Dream Web Console

Dream Web Console is a web-based utility for Sega Dreamcast power users with a Broadband Adapter. Connect to your Dreamcast system through a web browser to view diagnostic information about the system and attached peripherals, dump GD-ROM discs, browse and download VMU files and images, browse and download files on attached SD cards or hard drives, and more!

Usage

• Download the latest CDI image from the releases section, burn to CD-R using DiscJuggler or ImgBurn, and load on your Dreamcast.
• or, use the provided dream-web-console.bin file to load the software from an SD card using DreamBoot BIOS.
• or, use the provided dream-web-console.elf file to load the software from a Coder's Cable, Broadband Adapter, or LAN Adapter using dc-tool and dcload-serial or dcload-ip
• or, compile the code within a KallistiOS environment, and run the resulting dream-web-console.elf file using the above-mentioned dc-tool.
  • if using dcload-ip, make sure to use -n in dc-tool to disconnect from console to allow Dream Web Console to use the network adapter

IP address configuration

Dream Web Console supports both DHCP and static IP configurations. It is recommended to use the XDP Browser or Broadband Passport to set up your internet connection settings.

System diagnostics

WIP

Track dump options

Users may dump GD-ROM discs using one of three presets:

• standard data (2048 bytes per data sector, useful for playing on DreamShell's ISO Loader or on emulators)
• raw data (2352 bytes per data sector, useful for disc preservation projects like TOSEC)
• raw + sub channel data (2448 bytes per sector -- slow, unnecessary overkill, but available as an option)

For standard data and raw data dumps, a GDI file is provided as well.

IP.BIN TOC

You may use the standard drive TOC to browse discs or you may choose to ignore the drive TOC and have Dream Web Console read the GD-ROM layout directly from the disc's IP.BIN header. Bypassing the drive TOC in this way is useful for reading prototype GD-R discs using a swap trick.

Spin down GD-ROM drive

This convenience function stops the disc from spinning. This can be useful for GD-R swap tricks so one doesn't have to wait for the disc to stop spinning on its own.

Browse VMUs

WIP

Browse SD card

WIP

Browse HDD

WIP

Dump BIOS/Flash memory

• http://IP/dc_bios.bin - Download BIOS (memory 0x00000000 to 0x001FFFFF)
• http://IP/dc_flash.bin - Download Flash ROM image, (memory 0x00200000 to 0x0021FFFF)
• http://IP/syscalls.bin - Download syscalls data, (memory 0x8C000000 to 0x8C007FFF)

Dump memory region

http://IP/memory_startX_endX - Dumps memory from startX to endX. X is in hexadecimal representation.

Advanced disc dumping options

If you hover of the link for a track, you will see the link structure with various parameters. For example:

• Standard data: http://IP/track03.iso?ipbintoc0_session02_datasel1_trktype2_secsz2048_gap0_dma1_secrd16_sub0_abort1_retry5
• Raw data: http://IP/track03.bin?ipbintoc0_session02_datasel0_trktype0_secsz2352_gap0_dma1_secrd16_sub0_abort1_retry5

Each parameter can be adjusted to change how the track is dumped. See below table for a description of each.

Parameter	Description
trackX	Dump track number X
sessionX	Dump track from session X
ipbintocX	0: use standard TOC 1: use IP.BIN TOC
dataselX	Data select 0: All 2352 bytes 1: Data 2: Subheader 3: Header
trktypeX	Expected data type 0: Any type 1: CDDA Audio (2352 bytes per sector) 2: Mode 1 Data (2048 bytes per sector) 3: Mode 2 XA Data (2336 bytes per sector) 4: Mode 2 XA Form 1 Data (2048 bytes per sector) 5: Mode 2 XA Form 2 Data (2324 bytes per sector) 6: Mode 2 Non-XA Data (2336 bytes per sector)
secszX	Sector size X: may not apply correctly if conflicts with datasel or trktype parameters, see memory poisoning section below. If dumping sub channel data, exclude the sub channel sectors from this count (i.e. specify 2352 instead of 2448).
gapX	The end sector for a given track is not given in disc TOC, so it is calculated manually. Gaps only exist between tracks of two different types. For these tracks, calculated as (next track start sector - 1 ) - gap, where gap X is 150 by default.
dmaX	1: use DMA to transfer from GD-ROM (fast) 0: use programmed I/O (slow)
secrdX	Number of sectors X to read in each call to GD-ROM reading function
subX	0: Don't dump subchannel data (default) 1: Use syscall method to dump subchannel data 2: Use cdrom_read_sectors_ex() method to dump subchannel data While dumping sub channel data, sector reads are forced to one sector at a time using programmed I/O transfer. It's slow.
abortX	1: Abort on read error (default) 0: Continue on read error
retryX	Number of times X to retry a sector read before aborting or continuing on. Default is 5.

Dumping specific sector range

trackX and sectorX have a dual meaning: when both values are >= 100, they indicate a sector range to be dumped instead of a singular track. Use sessionX as the start sector and trackX as the ending sector of the desired range to be dumped. If the range of sectors to be dumped crosses across track gaps or spans different types of sectors, there may be read errors.

Memory poisoning

The data buffer passed to the GD-ROM dumping function is filled with QQQQ. If the selected function does not fill the entire buffer size, QQQQ will show up in your downloaded track. This can happen, for example, if you specify a 2352 sector size but choose a datasel or tracktype option where the function only returns 2048 bytes of data for each sector.

Source code

http://IP/dwc-source-VERSION.zip or source.zip - Download Dream Web Console source code embedded within the program

Attribution

Dream Web Console started as a project by darcagn to update and modernize the httpd-ack utility created by ackmed. httpd-ack itself was created from example code provided with KallistiOS, originally written by Megan Potter. All source code in Dream Web Console can be considered under the same 3-clause BSD license as KallistiOS.