0xE0 (DSP identification) SB2.0+

0xE1 (Get DSP version)

0xE2 (DMA identification)

0xE3 (DSP copyright string)

0xE4 (Write test register)

0xE5

0xE6

0xE7

0xE8 (Read test register)

0xE9

0xEA

0xEB

0xEC

0xED

0xEE

0xEF

0xF0

0xF1

0xF2 (Trigger 8-bit IRQ)

0xF3 (Trigger 16-bit IRQ) SB16+

0xF4

0xF5

0xF6

0xF7

0xF8 (DOSBox: Undocumented pre-SB16 that returns 0x00?)

0xF9 (DOSBox: SB16+ ASP functions?)

0xFA

0xFB

0xFC

0xFD

0xFE

0xFF

TFM’s DSP commands

Developer Kit for Sound Blaster Series, Second Edition