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-rw-r--r--src/mess/includes/pce.h156
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diff --git a/src/mess/includes/pce.h b/src/mess/includes/pce.h
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+/*****************************************************************************
+ *
+ * includes/pce.h
+ *
+ * NEC PC Engine/TurboGrafx16
+ *
+ ****************************************************************************/
+
+#ifndef PCE_H_
+#define PCE_H_
+
+#include "cdrom.h"
+#include "sound/msm5205.h"
+#include "machine/nvram.h"
+#include "video/huc6260.h"
+
+#define C6280_TAG "c6280"
+
+#define MAIN_CLOCK 21477270
+#define PCE_CD_CLOCK 9216000
+
+#define PCE_HEADER_SIZE 512
+
+#define TG_16_JOY_SIG 0x00
+#define PCE_JOY_SIG 0x40
+#define NO_CD_SIG 0x80
+#define CD_SIG 0x00
+/* these might be used to indicate something, but they always seem to return 1 */
+#define CONST_SIG 0x30
+
+/* the largest possible cartridge image (street fighter 2 - 2.5MB) */
+#define PCE_ROM_MAXSIZE 0x280000
+
+typedef struct
+{
+ UINT8 regs[16];
+ UINT8 *bram;
+ UINT8 *adpcm_ram;
+ int bram_locked;
+ int adpcm_read_ptr;
+ UINT8 adpcm_read_buf;
+ int adpcm_write_ptr;
+ UINT8 adpcm_write_buf;
+ int adpcm_length;
+ int adpcm_clock_divider;
+ UINT32 msm_start_addr;
+ UINT32 msm_end_addr;
+ UINT32 msm_half_addr;
+ UINT8 msm_nibble;
+ UINT8 msm_idle;
+ UINT8 msm_repeat;
+
+ /* SCSI signals */
+ int scsi_BSY; /* Busy. Bus in use */
+ int scsi_SEL; /* Select. Initiator has won arbitration and has selected a target */
+ int scsi_CD; /* Control/Data. Target is sending control (data) information */
+ int scsi_IO; /* Input/Output. Target is sending (receiving) information */
+ int scsi_MSG; /* Message. Target is sending or receiving a message */
+ int scsi_REQ; /* Request. Target is requesting a data transfer */
+ int scsi_ACK; /* Acknowledge. Initiator acknowledges that it is ready for a data transfer */
+ int scsi_ATN; /* Attention. Initiator has a message ready for the target */
+ int scsi_RST; /* Reset. Initiator forces all targets and any other initiators to do a warm reset */
+ int scsi_last_RST; /* To catch setting of RST signal */
+ int cd_motor_on;
+ int selected;
+ UINT8 *command_buffer;
+ int command_buffer_index;
+ int status_sent;
+ int message_after_status;
+ int message_sent;
+ UINT8 *data_buffer;
+ int data_buffer_size;
+ int data_buffer_index;
+ int data_transferred;
+
+ /* Arcade Card specific */
+ UINT8 *acard_ram;
+ UINT8 acard_latch;
+ UINT8 acard_ctrl[4];
+ UINT32 acard_base_addr[4];
+ UINT16 acard_addr_offset[4];
+ UINT16 acard_addr_inc[4];
+ UINT32 acard_shift;
+ UINT8 acard_shift_reg;
+
+ UINT32 current_frame;
+ UINT32 end_frame;
+ UINT32 last_frame;
+ UINT8 cdda_status;
+ UINT8 cdda_play_mode;
+ UINT8 *subcode_buffer;
+ UINT8 end_mark;
+ cdrom_file *cd;
+ const cdrom_toc* toc;
+ emu_timer *data_timer;
+ emu_timer *adpcm_dma_timer;
+
+ emu_timer *cdda_fadeout_timer;
+ emu_timer *cdda_fadein_timer;
+ double cdda_volume;
+ emu_timer *adpcm_fadeout_timer;
+ emu_timer *adpcm_fadein_timer;
+ double adpcm_volume;
+} pce_cd_t;
+
+
+class pce_state : public driver_device
+{
+public:
+ pce_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag) ,
+ m_cd_ram(*this, "cd_ram"),
+ m_user_ram(*this, "user_ram"),
+ m_huc6260(*this, "huc6260")
+ { }
+
+ required_shared_ptr<UINT8> m_cd_ram;
+ required_shared_ptr<unsigned char> m_user_ram;
+ optional_device<huc6260_device> m_huc6260;
+ UINT8 m_io_port_options;
+ UINT8 m_sys3_card;
+ UINT8 m_acard;
+ pce_cd_t m_cd;
+ UINT8 *m_cartridge_ram;
+ int m_joystick_port_select;
+ int m_joystick_data_select;
+ UINT8 m_joy_6b_packet[5];
+ DECLARE_WRITE8_MEMBER(pce_sf2_banking_w);
+ DECLARE_WRITE8_MEMBER(pce_cartridge_ram_w);
+ DECLARE_WRITE8_MEMBER(mess_pce_joystick_w);
+ DECLARE_READ8_MEMBER(mess_pce_joystick_r);
+ DECLARE_WRITE8_MEMBER(pce_cd_bram_w);
+ DECLARE_WRITE8_MEMBER(pce_cd_intf_w);
+ DECLARE_READ8_MEMBER(pce_cd_intf_r);
+ DECLARE_READ8_MEMBER(pce_cd_acard_r);
+ DECLARE_WRITE8_MEMBER(pce_cd_acard_w);
+ DECLARE_READ8_MEMBER(pce_cd_acard_wram_r);
+ DECLARE_WRITE8_MEMBER(pce_cd_acard_wram_w);
+ DECLARE_DRIVER_INIT(sgx);
+ DECLARE_DRIVER_INIT(tg16);
+ DECLARE_DRIVER_INIT(mess_pce);
+ UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+};
+
+
+/*----------- defined in machine/pce.c -----------*/
+
+DEVICE_IMAGE_LOAD(pce_cart);
+
+extern const msm5205_interface pce_cd_msm5205_interface;
+
+MACHINE_START( pce );
+MACHINE_RESET( mess_pce );
+
+
+#endif /* PCE_H_ */