libnds-rs

Library for the Nintendo DS, written in Rust

DS Technical Data (extracted from GBATEK):

Processors

• ARM946E-S 32bit RISC CPU - 66MHz (used for video)
• ARM7TDMI 32bit RISC CPU - 33MHz (used for sound and GBA mode in 16MHz)

Internal memory

• 4096KB Main RAM
• 96KB WRAM (64K mapped to ARM7, 32K mapped to ARM7 or ARM9)
• 60KB TCM(16K for data, 64k for code) / Cache (4K data, 8K code)
• 656KB VRAM (allocatable as BG/OBJ/2D/3D/Pallete/Texture/WRAM memory)
• 4KB OAM/PAL (2K OBJ Attribute Memory, 2K Standard Pallete RAM)
• 248KB Internal 3D Memory (104K RAM for polygons, 144K RAM for vertices)
• ?KB Matrix Stack, 48 scanline cache
• 8KB Wi-Fi RAM
• 256KB Firmware Flash (512KB in iQue variant, with chinese charset)
• 36KB BIOS ROM (4K for ARM9, 16K for ARM7, 16k for GBA mode)

Video

• 2x LCD screens (256x192 pixel resolution, 3inch size, 18 bit color depth, backlight)
• 2x 2D video engines (extended GBA video controller)
• 3D video engine (assignable to upper or lower screen)
• Video capture (for effects, or forwarding 3D to 2D engine)

Sound

• 16 sound channels (16x PCM8/PCM16/IMA-ADPCM, 6x PSG-Wave, 2x PSG-Noise)
• 2 sound capture units (echo effects, misc)
• Output: Stereo speakers, headphones socket
• Input: Built-in microphone, microphone socket

Controls

• Gamepad with 4 direction keys and 8 buttons
• Touchscreen on lower LCD screen

Communication

• Wi-Fi IEEE802.11b

Specials

• Built-in RTC (Real-Time Clock)
• Power Management (Hardware)
• Hardware divide and sqrt functions
• CP15 System Control Coprocessor (cache, TCM, PU, BIST, etc)

External memory

• NDS Slot (encrypted 8bit data bus and serial 1bit bus)
• GBA Slot (including NDS expansions)

Manufactured cartridges

• ROM: 16MB, 32MB, 64MB
• EEPROM/FLASH/FRAM: 0.5KB, 8KB, 256KB, 512KB

Power supply

• Built-in rechargeable Li-ion battery, 3.7V 1000mAh (For the NDSL)
• External Supply: 5.2V DC