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bus/nes_ctrl: Updated Partytap controller. (#8943)

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* bus/nes_ctrl: Updated Partytap controller.  Project Q now detects the controller and inputs work.
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0kmg 2021-12-14 06:30:56 -09:00 committed by GitHub
parent 7eac6c8acc
commit 53f28f0934
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 27 additions and 41 deletions
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6
hash/nes.xml
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@ -5903,6 +5903,7 @@ license:CC0
<feature name="slot" value="sxrom" /> <feature name="slot" value="sxrom" />
<feature name="pcb" value="HVC-SGROM" /> <feature name="pcb" value="HVC-SGROM" />
<feature name="mmc1_type" value="MMC1B2" /> <feature name="mmc1_type" value="MMC1B2" />
<feature name="peripheral" value="partytap" />
<dataarea name="prg" size="131072"> <dataarea name="prg" size="131072">
<rom name="yzw-kd-0 prg" size="131072" crc="e44001d8" sha1="a7800f88af4d5c8be68dc194acaee60c6e82d3c6" offset="00000" /> <rom name="yzw-kd-0 prg" size="131072" crc="e44001d8" sha1="a7800f88af4d5c8be68dc194acaee60c6e82d3c6" offset="00000" />
</dataarea> </dataarea>
@ -14721,6 +14722,7 @@ license:CC0
<part name="cart" interface="nes_cart"> <part name="cart" interface="nes_cart">
<feature name="slot" value="sxrom" /> <feature name="slot" value="sxrom" />
<feature name="pcb" value="HVC-SGROM" /> <feature name="pcb" value="HVC-SGROM" />
<feature name="mmc1_type" value="MMC1B3" />
<feature name="peripheral" value="partytap" /> <feature name="peripheral" value="partytap" />
<dataarea name="prg" size="262144"> <dataarea name="prg" size="262144">
<rom name="yzw-qp-0 prg" size="262144" crc="1545bd13" sha1="ddebe86096daf3b6dcd714c33a91e912f91da7ce" offset="00000" /> <rom name="yzw-qp-0 prg" size="262144" crc="1545bd13" sha1="ddebe86096daf3b6dcd714c33a91e912f91da7ce" offset="00000" />
@ -47086,6 +47088,7 @@ preliminary proto for the PAL version, still running on NTSC systems) or the gfx
<part name="cart" interface="nes_cart"> <part name="cart" interface="nes_cart">
<feature name="slot" value="txrom" /> <feature name="slot" value="txrom" />
<feature name="pcb" value="NES-TLROM" /> <feature name="pcb" value="NES-TLROM" />
<feature name="peripheral" value="partytap" />
<dataarea name="prg" size="524288"> <dataarea name="prg" size="524288">
<rom name="gorilla man, the (japan).prg" size="524288" crc="9fd718fd" sha1="d477320dc99b294b5d26995f1527eca0233f2f46" offset="00000" status="baddump" /> <rom name="gorilla man, the (japan).prg" size="524288" crc="9fd718fd" sha1="d477320dc99b294b5d26995f1527eca0233f2f46" offset="00000" status="baddump" />
</dataarea> </dataarea>
@ -49387,7 +49390,8 @@ preliminary proto for the PAL version, still running on NTSC systems) or the gfx
<info name="alt_title" value="プロジェクトＱ"/> <info name="alt_title" value="プロジェクトＱ"/>
<part name="cart" interface="nes_cart"> <part name="cart" interface="nes_cart">
<feature name="slot" value="txrom" /> <feature name="slot" value="txrom" />
<feature name="pcb" value="NES-TLROM" /> <feature name="pcb" value="HVC-TNROM" />
<feature name="peripheral" value="partytap" />
<dataarea name="prg" size="262144"> <dataarea name="prg" size="262144">
<rom name="project q (japan).prg" size="262144" crc="c1ba8bb9" sha1="390443f9b8a69fee3cff5f234a3e92aae8b48102" offset="00000" status="baddump" /> <rom name="project q (japan).prg" size="262144" crc="c1ba8bb9" sha1="390443f9b8a69fee3cff5f234a3e92aae8b48102" offset="00000" status="baddump" />
</dataarea> </dataarea>

47
src/devices/bus/nes_ctrl/partytap.cpp
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@ -2,7 +2,7 @@
// copyright-holders:Fabio Priuli // copyright-holders:Fabio Priuli
/********************************************************************** /**********************************************************************
Nintendo Family Computer Yonezawa / PartyRoom 21 Party Tap Controller Nintendo Family Computer Yonezawa / Party Room 21 Partytap Controller
**********************************************************************/ **********************************************************************/
@ -13,7 +13,7 @@
// DEVICE DEFINITIONS // DEVICE DEFINITIONS
//************************************************************************** //**************************************************************************
DEFINE_DEVICE_TYPE(NES_PARTYTAP, nes_partytap_device, "nes_partytap", "Yonezawa Party Tap Controller") DEFINE_DEVICE_TYPE(NES_PARTYTAP, nes_partytap_device, "nes_partytap", "Yonezawa Partytap Controller")
static INPUT_PORTS_START( nes_partytap ) static INPUT_PORTS_START( nes_partytap )
@ -44,12 +44,11 @@ ioport_constructor nes_partytap_device::device_input_ports() const
// nes_partytap_device - constructor // nes_partytap_device - constructor
//------------------------------------------------- //-------------------------------------------------
nes_partytap_device::nes_partytap_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : nes_partytap_device::nes_partytap_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
device_t(mconfig, NES_PARTYTAP, tag, owner, clock), : device_t(mconfig, NES_PARTYTAP, tag, owner, clock)
device_nes_control_port_interface(mconfig, *this), , device_nes_control_port_interface(mconfig, *this)
m_inputs(*this, "INPUTS"), , m_inputs(*this, "INPUTS")
m_mode(0), , m_latch(0)
m_latch(0)
{ {
} }
@ -61,18 +60,7 @@ nes_partytap_device::nes_partytap_device(const machine_config &mconfig, const ch
void nes_partytap_device::device_start() void nes_partytap_device::device_start()
{ {
save_item(NAME(m_latch)); save_item(NAME(m_latch));
save_item(NAME(m_mode)); save_item(NAME(m_strobe));
}
//-------------------------------------------------
// device_reset
//-------------------------------------------------
void nes_partytap_device::device_reset()
{
m_mode = 0xe0;
m_latch = 0;
} }
@ -80,15 +68,16 @@ void nes_partytap_device::device_reset()
// read // read
//------------------------------------------------- //-------------------------------------------------
uint8_t nes_partytap_device::read_exp(offs_t offset) u8 nes_partytap_device::read_exp(offs_t offset)
{ {
uint8_t ret = 0; u8 ret = 0;
if (offset == 1) //$4017 if (offset == 1) //$4017
{ {
if (m_strobe)
m_latch = m_inputs->read();
ret |= m_latch & 0x1c; ret |= m_latch & 0x1c;
m_latch >>= 3; m_latch >>= 3;
// append mode bits m_latch |= 0xa0; // after first two reads, 0x14 will be returned
m_latch |= m_mode;
} }
return ret; return ret;
} }
@ -97,14 +86,8 @@ uint8_t nes_partytap_device::read_exp(offs_t offset)
// write // write
//------------------------------------------------- //-------------------------------------------------
void nes_partytap_device::write(uint8_t data) void nes_partytap_device::write(u8 data)
{ {
// inputs are read in two chunks of 3 bits, before the second one is read bit2 is written here if (write_strobe(data))
// probably a mechanism for the game to detect which group of inputs is being read
m_mode = BIT(data, 2) ? 0xa0 : 0xe0;
if (data & 0x01)
return;
m_latch = m_inputs->read(); m_latch = m_inputs->read();
} }

13
src/devices/bus/nes_ctrl/partytap.h
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@ -2,7 +2,7 @@
// copyright-holders:Fabio Priuli // copyright-holders:Fabio Priuli
/********************************************************************** /**********************************************************************
Nintendo Family Computer Yonezawa / PartyRoom 21 Party Tap Controller Nintendo Family Computer Yonezawa / Party Room 21 Partytap Controller
**********************************************************************/ **********************************************************************/
@ -25,23 +25,22 @@ class nes_partytap_device : public device_t,
{ {
public: public:
// construction/destruction // construction/destruction
nes_partytap_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); nes_partytap_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
virtual ioport_constructor device_input_ports() const override; virtual ioport_constructor device_input_ports() const override;
protected: protected:
// device-level overrides // device-level overrides
virtual void device_start() override; virtual void device_start() override;
virtual void device_reset() override;
virtual uint8_t read_exp(offs_t offset) override; virtual u8 read_exp(offs_t offset) override;
virtual void write(uint8_t data) override; virtual void write(u8 data) override;
required_ioport m_inputs; required_ioport m_inputs;
uint8_t m_mode; u8 m_latch;
uint32_t m_latch;
}; };
// device type definition // device type definition
DECLARE_DEVICE_TYPE(NES_PARTYTAP, nes_partytap_device) DECLARE_DEVICE_TYPE(NES_PARTYTAP, nes_partytap_device)