diff options
Diffstat (limited to 'Source/Core/DSPCore/Src/DSPAccelerator.cpp')
| -rw-r--r-- | Source/Core/DSPCore/Src/DSPAccelerator.cpp | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/Source/Core/DSPCore/Src/DSPAccelerator.cpp b/Source/Core/DSPCore/Src/DSPAccelerator.cpp index 11aa749a04..5a3441c420 100644 --- a/Source/Core/DSPCore/Src/DSPAccelerator.cpp +++ b/Source/Core/DSPCore/Src/DSPAccelerator.cpp @@ -18,8 +18,8 @@ #include "Common.h" #include "DSPCore.h" #include "DSPHost.h" -#include "gdsp_interface.h" -#include "gdsp_interpreter.h" +#include "DSPHWInterface.h" +#include "DSPInterpreter.h" // The hardware adpcm decoder :) s16 ADPCM_Step(u32& _rSamplePos) @@ -106,7 +106,12 @@ u16 dsp_read_accelerator() u16 val; - // lets the "hardware" decode + // let's do the "hardware" decode + // DSP_FORMAT is interesting - the Zelda ucode seems to indicate that the bottom + // two bits specify the "read size" and the address multiplier. + // The bits above that may be things like sign extention and do/do not use ADPCM. + // It also remains to be figured out whether there's a difference between the usual + // accelerator "read address" and 0xd3. switch (gdsp_ifx_regs[DSP_FORMAT]) { case 0x00: // ADPCM audio @@ -129,9 +134,9 @@ u16 dsp_read_accelerator() break; } - // TODO: Take ifx GAIN into account. + // TODO: Take GAIN into account, whatever it is. - // check for loop + // Check for loop. if (Address >= EndAddress) { // Set address back to start address. |