEYMAN See chapter 4 Software for details 21 MMC SD Drive for MSX 2 4 Use FAT16 Basically FAT16 is not supported by MSX DOS1 2 But after installing Okei s FAT16 driver DOS2 you can access 16 drive MMC SD Drive fully support Okei s modified DISKIO Call You can use two 2GB memory card for 16 However you can use Okei s driver MSX DOS2 boots on FAT12 disk
18. nly slot1 card is mapped drive A amp B If you have only 64KB RAM or use MSX1 2 2 you should use this ROM MMCDISK2 ROM It is designed for MSX DOS2 user with MMC SD Drive HW v2 1 Built in Flash Disk is preformatted as DOS2 boot disk And it contains install files DOS2 system files and other disk tools Slot2 card is not supported Only slot1 card is mapped drive and MMCDISK3 ROM It is similar with MMCDISK2 ROM But it supports slot2 card which is mapped drive D It is designed for MMC SD Drive HW v2 2 Initializing procedure Leave memory card slot empty Insert MMC SD Drive in any MSX SLOT Any primary or extended SLOT can be used But extended SLOT is supported BIOS v4 xx only Turn on MSX and wait until MSX DOS prompt appear Execute INSTALL BAT by type INSTALL return Insert new memory card in slot1 and follow installer instruction System Disk A will be visible on Windows PC s Card Reader You can transfer MSX files between PC and MSX via System Disk A For System Disk B you may select built in Flash Disk or memory card Using memory card is recommended in order to utilize Multi ROM feature for remained FlashROM rather than Flash Disk MMC SD Drive for MSX Here re snapshots which show installing procedure Using MMCDISK1 ROM MMC SD Drive for MSX Using MMCDISK2 ROM or MMCDISK3 ROM 10 MMC SD Drive for MSX 2 2 Manage Disk Partition MMC SD Drive does not use ge
19. oftware consists of BDOS kernel MMC SD BIOS Flash Disk and Multi ROM BDOS kernel consists of MSX DOS1 and MSX DOS2 20 MMC SD BIOS consists of low level disk driver FDD Emulator and FlashROM rewriter Flash Disk consists of MMC SD System installer and Disk Tools MMC SD Drive Functionality Comm X 9 777 KONAMI SCC Sound 2MBits SCC MegaFlashROM MMC SD Drive MMC SD Drive for MSX 1 1 Requirements Minimum MSX1 with RAM 64KB Recommend MSX2 with RAM 128KB and FDD Please be noticed below BIOS self update feature is provided with BIOS v4 x or higher In other case additional disk drive and DOS disk are required for download 1 2 Features The MMC SD Drive offers various functions compared with generic floppy disk drive BDOS 16 DOS1 64KB DOS2 20 ROMs are included DOS2 works MSX2 with 128KB system or higher only Flash Disk A part of FlashROM is used for Flash Disk Total size is 384KB It can be mounted as Drive B or Drive A for FAT16 Memory Card It is fully writable like a normal FDD If Multi ROM feature is enabled Flash Disk will be limited as 48 So remained 336KB will be reserved for Game ROM images MMC SD Card Interface Generic SPI controller is included Memory card is used for mass storage disk Two card slots are supported Slotl is mainly used for Drive B C Slot2 is used for Drive D only No MBR is supported MMC SD Partition table is stored
20. only Because of this MMC SD Drive provides little different drive mounting When slot1 card is used which is formatted as FAT16 MMC SD Drive will set Flash Disk as drive A Now MSX DOS2 can boot from DOS2 disk of built in Flash Disk And slot1 card will be mounted as drive C and slot2 card will be mounted as drive D You can access 16 of drive C D after installing Okei s FAT16 driver Here re some snapshot which show using 128MB FAT16 drive 22 MMC SD Drive for MSX 2 5 Manage FlashROM MMC SD Drive use 4MBit FlashROM for ROM data amp Flash Disk There is two FlashROM tool ATLOAD amp FLASHMAN These tool support only two FlashROM models ATMEL AT29C040A and WINBOND W29C040 Indeed they use same flashing protocol but just their chip id amp manufacturer code is different From MMC SD BIOS v4 xx total 336KB ROM area can be used for Multi ROM feature Here re two layouts for FlashROM Default ROM Image Multi ROM Enabled BDOS amp MMC SD BIOS 128KB BDOS amp MMC SD BIOS 128KB Flash Disk 48KB Boot only ROM Block1 16KB ROM Block2 32KB Flash Disk 384KB Boot files amp Disk Tools ROM Block3 32KB ROM Block4 128KB ROM Block5 128KB ATLOAD This is a simple Flash Downloader which supports MSX DOS1 2 It does not have any special feature like mapper patch ROM should be adapted to Konami SCC 8K mapper You can download MMC SD BIOS or any SCC MegaROMs like Metal
21. pport MegaROM mapper through patch Konami SCC 8K Konami 8K ASCII 8K ASCII 16K ATLOAD COM Download SCC mapper ROM to FlashROM ROMDUMP COM Dump FlashROM to 512KB ROM on disk Generic SCC ROM cartridge supported 35 MMC SD Drive for MSX LDIR COM It shows long file name or directory name Original LDIR is made by Tatsuhiko Syoji for MEGA SCSI This version is modified for MMC SD Drive Here re some snapshot which show software work 36 MMC SD Drive for MSX 6 Acknowledgment Warning MMC SD Drive and related software from me have no warranty I m not responsible to any kind of the result by using my products You must use it with your own risk Feedback If you have any trouble suggestion request and greeting mail to sharksym hitel net Special thanks to I appreciate all members of the club Paradise of MSX and all people who are testing and bug reporting regarding MMC SD Drive 37 MMC SD Drive for MSX 7 History October 18 2009 Redesigned official BIOS released All new disk tools released FLASHMAN manage FlashROM Download amp patch mapper is supported Windows version of DISKMAN is not ready July 29 2009 Partition management is fully redesigned Maximum 2GB memory card supported Old partition table is not compatible with new BIOS June 11 2008 MSX DOS2 v2 20 Kernel is integrated BIOS size is total 128KB April 10 2008 Hardware upgraded to v2
22. ress which causes memory banking or data corruption So non patched THEXDER ROM does not work on RAM or simple FlashROM cartridge Multi ROM This feature provides 16KB 32KB or MegaROM cartridge emulation Total 336KB is reserved for ROM images Storing MMC SD BIOS one 16KB ROM two 32KB ROMs and two 1MBit ROMs or one 2MBit ROM is possible During startup of MMC SD Drive you can select DiskROM or other ROMs For the MegaROM games the FLASHMAN provides banking patch and download game ROMS FlashMAN supports four different MegaROM mappers KONAMI 8K SCC KONAMI 8K ASCII 8K and ASCII 16K Now you can enjoy SCC powered SPACE MANBOW without destroying MMC SD BIOS MMC SD Drive for MSX SymbOS Driver Disk driver software is available for SymbOS Driver name is FDMMCSD DRV It fully supports maximum 2GB drive And it supports expanded slot See SymbOS manuals for more detail about slot option Here s website of SymbOS for CPC amp MSX http www symbos de Movie Music Player Stream play routine is provided in MMC SD BIOS Play routine support four media as below Audio 44KHz 8BIT PCM Audio 22KHz 8BIT PCM Movie 112x68 12FPS Video and 13KHz 8BIT PCM Audio Movie 168x104 8FPS Video and 20KHz 8BIT PCM Audio SCC Sound SCC chip is used for MegaROM mapper for MMC SD Drive SCC can be used as not only mapper but SCC Sound also And you can enjoy SCC MegaROM games using Multi ROM feature MMC SD
23. xecution methods and three operate mode And you can choose one disk for first boot Default Disk may be any disk of in partition file Disk attribute D means Default Disk ONE Drive This method is simulating traditional one drive boot from DOS1 It provides quite similar effect that pressing CTRL key during boot from FDD It is done by pressing SHIFT key during boot from MMC SD Drive Or you can store ONE Drive mode option in DISKMAN In DISKMAN you can toggle attribute menu by press TAB key See below snapshot YS I and Fire Hawk files is set to use ONE Drive mode This option will take effect after MSX reset and every boot BT Turbo able Banking 19 MMC SD Drive for MSX Boot from DISKMAN If you use DISKMAN under DOS2 you can run many games directly from DISKMAN In my test most game runs fine thanks to a maximizing TPA by DOS2 This is very easy to run But please be noticed Even in this method drive A partition will be exchanged So if you don t want to play game press DEL key to restore System Disk A partition Here re some snapshot which show how to use Run menu THEXDER THE SECOND CONTACT START GAME ARTS 20 MMC SD Drive for MSX Turbo Mode You can force to use CPU turbo mode If MSX is Panasonic s WX WSX 5 37MHz clock mode will be enabled Or R800 turbo mode can be enabled for MSXturboR This mode can be enabled also during boot To enable this hold T key duri
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