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-rw-r--r--trunk/src/emu/video/h63484.h151
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diff --git a/trunk/src/emu/video/h63484.h b/trunk/src/emu/video/h63484.h
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+++ b/trunk/src/emu/video/h63484.h
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+/*************************************************************************
+
+ HD63484 ACRTC
+ Advanced CRT Controller.
+
+**************************************************************************/
+
+#pragma once
+
+#ifndef __H63484__
+#define __H63484__
+
+
+#include "emu.h"
+
+
+/***************************************************************************
+ DEVICE CONFIGURATION MACROS
+***************************************************************************/
+
+#define MCFG_H63484_ADD(_tag, _clock, _config, _map) \
+ MCFG_DEVICE_ADD(_tag, H63484, _clock) \
+ MCFG_DEVICE_CONFIG(_config) \
+ MCFG_DEVICE_ADDRESS_MAP(AS_0, _map)
+
+#define H63484_INTERFACE(name) \
+ const h63484_interface (name) =
+
+typedef void (*h63484_display_pixels_func)(device_t *device, bitmap_ind16 &bitmap, int y, int x, UINT16 data);
+#define H63484_DISPLAY_PIXELS(name) void name(device_t *device, bitmap_ind16 &bitmap, int y, int x, UINT16 data)
+
+// ======================> h63484_interface
+
+struct h63484_interface
+{
+ const char *m_screen_tag; /* screen we are acting on */
+ h63484_display_pixels_func m_display_cb;
+};
+
+// ======================> upd7220_device
+
+class h63484_device : public device_t,
+ public device_memory_interface,
+ public h63484_interface
+{
+public:
+ // construction/destruction
+ h63484_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ DECLARE_WRITE16_MEMBER( address_w );
+ DECLARE_WRITE16_MEMBER( data_w );
+
+ DECLARE_READ16_MEMBER( status_r );
+ DECLARE_READ16_MEMBER( data_r );
+
+ DECLARE_READ8_MEMBER( vram_r );
+ DECLARE_WRITE8_MEMBER( vram_w );
+
+ UINT32 update_screen(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+ virtual const rom_entry *device_rom_region() const;
+ virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const;
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ //virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
+ virtual void device_config_complete();
+
+ inline UINT8 readbyte(offs_t address);
+ inline void writebyte(offs_t address, UINT8 data);
+
+private:
+ inline void fifo_w_clear();
+ inline void queue_w(UINT8 data);
+ inline void dequeue_w(UINT8 *data);
+ inline void fifo_r_clear();
+ inline void queue_r(UINT8 data);
+ inline void dequeue_r(UINT8 *data);
+ inline void recompute_parameters();
+ inline void command_end_seq();
+
+ void command_wpr_exec();
+ void command_clr_exec();
+ void command_cpy_exec();
+ void command_rct_exec();
+ void process_fifo();
+ void exec_abort_sequence();
+ UINT16 video_registers_r(int offset);
+ void video_registers_w(int offset);
+ int translate_command(UINT16 data);
+ void draw_graphics_line(bitmap_ind16 &bitmap, const rectangle &cliprect, int y, int layer_n);
+
+
+ screen_device *m_screen;
+
+ UINT8 *m_vram;
+ UINT8 m_ar;
+ UINT8 m_vreg[0x100];
+ UINT8 m_sr;
+
+ UINT8 m_fifo[16]; /* FIFO W data queue */
+ int m_fifo_ptr; /* FIFO W pointer */
+
+ UINT8 m_fifo_r[16]; /* FIFO R data queue */
+ int m_fifo_r_ptr; /* FIFO R pointer */
+
+
+ UINT16 m_cr;
+ UINT16 m_pr[0x10]; /* parameter byte register */
+ int m_param_ptr; /* parameter pointer */
+
+ UINT32 m_rwp[4];
+ UINT8 m_rwp_dn;
+
+ UINT32 m_org_dpa;
+ UINT8 m_org_dn;
+ UINT8 m_org_dpd;
+ UINT16 m_cl0;
+ UINT16 m_cl1;
+
+ INT16 m_cpx;
+ INT16 m_cpy;
+
+ UINT16 m_mwr[4];
+ UINT8 m_mwr_chr[4];
+
+ UINT32 m_sar[4];
+ UINT8 m_sda[4];
+
+ UINT16 m_pram[0x10];
+ UINT8 m_dn;
+
+ UINT16 m_ccr;
+ UINT16 m_dcr;
+
+ UINT16 m_hc, m_hds, m_hdw, m_hws, m_hww;
+ UINT8 m_hsw;
+
+ UINT16 m_vc, m_vws, m_vww, m_vds;
+ UINT8 m_vsw;
+
+ const address_space_config m_space_config;
+};
+
+// device type definition
+extern const device_type H63484;
+
+#endif /* __H63484_H__ */
+
+