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Re-added the acc_end_reached logic for AXWii.

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This commit is contained in:
skidau 2014-09-06 11:57:37 +10:00
parent 0154b8edfd
commit 9800252a28
1 changed files with 15 additions and 0 deletions
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15
Source/Core/Core/HW/DSPHLE/UCodes/AXVoice.h
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@ -131,6 +131,7 @@ void DumpPB(const PB_TYPE& pb)
static u32 acc_loop_addr, acc_end_addr;
static u32* acc_cur_addr;
static PB_TYPE* acc_pb;
static bool acc_end_reached;
// Sets up the simulated accelerator.
void AcceleratorSetup(PB_TYPE* pb, u32* cur_addr)
@ -139,6 +140,7 @@ void AcceleratorSetup(PB_TYPE* pb, u32* cur_addr)
acc_loop_addr = HILO_TO_32(pb->audio_addr.loop_addr);
acc_end_addr = HILO_TO_32(pb->audio_addr.end_addr);
acc_cur_addr = cur_addr;
acc_end_reached = false;
}
// Reads a sample from the simulated accelerator. Also handles looping and
@ -149,6 +151,10 @@ u16 AcceleratorGetSample()
u16 ret;
u8 step_size_bytes = 0;
// See below for explanations about acc_end_reached.
if (acc_end_reached)
return 0;
switch (acc_pb->audio_addr.sample_format)
{
case 0x00: // ADPCM
@ -232,6 +238,15 @@ u16 AcceleratorGetSample()
{
// Non looping voice reached the end -> running = 0.
acc_pb->running = 0;
#ifdef AX_WII
// One of the few meaningful differences between AXGC and AXWii:
// while AXGC handles non looping voices ending by having 0000
// samples at the loop address, AXWii has the 0000 samples
// internally in DRAM and use an internal pointer to it (loop addr
// does not contain 0000 samples on AXWii!).
acc_end_reached = true;
#endif
}
}