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author andreasnaive <andreasnaive@gmail.com>2019-03-25 22:44:58 +0100
committer andreasnaive <andreasnaive@gmail.com>2019-03-25 22:44:58 +0100
commitc24473ddff715ecec2e258a6eb38960cf8c8e98e (patch)
tree8ea44b6396a6129913c0aac13859b5de9965e972 /src/devices/bus/spectrum/protek.cpp
parent009cba4fb8102102168ef32870892438327f3705 (diff)
parent598cd5227223c3b04ca31f0dbc1981256d9ea3ff (diff)
conflict resolution (nw)
Diffstat (limited to 'src/devices/bus/spectrum/protek.cpp')
-rw-r--r--src/devices/bus/spectrum/protek.cpp17
1 files changed, 10 insertions, 7 deletions
diff --git a/src/devices/bus/spectrum/protek.cpp b/src/devices/bus/spectrum/protek.cpp
index a3f3a1838f8..d1e122d8dbb 100644
--- a/src/devices/bus/spectrum/protek.cpp
+++ b/src/devices/bus/spectrum/protek.cpp
@@ -72,17 +72,20 @@ void spectrum_protek_device::device_start()
// IMPLEMENTATION
//**************************************************************************
-READ8_MEMBER(spectrum_protek_device::port_fe_r)
+uint8_t spectrum_protek_device::iorq_r(offs_t offset)
{
uint8_t data = 0xff;
- uint8_t lines = offset >> 8;
+ switch (offset & 0xff)
+ {
+ case 0xfe:
+ if (((offset >> 8) & 8) == 0)
+ data = m_exp_line3->read() | (0xff ^ 0x10);
- if ((lines & 8) == 0)
- data = m_exp_line3->read() | (0xff ^ 0x10);
-
- if ((lines & 16) == 0)
- data = m_exp_line4->read() | (0xff ^ 0x1d);
+ if (((offset >> 8) & 16) == 0)
+ data = m_exp_line4->read() | (0xff ^ 0x1d);
+ break;
+ }
return data;
}