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Imported DM9368 7 segment LED from MESS. (no whatsnew)
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Curt Coder
parent
bd79086747
commit
79cf761a31
4 changed files with 303 additions and 0 deletions
2
.gitattributes
vendored
2
.gitattributes
vendored
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@ -1202,6 +1202,8 @@ src/emu/video/crt9021.c svneol=native#text/plain
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src/emu/video/crt9021.h svneol=native#text/plain
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src/emu/video/crt9212.c svneol=native#text/plain
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src/emu/video/crt9212.h svneol=native#text/plain
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src/emu/video/dm9368.c svneol=native#text/plain
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src/emu/video/dm9368.h svneol=native#text/plain
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src/emu/video/generic.c svneol=native#text/plain
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src/emu/video/generic.h svneol=native#text/plain
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src/emu/video/hd61830.c svneol=native#text/plain
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@ -231,6 +231,7 @@ EMUVIDEOOBJS = \
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$(EMUVIDEO)/crt9007.o \
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$(EMUVIDEO)/crt9021.o \
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$(EMUVIDEO)/crt9212.o \
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$(EMUVIDEO)/dm9368.o \
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$(EMUVIDEO)/generic.o \
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$(EMUVIDEO)/hd61830.o \
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$(EMUVIDEO)/hd63484.o \
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180
src/emu/video/dm9368.c
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src/emu/video/dm9368.c
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@ -0,0 +1,180 @@
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/**********************************************************************
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Fairchild DM9368 7-Segment Decoder/Driver/Latch emulation
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Copyright MESS Team.
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Visit http://mamedev.org for licensing and usage restrictions.
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**********************************************************************/
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#include "emu.h"
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#include "dm9368.h"
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#include "machine/devhelpr.h"
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//**************************************************************************
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// MACROS / CONSTANTS
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//**************************************************************************
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#define LOG 1
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static const UINT8 OUTPUT[16] =
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{
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0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x67, 0x77, 0x7c, 0x39, 0x5e, 0x79, 0x71
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};
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//**************************************************************************
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// GLOBAL VARIABLES
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//**************************************************************************
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// devices
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const device_type DM9368 = dm9368_device_config::static_alloc_device_config;
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//**************************************************************************
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// DEVICE CONFIGURATION
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//**************************************************************************
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GENERIC_DEVICE_CONFIG_SETUP(dm9368, "DM9368")
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//-------------------------------------------------
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// device_config_complete - perform any
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// operations now that the configuration is
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// complete
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//-------------------------------------------------
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void dm9368_device_config::device_config_complete()
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{
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// inherit a copy of the static data
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const dm9368_interface *intf = reinterpret_cast<const dm9368_interface *>(static_config());
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if (intf != NULL)
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*static_cast<dm9368_interface *>(this) = *intf;
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// or initialize to defaults if none provided
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else
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{
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memset(&m_in_rbi_func, 0, sizeof(m_in_rbi_func));
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memset(&m_out_rbo_func, 0, sizeof(m_out_rbo_func));
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}
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}
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//**************************************************************************
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// INLINE HELPERS
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//**************************************************************************
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//-------------------------------------------------
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// get_rbi -
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//-------------------------------------------------
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inline int dm9368_device::get_rbi()
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{
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if (m_in_rbi_func.target != NULL)
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{
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m_rbi = devcb_call_read_line(&m_in_rbi_func);
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}
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return m_rbi;
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}
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//-------------------------------------------------
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// set_rbo -
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//-------------------------------------------------
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inline void dm9368_device::set_rbo(int state)
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{
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m_rbo = state;
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devcb_call_write_line(&m_out_rbo_func, m_rbo);
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}
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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//-------------------------------------------------
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// dm9368_device - constructor
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//-------------------------------------------------
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dm9368_device::dm9368_device(running_machine &_machine, const dm9368_device_config &config)
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: device_t(_machine, config),
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m_rbi(1),
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m_rbo(1),
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m_config(config)
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{
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void dm9368_device::device_start()
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{
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// resolve callbacks
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devcb_resolve_read_line(&m_in_rbi_func, &m_config.m_in_rbi_func, this);
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devcb_resolve_write_line(&m_out_rbo_func, &m_config.m_out_rbo_func, this);
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// register for state saving
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save_item(NAME(m_rbi));
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}
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//-------------------------------------------------
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// a_w -
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//-------------------------------------------------
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void dm9368_device::a_w(UINT8 data)
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{
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int a = data & 0x0f;
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if (!get_rbi() && !a)
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{
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if (LOG) logerror("DM9368 '%s' Blanked Rippling Zero\n", tag());
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// blank rippling 0
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output_set_digit_value(m_config.m_digit, 0);
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set_rbo(0);
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}
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else
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{
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if (LOG) logerror("DM9368 '%s' Output Data: %u = %02x\n", tag(), a, OUTPUT[a]);
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output_set_digit_value(m_config.m_digit, OUTPUT[a]);
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set_rbo(1);
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}
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}
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//-------------------------------------------------
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// rbi_w - ripple blanking input
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//-------------------------------------------------
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WRITE_LINE_MEMBER( dm9368_device::rbi_w )
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{
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if (LOG) logerror("DM9368 '%s' Ripple Blanking Input: %u\n", tag(), state);
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m_rbi = state;
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}
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//-------------------------------------------------
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// rbo_r - ripple blanking output
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//-------------------------------------------------
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READ_LINE_MEMBER( dm9368_device::rbo_r )
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{
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return m_rbo;
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}
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120
src/emu/video/dm9368.h
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120
src/emu/video/dm9368.h
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/**********************************************************************
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Fairchild DM9368 7-Segment Decoder/Driver/Latch emulation
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Copyright MESS Team.
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Visit http://mamedev.org for licensing and usage restrictions.
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**********************************************************************
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_____ _____
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A1 1 |* \_/ | 16 Vcc
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A2 2 | | 15 F
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_LE 3 | | 14 G
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_RBO 4 | DM9368 | 13 A
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_RBI 5 | | 12 B
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A3 6 | | 11 C
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A0 7 | | 10 D
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GND 8 |_____________| 9 E
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**********************************************************************/
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#pragma once
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#ifndef __DM9368__
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#define __DM9368__
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#include "emu.h"
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//**************************************************************************
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// INTERFACE CONFIGURATION MACROS
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//**************************************************************************
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#define MCFG_DM9368_ADD(_tag, _config) \
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MCFG_DEVICE_ADD(_tag, DM9368, 0) \
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MCFG_DEVICE_CONFIG(_config)
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#define DM9368_INTERFACE(name) \
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const dm9368_interface (name) =
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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// ======================> dm9368_interface
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struct dm9368_interface
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{
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int m_digit;
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devcb_read_line m_in_rbi_func;
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devcb_write_line m_out_rbo_func;
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};
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// ======================> dm9368_device_config
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class dm9368_device_config : public device_config,
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public dm9368_interface
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{
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friend class dm9368_device;
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// construction/destruction
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dm9368_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock);
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public:
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// allocators
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static device_config *static_alloc_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock);
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virtual device_t *alloc_device(running_machine &machine) const;
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protected:
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// device_config overrides
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virtual void device_config_complete();
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};
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// ======================> dm9368_device
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class dm9368_device : public device_t
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{
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friend class dm9368_device_config;
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// construction/destruction
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dm9368_device(running_machine &_machine, const dm9368_device_config &_config);
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public:
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void a_w(UINT8 data);
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DECLARE_WRITE_LINE_MEMBER( rbi_w );
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DECLARE_READ_LINE_MEMBER( rbo_r );
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protected:
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// device-level overrides
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virtual void device_start();
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private:
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inline int get_rbi();
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inline void set_rbo(int state);
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devcb_resolved_read_line m_in_rbi_func;
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devcb_resolved_write_line m_out_rbo_func;
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int m_rbi;
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int m_rbo;
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const dm9368_device_config &m_config;
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};
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// device type definition
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extern const device_type DM9368;
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#endif
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