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wtl3132: output callback (nw)

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This commit is contained in:
Patrick Mackinlay 2019-08-01 14:44:32 +07:00
parent 2157278ff0
commit 9c3661379d
2 changed files with 9 additions and 2 deletions
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9
src/devices/machine/wtl3132.cpp
View File

@ -21,7 +21,7 @@
#define LOG_IO (1U << 2)
#define LOG_BYPASS (1U << 3)
#define VERBOSE (LOG_GENERAL|LOG_REGS|LOG_IO|LOG_BYPASS)
//#define VERBOSE (LOG_GENERAL|LOG_REGS|LOG_IO|LOG_BYPASS)
#include "logmacro.h"
ALLOW_SAVE_TYPE(float32_t);
@ -36,6 +36,7 @@ wtl3132_device::wtl3132_device(machine_config const &mconfig, char const *tag, d
, m_fpcn_cb(*this)
, m_fpex_cb(*this)
, m_zero_cb(*this)
, m_port_x_cb(*this)
{
}
@ -44,6 +45,7 @@ void wtl3132_device::device_start()
m_fpcn_cb.resolve_safe();
m_fpex_cb.resolve_safe();
m_zero_cb.resolve_safe();
m_port_x_cb.resolve_safe();
save_item(NAME(m_fpcn_state));
save_item(NAME(m_fpex_state));
@ -286,7 +288,10 @@ void wtl3132_device::stage2(unsigned const index)
// complete fstore
if (OPF(code, IOCT) == 2)
{
m_x_port = m_x_out;
// FIXME: work out what should happen when the X port is being
// read/written in the same cycle
//m_x_port = m_x_out;
m_port_x_cb(m_x_out.v);
LOGMASKED(LOG_IO, "slot %d stage 2 fstore %f\n", index, u2f(m_x_out.v));
}
}

2
src/devices/machine/wtl3132.h
View File

@ -17,6 +17,7 @@ public:
auto out_fpcn() { return m_fpcn_cb.bind(); }
auto out_fpex() { return m_fpex_cb.bind(); }
auto out_zero() { return m_zero_cb.bind(); }
auto out_port_x() { return m_port_x_cb.bind(); }
// code and data ports
void c_port_w(u64 data) { m_c_port = data; }
@ -119,6 +120,7 @@ private:
devcb_write_line m_fpcn_cb;
devcb_write_line m_fpex_cb;
devcb_write_line m_zero_cb;
devcb_write32 m_port_x_cb;
// output line state
bool m_fpcn_state;