summaryrefslogtreecommitdiffstatshomepage
diff options
context:
space:
mode:
author Fabio Priuli <etabeta78@users.noreply.github.com>2014-04-13 07:43:17 +0000
committer Fabio Priuli <etabeta78@users.noreply.github.com>2014-04-13 07:43:17 +0000
commit2899527ed41f36be30a809550d4120a1ce113fea (patch)
treee92be24777602c8f4f864436ae97cffa87f26ef8
parent60463513720975699bf4ce34ffdffff577f74368 (diff)
(MESS) sms: added support for Furrtek's multitap adapter (supported
by BOoM homebrew game). [Enik Land]
-rw-r--r--.gitattributes2
-rw-r--r--src/emu/bus/bus.mak1
-rw-r--r--src/emu/bus/sms_ctrl/multitap.c155
-rw-r--r--src/emu/bus/sms_ctrl/multitap.h60
-rw-r--r--src/emu/bus/sms_ctrl/paddle.c2
-rw-r--r--src/emu/bus/sms_ctrl/rfu.c2
-rw-r--r--src/emu/bus/sms_ctrl/smsctrl.c1
-rw-r--r--src/emu/bus/sms_ctrl/smsctrl.h1
-rw-r--r--src/emu/bus/sms_ctrl/sports.c4
-rw-r--r--src/emu/bus/sms_ctrl/sportsjp.c2
10 files changed, 225 insertions, 5 deletions
diff --git a/.gitattributes b/.gitattributes
index 4f5d1b8ffe6..a443436c561 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1216,6 +1216,8 @@ src/emu/bus/sms_ctrl/joypad.c svneol=native#text/plain
src/emu/bus/sms_ctrl/joypad.h svneol=native#text/plain
src/emu/bus/sms_ctrl/lphaser.c svneol=native#text/plain
src/emu/bus/sms_ctrl/lphaser.h svneol=native#text/plain
+src/emu/bus/sms_ctrl/multitap.c svneol=native#text/plain
+src/emu/bus/sms_ctrl/multitap.h svneol=native#text/plain
src/emu/bus/sms_ctrl/paddle.c svneol=native#text/plain
src/emu/bus/sms_ctrl/paddle.h svneol=native#text/plain
src/emu/bus/sms_ctrl/rfu.c svneol=native#text/plain
diff --git a/src/emu/bus/bus.mak b/src/emu/bus/bus.mak
index d9601c893e2..6f05db3d593 100644
--- a/src/emu/bus/bus.mak
+++ b/src/emu/bus/bus.mak
@@ -874,6 +874,7 @@ BUSOBJS += $(BUSOBJ)/sms_ctrl/paddle.o
BUSOBJS += $(BUSOBJ)/sms_ctrl/rfu.o
BUSOBJS += $(BUSOBJ)/sms_ctrl/sports.o
BUSOBJS += $(BUSOBJ)/sms_ctrl/sportsjp.o
+BUSOBJS += $(BUSOBJ)/sms_ctrl/multitap.o
endif
#-------------------------------------------------
diff --git a/src/emu/bus/sms_ctrl/multitap.c b/src/emu/bus/sms_ctrl/multitap.c
new file mode 100644
index 00000000000..481a331e1dc
--- /dev/null
+++ b/src/emu/bus/sms_ctrl/multitap.c
@@ -0,0 +1,155 @@
+/**********************************************************************
+
+ Furrtek's homemade multitap emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#include "multitap.h"
+
+
+// Scheme: http://www.smspower.org/uploads/Homebrew/BOoM-SMS-sms4p_2.png
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type SMS_MULTITAP = &device_creator<sms_multitap_device>;
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// sms_multitap_device - constructor
+//-------------------------------------------------
+
+sms_multitap_device::sms_multitap_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, SMS_MULTITAP, "Furrtek's Multitap", tag, owner, clock, "sms_multitap", __FILE__),
+ device_sms_control_port_interface(mconfig, *this),
+ m_subctrl1_port(*this, "ctrl1"),
+ m_subctrl2_port(*this, "ctrl2"),
+ m_subctrl3_port(*this, "ctrl3"),
+ m_subctrl4_port(*this, "ctrl4"),
+ m_read_state(0),
+ m_last_data(0)
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void sms_multitap_device::device_start()
+{
+ save_item(NAME(m_read_state));
+ save_item(NAME(m_last_data));
+
+ m_subctrl1_port->device_start();
+ m_subctrl2_port->device_start();
+ m_subctrl3_port->device_start();
+ m_subctrl4_port->device_start();
+}
+
+
+//-------------------------------------------------
+// sms_peripheral_r - multitap read
+//-------------------------------------------------
+
+UINT8 sms_multitap_device::peripheral_r()
+{
+ UINT8 data = 0xff;
+
+ switch(m_read_state)
+ {
+ case 0:
+ data = m_subctrl1_port->port_r();
+ break;
+ case 1:
+ data = m_subctrl2_port->port_r();
+ break;
+ case 2:
+ data = m_subctrl3_port->port_r();
+ break;
+ case 3:
+ data = m_subctrl4_port->port_r();
+ break;
+ }
+
+ // force TH level high (1), as the line is not connected to subports.
+ data |= 0x40;
+
+ return data;
+}
+
+
+//-------------------------------------------------
+// sms_peripheral_w - multitap write
+//-------------------------------------------------
+
+void sms_multitap_device::peripheral_w(UINT8 data)
+{
+ UINT8 output_data;
+
+ // check if TH level is low (0) and was high (1)
+ if (!(data & 0x40) && (m_last_data & 0x40))
+ {
+ m_read_state = (m_read_state + 1) & 3;
+ }
+ m_last_data = data;
+
+ // output default TH level (1), as the line is not connected to subports.
+ output_data = data | 0x40;
+
+ switch(m_read_state)
+ {
+ case 0:
+ m_subctrl1_port->port_w(output_data);
+ break;
+ case 1:
+ m_subctrl2_port->port_w(output_data);
+ break;
+ case 2:
+ m_subctrl3_port->port_w(output_data);
+ break;
+ case 3:
+ m_subctrl4_port->port_w(output_data);
+ break;
+ }
+}
+
+
+//-------------------------------------------------
+// machine_config_additions - device-specific
+// machine configurations
+//-------------------------------------------------
+
+READ32_MEMBER( sms_multitap_device::pixel_r )
+{
+ return m_port->pixel_r();
+}
+
+
+static MACHINE_CONFIG_FRAGMENT( multitap_slot )
+ // Controller subports setup, without the TH callback declaration,
+ // because the circuit scheme shows TH of subports without connection.
+ MCFG_SMS_CONTROL_PORT_ADD("ctrl1", sms_control_port_devices, "joypad")
+ MCFG_SMS_CONTROL_PORT_PIXEL_HANDLER(READ32(sms_multitap_device, pixel_r))
+ MCFG_SMS_CONTROL_PORT_ADD("ctrl2", sms_control_port_devices, "joypad")
+ MCFG_SMS_CONTROL_PORT_PIXEL_HANDLER(READ32(sms_multitap_device, pixel_r))
+ MCFG_SMS_CONTROL_PORT_ADD("ctrl3", sms_control_port_devices, "joypad")
+ MCFG_SMS_CONTROL_PORT_PIXEL_HANDLER(READ32(sms_multitap_device, pixel_r))
+ MCFG_SMS_CONTROL_PORT_ADD("ctrl4", sms_control_port_devices, "joypad")
+ MCFG_SMS_CONTROL_PORT_PIXEL_HANDLER(READ32(sms_multitap_device, pixel_r))
+MACHINE_CONFIG_END
+
+
+machine_config_constructor sms_multitap_device::device_mconfig_additions() const
+{
+ return MACHINE_CONFIG_NAME( multitap_slot );
+}
diff --git a/src/emu/bus/sms_ctrl/multitap.h b/src/emu/bus/sms_ctrl/multitap.h
new file mode 100644
index 00000000000..390624bc650
--- /dev/null
+++ b/src/emu/bus/sms_ctrl/multitap.h
@@ -0,0 +1,60 @@
+/**********************************************************************
+
+ Furrtek's homemade multitap emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __SMS_MULTITAP__
+#define __SMS_MULTITAP__
+
+
+#include "emu.h"
+#include "smsctrl.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> sms_multitap_device
+
+class sms_multitap_device : public device_t,
+ public device_sms_control_port_interface
+{
+public:
+ // construction/destruction
+ sms_multitap_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ DECLARE_READ32_MEMBER(pixel_r);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ // device_sms_control_port_interface overrides
+ virtual UINT8 peripheral_r();
+ virtual void peripheral_w(UINT8 data);
+
+private:
+ required_device<sms_control_port_device> m_subctrl1_port;
+ required_device<sms_control_port_device> m_subctrl2_port;
+ required_device<sms_control_port_device> m_subctrl3_port;
+ required_device<sms_control_port_device> m_subctrl4_port;
+
+ UINT8 m_read_state;
+ UINT8 m_last_data;
+};
+
+
+// device type definition
+extern const device_type SMS_MULTITAP;
+
+
+#endif
diff --git a/src/emu/bus/sms_ctrl/paddle.c b/src/emu/bus/sms_ctrl/paddle.c
index 7258578d6da..affe7456ab3 100644
--- a/src/emu/bus/sms_ctrl/paddle.c
+++ b/src/emu/bus/sms_ctrl/paddle.c
@@ -77,6 +77,7 @@ sms_paddle_device::sms_paddle_device(const machine_config &mconfig, const char *
device_sms_control_port_interface(mconfig, *this),
m_paddle_pins(*this, "CTRL_PORT"),
m_paddle_x(*this, "PADDLE_X"),
+ m_read_state(0),
m_interval(PADDLE_INTERVAL)
{
}
@@ -89,7 +90,6 @@ sms_paddle_device::sms_paddle_device(const machine_config &mconfig, const char *
void sms_paddle_device::device_start()
{
m_start_time = machine().time();
- m_read_state = 0;
save_item(NAME(m_start_time));
save_item(NAME(m_read_state));
diff --git a/src/emu/bus/sms_ctrl/rfu.c b/src/emu/bus/sms_ctrl/rfu.c
index 8b92979e7e6..c04ca1f8a84 100644
--- a/src/emu/bus/sms_ctrl/rfu.c
+++ b/src/emu/bus/sms_ctrl/rfu.c
@@ -55,6 +55,7 @@ sms_rapid_fire_device::sms_rapid_fire_device(const machine_config &mconfig, cons
device_sms_control_port_interface(mconfig, *this),
m_rfire_sw(*this, "rfu_sw"),
m_subctrl_port(*this, "ctrl"),
+ m_read_state(0),
m_interval(RAPID_FIRE_INTERVAL)
{
}
@@ -67,7 +68,6 @@ sms_rapid_fire_device::sms_rapid_fire_device(const machine_config &mconfig, cons
void sms_rapid_fire_device::device_start()
{
m_start_time = machine().time();
- m_read_state = 0;
save_item(NAME(m_start_time));
save_item(NAME(m_read_state));
diff --git a/src/emu/bus/sms_ctrl/smsctrl.c b/src/emu/bus/sms_ctrl/smsctrl.c
index 41662470b28..fc804b4f029 100644
--- a/src/emu/bus/sms_ctrl/smsctrl.c
+++ b/src/emu/bus/sms_ctrl/smsctrl.c
@@ -120,4 +120,5 @@ SLOT_INTERFACE_START( sms_control_port_devices )
SLOT_INTERFACE("sportspad", SMS_SPORTS_PAD)
SLOT_INTERFACE("sportspadjp", SMS_SPORTS_PAD_JP)
SLOT_INTERFACE("rapidfire", SMS_RAPID_FIRE)
+ SLOT_INTERFACE("multitap", SMS_MULTITAP)
SLOT_INTERFACE_END
diff --git a/src/emu/bus/sms_ctrl/smsctrl.h b/src/emu/bus/sms_ctrl/smsctrl.h
index f9581d86c8f..ba1e5146307 100644
--- a/src/emu/bus/sms_ctrl/smsctrl.h
+++ b/src/emu/bus/sms_ctrl/smsctrl.h
@@ -120,6 +120,7 @@ extern const device_type SMS_CONTROL_PORT;
#include "sports.h"
#include "sportsjp.h"
#include "rfu.h"
+#include "multitap.h"
SLOT_INTERFACE_EXTERN( sms_control_port_devices );
diff --git a/src/emu/bus/sms_ctrl/sports.c b/src/emu/bus/sms_ctrl/sports.c
index 2eb0ea0f316..81bf836dd8e 100644
--- a/src/emu/bus/sms_ctrl/sports.c
+++ b/src/emu/bus/sms_ctrl/sports.c
@@ -118,6 +118,8 @@ sms_sports_pad_device::sms_sports_pad_device(const machine_config &mconfig, cons
m_sports_out(*this, "SPORTS_OUT"),
m_sports_x(*this, "SPORTS_X"),
m_sports_y(*this, "SPORTS_Y"),
+ m_read_state(0),
+ m_last_data(0),
m_interval(SPORTS_PAD_INTERVAL)
{
}
@@ -129,8 +131,6 @@ sms_sports_pad_device::sms_sports_pad_device(const machine_config &mconfig, cons
void sms_sports_pad_device::device_start()
{
- m_read_state = 0;
- m_last_data = 0;
m_last_time = machine().time();
save_item(NAME(m_read_state));
diff --git a/src/emu/bus/sms_ctrl/sportsjp.c b/src/emu/bus/sms_ctrl/sportsjp.c
index a9b181c1ee6..9e692e32abf 100644
--- a/src/emu/bus/sms_ctrl/sportsjp.c
+++ b/src/emu/bus/sms_ctrl/sportsjp.c
@@ -92,6 +92,7 @@ sms_sports_pad_jp_device::sms_sports_pad_jp_device(const machine_config &mconfig
m_sports_jp_in(*this, "SPORTS_JP_IN"),
m_sports_jp_x(*this, "SPORTS_JP_X"),
m_sports_jp_y(*this, "SPORTS_JP_Y"),
+ m_read_state(0),
m_interval(SPORTS_PAD_JP_INTERVAL)
{
}
@@ -104,7 +105,6 @@ sms_sports_pad_jp_device::sms_sports_pad_jp_device(const machine_config &mconfig
void sms_sports_pad_jp_device::device_start()
{
m_start_time = machine().time();
- m_read_state = 0;
save_item(NAME(m_start_time));
save_item(NAME(m_read_state));