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Revert "74153: Improve interface"

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This reverts commit 13efc263fd.
This commit is contained in:
AJR 2018-01-28 13:20:42 -05:00
parent b2c69470cf
commit caf90428dc
2 changed files with 0 additions and 43 deletions
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36
src/devices/machine/74153.cpp
View File

@ -126,14 +126,6 @@ WRITE_LINE_MEMBER( ttl153_device::s1_w )
update_b();
}
WRITE8_MEMBER( ttl153_device::s_w )
{
m_s[0] = bool(BIT(data, 0));
m_s[1] = bool(BIT(data, 1));
update_a();
update_b();
}
WRITE_LINE_MEMBER( ttl153_device::i0a_w )
{
m_ia[0] = bool(state);
@ -158,15 +150,6 @@ WRITE_LINE_MEMBER( ttl153_device::i3a_w )
update_a();
}
WRITE8_MEMBER( ttl153_device::ia_w )
{
m_ia[0] = bool(BIT(data, 0));
m_ia[1] = bool(BIT(data, 1));
m_ia[2] = bool(BIT(data, 2));
m_ia[3] = bool(BIT(data, 3));
update_a();
}
WRITE_LINE_MEMBER( ttl153_device::i0b_w )
{
m_ib[0] = bool(state);
@ -190,22 +173,3 @@ WRITE_LINE_MEMBER( ttl153_device::i3b_w )
m_ib[3] = bool(state);
update_b();
}
WRITE8_MEMBER( ttl153_device::ib_w )
{
m_ib[0] = bool(BIT(data, 0));
m_ib[1] = bool(BIT(data, 1));
m_ib[2] = bool(BIT(data, 2));
m_ib[3] = bool(BIT(data, 3));
update_b();
}
READ_LINE_MEMBER( ttl153_device::za_r )
{
return m_z[0] ? 1 : 0;
}
READ_LINE_MEMBER( ttl153_device::zb_r )
{
return m_z[1] ? 1 : 0;
}

7
src/devices/machine/74153.h
View File

@ -59,25 +59,18 @@ public:
// select
DECLARE_WRITE_LINE_MEMBER(s0_w);
DECLARE_WRITE_LINE_MEMBER(s1_w);
DECLARE_WRITE8_MEMBER(s_w);
// input a
DECLARE_WRITE_LINE_MEMBER(i0a_w);
DECLARE_WRITE_LINE_MEMBER(i1a_w);
DECLARE_WRITE_LINE_MEMBER(i2a_w);
DECLARE_WRITE_LINE_MEMBER(i3a_w);
DECLARE_WRITE8_MEMBER(ia_w);
// input b
DECLARE_WRITE_LINE_MEMBER(i0b_w);
DECLARE_WRITE_LINE_MEMBER(i1b_w);
DECLARE_WRITE_LINE_MEMBER(i2b_w);
DECLARE_WRITE_LINE_MEMBER(i3b_w);
DECLARE_WRITE8_MEMBER(ib_w);
// output
DECLARE_READ_LINE_MEMBER(za_r);
DECLARE_READ_LINE_MEMBER(zb_r);
protected:
// device-level overrides