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-rw-r--r--src/mess/includes/hp48.h219
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diff --git a/src/mess/includes/hp48.h b/src/mess/includes/hp48.h
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-// license:BSD-3-Clause
-// copyright-holders:Antoine Mine
-/**********************************************************************
-
- Copyright (C) Antoine Mine' 2008
-
- Hewlett Packard HP48 S/SX & G/GX and HP49 G
-
-**********************************************************************/
-
-#include "sound/dac.h"
-/* model */
-typedef enum {
- HP48_S,
- HP48_SX,
- HP48_G,
- HP48_GX,
- HP48_GP,
- HP49_G
-} hp48_models;
-
-/* memory module configuration */
-typedef struct
-{
- /* static part */
- UINT32 off_mask; /* offset bit-mask, indicates the real size */
- read8_delegate read;
- const char *read_name;
- write8_delegate write;
- void* data; /* non-NULL for banks */
- int isnop;
-
- /* configurable part */
- UINT8 state; /* one of HP48_MODULE_ */
- UINT32 base; /* base address */
- UINT32 mask; /* often improperly called size, it is an address select mask */
-
-} hp48_module;
-
-
-/* screen image averaging */
-#define HP48_NB_SCREENS 3
-
-class hp48_state : public driver_device
-{
-public:
- hp48_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag),
- m_maincpu(*this, "maincpu"),
- m_dac(*this, "dac"),
- m_palette(*this, "palette") { }
-
- UINT8 *m_videoram;
- UINT8 m_io[64];
- hp48_models m_model;
-
- /* OUT register from SATURN (actually 12-bit) */
- UINT16 m_out;
-
- /* keyboard interrupt */
- UINT8 m_kdn;
-
- /* from highest to lowest priority: HDW, NCE2, CE1, CE2, NCE3, NCE1 */
- hp48_module m_modules[6];
-
- /* RAM/ROM extensions, GX/SX only (each UINT8 stores one nibble)
- port1: SX/GX: 32/128 KB
- port2: SX:32/128KB, GX:128/512/4096 KB
- */
- UINT32 m_port_size[2];
- UINT8 m_port_write[2];
- UINT8* m_port_data[2];
-
- UINT32 m_bank_switch;
- UINT32 m_io_addr;
- UINT16 m_crc;
- UINT8 m_timer1;
- UINT32 m_timer2;
- UINT8 m_screens[ HP48_NB_SCREENS ][ 64 ][ 144 ];
- int m_cur_screen;
- UINT8* m_rom;
-
- DECLARE_DRIVER_INIT(hp48);
- virtual void machine_reset();
- DECLARE_PALETTE_INIT(hp48);
- DECLARE_MACHINE_START(hp49g);
- DECLARE_MACHINE_START(hp48gx);
- DECLARE_MACHINE_START(hp48g);
- DECLARE_MACHINE_START(hp48gp);
- DECLARE_MACHINE_START(hp48sx);
- DECLARE_MACHINE_START(hp48s);
- UINT32 screen_update_hp48(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
- void hp48_machine_start(hp48_models model);
- DECLARE_WRITE8_MEMBER(hp48_io_w);
- DECLARE_READ8_MEMBER(hp48_io_r);
- DECLARE_READ8_MEMBER(hp48_bank_r);
- DECLARE_WRITE8_MEMBER(hp49_bank_w);
- TIMER_CALLBACK_MEMBER(hp48_rs232_byte_recv_cb);
- TIMER_CALLBACK_MEMBER(hp48_rs232_byte_sent_cb);
- TIMER_CALLBACK_MEMBER(hp48_chardev_byte_recv_cb);
- TIMER_CALLBACK_MEMBER(hp48_kbd_cb);
- TIMER_CALLBACK_MEMBER(hp48_timer1_cb);
- TIMER_CALLBACK_MEMBER(hp48_timer2_cb);
- void hp48_update_annunciators();
- void hp48_apply_modules();
- required_device<cpu_device> m_maincpu;
- required_device<dac_device> m_dac;
- required_device<palette_device> m_palette;
- void hp48_pulse_irq( int irq_line);
- void hp48_rs232_start_recv_byte( UINT8 data );
- void hp48_rs232_send_byte( );
- int hp48_get_in( );
- void hp48_update_kdn( );
- void hp48_reset_modules( );
- void hp48_decode_nibble( UINT8* dst, UINT8* src, int size );
- void hp48_encode_nibble( UINT8* dst, UINT8* src, int size );
-
- /* memory controller */
- DECLARE_WRITE_LINE_MEMBER( hp48_mem_reset );
- DECLARE_WRITE32_MEMBER( hp48_mem_config );
- DECLARE_WRITE32_MEMBER( hp48_mem_unconfig );
- DECLARE_READ32_MEMBER( hp48_mem_id );
-
- /* CRC computation */
- DECLARE_WRITE32_MEMBER( hp48_mem_crc );
-
- /* IN/OUT registers */
- DECLARE_READ32_MEMBER( hp48_reg_in );
- DECLARE_WRITE32_MEMBER( hp48_reg_out );
-
- /* keybord interrupt system */
- DECLARE_WRITE_LINE_MEMBER( hp48_rsi );
-};
-
-
-/***************************************************************************
- MACROS
-***************************************************************************/
-
-/* read from I/O memory */
-#define HP48_IO_4(x) (m_io[(x)])
-#define HP48_IO_8(x) (m_io[(x)] | (m_io[(x)+1] << 4))
-#define HP48_IO_12(x) (m_io[(x)] | (m_io[(x)+1] << 4) | (m_io[(x)+2] << 8))
-#define HP48_IO_20(x) (m_io[(x)] | (m_io[(x)+1] << 4) | (m_io[(x)+2] << 8) | \
- (m_io[(x)+3] << 12) | (m_io[(x)+4] << 16))
-
-
-/*----------- defined in machine/hp48.c -----------*/
-
-/***************************************************************************
- GLOBAL VARIABLES & CONSTANTS
-***************************************************************************/
-
-/* I/O memory */
-
-
-
-/***************************************************************************
- FUNCTION PROTOTYPES
-***************************************************************************/
-
-/* list of memory modules from highest to lowest priority */
-#define HP48_HDW 0
-#define HP48_NCE2 1
-#define HP48_CE1 2
-#define HP48_CE2 3
-#define HP48_NCE3 4
-#define HP48_NCE1 5
-
-/****************************** cards ********************************/
-
-class hp48_port_image_device : public device_t,
- public device_image_interface
-{
-public:
- // construction/destruction
- hp48_port_image_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
-
- static void set_port_config(device_t &device, int port, int module, int max_size)
- {
- downcast<hp48_port_image_device &>(device).m_port = port;
- downcast<hp48_port_image_device &>(device).m_module = module;
- downcast<hp48_port_image_device &>(device).m_max_size = max_size;
- }
-
- // image-level overrides
- virtual iodevice_t image_type() const { return IO_MEMCARD; }
-
- virtual bool is_readable() const { return 1; }
- virtual bool is_writeable() const { return 1; }
- virtual bool is_creatable() const { return 1; }
- virtual bool must_be_loaded() const { return 0; }
- virtual bool is_reset_on_load() const { return 0; }
- virtual const char *image_interface() const { return NULL; }
- virtual const char *file_extensions() const { return "crd"; }
- virtual const option_guide *create_option_guide() const { return NULL; }
-
- virtual bool call_load();
- virtual void call_unload();
- virtual bool call_create(int format_type, option_resolution *format_options);
-protected:
- // device-level overrides
- virtual void device_config_complete();
- virtual void device_start();
-private:
- void hp48_fill_port();
- void hp48_unfill_port();
-
- int m_port; /* port index: 0 or 1 (for port 1 and 2) */
- int m_module; /* memory module where the port is visible */
- int m_max_size; /* maximum size, in bytes 128 KB or 4 GB */
-};
-
-// device type definition
-extern const device_type HP48_PORT;
-
-#define MCFG_HP48_PORT_ADD(_tag, _port, _module, _max_size) \
- MCFG_DEVICE_ADD(_tag, HP48_PORT, 0) \
- hp48_port_image_device::set_port_config(*device, _port, _module, _max_size);