DAC A+D (mono) mirror Register

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Number $2D
Readable Yes
Writable Yes
Short Description SpecDrum port 0xDF / DAC A+D mirror, read current I2S LSB

This port can be used to generate mono audio using the copper.

Write:

bits 7:0 = 8-bit sample written to DACs A and D (soft reset = $80)

Read:

bits 7:0 = LSB of last I2S (Pi:NextPi) sample read from DAC B (left) mirror Register ($2C) or DAC C (right) mirror Register ($2E)