Hardware:Sound Blaster:DSP commands

Sound Blaster DSP commands by value

• 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

Sound Blaster DSP commands by group

DSP identification

• 0xE0 (DSP identification) SB2.0+

• 0xE1 (Get DSP version)

• 0xE3 (DSP copyright string)

Resource test

• 0xE2 (DMA identification)

• 0xF2 (Trigger 8-bit IRQ)

• 0xF3 (Trigger 16-bit IRQ) SB16+

Other/misc

• 0xE4 (Write test register)

• 0xE8 (Read test register)

External references

• TFM’s DSP commands

• Developer Kit for Sound Blaster Series, Second Edition