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idehd.c: decrease IDE read fill-time to avoids timeouts [Peter Ferrie]

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This commit is contained in:
Peter Ferrie 2015-06-26 13:25:24 -07:00
parent 91be2c989e
commit 7a2eac723e
1 changed files with 6 additions and 5 deletions
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11
src/emu/machine/idehd.c
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@ -12,7 +12,9 @@
#define LOGPRINT(x) do { if (VERBOSE) logerror x; if (PRINTF_IDE_COMMANDS) osd_printf_debug x; } while (0) #define LOGPRINT(x) do { if (VERBOSE) logerror x; if (PRINTF_IDE_COMMANDS) osd_printf_debug x; } while (0)
#define TIME_PER_SECTOR (attotime::from_usec(100)) #define TIME_PER_SECTOR_WRITE (attotime::from_usec(100))
/* read time <2 breaks primrag2, ==100 breaks bm1stmix */
#define TIME_PER_SECTOR_READ (attotime::from_usec(2))
#define TIME_PER_ROTATION (attotime::from_hz(5400/60)) #define TIME_PER_ROTATION (attotime::from_hz(5400/60))
#define TIME_BETWEEN_SECTORS (attotime::from_nsec(400)) #define TIME_BETWEEN_SECTORS (attotime::from_nsec(400))
@ -393,8 +395,7 @@ void ata_mass_storage_device::fill_buffer()
if (m_sector_count > 0) if (m_sector_count > 0)
{ {
set_dasp(ASSERT_LINE); set_dasp(ASSERT_LINE);
start_busy(TIME_PER_SECTOR_READ, PARAM_COMMAND);
start_busy(TIME_PER_SECTOR, PARAM_COMMAND);
} }
break; break;
} }
@ -519,13 +520,13 @@ void ata_mass_storage_device::process_buffer()
else else
{ {
/* set a timer to do the write */ /* set a timer to do the write */
start_busy(TIME_PER_SECTOR, PARAM_COMMAND); start_busy(TIME_PER_SECTOR_WRITE, PARAM_COMMAND);
} }
} }
else else
{ {
/* set a timer to do the write */ /* set a timer to do the write */
start_busy(TIME_PER_SECTOR, PARAM_COMMAND); start_busy(TIME_PER_SECTOR_WRITE, PARAM_COMMAND);
} }
} }
} }