Hyper Neo Geo 64 - Specifications

Specifications

• Processors:

CPU #1 (main): 100 MHz NEC VR4300 (64-bit MIPS III)

CPU #2 (auxiliary, handles audio I/O): V53@16 MHz 16-bit microcontroller (V33 superset)

CPU #3 (auxiliary, handles communications I/O): KL5C80A12CFP@12.5 MHz 8-bit microcontroller (Z80 compatible)

• Memory layout:

0x00000000..0x00FFFFFF: mainboard RAM (16 MiB)

0x04000000..0x05FFFFFF: cartridge RAM (16 MiB)

0x1FC00000..0x1FC7FFFF: ROM (512 KiB)

Cartridge ROM mapping is variable.

• Sound chip: 32-channel PCM wavetable audio, with maximum sampling frequency of 44.1 kHz (CD-quality) and 32 MB of wavetable RAM