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// license:BSD-3-Clause
// copyright-holders:David Haywood
/*

    Scorpion 5

    Skeleton Driver - For note keeping.

    This system is not emulated.

*/


#include "emu.h"

#include "includes/bfm_sc5.h"


#include "machine/mcf5206e.h"
#include "bfm_sc5.lh"
#include "video/awpvid.h"
#include "machine/bfm_sc45_helper.h"



WRITE16_MEMBER( bfm_sc5_state::sc5_duart_w )
{
	// clearly a duart of some kind, write patterns are the same as SC4 games
//  printf("%s: duart_w %1x %04x %04x\n", machine().describe_context(), offset, data, mem_mask);

	if (mem_mask &0xff00)
	{
		m_duart->write(space,offset,(data>>8)&0x00ff);
	}
	else
	{
		logerror("%s: duart_w %1x %04x %04x\n", machine().describe_context(), offset, data, mem_mask);
	}

}

READ8_MEMBER( bfm_sc5_state::sc5_mux1_r )
{
	switch (offset)
	{
		case 0x20:
			return machine().rand();
	}

	printf("%s: sc5_mux1_r %1x\n", machine().describe_context(), offset);

	return 0x00;
}


WRITE8_MEMBER( bfm_sc5_state::sc5_mux1_w )
{
	if ((offset&0xf)==0)
	{
		mux_output_w(space, (offset & 0x01f0)>>4, data);
	}
	else
	{
		printf("%s: sc5_mux1_w %1x %04x\n", machine().describe_context(), offset, data);
	}
}



WRITE8_MEMBER( bfm_sc5_state::sc5_mux2_w )
{
	if ((offset&0xf)==0)
	{
		mux_output2_w(space, (offset & 0x01f0)>>4, data);
	}
	else
	{
		printf("%s: sc5_mux2_w %1x %04x\n", machine().describe_context(), offset, data);
	}
}


static ADDRESS_MAP_START( sc5_map, AS_PROGRAM, 32, bfm_sc5_state )
	// ROM (max size?)
	AM_RANGE(0x00000000, 0x002fffff) AM_ROM
	// ?
	AM_RANGE(0x01000000, 0x0100ffff) AM_RAM

#if 1
	// dev1
	AM_RANGE(0x01010000, 0x010101ff) AM_READWRITE8(sc5_mux1_r, sc5_mux1_w,0xffffffff) // guess
#endif

#if 0

	AM_RANGE(0x01010200, 0x01010203) AM_WRITENOP
	AM_RANGE(0x01010210, 0x01010213) AM_WRITENOP
	AM_RANGE(0x01010220, 0x01010223) AM_WRITENOP
	AM_RANGE(0x01010230, 0x01010233) AM_WRITENOP

	AM_RANGE(0x01010280, 0x01010283) AM_WRITENOP

	AM_RANGE(0x010102a0, 0x010102a3) AM_WRITENOP

	AM_RANGE(0x010102c0, 0x010102c3) AM_WRITENOP

	AM_RANGE(0x010102f0, 0x010102f3) AM_WRITENOP

	AM_RANGE(0x01010300, 0x01010303) AM_WRITENOP

	AM_RANGE(0x01010330, 0x01010333) AM_WRITENOP

	AM_RANGE(0x01010360, 0x01010363) AM_WRITENOP

	AM_RANGE(0x01010380, 0x01010383) AM_WRITENOP
	AM_RANGE(0x01010390, 0x01010393) AM_WRITENOP
#endif

#if 1
	// dev2
	AM_RANGE(0x01020000, 0x010201ff) AM_WRITE8(sc5_mux2_w,0xffffffff) // guess
#endif

#if 0

	AM_RANGE(0x01020200, 0x01020203) AM_WRITENOP
	AM_RANGE(0x01020210, 0x01020213) AM_WRITENOP
	AM_RANGE(0x01020220, 0x01020223) AM_WRITENOP
	AM_RANGE(0x01020230, 0x01020233) AM_WRITENOP

	AM_RANGE(0x01020280, 0x01020283) AM_WRITENOP

	AM_RANGE(0x010202a0, 0x010202a3) AM_WRITENOP
	AM_RANGE(0x010202b0, 0x010202b3) AM_WRITENOP
	AM_RANGE(0x010202c0, 0x010202c3) AM_WRITENOP
#endif
	AM_RANGE(0x010202F0, 0x010202F3) AM_READWRITE8(sc5_10202F0_r, sc5_10202F0_w, 0xffffffff)
#if 1
	AM_RANGE(0x01020330, 0x01020333) AM_WRITENOP

	AM_RANGE(0x01020350, 0x01020353) AM_WRITENOP
	AM_RANGE(0x01020360, 0x01020363) AM_WRITENOP
	AM_RANGE(0x01020370, 0x01020373) AM_WRITENOP

	AM_RANGE(0x01020390, 0x01020393) AM_WRITENOP
#endif
	AM_RANGE(0x02000000, 0x0200001f) AM_WRITE16(sc5_duart_w, 0xffffffff)

	// ram
	AM_RANGE(0x40000000, 0x4000ffff) AM_RAM

	// peripherals
	AM_RANGE(0xffff0000, 0xffff03ff) AM_DEVREADWRITE("maincpu_onboard", mcf5206e_peripheral_device, dev_r, dev_w) // technically this can be moved with MBAR
ADDRESS_MAP_END

INPUT_PORTS_START( bfm_sc5 )
INPUT_PORTS_END

READ8_MEMBER( bfm_sc5_state::sc5_10202F0_r )
{
	switch (offset)
	{
		case 0x0:
		case 0x1:
		case 0x2:
		case 0x3:
			printf("%s: sc5_10202F0_r %d\n", machine().describe_context(), offset);
			return machine().rand();
	}

	return 0;
}

WRITE8_MEMBER( bfm_sc5_state::sc5_10202F0_w )
{
	switch (offset)
	{
		case 0x0:
			bfm_sc45_write_serial_vfd((data &0x4)?1:0, (data &0x1)?1:0, (data&0x2) ? 0:1);
			if (data&0xf8) printf("%s: sc5_10202F0_w %d - %02x\n", machine().describe_context(), offset, data);
			break;
		case 0x1:
		case 0x2:
		case 0x3:
			printf("%s: sc5_10202F0_w %d - %02x\n", machine().describe_context(), offset, data);
			break;
	}
}


WRITE_LINE_MEMBER(bfm_sc5_state::bfm_sc5_duart_irq_handler)
{
	printf("bfm_sc5_duart_irq_handler\n");
}

WRITE_LINE_MEMBER(bfm_sc5_state::bfm_sc5_duart_txa)
{
	logerror("bfm_sc5_duart_tx\n");
}

READ8_MEMBER(bfm_sc5_state::bfm_sc5_duart_input_r)
{
	printf("bfm_sc5_duart_input_r\n");
	return 0xff;
}

WRITE8_MEMBER(bfm_sc5_state::bfm_sc5_duart_output_w)
{
	logerror("bfm_sc5_duart_output_w\n");
}

MACHINE_CONFIG_START( bfm_sc5, bfm_sc5_state )
	MCFG_CPU_ADD("maincpu", MCF5206E, 40000000) /* MCF5206eFT */
	MCFG_CPU_PROGRAM_MAP(sc5_map)
	MCFG_MCF5206E_PERIPHERAL_ADD("maincpu_onboard")

	/* sound hardware */
	MCFG_SPEAKER_STANDARD_MONO("mono")

	MCFG_MC68681_ADD("duart68681", 16000000/4) // ?? Mhz
	MCFG_MC68681_SET_EXTERNAL_CLOCKS(16000000/2/8, 16000000/2/16, 16000000/2/16, 16000000/2/8)
	MCFG_MC68681_IRQ_CALLBACK(WRITELINE(bfm_sc5_state, bfm_sc5_duart_irq_handler))
	MCFG_MC68681_A_TX_CALLBACK(WRITELINE(bfm_sc5_state, bfm_sc5_duart_txa))
	MCFG_MC68681_INPORT_CALLBACK(READ8(bfm_sc5_state, bfm_sc5_duart_input_r))
	MCFG_MC68681_OUTPORT_CALLBACK(WRITE8(bfm_sc5_state, bfm_sc5_duart_output_w))

	MCFG_BFMBDA_ADD("vfd0",0)

	MCFG_DEFAULT_LAYOUT(layout_bfm_sc5)

	MCFG_SOUND_ADD("ymz", YMZ280B, 16000000) // ?? Mhz
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_CONFIG_END

#include "bfm_sc5sw.hxx"