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docs/DSP: Rename SCALE to PRED_SCALE

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Tillmann Karras
2025-04-24 17:01:14 +01:00
parent 8412a7c336
commit 80adfc606d
1 changed files with 4 additions and 4 deletions
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8
docs/DSP/GameCube_DSP_Users_Manual/GameCube_DSP_Users_Manual.tex
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@ -704,7 +704,7 @@ Hardware registers (IFX) occupy the address space at \Address{0xFFxx} in the Dat
\Address{0xFFD7} & \Register{ACEAL} & Accelerator end address L \\ \hline \Address{0xFFD7} & \Register{ACEAL} & Accelerator end address L \\ \hline
\Address{0xFFD8} & \Register{ACCAH} & Accelerator current address H \\ \hline \Address{0xFFD8} & \Register{ACCAH} & Accelerator current address H \\ \hline
\Address{0xFFD9} & \Register{ACCAL} & Accelerator current address L \\ \hline \Address{0xFFD9} & \Register{ACCAL} & Accelerator current address L \\ \hline
\Address{0xFFDA} & \Register{SCALE} & ADPCM predictor and scale \\ \hline \Address{0xFFDA} & \Register{PRED\_SCALE} & ADPCM predictor and scale \\ \hline
\Address{0xFFDB} & \Register{YN1} & ADPCM output history Y[N - 1] \\ \hline \Address{0xFFDB} & \Register{YN1} & ADPCM output history Y[N - 1] \\ \hline
\Address{0xFFDC} & \Register{YN2} & ADPCM output history Y[N - 2] \\ \hline \Address{0xFFDC} & \Register{YN2} & ADPCM output history Y[N - 2] \\ \hline
\Address{0xFFDD} & \Register{ACDSAMP} & Accelerator processed sample \\ \hline \Address{0xFFDD} & \Register{ACDSAMP} & Accelerator processed sample \\ \hline
@ -840,7 +840,7 @@ After \Register{ACCA} grows bigger than the area pointed to by \Register{ACEA},
\RegisterBitDescription{15--0}{d}{R/W}{Bits 15--0 of the accelerator current address} \RegisterBitDescription{15--0}{d}{R/W}{Bits 15--0 of the accelerator current address}
\end{RegisterBitDescriptions} \end{RegisterBitDescriptions}
\RegisterBitOverview{0xFFDA}{SCALE}{ADPCM predictor and scale}{---- ---- -ppp ssss} \RegisterBitOverview{0xFFDA}{PRED\_SCALE}{ADPCM predictor and scale}{---- ---- -ppp ssss}
\begin{RegisterBitDescriptions} \begin{RegisterBitDescriptions}
\RegisterBitDescription{6--4}{d}{R/W}{Used to decide which pair of coefficients to use (\Register{COEF\_A1\_p} and \Register{COEF\_A2\_p}, at $\Address{0xFFA0} + 2p$ and $\Address{0xFFA0} + 2p + 1$)} \RegisterBitDescription{6--4}{d}{R/W}{Used to decide which pair of coefficients to use (\Register{COEF\_A1\_p} and \Register{COEF\_A2\_p}, at $\Address{0xFFA0} + 2p$ and $\Address{0xFFA0} + 2p + 1$)}
@ -852,13 +852,13 @@ After \Register{ACCA} grows bigger than the area pointed to by \Register{ACEA},
\RegisterBitOverview{0xFFDB}{YN1}{ADPCM YN1}{dddd dddd dddd dddd} \RegisterBitOverview{0xFFDB}{YN1}{ADPCM YN1}{dddd dddd dddd dddd}
\begin{RegisterBitDescriptions} \begin{RegisterBitDescriptions}
\RegisterBitDescription{15--0}{d}{R/W}{Last value read by the accelerator, updated to the new value of \Register{ACDSAMP} when \Register{ACDSAMP} is read. Used and updated for all sample formats. Multiplied by the A1 coefficient selected by SCALE and scaled per FORMAT.} \RegisterBitDescription{15--0}{d}{R/W}{Last value read by the accelerator, updated to the new value of \Register{ACDSAMP} when \Register{ACDSAMP} is read. Used and updated for all sample formats. Multiplied by the A1 coefficient selected by PRED\_SCALE and scaled per FORMAT.}
\end{RegisterBitDescriptions} \end{RegisterBitDescriptions}
\RegisterBitOverview{0xFFDC}{YN2}{ADPCM YN2}{dddd dddd dddd dddd} \RegisterBitOverview{0xFFDC}{YN2}{ADPCM YN2}{dddd dddd dddd dddd}
\begin{RegisterBitDescriptions} \begin{RegisterBitDescriptions}
\RegisterBitDescription{15--0}{d}{R/W}{Second-last value read by the accelerator, updated to the previous value of \Register{YN1} when \Register{ACDSAMP} is read. Used and updated for all sample formats. Multiplied by the A2 coefficient selected by SCALE and scaled per FORMAT. Writing this value starts the accelerator.} \RegisterBitDescription{15--0}{d}{R/W}{Second-last value read by the accelerator, updated to the previous value of \Register{YN1} when \Register{ACDSAMP} is read. Used and updated for all sample formats. Multiplied by the A2 coefficient selected by PRED\_SCALE and scaled per FORMAT. Writing this value starts the accelerator.}
\end{RegisterBitDescriptions} \end{RegisterBitDescriptions}
\RegisterBitOverview{0xFFDD}{ACDSAMP}{Accelerator data}{dddd dddd dddd dddd} \RegisterBitOverview{0xFFDD}{ACDSAMP}{Accelerator data}{dddd dddd dddd dddd}