Corrected the step size bytes for the start of the DSP accelerator chunk. Patch by hk.konpie

This commit is contained in:
skidau 2014-10-13 22:10:14 +11:00
parent 711a8aa6ad
commit 32dbdbe92f
2 changed files with 12 additions and 11 deletions

View File

@ -15,7 +15,7 @@ static s16 ADPCM_Step(u32& _rSamplePos)
{
const s16 *pCoefTable = (const s16 *)&g_dsp.ifx_regs[DSP_COEF_A1_0];
if (((_rSamplePos)& 15) == 0)
if ((_rSamplePos & 15) == 0)
{
g_dsp.ifx_regs[DSP_PRED_SCALE] = DSPHost::ReadHostMemory((_rSamplePos & ~15) >> 1);
_rSamplePos += 2;
@ -122,10 +122,10 @@ u16 dsp_read_accelerator()
switch (g_dsp.ifx_regs[DSP_FORMAT])
{
case 0x00: // ADPCM audio
if ((Address & 15) == 0)
step_size_bytes = 2;
else
if ((EndAddress & 15) == 0)
step_size_bytes = 1;
else
step_size_bytes = 2;
val = ADPCM_Step(Address);
break;
case 0x0A: // 16-bit PCM audio
@ -139,12 +139,12 @@ u16 dsp_read_accelerator()
val = DSPHost::ReadHostMemory(Address) << 8;
g_dsp.ifx_regs[DSP_YN2] = g_dsp.ifx_regs[DSP_YN1];
g_dsp.ifx_regs[DSP_YN1] = val;
step_size_bytes = 1;
step_size_bytes = 2;
Address++;
break;
default:
ERROR_LOG(DSPLLE, "dsp_read_accelerator() - unknown format 0x%x", g_dsp.ifx_regs[DSP_FORMAT]);
step_size_bytes = 1;
step_size_bytes = 2;
Address++;
val = 0;
break;

View File

@ -163,13 +163,14 @@ u16 AcceleratorGetSample()
if ((*acc_cur_addr & 15) == 0)
{
acc_pb->adpcm.pred_scale = DSP::ReadARAM((*acc_cur_addr & ~15) >> 1);
step_size_bytes = 2;
*acc_cur_addr += 2;
}
else
{
if ((acc_end_addr & 15) == 0)
step_size_bytes = 1;
}
else
step_size_bytes = 2;
int scale = 1 << (acc_pb->adpcm.pred_scale & 0xF);
int coef_idx = (acc_pb->adpcm.pred_scale >> 4) & 0x7;
@ -205,7 +206,7 @@ u16 AcceleratorGetSample()
ret = DSP::ReadARAM(*acc_cur_addr) << 8;
acc_pb->adpcm.yn2 = acc_pb->adpcm.yn1;
acc_pb->adpcm.yn1 = ret;
step_size_bytes = 1;
step_size_bytes = 2;
*acc_cur_addr += 1;
break;