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hook up Amiga CDTV keyboard reset

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This commit is contained in:
Vas Crabb 2018-08-26 19:59:54 +10:00
parent 4b8a3b854a
commit f70581a7a9
1 changed files with 8 additions and 1 deletions
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9
src/mame/drivers/amiga.cpp
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@ -74,6 +74,10 @@ different components:
* BAS32L diode for power-on reset
* This gives delays of 152ms, 176µs, and 704ms
The equivalent circuit in the Amiga CDTV has the same thresholds as the
Amiga 2000, but uses 1kΩ resistors for timing. This gives delays of
11.2ms, 7.43ms, and 27.5ms.
*/
DECLARE_DEVICE_TYPE(A2000_KBRESET, a2000_kbreset_device)
@ -206,7 +210,7 @@ private:
u8 m_c814_charging = 1U; // U805 pin 2
};
DEFINE_DEVICE_TYPE(A2000_KBRESET, a2000_kbreset_device, "a2000kbrst", "Amiga 1000/2000 keyboard reset circuit")
DEFINE_DEVICE_TYPE(A2000_KBRESET, a2000_kbreset_device, "a2000kbrst", "Amiga 1000/2000/CDTV keyboard reset circuit")
//**************************************************************************
@ -1762,6 +1766,9 @@ MACHINE_CONFIG_START(cdtv_state::cdtv)
auto &kbd(AMIGA_KEYBOARD_INTERFACE(config, "kbd", amiga_keyboard_devices, "a2000_us"));
kbd.kclk_handler().set("cia_0", FUNC(mos8520_device::cnt_w));
kbd.kdat_handler().set("cia_0", FUNC(mos8520_device::sp_w));
A2000_KBRESET(config, "kbrst")
.set_delays(attotime::from_usec(11238), attotime::from_usec(7432), attotime::from_usec(27539))
.kbrst_cb().set(FUNC(a1000_state::kbreset_w));
// main cpu
MCFG_DEVICE_ADD("maincpu", M68000, amiga_state::CLK_7M_PAL)