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author hap <happppp@users.noreply.github.com>2017-07-29 21:58:06 +0200
committer hap <happppp@users.noreply.github.com>2017-07-29 21:58:31 +0200
commitc8c3f073f9f02ad2d99f6b46d9b3c784327a5be2 (patch)
treea28e386bf9dae2c1c7922b9ef93fb7c3dd56fee0 /src/mame/drivers/k28.cpp
parent70115f6f2541919b596e75f191a499cf12bbb8cf (diff)
hh*: added output finder (nw)
Diffstat (limited to 'src/mame/drivers/k28.cpp')
-rw-r--r--src/mame/drivers/k28.cpp60
1 files changed, 22 insertions, 38 deletions
diff --git a/src/mame/drivers/k28.cpp b/src/mame/drivers/k28.cpp
index 1debe2a5faf..5e4cf519161 100644
--- a/src/mame/drivers/k28.cpp
+++ b/src/mame/drivers/k28.cpp
@@ -38,6 +38,9 @@ public:
m_speech(*this, "speech"),
m_onbutton_timer(*this, "on_button"),
m_inp_matrix(*this, "IN.%u", 0),
+ m_out_x(*this, "%u.%u", 0U, 0U),
+ m_out_a(*this, "%u.a", 0U),
+ m_out_digit(*this, "digit%u", 0U),
m_display_wait(33),
m_display_maxy(1),
m_display_maxx(0)
@@ -49,6 +52,9 @@ public:
required_device<votrax_sc01_device> m_speech;
required_device<timer_device> m_onbutton_timer;
required_ioport_array<7> m_inp_matrix;
+ output_finder<0x20, 0x20> m_out_x;
+ output_finder<0x20> m_out_a;
+ output_finder<0x20> m_out_digit;
// display common
int m_display_wait; // led/lamp off-delay in milliseconds (default 33ms)
@@ -57,7 +63,6 @@ public:
u32 m_display_state[0x20]; // display matrix rows data (last bit is used for always-on)
u16 m_display_segmask[0x20]; // if not 0, display matrix row is a digit, mask indicates connected segments
- u32 m_display_cache[0x20]; // (internal use)
u8 m_display_decay[0x20][0x20]; // (internal use)
TIMER_DEVICE_CALLBACK_MEMBER(display_decay_tick);
@@ -96,9 +101,13 @@ protected:
void k28_state::machine_start()
{
+ // resolve handlers
+ m_out_x.resolve();
+ m_out_a.resolve();
+ m_out_digit.resolve();
+
// zerofill
memset(m_display_state, 0, sizeof(m_display_state));
- memset(m_display_cache, ~0, sizeof(m_display_cache));
memset(m_display_decay, 0, sizeof(m_display_decay));
memset(m_display_segmask, 0, sizeof(m_display_segmask));
@@ -119,7 +128,6 @@ void k28_state::machine_start()
save_item(NAME(m_display_wait));
save_item(NAME(m_display_state));
- /* save_item(NAME(m_display_cache)); */ // don't save!
save_item(NAME(m_display_decay));
save_item(NAME(m_display_segmask));
@@ -168,11 +176,9 @@ void k28_state::power_off()
void k28_state::display_update()
{
- u32 active_state[0x20];
-
for (int y = 0; y < m_display_maxy; y++)
{
- active_state[y] = 0;
+ u32 active_state = 0;
for (int x = 0; x <= m_display_maxx; x++)
{
@@ -182,41 +188,19 @@ void k28_state::display_update()
// determine active state
u32 ds = (m_display_decay[y][x] != 0) ? 1 : 0;
- active_state[y] |= (ds << x);
- }
- }
+ active_state |= (ds << x);
- // on difference, send to output
- for (int y = 0; y < m_display_maxy; y++)
- if (m_display_cache[y] != active_state[y])
- {
- if (m_display_segmask[y] != 0)
- output().set_digit_value(y, active_state[y] & m_display_segmask[y]);
-
- const int mul = (m_display_maxx <= 10) ? 10 : 100;
- for (int x = 0; x <= m_display_maxx; x++)
- {
- int state = active_state[y] >> x & 1;
- char buf1[0x10]; // lampyx
- char buf2[0x10]; // y.x
-
- if (x == m_display_maxx)
- {
- // always-on if selected
- sprintf(buf1, "lamp%da", y);
- sprintf(buf2, "%d.a", y);
- }
- else
- {
- sprintf(buf1, "lamp%d", y * mul + x);
- sprintf(buf2, "%d.%d", y, x);
- }
- output().set_value(buf1, state);
- output().set_value(buf2, state);
- }
+ // output to y.x, or y.a when always-on
+ if (x != m_display_maxx)
+ m_out_x[y][x] = ds;
+ else
+ m_out_a[y] = ds;
}
- memcpy(m_display_cache, active_state, sizeof(m_display_cache));
+ // output to digity
+ if (m_display_segmask[y] != 0)
+ m_out_digit[y] = active_state & m_display_segmask[y];
+ }
}
TIMER_DEVICE_CALLBACK_MEMBER(k28_state::display_decay_tick)