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AMPRO: Replaced timer with clock device (nw)

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This commit is contained in:
Robbbert 2016-07-30 19:39:44 +10:00
parent c597f40d83
commit cd759f8c19
1 changed files with 18 additions and 15 deletions
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33
src/mame/drivers/ampro.cpp
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@ -27,6 +27,7 @@ ToDo:
#include "machine/z80ctc.h"
#include "machine/z80dart.h"
#include "machine/wd_fdc.h"
#include "machine/clock.h"
#include "softlist.h"
class ampro_state : public driver_device
@ -35,8 +36,8 @@ public:
ampro_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_dart(*this, "z80dart")
, m_ctc (*this, "z80ctc")
, m_dart(*this, "dart")
, m_ctc (*this, "ctc")
, m_fdc (*this, "fdc")
, m_floppy0(*this, "fdc:0")
{ }
@ -48,6 +49,8 @@ public:
DECLARE_WRITE8_MEMBER(port00_w);
DECLARE_READ8_MEMBER(io_r);
DECLARE_WRITE8_MEMBER(io_w);
WRITE_LINE_MEMBER(clock_w);
private:
required_device<cpu_device> m_maincpu;
required_device<z80dart_device> m_dart;
@ -112,18 +115,16 @@ ADDRESS_MAP_END
static const z80_daisy_config daisy_chain_intf[] =
{
{ "z80ctc" },
{ "z80dart" },
{ "ctc" },
{ "dart" },
{ nullptr }
};
// Baud rate generator. All inputs are 2MHz.
TIMER_DEVICE_CALLBACK_MEMBER( ampro_state::ctc_tick )
DECLARE_WRITE_LINE_MEMBER( ampro_state::clock_w )
{
m_ctc->trg0(1);
m_ctc->trg0(0);
m_ctc->trg1(1);
m_ctc->trg1(0);
m_ctc->trg0(state);
m_ctc->trg1(state);
}
WRITE_LINE_MEMBER( ampro_state::ctc_z0_w )
@ -163,22 +164,24 @@ static MACHINE_CONFIG_START( ampro, ampro_state )
MCFG_Z80_DAISY_CHAIN(daisy_chain_intf)
MCFG_MACHINE_RESET_OVERRIDE(ampro_state, ampro)
MCFG_DEVICE_ADD("ctc_clock", CLOCK, XTAL_16MHz / 8) // 2MHz
MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(ampro_state, clock_w))
/* Devices */
MCFG_DEVICE_ADD("z80ctc", Z80CTC, XTAL_16MHz / 4)
MCFG_DEVICE_ADD("ctc", Z80CTC, XTAL_16MHz / 4)
MCFG_Z80CTC_INTR_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
MCFG_Z80CTC_ZC0_CB(WRITELINE(ampro_state, ctc_z0_w)) // Z80DART Ch A, SIO Ch A
MCFG_Z80CTC_ZC1_CB(DEVWRITELINE("z80dart", z80dart_device, rxtxcb_w)) // SIO Ch B
MCFG_Z80CTC_ZC1_CB(DEVWRITELINE("dart", z80dart_device, rxtxcb_w)) // SIO Ch B
MCFG_Z80DART_ADD("z80dart", XTAL_16MHz / 4, 0, 0, 0, 0 )
MCFG_Z80DART_ADD("dart", XTAL_16MHz / 4, 0, 0, 0, 0 )
MCFG_Z80DART_OUT_TXDA_CB(DEVWRITELINE("rs232", rs232_port_device, write_txd))
MCFG_Z80DART_OUT_DTRA_CB(DEVWRITELINE("rs232", rs232_port_device, write_dtr))
MCFG_Z80DART_OUT_RTSA_CB(DEVWRITELINE("rs232", rs232_port_device, write_rts))
MCFG_Z80DART_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0))
MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, "terminal")
MCFG_RS232_RXD_HANDLER(DEVWRITELINE("z80dart", z80dart_device, rxa_w))
MCFG_RS232_RXD_HANDLER(DEVWRITELINE("dart", z80dart_device, rxa_w))
MCFG_TIMER_DRIVER_ADD_PERIODIC("ctc_tick", ampro_state, ctc_tick, attotime::from_hz(XTAL_16MHz / 8))
MCFG_WD1772_ADD("fdc", XTAL_16MHz / 2)
MCFG_FLOPPY_DRIVE_ADD("fdc:0", ampro_floppies, "525dd", floppy_image_device::default_floppy_formats)
MCFG_FLOPPY_DRIVE_SOUND(true)
@ -199,4 +202,4 @@ ROM_END
/* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
COMP( 1980, ampro, 0, 0, ampro, ampro, ampro_state, ampro, "Ampro", "Little Z80 Board", MACHINE_NO_SOUND_HW)
COMP( 1980, ampro, 0, 0, ampro, ampro, ampro_state, ampro, "Ampro", "Little Z80 Board", 0 )