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Diffstat (limited to 'src/mame/machine/cuda.h')
-rw-r--r-- | src/mame/machine/cuda.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/mame/machine/cuda.h b/src/mame/machine/cuda.h new file mode 100644 index 00000000000..2cdc32f7ff9 --- /dev/null +++ b/src/mame/machine/cuda.h @@ -0,0 +1,141 @@ +// license:BSD-3-Clause +// copyright-holders:R. Belmont +#pragma once + +#ifndef __CUDA_H__ +#define __CUDA_H__ + +#include "emu.h" + +//************************************************************************** +// MACROS / CONSTANTS +//************************************************************************** + +#define CUDA_TAG "cuda" + +#define CUDA_341S0060 0x1100 // v2.40 (Most common: Performa/Quadra 6xx, PowerMac x200, x400, x500, Pippin, Gossamer G3) +#define CUDA_341S0788 0x2200 // v2.37 (LC 475/575/Quadra 605, Quadra 660AV/840AV, PowerMac x200) +#define CUDA_341S0417 0x3300 // v2.35 (Color Classic) + +//************************************************************************** +// INTERFACE CONFIGURATION MACROS +//************************************************************************** + +#define MCFG_CUDA_ADD(_type) \ + MCFG_DEVICE_ADD(CUDA_TAG, CUDA, 0) \ + MCFG_CUDA_TYPE(_type) + +#define MCFG_CUDA_REPLACE(_type) \ + MCFG_DEVICE_REPLACE(CUDA_TAG, CUDA, 0) \ + MCFG_CUDA_TYPE(_type) + +#define MCFG_CUDA_REMOVE() \ + MCFG_DEVICE_REMOVE(CUDA_TAG) + +#define MCFG_CUDA_TYPE(_type) \ + cuda_device::static_set_type(*device, _type); + +#define MCFG_CUDA_REMOVE() \ + MCFG_DEVICE_REMOVE(CUDA_TAG) + +#define MCFG_CUDA_RESET_CALLBACK(_cb) \ + devcb = &cuda_device::set_reset_cb(*device, DEVCB_##_cb); + +#define MCFG_CUDA_LINECHANGE_CALLBACK(_cb) \ + devcb = &cuda_device::set_linechange_cb(*device, DEVCB_##_cb); + +#define MCFG_CUDA_VIA_CLOCK_CALLBACK(_cb) \ + devcb = &cuda_device::set_via_clock_cb(*device, DEVCB_##_cb); + +#define MCFG_CUDA_VIA_DATA_CALLBACK(_cb) \ + devcb = &cuda_device::set_via_data_cb(*device, DEVCB_##_cb); + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> cuda_device + +class cuda_device : public device_t, public device_nvram_interface +{ +public: + // construction/destruction + cuda_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // inline configuration helpers + static void static_set_type(device_t &device, int type); + + // device_config_nvram_interface overrides + virtual void nvram_default(); + virtual void nvram_read(emu_file &file); + virtual void nvram_write(emu_file &file); + + DECLARE_READ8_MEMBER( ddr_r ); + DECLARE_WRITE8_MEMBER( ddr_w ); + DECLARE_READ8_MEMBER( ports_r ); + DECLARE_WRITE8_MEMBER( ports_w ); + DECLARE_READ8_MEMBER( pll_r ); + DECLARE_WRITE8_MEMBER( pll_w ); + DECLARE_READ8_MEMBER( timer_ctrl_r ); + DECLARE_WRITE8_MEMBER( timer_ctrl_w ); + DECLARE_READ8_MEMBER( timer_counter_r ); + DECLARE_WRITE8_MEMBER( timer_counter_w ); + DECLARE_READ8_MEMBER( onesec_r ); + DECLARE_WRITE8_MEMBER( onesec_w ); + DECLARE_READ8_MEMBER( pram_r ); + DECLARE_WRITE8_MEMBER( pram_w ); + + // VIA interface routines + UINT8 get_treq() { return treq; } + void set_tip(UINT8 val) { tip = val; } + void set_byteack(UINT8 val) { byteack = val; } + UINT8 get_via_data() { return via_data; } + void set_via_data(UINT8 dat) { via_data = dat; } + UINT8 get_via_clock() { return via_clock; } + void set_adb_line(int linestate) { adb_in = (linestate == ASSERT_LINE) ? true : false; } + int get_adb_dtime() { return m_adb_dtime; } + + int rom_offset; + + template<class _Object> static devcb_base &set_reset_cb(device_t &device, _Object wr) { return downcast<cuda_device &>(device).write_reset.set_callback(wr); } + template<class _Object> static devcb_base &set_linechange_cb(device_t &device, _Object wr) { return downcast<cuda_device &>(device).write_linechange.set_callback(wr); } + template<class _Object> static devcb_base &set_via_clock_cb(device_t &device, _Object wr) { return downcast<cuda_device &>(device).write_via_clock.set_callback(wr); } + template<class _Object> static devcb_base &set_via_data_cb(device_t &device, _Object wr) { return downcast<cuda_device &>(device).write_via_data.set_callback(wr); } + + devcb_write_line write_reset, write_linechange, write_via_clock, write_via_data; + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + virtual machine_config_constructor device_mconfig_additions() const; + virtual const rom_entry *device_rom_region() const; + + required_device<cpu_device> m_maincpu; + + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); + +private: + UINT8 ddrs[3]; + UINT8 ports[3]; + UINT8 pll_ctrl; + UINT8 timer_ctrl; + UINT8 timer_counter, ripple_counter; + UINT8 onesec; + UINT8 treq, byteack, tip, via_data, via_clock, last_adb; + UINT64 last_adb_time; + bool cuda_controls_power; + bool adb_in; + int reset_line; + int m_adb_dtime; + emu_timer *m_timer, *m_prog_timer; + UINT8 pram[0x100], disk_pram[0x100]; + bool pram_loaded; + + void send_port(address_space &space, UINT8 offset, UINT8 data); +}; + +// device type definition +extern const device_type CUDA; + +#endif |