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author hap <happppp@users.noreply.github.com>2014-12-21 01:06:54 +0100
committer hap <happppp@users.noreply.github.com>2014-12-21 01:06:54 +0100
commit4c7954ecd642474ba98509922db239a308ff1aeb (patch)
tree471d54cc3b23b6206cbff5d4a44a65d22b1d6730
parent4c9a57812e3b91ede1c7d1545b0ffe55be4b982a (diff)
added power-off and display-off
-rw-r--r--src/mess/drivers/tispeak.c124
1 files changed, 104 insertions, 20 deletions
diff --git a/src/mess/drivers/tispeak.c b/src/mess/drivers/tispeak.c
index b65d99f8f74..20ddb7bfeeb 100644
--- a/src/mess/drivers/tispeak.c
+++ b/src/mess/drivers/tispeak.c
@@ -20,24 +20,37 @@ public:
tispeak_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
+ m_tms5100(*this, "tms5100"),
+ m_tms6100(*this, "tms6100"),
+ m_filoff_timer(*this, "filoff"),
m_button_matrix(*this, "IN")
{ }
required_device<tms0270_cpu_device> m_maincpu;
+ required_device<tms5100_device> m_tms5100;
+ required_device<tms6100_device> m_tms6100;
+ required_device<timer_device> m_filoff_timer;
required_ioport_array<9> m_button_matrix;
UINT16 m_r;
UINT16 m_o;
+ int m_filament_on;
+ int m_power_on;
- UINT16 m_leds_state[9];
- void leds_update();
+ UINT16 m_digit_state[9];
+ void display_update();
+ TIMER_DEVICE_CALLBACK_MEMBER(delayed_filament_off);
DECLARE_READ8_MEMBER(snspell_read_k);
DECLARE_WRITE16_MEMBER(snmath_write_o);
DECLARE_WRITE16_MEMBER(snspell_write_o);
DECLARE_WRITE16_MEMBER(snspell_write_r);
+
+ DECLARE_INPUT_CHANGED_MEMBER(power_button);
DECLARE_WRITE_LINE_MEMBER(auto_power_off);
+ void power_off();
+ virtual void machine_reset();
virtual void machine_start();
};
@@ -45,22 +58,52 @@ public:
/***************************************************************************
- LEDs
+ VFD Display
***************************************************************************/
+// The device strobes the filament-enable very fast, it is unnoticeable to the user.
+// To prevent flickering here, we need to simulate a decay.
+
+// decay time in milliseconds
+#define FILOFF_DECAY_TIME 20
+
+TIMER_DEVICE_CALLBACK_MEMBER(tispeak_state::delayed_filament_off)
+{
+ // turn off display
+ m_filament_on = 0;
+ display_update();
+}
-void tispeak_state::leds_update()
+void tispeak_state::display_update()
{
- // update leds state
+ // filament on/off
+ if (m_r & 0x8000)
+ {
+ m_filament_on = 1;
+ m_filoff_timer->reset();
+ }
+ else if (m_filament_on && m_filoff_timer->time_left() == attotime::never)
+ {
+ // schedule delayed filament-off
+ m_filoff_timer->adjust(attotime::from_msec(FILOFF_DECAY_TIME));
+ }
+
+ // update digit state
for (int i = 0; i < 9; i++)
if (m_r >> i & 1)
- m_leds_state[i] = m_o & 0x3fff;
+ m_digit_state[i] = m_o;
- // if filament (R15) is on, send to output
-// if (m_r & 0x8000) // blank..
+ // send to output
for (int i = 0; i < 9; i++)
- output_set_digit_value(i, m_leds_state[i]);
+ {
+ // standard led14seg
+ output_set_digit_value(i, m_filament_on ? m_digit_state[i] & 0x3fff : 0);
+
+ // DP(display point) and AP(apostrophe) segments as lamps
+ output_set_lamp_value(i*10 + 0, m_digit_state[i] >> 14 & m_filament_on);
+ output_set_lamp_value(i*10 + 1, m_digit_state[i] >> 15 & m_filament_on);
+ }
}
@@ -88,8 +131,11 @@ READ8_MEMBER(tispeak_state::snspell_read_k)
WRITE16_MEMBER(tispeak_state::snspell_write_r)
{
+ // R0-R7: input mux and select digit (+R8 if the device has 9 digits)
+ // R15: filament on
+ // other bits: MCU internal use
m_r = data;
- leds_update();
+ display_update();
}
WRITE16_MEMBER(tispeak_state::snspell_write_o)
@@ -98,13 +144,24 @@ WRITE16_MEMBER(tispeak_state::snspell_write_o)
// E,D,C,G,B,A,I,M,L,K,N,J,[AP],H,F,[DP] (sidenote: TI KLMN = MAME MLNK)
m_o = BITSWAP16(data,12,15,10,7,8,9,11,6,13,3,14,0,1,2,4,5);
- leds_update();
+ display_update();
}
+void tispeak_state::power_off()
+{
+ m_maincpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE);
+ m_tms5100->reset();
+ m_tms6100->reset();
+
+ m_power_on = 0;
+}
+
WRITE_LINE_MEMBER(tispeak_state::auto_power_off)
{
- //if (state) printf("X");
+ // power-off request from the MCU, usually after a couple of minutes of idling
+ if (state)
+ power_off();
}
@@ -116,7 +173,7 @@ WRITE16_MEMBER(tispeak_state::snmath_write_o)
// [DP],D,C,H,F,B,I,M,L,K,N,J,[AP],E,G,A (sidenote: TI KLMN = MAME MLNK)
m_o = BITSWAP16(data,12,0,10,7,8,9,11,6,3,14,4,13,1,2,5,15);
- leds_update();
+ display_update();
}
@@ -127,6 +184,20 @@ WRITE16_MEMBER(tispeak_state::snmath_write_o)
***************************************************************************/
+INPUT_CHANGED_MEMBER(tispeak_state::power_button)
+{
+ // note: even though power buttons are on the matrix, they are not MCU-controlled
+ int on = (int)(FPTR)param;
+
+ if (on)
+ {
+ m_power_on = 1;
+ m_maincpu->set_input_line(INPUT_LINE_RESET, CLEAR_LINE);
+ }
+ else if (m_power_on)
+ power_off();
+}
+
static INPUT_PORTS_START( snspell )
PORT_START("IN.0") // R0
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A')
@@ -174,7 +245,7 @@ static INPUT_PORTS_START( snspell )
PORT_BIT( 0x1f, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("IN.7") // R7
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, (void *)0)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_NAME("Go")
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_NAME("Replay")
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_NAME("Repeat")
@@ -185,7 +256,7 @@ static INPUT_PORTS_START( snspell )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_NAME("Secret Code")
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_NAME("Letter")
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_NAME("Say It")
- PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Spell/On")
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Spell/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, (void *)1)
INPUT_PORTS_END
@@ -215,7 +286,7 @@ static INPUT_PORTS_START( snmath )
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("Enter")
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_NAME("Go")
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off")
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Off") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, (void *)0)
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED )
PORT_START("IN.4") // R4
@@ -237,7 +308,7 @@ static INPUT_PORTS_START( snmath )
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_NAME("Write It")
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_NAME("Greater/Less")
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_NAME("Word Problems")
- PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Solve It/On")
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Solve It/On") PORT_CHANGED_MEMBER(DEVICE_SELF, tispeak_state, power_button, (void *)1)
PORT_START("IN.7")
PORT_BIT( 0x1f, IP_ACTIVE_HIGH, IPT_UNUSED )
@@ -254,15 +325,27 @@ INPUT_PORTS_END
***************************************************************************/
+void tispeak_state::machine_reset()
+{
+ m_filament_on = 0;
+ m_power_on = 1;
+}
+
void tispeak_state::machine_start()
{
- memset(m_leds_state, 0, sizeof(m_leds_state));
+ // zerofill
+ memset(m_digit_state, 0, sizeof(m_digit_state));
m_r = 0;
m_o = 0;
+ m_filament_on = 0;
+ m_power_on = 0;
- save_item(NAME(m_leds_state));
+ // register for savestates
+ save_item(NAME(m_digit_state));
save_item(NAME(m_r));
save_item(NAME(m_o));
+ save_item(NAME(m_filament_on));
+ save_item(NAME(m_power_on));
}
@@ -279,7 +362,8 @@ static MACHINE_CONFIG_START( snspell, tispeak_state )
MCFG_TMS0270_WRITE_CTL_CB(DEVWRITE8("tms5100", tms5100_device, ctl_w))
MCFG_TMS0270_WRITE_PDC_CB(DEVWRITELINE("tms5100", tms5100_device, pdc_w))
- MCFG_DEFAULT_LAYOUT(layout_tispeak)
+ MCFG_TIMER_DRIVER_ADD("filoff", tispeak_state, delayed_filament_off)
+ MCFG_DEFAULT_LAYOUT(layout_tispeak) // max 9 digits
/* no video! */