DAC A+D Mirror (mono) Register: Difference between revisions

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m Xalior moved page DAC A+D (mono) mirror Register to DAC A+D Mirror (mono) Register: match formal nextreg.txt name
 
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{{NextRegister
{{NextRegister
|Number=$2D
|Number=$2D
|Readable=No
|Readable=Yes
|Writable=Yes
|Writable=Yes
|ShortDesc=SoundDrive (SpecDrum) port 0xDF mirror.
|ShortDesc=SpecDrum port 0xDF / DAC A+D mirror, read current I2S LSB
}}
}}
Can be used by Copper co-processor to send data to SoundDrive.
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 {{NextRegNo|$2C}} or {{NextRegNo|$2E}}

Latest revision as of 10:43, 14 October 2025

Number TBRegisterNumber::$2D
Readable TBRegisterReadable::Yes
Writable TBRegisterWritable::Yes
Short Description ShortDesc::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 {{#ask: TBRegisterNumber::$2C }} ($2C) or {{#ask: TBRegisterNumber::$2E }} ($2E)