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author AJR <ajrhacker@users.noreply.github.com>2018-01-17 14:27:16 -0500
committer AJR <ajrhacker@users.noreply.github.com>2018-01-17 14:27:16 -0500
commita34468cd8630b2d8f72f2f28d53c46c2346ad525 (patch)
treed829f6d1ab1a3aa30d72033490a5959e27e2f096
parent14282a25fecb617781f514c6cc0c054637f44846 (diff)
tv912.cpp: Add key matrix structure and beeper (nw)
-rw-r--r--src/devices/video/tms9927.cpp10
-rw-r--r--src/mame/drivers/tv912.cpp439
2 files changed, 431 insertions, 18 deletions
diff --git a/src/devices/video/tms9927.cpp b/src/devices/video/tms9927.cpp
index 78aa875f2b9..fbe22566171 100644
--- a/src/devices/video/tms9927.cpp
+++ b/src/devices/video/tms9927.cpp
@@ -242,11 +242,19 @@ WRITE8_MEMBER( tms9927_device::write )
case 0x03: /* SKEW BITS / DATA ROWS PER FRAME */
case 0x04: /* SCAN LINES / FRAME */
case 0x05: /* VERTICAL DATA START */
- case 0x06: /* LAST DISPLAYED DATA ROW */
m_reg[offset] = data;
recompute_parameters(false);
break;
+ case 0x06: /* LAST DISPLAYED DATA ROW */
+ // TVI-912 writes to this register frequently
+ if (m_reg[offset] != data)
+ {
+ m_reg[offset] = data;
+ recompute_parameters(false);
+ }
+ break;
+
case 0x0c: /* LOAD CURSOR CHARACTER ADDRESS */
case 0x0d: /* LOAD CURSOR ROW ADDRESS */
m_reg[offset - 0x0c + 7] = data;
diff --git a/src/mame/drivers/tv912.cpp b/src/mame/drivers/tv912.cpp
index 75eb5549149..1b666ce59a5 100644
--- a/src/mame/drivers/tv912.cpp
+++ b/src/mame/drivers/tv912.cpp
@@ -17,8 +17,10 @@
//#include "bus/rs232/rs232.h"
//#include "machine/ay31015.h"
#include "machine/bankdev.h"
+#include "sound/beep.h"
#include "video/tms9927.h"
#include "screen.h"
+#include "speaker.h"
#define CHAR_WIDTH 14
@@ -30,11 +32,14 @@ public:
, m_maincpu(*this, "maincpu")
, m_crtc(*this, "crtc")
, m_bankdev(*this, "bankdev")
+ , m_beep(*this, "beep")
, m_dispram_bank(*this, "dispram")
, m_p_chargen(*this, "chargen")
- , m_sw2(*this, "SW2")
+ , m_keys(*this, "KEY%u", 0)
+ , m_modifiers(*this, "MODIFIERS")
{ }
+ DECLARE_WRITE8_MEMBER(p1_w);
DECLARE_WRITE8_MEMBER(p2_w);
DECLARE_READ8_MEMBER(crtc_r);
DECLARE_WRITE8_MEMBER(crtc_w);
@@ -46,18 +51,25 @@ public:
void tv912(machine_config &config);
private:
virtual void machine_start() override;
- virtual void machine_reset() override;
required_device<cpu_device> m_maincpu;
required_device<tms9927_device> m_crtc;
required_device<address_map_bank_device> m_bankdev;
+ required_device<beep_device> m_beep;
required_memory_bank m_dispram_bank;
required_region_ptr<u8> m_p_chargen;
- required_ioport m_sw2;
+ required_ioport_array<32> m_keys;
+ required_ioport m_modifiers;
+ u8 m_keyboard_scan;
std::unique_ptr<u8[]> m_dispram;
};
+WRITE8_MEMBER(tv912_state::p1_w)
+{
+ m_keyboard_scan = data;
+}
+
WRITE8_MEMBER(tv912_state::p2_w)
{
// P20-P23: Address Signals (4MSBS)
@@ -81,10 +93,11 @@ WRITE8_MEMBER(tv912_state::crtc_w)
READ8_MEMBER(tv912_state::keyboard_r)
{
- u8 result = 0xff;
+ u8 result = m_modifiers->read();
- if (!BIT(m_sw2->read(), 0))
- result &= 0x7f;
+ for (int b = 0; b < 8; b++)
+ if (!BIT(m_keyboard_scan, b))
+ result &= m_keys[b + offset * 8]->read();
return result;
}
@@ -95,7 +108,9 @@ WRITE8_MEMBER(tv912_state::output_40c)
// Bit 4: +SEL LPT
// Bit 3: -BREAK
// Bit 2: -RQS
+
// Bit 1: +BEEP
+ m_beep->set_state(BIT(data, 1));
// Bit 0: +PG SEL
m_dispram_bank->set_entry(BIT(data, 0));
@@ -111,14 +126,10 @@ void tv912_state::machine_start()
m_dispram = make_unique_clear<u8[]>(0x1000);
m_dispram_bank->configure_entries(0, 2, m_dispram.get(), 0x800);
+ save_item(NAME(m_keyboard_scan));
save_pointer(NAME(m_dispram.get()), 0x1000);
}
-void tv912_state::machine_reset()
-{
- m_dispram_bank->set_entry(0);
-}
-
static ADDRESS_MAP_START( prog_map, AS_PROGRAM, 8, tv912_state )
AM_RANGE(0x000, 0xfff) AM_ROM AM_REGION("maincpu", 0)
ADDRESS_MAP_END
@@ -136,26 +147,416 @@ static ADDRESS_MAP_START( bank_map, 0, 8, tv912_state )
ADDRESS_MAP_END
static INPUT_PORTS_START( switches )
- PORT_START("SW2")
- PORT_DIPNAME(0x01, 0x01, "Refresh Rate") PORT_DIPLOCATION("S2:4")
+ PORT_START("MODIFIERS")
+ PORT_DIPNAME(0x80, 0x80, "Refresh Rate") PORT_DIPLOCATION("S2:4")
PORT_DIPSETTING(0x00, "50 Hz")
- PORT_DIPSETTING(0x01, "60 Hz")
+ PORT_DIPSETTING(0x80, "60 Hz")
+ PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Alpha Lock") PORT_CODE(KEYCODE_CAPSLOCK)
+ PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT)
+ PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL)
+ PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Funct") PORT_CODE(KEYCODE_LALT)
+ PORT_BIT(0x23, IP_ACTIVE_LOW, IPT_UNUSED)
ADDRESS_MAP_END
static INPUT_PORTS_START( tv912b )
PORT_INCLUDE(switches)
+
+ PORT_START("KEY0")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY1")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY2")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY3")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY4")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY5")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY6")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY7")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY8")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY9")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY10")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY11")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY12")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY13")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY14")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY15")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY16")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY17")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY18")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY19")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY20")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY21")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY22")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY23")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY24")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY25")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY26")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY27")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY28")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY29")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY30")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY31")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
INPUT_PORTS_END
static INPUT_PORTS_START( tv912c )
PORT_INCLUDE(switches)
+
+ PORT_START("KEY0")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY1")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY2")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY3")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY4")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY5")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY6")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY7")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY8")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY9")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY10")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY11")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY12")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY13")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY14")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY15")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY16")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY17")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY18")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY19")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY20")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY21")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY22")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY23")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY24")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY25")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY26")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY27")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY28")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY29")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY30")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
+
+ PORT_START("KEY31")
+ PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNKNOWN)
+ PORT_BIT(0xdc, IP_ACTIVE_LOW, IPT_UNUSED)
INPUT_PORTS_END
MACHINE_CONFIG_START(tv912_state::tv912)
MCFG_CPU_ADD("maincpu", I8035, XTAL_23_814MHz / 4)
MCFG_CPU_PROGRAM_MAP(prog_map)
MCFG_CPU_IO_MAP(io_map)
+ MCFG_MCS48_PORT_P1_OUT_CB(WRITE8(tv912_state, p1_w))
MCFG_MCS48_PORT_P2_OUT_CB(WRITE8(tv912_state, p2_w))
- MCFG_MCS48_PORT_T1_IN_CB(DEVREADLINE("crtc", tms9927_device, bl_r))
+ MCFG_MCS48_PORT_T1_IN_CB(DEVREADLINE("crtc", tms9927_device, bl_r)) MCFG_DEVCB_INVERT
MCFG_DEVICE_ADD("bankdev", ADDRESS_MAP_BANK, 0)
MCFG_DEVICE_PROGRAM_MAP(bank_map)
@@ -170,6 +571,10 @@ MACHINE_CONFIG_START(tv912_state::tv912)
MCFG_DEVICE_ADD("crtc", TMS9927, XTAL_23_814MHz)
MCFG_TMS9927_CHAR_WIDTH(CHAR_WIDTH)
MCFG_TMS9927_VSYN_CALLBACK(INPUTLINE("maincpu", MCS48_INPUT_IRQ))
+
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("beep", BEEP, XTAL_23_814MHz / 7 / 11 / 256) // nominally 1200 Hz (same clock as for 75 baud setting)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_CONFIG_END
/**************************************************************************************************************
@@ -197,5 +602,5 @@ ROM_START( tv912b )
ROM_LOAD( "televideo912b_rom_a3.bin", 0x0000, 0x0800, CRC(bb9a7fbd) SHA1(5f1c4d41b25bd3ca4dbc336873362935daf283da) ) // 2316E
ROM_END
-COMP( 1978, tv912c, 0, 0, tv912, tv912c, tv912_state, 0, "TeleVideo Systems", "TVI-912C", MACHINE_IS_SKELETON )
-COMP( 1978, tv912b, tv912c, 0, tv912, tv912b, tv912_state, 0, "TeleVideo Systems", "TVI-912B", MACHINE_IS_SKELETON )
+COMP( 1978, tv912c, 0, 0, tv912, tv912c, tv912_state, 0, "TeleVideo Systems", "TVI-912C", MACHINE_NOT_WORKING )
+COMP( 1978, tv912b, tv912c, 0, tv912, tv912b, tv912_state, 0, "TeleVideo Systems", "TVI-912B", MACHINE_NOT_WORKING )