From 73e9041964e545be34b0bee21091a636e5b077be Mon Sep 17 00:00:00 2001 From: cracyc Date: Sun, 15 Apr 2018 21:32:08 -0500 Subject: [PATCH] pc9801: force fail unknown device probe (nw) --- src/mame/drivers/pc9801.cpp | 1 + 1 file changed, 1 insertion(+) diff --git a/src/mame/drivers/pc9801.cpp b/src/mame/drivers/pc9801.cpp index d77cef221fe..3618052ae4d 100644 --- a/src/mame/drivers/pc9801.cpp +++ b/src/mame/drivers/pc9801.cpp @@ -1493,6 +1493,7 @@ void pc9801_state::pc9821_io(address_map &map) // AM_RANGE(0x0cc0, 0x0cc7) SCSI interface / // AM_RANGE(0x0cfc, 0x0cff) PCI bus map(0x1e8c, 0x1e8f).noprw(); // IDE RAM switch + map(0x2ed0, 0x2edf).r(read8_delegate([](address_space &s, offs_t o, u8 mm) { return 0xff; }, "pc9821_unkaudio")).umask32(0xffffffff); // unknown sound related map(0x3fd8, 0x3fdf).rw(m_pit8253, FUNC(pit8253_device::read), FUNC(pit8253_device::write)).umask32(0xff00ff00); // / pit mirror ports map(0x7fd8, 0x7fdf).rw("ppi8255_mouse", FUNC(i8255_device::read), FUNC(i8255_device::write)).umask32(0xff00ff00); map(0x841c, 0x841f).rw(this, FUNC(pc9801_state::sdip_0_r), FUNC(pc9801_state::sdip_0_w));