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author Michael Zapf <github@mizapf.de>2020-04-06 13:56:08 +0200
committer Michael Zapf <github@mizapf.de>2020-04-06 13:56:08 +0200
commit1bd6f295c97823d9aca6d35478c109a4a1b27e49 (patch)
tree12945bcfd4c4dec06046c3476f1811f91016944b
parentbbb1cf792a78349d9019a9170db3124038be6f8f (diff)
Changed output to deliver either 0 or 1, not -1. (nw)
-rw-r--r--src/devices/machine/7474.cpp8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/devices/machine/7474.cpp b/src/devices/machine/7474.cpp
index ea2f315c72f..ae2a90e8f61 100644
--- a/src/devices/machine/7474.cpp
+++ b/src/devices/machine/7474.cpp
@@ -128,13 +128,13 @@ void ttl7474_device::update()
if (m_output != m_last_output)
{
m_last_output = m_output;
- m_output_func(m_output);
+ m_output_func(m_output!=0);
}
// call callback if any of the outputs changed
if (m_output_comp != m_last_output_comp)
{
m_last_output_comp = m_output_comp;
- m_comp_output_func(m_output_comp);
+ m_comp_output_func(m_output_comp!=0);
}
}
@@ -189,7 +189,7 @@ WRITE_LINE_MEMBER( ttl7474_device::d_w )
READ_LINE_MEMBER( ttl7474_device::output_r )
{
- return m_output;
+ return m_output!=0;
}
@@ -199,7 +199,7 @@ READ_LINE_MEMBER( ttl7474_device::output_r )
READ_LINE_MEMBER( ttl7474_device::output_comp_r )
{
- return m_output_comp;
+ return m_output_comp!=0;
}
void ttl7474_device::init()