diff options
Diffstat (limited to 'src/mame/machine/xavix2002_io.cpp')
-rw-r--r-- | src/mame/machine/xavix2002_io.cpp | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/mame/machine/xavix2002_io.cpp b/src/mame/machine/xavix2002_io.cpp index dba15cd36e0..e5ecc03b73a 100644 --- a/src/mame/machine/xavix2002_io.cpp +++ b/src/mame/machine/xavix2002_io.cpp @@ -52,6 +52,7 @@ WRITE8_MEMBER(xavix2002_io_device::pio_dir_w) if (offset < 3) { m_sx_pio_dir[offset] = data; + pio_out_w(space,offset, m_sx_pio_out[offset]); // update port? } } @@ -79,7 +80,7 @@ WRITE8_MEMBER(xavix2002_io_device::pio_out_w) // TODO: look at direction register - uint8_t outdata = m_sx_pio_out[offset]; + uint8_t outdata = m_sx_pio_out[offset] & m_sx_pio_dir[offset]; switch (offset) { @@ -96,14 +97,13 @@ READ8_MEMBER(xavix2002_io_device::pio_out_r) // what does this actually read? LOG("%s: superxavix pio_out_r (port %d)\n", machine().describe_context(), offset); - return 0x00; -// uint8_t ret = 0x00; + uint8_t ret = 0x00; -// if (offset<3) -// ret = m_sx_pio_out[offset]; + if (offset<3) + ret = m_sx_pio_out[offset]; -// return ret; + return ret; } |