Main Menu
As with many backup devices of its time, the Doctor V64 implemented text based menu driven screens. The menus were spartan and purely functional in nature. Utilizing the buttons on the V64 unit a user would navigate the menus and issue commands. It was mainly designed for game developers even though it is possible to back up cartridges with it (through the use of an unofficial V64 bios). Some of the menu items related to game backups were removed from the V64's BIOS near the end of its life due to pressure from Nintendo. These items are only available by obtaining a patched V64 BIOS.
| Menu option | Effect |
|---|---|
| Alternate and BootCrack | This option would load a workaround for booting games. It only worked on certain types of game images. |
| Load Boot Crack Routine | An advanced option that allowed uploading of program code for the use of boot related problems. |
| Backup Card Auto → DRAM | This option would read a game cartridge and store it in the V64's RAM. |
| Backup Card Auto → PC | Same as the previous option, but would transfer the data to a PC through the V64's parallel port. |
| Manual Slide Show | |
| Auto Slide Show | |
| V64 Self Test | Diagnostics routine would check all of V64's subsystems. |
| Fully Test 128M DRAM | Diagnostics routine would check only the first 128Mb of memory. |
| Fully Test 256M DRAM | Same as above but for those units with 256Mb of memory. |
| Upload DRAM Data → PC | Used in conjunction with then option "Backup Cart Auto → DRAM" this option would transfer the contents of Doctor V64's RAM to a PC through the use of V64's parallel port. |
| Fix CRC Code → run game | Another boot related command to enable playing of game images. It would only work on certain types of backups. |
| Show Game Name in DRAM | An advanced option that would read the backup image and extract the game's name displaying it on the screen. |
| Upload V64 BIOS to PC | Another advanced option for DV64 developers. It would transfer Doctor V64's own program code to the PC through a parallel connection. |
| DX256 Upload to PC | This command allowed operation of specific features of the DX256 cartridge adapter (an alternate cartridge adapter sold by Bung). |
| PC Download to DX256 | |
| Swap Byte Order in DRAM | This command would convert the game image's endianness of a game image already loaded in RAM. Later bios revisions would do this automatically, deprecating this option. |
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