diff options
author | 2010-08-27 05:37:56 +0000 | |
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committer | 2010-08-27 05:37:56 +0000 | |
commit | 4cc59054e0f8c95d7429a4792802bd3f0be73aff (patch) | |
tree | f0726e9aeb7c94436079386d150b3eb0fb8525af /src/emu/machine/ins8154.h | |
parent | 04aa0a09eb1d89ce905fe7dd523d92b0ef8b0f0f (diff) |
Updated the INS 8154 RAM I/O device to no longer be legacy. [Harmony]
Non-whatsnew note: For MESS.
Diffstat (limited to 'src/emu/machine/ins8154.h')
-rw-r--r-- | src/emu/machine/ins8154.h | 116 |
1 files changed, 96 insertions, 20 deletions
diff --git a/src/emu/machine/ins8154.h b/src/emu/machine/ins8154.h index 7448445b60f..df3fc8d4842 100644 --- a/src/emu/machine/ins8154.h +++ b/src/emu/machine/ins8154.h @@ -28,32 +28,117 @@ ***************************************************************************/ +#pragma once + #ifndef __INS8154_H__ #define __INS8154_H__ -#include "devlegcy.h" -#include "devcb.h" +#include "emu.h" + + + +/*************************************************************************** + DEVICE CONFIGURATION MACROS +***************************************************************************/ + +#define MDRV_INS8154_ADD(_tag, _intrf) \ + MDRV_DEVICE_ADD(_tag, INS8154, 0) \ + MDRV_DEVICE_CONFIG(_intrf) /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ -typedef struct _ins8154_interface ins8154_interface; -struct _ins8154_interface + +// ======================> ins8154_interface + +struct ins8154_interface +{ + devcb_read8 m_in_a_func; + devcb_write8 m_out_a_func; + devcb_read8 m_in_b_func; + devcb_write8 m_out_b_func; + devcb_write_line m_out_irq_func; +}; + + + +// ======================> ins8154_device_config + +class ins8154_device_config : public device_config, + public ins8154_interface +{ + friend class ins8154_device; + + // construction/destruction + ins8154_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock); + +public: + // allocators + static device_config *static_alloc_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock); + virtual device_t *alloc_device(running_machine &machine) const; + +protected: + // device_config overrides + virtual void device_config_complete(); +}; + + + +// ======================> ins8154_device + +class ins8154_device : public device_t { - devcb_read8 in_a_func; - devcb_write8 out_a_func; - devcb_read8 in_b_func; - devcb_write8 out_b_func; - devcb_write_line out_irq_func; + friend class ins8154_device_config; + + // construction/destruction + ins8154_device(running_machine &_machine, const ins8154_device_config &_config); + +public: + + UINT8 ins8154_r(UINT32 offset); + void ins8154_w(UINT32 offset, UINT8 data); + + void ins8154_porta_w(UINT32 offset, UINT8 data); + void ins8154_portb_w(UINT32 offset, UINT8 data); + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + virtual void device_post_load() { } + virtual void device_clock_changed() { } + +private: + + /* i/o lines */ + devcb_resolved_read8 m_in_a_func; + devcb_resolved_write8 m_out_a_func; + devcb_resolved_read8 m_in_b_func; + devcb_resolved_write8 m_out_b_func; + devcb_resolved_write_line m_out_irq_func; + + /* registers */ + UINT8 m_in_a; /* Input Latch Port A */ + UINT8 m_in_b; /* Input Latch Port B */ + UINT8 m_out_a; /* Output Latch Port A */ + UINT8 m_out_b; /* Output Latch Port B */ + UINT8 m_mdr; /* Mode Definition Register */ + UINT8 m_odra; /* Output Definition Register Port A */ + UINT8 m_odrb; /* Output Definition Register Port B */ + + const ins8154_device_config &m_config; }; -DECLARE_LEGACY_DEVICE(INS8154, ins8154); + +// device type definition +extern const device_type INS8154; + /*************************************************************************** - FUNCTION PROTOTYPES + PROTOTYPES ***************************************************************************/ READ8_DEVICE_HANDLER( ins8154_r ); @@ -63,13 +148,4 @@ WRITE8_DEVICE_HANDLER( ins8154_porta_w ); WRITE8_DEVICE_HANDLER( ins8154_portb_w ); -/*************************************************************************** - DEVICE CONFIGURATION MACROS -***************************************************************************/ - -#define MDRV_INS8154_ADD(_tag, _intrf) \ - MDRV_DEVICE_ADD(_tag, INS8154, 0) \ - MDRV_DEVICE_CONFIG(_intrf) - - #endif /* __INS8154_H__ */ |