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-rw-r--r--src/mame/machine/pce_cd.cpp31
1 files changed, 18 insertions, 13 deletions
diff --git a/src/mame/machine/pce_cd.cpp b/src/mame/machine/pce_cd.cpp
index bb82d695cd5..1ac84e7ba2f 100644
--- a/src/mame/machine/pce_cd.cpp
+++ b/src/mame/machine/pce_cd.cpp
@@ -6,10 +6,10 @@ PC Engine CD HW notes:
TODO:
- Dragon Ball Z: ADPCM dies after the first upload;
-- Dragon Slayer - The Legend of Heroes: black screen;
-- Mirai Shonen Conan: dies at new game selection;
+- Dragon Slayer - The Legend of Heroes: black screen; (actually timing/raster irq)
+- Mirai Shonen Conan: dies at new game selection; (actually timing/raster irq)
- Snatcher: black screen after Konami logo, tries set up CD-DA
- while transferring data?
+ while transferring data? (fixed)
- Steam Heart's: needs transfer ready irq to get past the
gameplay hang, don't know exactly when it should fire
- Steam Heart's: bad ADPCM irq, dialogue is cutted due of it;
@@ -439,18 +439,21 @@ void pce_cd_device::nec_set_audio_start_position()
m_current_frame = frame;
- if (m_cdda_status == PCE_CD_CDDA_PAUSED)
- {
- m_cdda_status = PCE_CD_CDDA_OFF;
- m_cdda->stop_audio();
- m_end_frame = m_last_frame;
- m_end_mark = 0;
- }
- else
+ m_cdda_status = PCE_CD_CDDA_PAUSED;
+
+ // old code for reference, seems unlikely that this puts status in standby (and breaks Snatcher at the title screen)
+// if (m_cdda_status == PCE_CD_CDDA_PAUSED)
+// {
+// m_cdda_status = PCE_CD_CDDA_OFF;
+// m_cdda->stop_audio();
+// m_end_frame = m_last_frame;
+// m_end_mark = 0;
+// }
+// else
{
if (m_command_buffer[1] & 0x03)
{
- m_cdda_status = PCE_CD_CDDA_PLAYING;
+ //m_cdda_status = PCE_CD_CDDA_PLAYING;
m_end_frame = m_last_frame; //get the end of the CD
m_cdda->start_audio(m_current_frame, m_end_frame - m_current_frame);
m_cdda_play_mode = (m_command_buffer[1] & 0x02) ? 2 : 3; // mode 2 sets IRQ at end
@@ -458,7 +461,7 @@ void pce_cd_device::nec_set_audio_start_position()
}
else
{
- m_cdda_status = PCE_CD_CDDA_PLAYING;
+ //m_cdda_status = PCE_CD_CDDA_PLAYING;
m_end_frame = m_toc->tracks[ cdrom_get_track(m_cd_file, m_current_frame) + 1 ].logframeofs; //get the end of THIS track
m_cdda->start_audio(m_current_frame, m_end_frame - m_current_frame);
m_end_mark = 0;
@@ -960,6 +963,8 @@ TIMER_CALLBACK_MEMBER(pce_cd_device::data_timer_callback)
/* We are done, disable the timer */
logerror("Last frame read from CD\n");
m_data_transferred = 1;
+ // data transfer is done, issue a pause
+ m_cdda_status = PCE_CD_CDDA_PAUSED;
m_data_timer->adjust(attotime::never);
}
else