Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-24 01:11:11 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

fixedfreq: some renaming, remove members called only once. (nw)

Browse Source
This commit is contained in:
couriersud 2019-03-16 14:45:53 +01:00
parent 9ba8f09fb0
commit 4f212c5d68
3 changed files with 26 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/devices/machine/netlist.cpp
View File

@ -206,6 +206,7 @@ private:
netlist::state_var<netlist::netlist_sig_t> m_last;
};
// ----------------------------------------------------------------------------------------
// Extensions to interface netlist with MAME code ....
// ----------------------------------------------------------------------------------------

27
src/devices/video/fixfreq.cpp
View File

@ -46,7 +46,7 @@ void fixedfreq_monitor_state::update_sync_channel(const time_type &time, const d
{
//LOG("VSYNC %d %d\n", m_last_x, m_last_y + m_sig_field);
m_last_y = m_desc.m_vbackporch - m_desc.m_vsync;
m_intf.update_screen_parameters(time - m_last_vsync_time);
m_intf.vsync_start_cb(time - m_last_vsync_time);
m_last_vsync_time = time;
}
else if (last_vsync && !m_sig_vsync)
@ -79,28 +79,12 @@ void fixedfreq_monitor_state::update_sync_channel(const time_type &time, const d
m_last_sync_time = time;
}
void fixedfreq_monitor_state::compute_parameters()
{
// htotal = m_desc.m_hbackporch;
// vtotal = m_desc.m_vbackporch;
/* sync separator */
m_vsync_threshold = (exp(- 3.0/(3.0+3.0))) - exp(-1.0);
m_vsync_filter_timeconst = (double) (m_desc.m_monitor_clock) / (double) m_desc.m_hbackporch * 1.0; // / (3.0 + 3.0);
//LOG("trigger %f with len %f\n", m_vsync_threshold, 1e6 / m_vsync_filter_timeconst);
m_clock_period = 1.0 / m_desc.m_monitor_clock;
m_intf.update_screen_parameters(m_clock_period * m_desc.m_vbackporch * m_desc.m_hbackporch);
}
void fixedfreq_monitor_state::update_bm(const time_type &time)
{
const int pixels = round((time - m_line_time) * m_desc.m_hscale / m_clock_period);
const int has_fields = (m_desc.m_fieldcount > 1) ? 1: 0;
uint32_t col(0xFFFF0000); // Mark sync areas
uint32_t col(0xffff0000); // Mark sync areas
if (m_sync_signal >= m_desc.m_sync_threshold)
col = m_col;
@ -211,8 +195,7 @@ void fixedfreq_device::device_start()
m_bitmap[0] = std::make_unique<bitmap_rgb32>(m_htotal * m_monitor.m_hscale, m_vtotal);
m_bitmap[1] = std::make_unique<bitmap_rgb32>(m_htotal * m_monitor.m_hscale, m_vtotal);
m_state.dev_start_helper();
m_state.compute_parameters();
m_state.start();
// FIXME: will be done by netlist going forward
save_item(NAME(m_state.m_sync_signal));
@ -240,7 +223,7 @@ void fixedfreq_device::device_start()
void fixedfreq_device::device_reset()
{
m_state.dev_reset_helper();
m_state.reset();
}
void fixedfreq_device::device_post_load()
@ -255,7 +238,7 @@ uint32_t fixedfreq_device::screen_update(screen_device &screen, bitmap_rgb32 &bi
return 0;
}
void fixedfreq_device::update_screen_parameters(double refresh_time)
void fixedfreq_device::vsync_start_cb(double refresh_time)
{
// toggle bitmap
m_cur_bm ^= 1;

25
src/devices/video/fixfreq.h
View File

@ -59,7 +59,7 @@ struct fixedfreq_monitor_desc
struct fixedfreq_monitor_intf
{
virtual ~fixedfreq_monitor_intf() = default;
virtual void update_screen_parameters(double refresh_time) = 0;
virtual void vsync_start_cb(double refresh_time) = 0;
virtual void plot_hline(int x, int y, int w, uint32_t col) = 0;
};
@ -87,7 +87,10 @@ struct fixedfreq_monitor_state
m_sig_field(0)
{}
void dev_start_helper()
/***
* \brief To be called after monitor parameters are set
*/
void start()
{
// FIXME: once moved to netlist this may no longer be necessary.
// Only copies constructor init
@ -110,9 +113,22 @@ struct fixedfreq_monitor_state
m_sig_vsync = 0;
m_sig_composite = 0;
m_sig_field = 0;
// htotal = m_desc.m_hbackporch;
// vtotal = m_desc.m_vbackporch;
/* sync separator */
m_vsync_threshold = (exp(- 3.0/(3.0+3.0))) - exp(-1.0);
m_vsync_filter_timeconst = (double) (m_desc.m_monitor_clock) / (double) m_desc.m_hbackporch * 1.0; // / (3.0 + 3.0);
//LOG("trigger %f with len %f\n", m_vsync_threshold, 1e6 / m_vsync_filter_timeconst);
m_clock_period = 1.0 / m_desc.m_monitor_clock;
m_intf.vsync_start_cb(m_clock_period * m_desc.m_vbackporch * m_desc.m_hbackporch);
}
void dev_reset_helper()
void reset()
{
m_last_sync_time = time_type(0);
m_line_time = time_type(0);
@ -121,7 +137,6 @@ struct fixedfreq_monitor_state
m_vsync_filter = 0;
}
void compute_parameters();
void update_sync_channel(const time_type &time, const double newval);
void update_bm(const time_type &time);
void update_composite_monochrome(const time_type &time, const double newval);
@ -225,7 +240,7 @@ protected:
virtual void device_post_load() override;
//virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
void update_screen_parameters(double refresh_time) override;
void vsync_start_cb(double refresh_time) override;
void plot_hline(int x, int y, int w, uint32_t col) override;
private: