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Fixing ESPCM 2/2

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This commit is contained in:
Kagamiin~
2024-03-19 18:48:51 -03:00
parent 40607b291d
commit 56859a9173
1 changed files with 230 additions and 169 deletions
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77
src/sound/snd_sb_dsp.c
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@@ -1357,8 +1357,10 @@ sb_exec_command(sb_dsp_t *dsp)
case 0x64: /* 4-bit ESPCM output */
if (IS_ESS(dsp))
{
if (dsp->espcm_mode != ESPCM_4)
if (dsp->espcm_mode != ESPCM_4
|| (dsp->sb_8_enable && dsp->sb_8_pause))
{
pclog("ess: ESPCM FIFO reset\n");
fifo_reset(dsp->espcm_fifo);
dsp->espcm_sample_idx = 0;
}
@@ -1370,8 +1372,8 @@ sb_exec_command(sb_dsp_t *dsp)
case 0x66: /* 3-bit ESPCM output */
if (IS_ESS(dsp))
{
pclog("ess: Starting espcm3 transfer\n");
if (dsp->espcm_mode != ESPCM_3)
if (dsp->espcm_mode != ESPCM_3
|| (dsp->sb_8_enable && dsp->sb_8_pause))
{
pclog("ess: ESPCM FIFO reset\n");
fifo_reset(dsp->espcm_fifo);
@@ -1385,8 +1387,8 @@ sb_exec_command(sb_dsp_t *dsp)
case 0x6C: /* 1-bit ESPCM output */
if (IS_ESS(dsp))
{
pclog("ess: Starting espcm1 transfer\n");
if (dsp->espcm_mode != ESPCM_1)
if (dsp->espcm_mode != ESPCM_1
|| (dsp->sb_8_enable && dsp->sb_8_pause))
{
pclog("ess: ESPCM FIFO reset\n");
fifo_reset(dsp->espcm_fifo);
@@ -1400,8 +1402,10 @@ sb_exec_command(sb_dsp_t *dsp)
case 0x6E: /* 4-bit ESPCM input */
if (IS_ESS(dsp))
{
if (dsp->espcm_mode != ESPCM_4E)
if (dsp->espcm_mode != ESPCM_4E
|| (dsp->sb_8_enable && dsp->sb_8_pause))
{
pclog("ess: ESPCM FIFO reset\n");
fifo_reset(dsp->espcm_fifo);
dsp->espcm_sample_idx = 0;
}
@@ -2109,7 +2113,7 @@ sb_ess_finish_dma(sb_dsp_t *dsp)
void
sb_espcm_fifoctl_run(sb_dsp_t *dsp)
{
if (fifo_get_empty(dsp->espcm_fifo))
if (fifo_get_empty(dsp->espcm_fifo) && !dsp->sb_8_pause)
{
while (!fifo_get_full(dsp->espcm_fifo))
{
@@ -2134,11 +2138,13 @@ pollsb(void *priv)
int data[2];
timer_advance_u64(&dsp->output_timer, dsp->sblatcho);
if (dsp->sb_8_enable && !dsp->sb_8_pause && dsp->sb_pausetime < 0 && dsp->sb_8_output) {
if (dsp->sb_8_enable && dsp->sb_pausetime < 0 && dsp->sb_8_output) {
sb_dsp_update(dsp);
switch (dsp->sb_8_format) {
case 0x00: /* Mono unsigned */
if (!dsp->sb_8_pause)
{
data[0] = dsp->dma_readb(dsp->dma_priv);
/* Needed to prevent clicking in Worms, which programs the DSP to
auto-init DMA but programs the DMA controller to single cycle */
@@ -2157,8 +2163,11 @@ pollsb(void *priv)
dsp->sbdatl = dsp->sbdatr = dsp->sbdat;
dsp->sb_8_length--;
dsp->ess_dma_counter++;
}
break;
case 0x10: /* Mono signed */
if (!dsp->sb_8_pause)
{
data[0] = dsp->dma_readb(dsp->dma_priv);
if (data[0] == DMA_NODATA)
break;
@@ -2175,8 +2184,11 @@ pollsb(void *priv)
dsp->sbdatl = dsp->sbdatr = dsp->sbdat;
dsp->sb_8_length--;
dsp->ess_dma_counter++;
}
break;
case 0x20: /* Stereo unsigned */
if (!dsp->sb_8_pause)
{
data[0] = dsp->dma_readb(dsp->dma_priv);
data[1] = dsp->dma_readb(dsp->dma_priv);
if ((data[0] == DMA_NODATA) || (data[1] == DMA_NODATA))
@@ -2185,8 +2197,11 @@ pollsb(void *priv)
dsp->sbdatr = (data[1] ^ 0x80) << 8;
dsp->sb_8_length -= 2;
dsp->ess_dma_counter += 2;
}
break;
case 0x30: /* Stereo signed */
if (!dsp->sb_8_pause)
{
data[0] = dsp->dma_readb(dsp->dma_priv);
data[1] = dsp->dma_readb(dsp->dma_priv);
if ((data[0] == DMA_NODATA) || (data[1] == DMA_NODATA))
@@ -2195,9 +2210,12 @@ pollsb(void *priv)
dsp->sbdatr = data[1] << 8;
dsp->sb_8_length -= 2;
dsp->ess_dma_counter += 2;
}
break;
case ADPCM_4:
if (!dsp->sb_8_pause)
{
if (dsp->sbdacpos)
tempi = (dsp->sbdat2 & 0xF) + dsp->sbstep;
else
@@ -2237,9 +2255,12 @@ pollsb(void *priv)
dsp->sbleftright = !dsp->sbleftright;
} else
dsp->sbdatl = dsp->sbdatr = dsp->sbdat;
}
break;
case ADPCM_26:
if (!dsp->sb_8_pause)
{
if (!dsp->sbdacpos)
tempi = (dsp->sbdat2 >> 5) + dsp->sbstep;
else if (dsp->sbdacpos == 1)
@@ -2281,9 +2302,12 @@ pollsb(void *priv)
dsp->sbleftright = !dsp->sbleftright;
} else
dsp->sbdatl = dsp->sbdatr = dsp->sbdat;
}
break;
case ADPCM_2:
if (!dsp->sb_8_pause)
{
tempi = ((dsp->sbdat2 >> ((3 - dsp->sbdacpos) * 2)) & 3) + dsp->sbstep;
if (tempi < 0)
tempi = 0;
@@ -2319,6 +2343,7 @@ pollsb(void *priv)
dsp->sbleftright = !dsp->sbleftright;
} else
dsp->sbdatl = dsp->sbdatr = dsp->sbdat;
}
break;
case ESPCM_4:
@@ -2329,6 +2354,10 @@ pollsb(void *priv)
if (dsp->espcm_sample_idx == 0)
{
sb_espcm_fifoctl_run(dsp);
if (fifo_get_empty(dsp->espcm_fifo))
{
break;
}
dsp->espcm_byte_buffer[0] = fifo_read(dsp->espcm_fifo);
dsp->espcm_range = dsp->espcm_byte_buffer[0] & 0x0F;
@@ -2337,6 +2366,10 @@ pollsb(void *priv)
else if (dsp->espcm_sample_idx & 1)
{
sb_espcm_fifoctl_run(dsp);
if (fifo_get_empty(dsp->espcm_fifo))
{
break;
}
dsp->espcm_byte_buffer[0] = fifo_read(dsp->espcm_fifo);
dsp->sb_8_length--;
@@ -2381,6 +2414,10 @@ pollsb(void *priv)
if (dsp->espcm_sample_idx == 0)
{
sb_espcm_fifoctl_run(dsp);
if (fifo_get_empty(dsp->espcm_fifo))
{
break;
}
dsp->espcm_byte_buffer[0] = fifo_read(dsp->espcm_fifo);
dsp->espcm_range = dsp->espcm_byte_buffer[0] & 0x0F;
@@ -2392,9 +2429,17 @@ pollsb(void *priv)
for (tempi = 0; tempi < 4; tempi++)
{
sb_espcm_fifoctl_run(dsp);
if (fifo_get_empty(dsp->espcm_fifo))
{
break;
}
dsp->espcm_byte_buffer[tempi] = fifo_read(dsp->espcm_fifo);
dsp->sb_8_length--;
}
if (tempi < 4)
{
break;
}
dsp->espcm_table_index = dsp->espcm_byte_buffer[0] & 0x03;
@@ -2418,9 +2463,17 @@ pollsb(void *priv)
for (tempi = 1; tempi < 4; tempi++)
{
sb_espcm_fifoctl_run(dsp);
if (fifo_get_empty(dsp->espcm_fifo))
{
break;
}
dsp->espcm_byte_buffer[tempi] = fifo_read(dsp->espcm_fifo);
dsp->sb_8_length--;
}
if (tempi < 4)
{
break;
}
dsp->espcm_code_buffer[0] = (dsp->espcm_byte_buffer[1]) & 0x07;
dsp->espcm_code_buffer[1] = (dsp->espcm_byte_buffer[1] >> 3) & 0x07;
@@ -2476,6 +2529,10 @@ pollsb(void *priv)
if (dsp->espcm_sample_idx == 0)
{
sb_espcm_fifoctl_run(dsp);
if (fifo_get_empty(dsp->espcm_fifo))
{
break;
}
dsp->espcm_byte_buffer[0] = fifo_read(dsp->espcm_fifo);
dsp->espcm_range = dsp->espcm_byte_buffer[0] & 0x0F;
@@ -2486,6 +2543,10 @@ pollsb(void *priv)
else if (dsp->espcm_sample_idx == 3 | dsp->espcm_sample_idx == 11)
{
sb_espcm_fifoctl_run(dsp);
if (fifo_get_empty(dsp->espcm_fifo))
{
break;
}
dsp->espcm_byte_buffer[0] = fifo_read(dsp->espcm_fifo);
dsp->sb_8_length--;