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Diffstat (limited to 'src/mess/includes/spectrum.h')
-rw-r--r-- | src/mess/includes/spectrum.h | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/src/mess/includes/spectrum.h b/src/mess/includes/spectrum.h deleted file mode 100644 index 2706e8223c7..00000000000 --- a/src/mess/includes/spectrum.h +++ /dev/null @@ -1,262 +0,0 @@ -// license:GPL-2.0+ -// copyright-holders:Kevin Thacker -/***************************************************************************** - * - * includes/spectrum.h - * - ****************************************************************************/ - -#ifndef __SPECTRUM_H__ -#define __SPECTRUM_H__ - -#include "machine/upd765.h" -#include "sound/speaker.h" -#include "machine/ram.h" -#include "imagedev/snapquik.h" -#include "imagedev/cassette.h" -#include "bus/generic/slot.h" -#include "bus/generic/carts.h" - -/* Spectrum crystals */ - -#define X1 XTAL_14MHz // Main clock (48k Spectrum) -#define X1_128_AMSTRAD 35469000 // Main clock (Amstrad 128K model, +2A?) -#define X1_128_SINCLAIR 17734475 // Main clock (Sinclair 128K model) - -#define X2 XTAL_4_433619MHz // PAL color subcarrier - -/* Spectrum screen size in pixels */ -#define SPEC_UNSEEN_LINES 16 /* Non-visible scanlines before first border - line. Some of these may be vertical retrace. */ -#define SPEC_TOP_BORDER 48 /* Number of border lines before actual screen */ -#define SPEC_DISPLAY_YSIZE 192 /* Vertical screen resolution */ -#define SPEC_BOTTOM_BORDER 56 /* Number of border lines at bottom of screen */ -#define SPEC_SCREEN_HEIGHT (SPEC_TOP_BORDER + SPEC_DISPLAY_YSIZE + SPEC_BOTTOM_BORDER) - -#define SPEC_LEFT_BORDER 48 /* Number of left hand border pixels */ -#define SPEC_DISPLAY_XSIZE 256 /* Horizontal screen resolution */ -#define SPEC_RIGHT_BORDER 48 /* Number of right hand border pixels */ -#define SPEC_SCREEN_WIDTH (SPEC_LEFT_BORDER + SPEC_DISPLAY_XSIZE + SPEC_RIGHT_BORDER) - -#define SPEC_LEFT_BORDER_CYCLES 24 /* Cycles to display left hand border */ -#define SPEC_DISPLAY_XSIZE_CYCLES 128 /* Horizontal screen resolution */ -#define SPEC_RIGHT_BORDER_CYCLES 24 /* Cycles to display right hand border */ -#define SPEC_RETRACE_CYCLES 48 /* Cycles taken for horizonal retrace */ -#define SPEC_CYCLES_PER_LINE 224 /* Number of cycles to display a single line */ - -/* 128K machines take an extra 4 cycles per scan line - add this to retrace */ -#define SPEC128_UNSEEN_LINES 15 -#define SPEC128_RETRACE_CYCLES 52 -#define SPEC128_CYCLES_PER_LINE 228 - -/* Border sizes for TS2068. These are guesses based on the number of cycles - available per frame. */ -#define TS2068_TOP_BORDER 32 -#define TS2068_BOTTOM_BORDER 32 -#define TS2068_SCREEN_HEIGHT (TS2068_TOP_BORDER + SPEC_DISPLAY_YSIZE + TS2068_BOTTOM_BORDER) - -/* Double the border sizes to maintain ratio of screen to border */ -#define TS2068_LEFT_BORDER 96 /* Number of left hand border pixels */ -#define TS2068_DISPLAY_XSIZE 512 /* Horizontal screen resolution */ -#define TS2068_RIGHT_BORDER 96 /* Number of right hand border pixels */ -#define TS2068_SCREEN_WIDTH (TS2068_LEFT_BORDER + TS2068_DISPLAY_XSIZE + TS2068_RIGHT_BORDER) - -struct EVENT_LIST_ITEM -{ - /* driver defined ID for this write */ - int Event_ID; - /* driver defined data for this write */ - int Event_Data; - /* time at which this write occurred */ - int Event_Time; -}; - - -enum -{ - TIMEX_CART_NONE, - TIMEX_CART_DOCK, - TIMEX_CART_EXROM, - TIMEX_CART_HOME -}; - - -class spectrum_state : public driver_device -{ -public: - spectrum_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag), - m_video_ram(*this, "video_ram"), - m_maincpu(*this, "maincpu"), - m_cassette(*this, "cassette"), - m_ram(*this, RAM_TAG), - m_speaker(*this, "speaker"), - m_cart(*this, "cartslot"), - m_dock(*this, "dockslot"), - m_upd765(*this, "upd765"), - m_upd765_0(*this, "upd765:0"), - m_upd765_1(*this, "upd765:1"), - m_io_line0(*this, "LINE0"), - m_io_line1(*this, "LINE1"), - m_io_line2(*this, "LINE2"), - m_io_line3(*this, "LINE3"), - m_io_line4(*this, "LINE4"), - m_io_line5(*this, "LINE5"), - m_io_line6(*this, "LINE6"), - m_io_line7(*this, "LINE7"), - m_io_nmi(*this, "NMI"), - m_io_config(*this, "CONFIG"), - m_io_joy_intf(*this, "JOY_INTF"), - m_io_kempston(*this, "KEMPSTON"), - m_io_fuller(*this, "FULLER"), - m_io_mikrogen(*this, "MIKROGEN"), - m_io_plus0(*this, "PLUS0"), - m_io_plus1(*this, "PLUS1"), - m_io_plus2(*this, "PLUS2"), - m_io_plus3(*this, "PLUS3"), - m_io_plus4(*this, "PLUS4") { } - - int m_port_fe_data; - int m_port_7ffd_data; - int m_port_1ffd_data; /* scorpion and plus3 */ - int m_port_ff_data; /* Display enhancement control */ - int m_port_f4_data; /* Horizontal Select Register */ - - int m_floppy; - - /* video support */ - int m_frame_invert_count; - int m_frame_number; /* Used for handling FLASH 1 */ - int m_flash_invert; - optional_shared_ptr<UINT8> m_video_ram; - UINT8 *m_screen_location; - - int m_ROMSelection; - - - EVENT_LIST_ITEM *m_pCurrentItem; - int m_NumEvents; - int m_TotalEvents; - char *m_pEventListBuffer; - int m_LastFrameStartTime; - int m_CyclesPerFrame; - - UINT8 *m_ram_0000; - UINT8 m_ram_disabled_by_beta; - DECLARE_WRITE8_MEMBER(spectrum_port_fe_w); - DECLARE_READ8_MEMBER(spectrum_port_fe_r); - DECLARE_READ8_MEMBER(spectrum_port_1f_r); - DECLARE_READ8_MEMBER(spectrum_port_7f_r); - DECLARE_READ8_MEMBER(spectrum_port_df_r); - DECLARE_READ8_MEMBER(spectrum_port_ula_r); - - DECLARE_WRITE8_MEMBER(spectrum_128_port_7ffd_w); - DECLARE_READ8_MEMBER(spectrum_128_ula_r); - - DECLARE_WRITE8_MEMBER(spectrum_plus3_port_3ffd_w); - DECLARE_READ8_MEMBER(spectrum_plus3_port_3ffd_r); - DECLARE_READ8_MEMBER(spectrum_plus3_port_2ffd_r); - DECLARE_WRITE8_MEMBER(spectrum_plus3_port_7ffd_w); - DECLARE_WRITE8_MEMBER(spectrum_plus3_port_1ffd_w); - - DECLARE_READ8_MEMBER(ts2068_port_f4_r); - DECLARE_WRITE8_MEMBER(ts2068_port_f4_w); - DECLARE_READ8_MEMBER(ts2068_port_ff_r); - DECLARE_WRITE8_MEMBER(ts2068_port_ff_w); - DECLARE_WRITE8_MEMBER(tc2048_port_ff_w); - - DECLARE_DRIVER_INIT(spectrum); - DECLARE_DRIVER_INIT(plus2); - DECLARE_DRIVER_INIT(plus3); - DECLARE_MACHINE_RESET(spectrum); - DECLARE_VIDEO_START(spectrum); - DECLARE_PALETTE_INIT(spectrum); - DECLARE_MACHINE_RESET(tc2048); - DECLARE_VIDEO_START(spectrum_128); - DECLARE_MACHINE_RESET(spectrum_128); - DECLARE_MACHINE_RESET(spectrum_plus3); - DECLARE_MACHINE_RESET(ts2068); - DECLARE_VIDEO_START(ts2068); - UINT32 screen_update_spectrum(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - UINT32 screen_update_tc2048(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - UINT32 screen_update_ts2068(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - void screen_eof_spectrum(screen_device &screen, bool state); - void screen_eof_timex(screen_device &screen, bool state); - INTERRUPT_GEN_MEMBER(spec_interrupt); - DECLARE_DEVICE_IMAGE_LOAD_MEMBER( spectrum_cart ); - - // for timex cart only - DECLARE_DEVICE_IMAGE_LOAD_MEMBER( timex_cart ); - int m_dock_cart_type, m_ram_chunks; - memory_region *m_dock_crt; - - unsigned int m_previous_border_x, m_previous_border_y; - bitmap_ind16 m_border_bitmap; - unsigned int m_previous_screen_x, m_previous_screen_y; - bitmap_ind16 m_screen_bitmap; - - DECLARE_FLOPPY_FORMATS( floppy_formats ); - void spectrum_128_update_memory(); - void spectrum_plus3_update_memory(); - void ts2068_update_memory(); - - DECLARE_SNAPSHOT_LOAD_MEMBER( spectrum ); - DECLARE_QUICKLOAD_LOAD_MEMBER( spectrum ); - - required_device<cpu_device> m_maincpu; - -protected: - required_device<cassette_image_device> m_cassette; - required_device<ram_device> m_ram; - required_device<speaker_sound_device> m_speaker; - optional_device<generic_slot_device> m_cart; - optional_device<generic_slot_device> m_dock; - optional_device<upd765a_device> m_upd765; - optional_device<floppy_connector> m_upd765_0; - optional_device<floppy_connector> m_upd765_1; - - // Regular spectrum ports; marked as optional because of other subclasses - optional_ioport m_io_line0; - optional_ioport m_io_line1; - optional_ioport m_io_line2; - optional_ioport m_io_line3; - optional_ioport m_io_line4; - optional_ioport m_io_line5; - optional_ioport m_io_line6; - optional_ioport m_io_line7; - optional_ioport m_io_nmi; - optional_ioport m_io_config; - optional_ioport m_io_joy_intf; - optional_ioport m_io_kempston; - optional_ioport m_io_fuller; - optional_ioport m_io_mikrogen; - // Plus ports - optional_ioport m_io_plus0; - optional_ioport m_io_plus1; - optional_ioport m_io_plus2; - optional_ioport m_io_plus3; - optional_ioport m_io_plus4; - - void spectrum_UpdateBorderBitmap(); - void spectrum_UpdateScreenBitmap(bool eof = false); - inline unsigned char get_display_color(unsigned char color, int invert); - inline void spectrum_plot_pixel(bitmap_ind16 &bitmap, int x, int y, UINT32 color); - void ts2068_hires_scanline(bitmap_ind16 &bitmap, int y, int borderlines); - void ts2068_64col_scanline(bitmap_ind16 &bitmap, int y, int borderlines, unsigned short inkcolor); - void ts2068_lores_scanline(bitmap_ind16 &bitmap, int y, int borderlines, int screen); - virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); -}; - - -/*----------- defined in drivers/spectrum.c -----------*/ - -INPUT_PORTS_EXTERN( spectrum ); -INPUT_PORTS_EXTERN( spec_plus ); - -MACHINE_CONFIG_EXTERN( spectrum ); - -/*----------- defined in drivers/spec128.c -----------*/ - -MACHINE_CONFIG_EXTERN( spectrum_128 ); - -#endif /* __SPECTRUM_H__ */ |