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author r09 <rzero9@gmail.com>2021-04-03 13:58:58 +0200
committer GitHub <noreply@github.com>2021-04-03 07:58:58 -0400
commitdb89743e8be39e80a64256dabb3155ac48d84d8a (patch)
tree453d9fa8bc235f569f1d130f63a813e5c4289106
parent195d45d3358b11e581d5a7251199337726d21806 (diff)
fmtowns: fix off-by-1 calculation in CDDA length (#7921)
-rw-r--r--src/mame/drivers/fmtowns.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/fmtowns.cpp b/src/mame/drivers/fmtowns.cpp
index 01e7fbaa195..85891a02bea 100644
--- a/src/mame/drivers/fmtowns.cpp
+++ b/src/mame/drivers/fmtowns.cpp
@@ -1614,7 +1614,7 @@ void towns_state::towns_cdrom_play_cdda(cdrom_image_device* device)
lba2 += m_towns_cd.parameter[3] << 8;
lba2 += m_towns_cd.parameter[2];
m_towns_cd.cdda_current = msf_to_lbafm(lba1);
- m_towns_cd.cdda_length = msf_to_lbafm(lba2) - m_towns_cd.cdda_current;
+ m_towns_cd.cdda_length = msf_to_lbafm(lba2) - m_towns_cd.cdda_current + 1;
m_cdda->set_cdrom(device->get_cdrom_file());
m_cdda->start_audio(m_towns_cd.cdda_current,m_towns_cd.cdda_length);