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Diffstat (limited to 'src/mess/drivers/segapico.c')
-rw-r--r--src/mess/drivers/segapico.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/src/mess/drivers/segapico.c b/src/mess/drivers/segapico.c
index 5bd8d993551..8cf04bc03a5 100644
--- a/src/mess/drivers/segapico.c
+++ b/src/mess/drivers/segapico.c
@@ -258,7 +258,7 @@ READ16_MEMBER(pico_base_state::pico_68k_io_read )
For reads, if bit 15 is cleared, it means PCM is 'busy' or
something like that, as games sometimes wait for it to become 1.
*/
- // return (m_upd7759->busy_r()^1) << 15;
+ // return (m_upd7759->busy_r()^1) << 15;
// The BUSY bit stays 1 as long as some PCM sound is playing.
// SMPS drivers check 800012 [byte] and clear the "prevent music PCM" byte when the READY bit gets set.
// If this is done incorrectly, the voices in Sonic Gameworld (J) are muted by the music's PCM drums.
@@ -299,10 +299,10 @@ WRITE16_MEMBER(pico_base_state::pico_68k_io_write )
if (mem_mask & 0x00FF)
m_sega_315_5641_pcm->port_w(space, 0, (data >> 0) & 0xFF);
break;
- case 0x12/2: // guess
+ case 0x12/2: // guess
// Note about uPD7759 lines:
- // reset line: 1 - normal, 1->0 - reset chip, 0 - playback disabled
- // start line: 0->1 - start playback
+ // reset line: 1 - normal, 1->0 - reset chip, 0 - playback disabled
+ // start line: 0->1 - start playback
if (mem_mask & 0xFF00)
{
// I assume that:
@@ -316,14 +316,14 @@ WRITE16_MEMBER(pico_base_state::pico_68k_io_write )
// Somewhere between "Reset Off" and the first sample data,
// we need to send a few commands to make the sample stream work.
// Doing that when rising the "start" line seems to work fine.
- m_sega_315_5641_pcm->port_w(space, 0, 0xFF); // "Last Sample" value (must be >= 0x10)
- m_sega_315_5641_pcm->port_w(space, 0, 0x00); // Dummy 1
- m_sega_315_5641_pcm->port_w(space, 0, 0x00); // Addr MSB
- m_sega_315_5641_pcm->port_w(space, 0, 0x00); // Addr LSB
+ m_sega_315_5641_pcm->port_w(space, 0, 0xFF); // "Last Sample" value (must be >= 0x10)
+ m_sega_315_5641_pcm->port_w(space, 0, 0x00); // Dummy 1
+ m_sega_315_5641_pcm->port_w(space, 0, 0x00); // Addr MSB
+ m_sega_315_5641_pcm->port_w(space, 0, 0x00); // Addr LSB
}
}
-
-
+
+
/*m_sega_315_5641_pcm->reset_w(0);
m_sega_315_5641_pcm->start_w(0);
m_sega_315_5641_pcm->reset_w(1);