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#aram

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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 7 min read

Trace SNES echo from voice routing through the ESA/EDL ring buffer, eight-tap FIR, signed feedback, write inhibition, and DSP-to-ARAM timing.

#snes#s-dsp#echo