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// license:BSD-3-Clause
// copyright-holders:David Haywood
/*
THIS IMPLEMENTATION IS ENTIRELY INCORRECT AND SHOULD NOT BE TRUSTED!
*/
#include "emu.h"
#include "cedar_magnet_sound.h"
extern const device_type CEDAR_MAGNET_SOUND = &device_creator<cedar_magnet_sound_device>;
cedar_magnet_sound_device::cedar_magnet_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: cedar_magnet_board_device(mconfig, CEDAR_MAGNET_SOUND, "Cedar Sound", tag, owner, clock, "cedmag_sound", __FILE__),
m_ctc0(*this, "ctc0"),
m_ctc1(*this, "ctc1")
{
}
READ8_MEMBER(cedar_magnet_sound_device::top_port14_r)
{
// UINT8 ret = m_command;
// m_command = 0;
return rand();
}
void cedar_magnet_sound_device::write_command(UINT8 data)
{
m_command = data;
m_cpu->set_input_line(0, HOLD_LINE);
}
static ADDRESS_MAP_START( cedar_magnet_sound_map, AS_PROGRAM, 8, cedar_magnet_sound_device )
AM_RANGE(0x0000, 0xffff) AM_RAM AM_SHARE("ram")
ADDRESS_MAP_END
static ADDRESS_MAP_START( cedar_magnet_sound_io, AS_IO, 8, cedar_magnet_sound_device )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x00, 0x03) AM_DEVREADWRITE("ctc0", z80ctc_device, read, write)
AM_RANGE(0x04, 0x07) AM_DEVREADWRITE("ctc1", z80ctc_device, read, write)
AM_RANGE(0x0c, 0x0c) AM_DEVWRITE("aysnd0", ay8910_device, address_w)
AM_RANGE(0x0d, 0x0d) AM_DEVWRITE("aysnd0", ay8910_device, data_w)
AM_RANGE(0x10, 0x10) AM_DEVWRITE("aysnd1", ay8910_device, address_w)
AM_RANGE(0x11, 0x11) AM_DEVWRITE("aysnd1", ay8910_device, data_w)
AM_RANGE(0x14, 0x14) AM_READ(top_port14_r)
ADDRESS_MAP_END
WRITE_LINE_MEMBER(cedar_magnet_sound_device::ctc0_z0_w)
{
// printf("USED ctc0_z0_w %d\n", state);
}
WRITE_LINE_MEMBER(cedar_magnet_sound_device::ctc0_z1_w)
{
// printf("USED ctc0_z1_w %d\n", state);
}
// I don't think any of the below are used
WRITE_LINE_MEMBER(cedar_magnet_sound_device::ctc1_z0_w)
{
printf("ctc1_z0_w %d\n", state);
}
WRITE_LINE_MEMBER(cedar_magnet_sound_device::ctc1_z1_w)
{
printf("ctc1_z1_w %d\n", state);
}
WRITE_LINE_MEMBER(cedar_magnet_sound_device::ctc1_z2_w)
{
printf("ctc1_z2_w %d\n", state);
}
WRITE_LINE_MEMBER(cedar_magnet_sound_device::ctc0_z2_w)
{
printf("ctc0_z2_w %d\n", state);
}
WRITE_LINE_MEMBER(cedar_magnet_sound_device::ctc0_int_w)
{
//printf("ctc0_int_w %d\n", state);
}
WRITE_LINE_MEMBER(cedar_magnet_sound_device::ctc1_int_w)
{
/*
switch (rand()&0x1)
{
case 0x00:
m_ctc0->trg0(rand()&1);
break;
case 0x01:
m_ctc0->trg1(rand()&1);
break;
}
*/
}
#if 0
static const z80_daisy_config daisy_chain[] =
{
{ "ctc1" },
{ "ctc0" },
{ nullptr }
};
#endif
static MACHINE_CONFIG_FRAGMENT( cedar_magnet_sound )
MCFG_CPU_ADD("topcpu", Z80,4000000)
MCFG_CPU_PROGRAM_MAP(cedar_magnet_sound_map)
MCFG_CPU_IO_MAP(cedar_magnet_sound_io)
// MCFG_Z80_DAISY_CHAIN(daisy_chain)
MCFG_DEVICE_ADD("ctc0", Z80CTC, 4000000/8 )
MCFG_Z80CTC_INTR_CB(WRITELINE(cedar_magnet_sound_device, ctc0_int_w))
MCFG_Z80CTC_ZC0_CB(WRITELINE(cedar_magnet_sound_device, ctc0_z0_w))
MCFG_Z80CTC_ZC1_CB(WRITELINE(cedar_magnet_sound_device, ctc0_z1_w))
MCFG_Z80CTC_ZC2_CB(WRITELINE(cedar_magnet_sound_device, ctc0_z2_w))
MCFG_DEVICE_ADD("ctc1", Z80CTC, 4000000/8 )
MCFG_Z80CTC_INTR_CB(INPUTLINE("topcpu", INPUT_LINE_IRQ0))
// MCFG_Z80CTC_INTR_CB(DEVWRITELINE("ctc0", z80ctc_device, trg0))
MCFG_Z80CTC_INTR_CB(WRITELINE(cedar_magnet_sound_device, ctc1_int_w))
MCFG_Z80CTC_ZC0_CB(WRITELINE(cedar_magnet_sound_device, ctc1_z0_w))
MCFG_Z80CTC_ZC1_CB(WRITELINE(cedar_magnet_sound_device, ctc1_z1_w))
MCFG_Z80CTC_ZC2_CB(WRITELINE(cedar_magnet_sound_device, ctc1_z2_w))
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("aysnd0", AY8910, 4000000/2)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.5)
MCFG_SOUND_ADD("aysnd1", AY8910, 4000000/2)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.5)
MCFG_SOUND_ADD("adpcm", MSM5205, 4000000/16)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50)
MACHINE_CONFIG_END
machine_config_constructor cedar_magnet_sound_device::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( cedar_magnet_sound );
}
void cedar_magnet_sound_device::device_start()
{
m_cpu = subdevice<z80_device>("topcpu");
m_ram = (UINT8*)memshare("ram")->ptr();
}
void cedar_magnet_sound_device::device_reset()
{
m_command = 0;
cedar_magnet_board_device::device_reset();
}
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