tag

#dsp

3 posts

RetrogamingDeep Dive October 4, 2026 8 min read

GameCube DSP and ARAM: Mailboxes, Audio Memory, and DMA Boundaries

Separate GameCube DSP program and data memory from ARAM sample storage, then trace bootstrap, mailbox handshakes, DMA, and audio-state diagnostics.

#gamecube#dsp#aram

RetrogamingDeep Dive October 4, 2026 8 min read

Sega Saturn SCU DSP: Program RAM, Data Banks, and Parallel Operations

Inspect the Saturn SCU DSP's small Harvard-style memories, instruction buses, multiply-accumulate path, program loading, and cycle-aware emulator tests.

#sega-saturn#scu#dsp

FreeDOSDeep Dive October 3, 2026 9 min read

Sound Blaster DSP Playback: Commands, DMA Blocks, and IRQ Completion

Implement a bounded Sound Blaster playback lifecycle by probing DSP status, configuring DMA and IRQ ownership, acknowledging completion, and cleaning up.

#freedos#dos#sound-blaster