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(MESS) spc1000 : added cassette

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This commit is contained in:
Robbbert 2014-02-16 11:54:56 +00:00
parent 8ad08e1152
commit c62b9b5fcf
1 changed files with 52 additions and 28 deletions
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80
src/mess/drivers/spc1000.c
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@ -20,33 +20,39 @@ class spc1000_state : public driver_device
{ {
public: public:
spc1000_state(const machine_config &mconfig, device_type type, const char *tag) spc1000_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag), : driver_device(mconfig, type, tag)
m_vdg(*this, "mc6847") , , m_vdg(*this, "mc6847")
m_maincpu(*this, "maincpu"), , m_maincpu(*this, "maincpu")
m_ram(*this, RAM_TAG) {} , m_ram(*this, RAM_TAG)
, m_cass(*this, "cassette")
{}
required_device<mc6847_base_device> m_vdg; DECLARE_WRITE8_MEMBER(spc1000_iplk_w);
UINT8 m_IPLK; DECLARE_READ8_MEMBER(spc1000_iplk_r);
UINT8 m_GMODE; DECLARE_WRITE8_MEMBER(spc1000_video_ram_w);
UINT8 m_video_ram[0x2000]; DECLARE_READ8_MEMBER(spc1000_video_ram_r);
DECLARE_WRITE_LINE_MEMBER(irq_w);
DECLARE_WRITE8_MEMBER(spc1000_gmode_w);
DECLARE_READ8_MEMBER(spc1000_gmode_r);
DECLARE_READ8_MEMBER(porta_r);
DECLARE_READ8_MEMBER(spc1000_mc6847_videoram_r);
DECLARE_WRITE8_MEMBER(cass_w);
static UINT8 get_char_rom(running_machine &machine, UINT8 ch, int line) static UINT8 get_char_rom(running_machine &machine, UINT8 ch, int line)
{ {
spc1000_state *state = machine.driver_data<spc1000_state>(); spc1000_state *state = machine.driver_data<spc1000_state>();
return state->m_video_ram[0x1000+(ch&0x7F)*16+line]; return state->m_video_ram[0x1000+(ch&0x7F)*16+line];
} }
DECLARE_WRITE8_MEMBER(spc1000_iplk_w);
DECLARE_READ8_MEMBER(spc1000_iplk_r); private:
DECLARE_WRITE8_MEMBER(spc1000_video_ram_w); UINT8 m_IPLK;
DECLARE_READ8_MEMBER(spc1000_video_ram_r); UINT8 m_GMODE;
DECLARE_READ8_MEMBER(spc1000_keyboard_r); UINT8 m_video_ram[0x2000];
virtual void machine_reset(); virtual void machine_reset();
DECLARE_WRITE_LINE_MEMBER(irq_w); required_device<mc6847_base_device> m_vdg;
DECLARE_WRITE8_MEMBER(spc1000_gmode_w);
DECLARE_READ8_MEMBER(spc1000_gmode_r);
DECLARE_READ8_MEMBER(spc1000_mc6847_videoram_r);
required_device<cpu_device> m_maincpu; required_device<cpu_device> m_maincpu;
required_device<ram_device> m_ram; required_device<ram_device> m_ram;
required_device<cassette_image_device> m_cass;
}; };
@ -98,12 +104,9 @@ READ8_MEMBER(spc1000_state::spc1000_video_ram_r)
return m_video_ram[offset]; return m_video_ram[offset];
} }
READ8_MEMBER(spc1000_state::spc1000_keyboard_r){ WRITE8_MEMBER( spc1000_state::cass_w )
static const char *const keynames[] = { {
"LINE0", "LINE1", "LINE2", "LINE3", "LINE4", m_cass->output(BIT(data, 0) ? -1.0 : 1.0);
"LINE5", "LINE6", "LINE7", "LINE8", "LINE9"
};
return ioport(keynames[offset])->read();
} }
WRITE8_MEMBER(spc1000_state::spc1000_gmode_w) WRITE8_MEMBER(spc1000_state::spc1000_gmode_w)
@ -127,10 +130,20 @@ static ADDRESS_MAP_START( spc1000_io , AS_IO, 8, spc1000_state )
ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x0000, 0x1fff) AM_READWRITE(spc1000_video_ram_r, spc1000_video_ram_w) AM_RANGE(0x0000, 0x1fff) AM_READWRITE(spc1000_video_ram_r, spc1000_video_ram_w)
AM_RANGE(0x2000, 0x3fff) AM_READWRITE(spc1000_gmode_r, spc1000_gmode_w) AM_RANGE(0x2000, 0x3fff) AM_READWRITE(spc1000_gmode_r, spc1000_gmode_w)
AM_RANGE(0x8000, 0x8009) AM_READ(spc1000_keyboard_r)
AM_RANGE(0xA000, 0xA000) AM_READWRITE(spc1000_iplk_r, spc1000_iplk_w)
AM_RANGE(0x4000, 0x4000) AM_DEVWRITE("ay8910", ay8910_device, address_w) AM_RANGE(0x4000, 0x4000) AM_DEVWRITE("ay8910", ay8910_device, address_w)
AM_RANGE(0x4001, 0x4001) AM_DEVREADWRITE("ay8910", ay8910_device, data_r, data_w) AM_RANGE(0x4001, 0x4001) AM_DEVREADWRITE("ay8910", ay8910_device, data_r, data_w)
AM_RANGE(0x6000, 0x6000) AM_WRITE(cass_w)
AM_RANGE(0x8000, 0x8000) AM_READ_PORT("LINE0")
AM_RANGE(0x8001, 0x8001) AM_READ_PORT("LINE1")
AM_RANGE(0x8002, 0x8002) AM_READ_PORT("LINE2")
AM_RANGE(0x8003, 0x8003) AM_READ_PORT("LINE3")
AM_RANGE(0x8004, 0x8004) AM_READ_PORT("LINE4")
AM_RANGE(0x8005, 0x8005) AM_READ_PORT("LINE5")
AM_RANGE(0x8006, 0x8006) AM_READ_PORT("LINE6")
AM_RANGE(0x8007, 0x8007) AM_READ_PORT("LINE7")
AM_RANGE(0x8008, 0x8008) AM_READ_PORT("LINE8")
AM_RANGE(0x8009, 0x8009) AM_READ_PORT("LINE9")
AM_RANGE(0xA000, 0xA000) AM_READWRITE(spc1000_iplk_r, spc1000_iplk_w)
ADDRESS_MAP_END ADDRESS_MAP_END
/* Input ports */ /* Input ports */
@ -266,11 +279,22 @@ READ8_MEMBER(spc1000_state::spc1000_mc6847_videoram_r)
} }
} }
READ8_MEMBER( spc1000_state::porta_r )
{
UINT8 data = 0;
if (m_cass->input() > 0.0038)
data |= 0x80;
return data;
}
static const ay8910_interface spc1000_ay_interface = static const ay8910_interface spc1000_ay_interface =
{ {
AY8910_LEGACY_OUTPUT, AY8910_LEGACY_OUTPUT,
AY8910_DEFAULT_LOADS, AY8910_DEFAULT_LOADS,
DEVCB_NULL DEVCB_DRIVER_MEMBER(spc1000_state, porta_r), //portA_r
DEVCB_NULL, // portB_r
DEVCB_NULL, // portA_w
DEVCB_NULL // portB_w
}; };
static const cassette_interface spc1000_cassette_interface = static const cassette_interface spc1000_cassette_interface =
@ -340,5 +364,5 @@ ROM_END
/* Driver */ /* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
COMP( 1982, spc1000, 0, 0, spc1000, spc1000, driver_device, 0, "Samsung", "SPC-1000", GAME_NOT_WORKING) COMP( 1982, spc1000, 0, 0, spc1000, spc1000, driver_device, 0, "Samsung", "SPC-1000", GAME_NOT_WORKING )