// license:GPL-2.0+
// copyright-holders:Kevin Thacker, Barry Rodewald
/*****************************************************************************
*
* includes/amstrad.h
*
****************************************************************************/
#ifndef MAME_INCLUDES_AMSTRAD_H
#define MAME_INCLUDES_AMSTRAD_H
#include "cpu/z80/z80.h"
#include "sound/ay8910.h"
#include "machine/upd765.h"
#include "video/mc6845.h"
#include "machine/i8255.h"
#include "machine/mc146818.h"
#include "imagedev/snapquik.h"
#include "bus/cpc/cpcexp.h"
#include "bus/cpc/ddi1.h"
#include "bus/cpc/cpc_ssa1.h"
#include "bus/cpc/cpc_rom.h"
#include "bus/cpc/mface2.h"
#include "bus/cpc/cpc_pds.h"
#include "bus/cpc/cpc_rs232.h"
#include "bus/cpc/symbfac2.h"
#include "bus/cpc/amdrum.h"
#include "bus/cpc/playcity.h"
#include "bus/cpc/smartwatch.h"
#include "bus/cpc/brunword4.h"
#include "bus/cpc/hd20.h"
#include "bus/cpc/magicsound.h"
#include "bus/cpc/doubler.h"
#include "bus/cpc/transtape.h"
#include "machine/ram.h"
#include "imagedev/cassette.h"
#include "bus/centronics/ctronics.h"
#include "bus/centronics/comxpl80.h"
#include "bus/centronics/epson_ex800.h"
#include "bus/centronics/epson_lx800.h"
#include "bus/centronics/epson_lx810l.h"
#include "bus/centronics/printer.h"
#include "bus/centronics/digiblst.h"
#include "bus/generic/slot.h"
#include "bus/generic/carts.h"
#include "screen.h"
/****************************
* Gate Array data (CPC) -
****************************/
struct gate_array_t
{
std::unique_ptr<bitmap_ind16> bitmap; /* The bitmap we work on */
uint8_t pen_selected; /* Pen selection */
uint8_t mrer; /* Mode and ROM Enable Register */
uint8_t upper_bank;
uint8_t romdis; // ROMDIS signal from the expansion port
/* input signals from CRTC */
int vsync;
int hsync;
int de;
int ma;
int ra;
/* used for timing */
int hsync_after_vsync_counter;
int hsync_counter; /* The gate array counts CRTC HSYNC pulses using an internal 6-bit counter. */
/* used for drawing the screen */
attotime last_draw_time;
int y;
uint16_t *draw_p; /* Position in the bitmap where we are currently drawing */
uint16_t colour;
uint16_t address;
uint8_t *mode_lookup;
uint8_t data;
uint8_t ticks;
uint8_t ticks_increment;
uint16_t line_ticks;
uint8_t colour_ticks;
uint8_t max_colour_ticks;
};
/****************************
* ASIC data (CPC plus)
****************************/
struct asic_t
{
uint8_t *ram; /* pointer to RAM used for the CPC+ ASIC memory-mapped registers */
uint8_t enabled; /* Are CPC plus features enabled/unlocked */
uint8_t pri; /* Programmable raster interrupt */
uint8_t seqptr; /* Current position in the ASIC unlocking sequence */
uint8_t rmr2; /* ROM mapping register 2 */
uint16_t split_ma_base; /* Used to handle split screen support */
uint16_t split_ma_started; /* Used to handle split screen support */
uint16_t vpos; /* Current logical scanline */
uint16_t h_start; /* Position where DE became active */
uint16_t h_end; /* Position where DE became inactive */
uint8_t addr_6845; /* We need these to store a shadow copy of R1 of the mc6845 */
uint8_t horiz_disp;
uint8_t hscroll;
uint8_t de_start; /* flag to check if DE is been enabled this frame yet */
bool hsync_first_tick; /* flag to check in first CRTC tick, used for knowing when to cover left side of screen to cover horizontal softscroll mess */
uint8_t hsync_tick_count;
/* DMA */
uint8_t dma_status;
uint8_t dma_clear; /* Set if DMA interrupts are to be cleared automatically */
uint8_t dma_prescaler[3]; /* DMA channel prescaler */
uint16_t dma_repeat[3]; /* Location of the DMA channel's last repeat */
uint16_t dma_addr[3]; /* DMA channel address */
uint16_t dma_loopcount[3]; /* Count loops taken on this channel */
uint16_t dma_pause[3]; /* DMA pause count */
};
class amstrad_state : public driver_device
{
public:
enum
{
TIMER_PC2_LOW,
TIMER_VIDEO_UPDATE,
TIMER_SET_RESOLUTION
};
amstrad_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_ay(*this, "ay"),
m_fdc(*this, "upd765"),
m_crtc(*this, "mc6845"),
m_ppi(*this, "ppi8255"),
m_centronics(*this, "centronics"),
m_cassette(*this, "cassette"),
m_cart(*this, "cartslot"),
m_ram(*this, RAM_TAG),
m_exp(*this, "exp"),
m_rtc(*this, "rtc"),
m_region_maincpu(*this, "maincpu"),
m_region_user1(*this, "user1"),
m_bank1(*this, "bank1"),
m_bank2(*this, "bank2"),
m_bank3(*this, "bank3"),
m_bank4(*this, "bank4"),
m_bank5(*this, "bank5"),
m_bank6(*this, "bank6"),
m_bank7(*this, "bank7"),
m_bank8(*this, "bank8"),
m_bank9(*this, "bank9"),
m_bank10(*this, "bank10"),
m_bank11(*this, "bank11"),
m_bank12(*this, "bank12"),
m_bank13(*this, "bank13"),
m_bank14(*this, "bank14"),
m_bank15(*this, "bank15"),
m_bank16(*this, "bank16"),
m_io_kbrow(*this, "kbrow.%u", 0),
m_io_analog(*this, "analog.%u", 0),
m_io_mouse1(*this,"mouse_input1"),
m_io_mouse2(*this,"mouse_input2"),
m_io_mouse3(*this,"mouse_input3"),
m_io_solder_links(*this, "solder_links"),
m_io_green_display(*this, "green_display"),
m_io_ctrltype(*this,"controller_type"),
m_screen(*this, "screen"),
m_palette(*this, "palette") { }
required_device<z80_device> m_maincpu;
required_device<ay8910_device> m_ay;
optional_device<upd765_family_device> m_fdc; // not on a GX4000
required_device<mc6845_device> m_crtc;
required_device<i8255_device> m_ppi;
optional_device<centronics_device> m_centronics; // not on a GX4000
optional_device<cassette_image_device> m_cassette; // not on a GX4000, (or technically, the 6128+)
optional_device<generic_slot_device> m_cart; // only on 664+, 6128+ and GX4000
required_device<ram_device> m_ram;
optional_device<cpc_expansion_slot_device> m_exp; // not on a GX4000
optional_device<mc146818_device> m_rtc; // Aleste 520EX only
int m_system_type;
uint8_t m_aleste_mode;
int m_plus_irq_cause;
gate_array_t m_gate_array;
asic_t m_asic;
int m_GateArray_RamConfiguration;
unsigned char *m_AmstradCPC_RamBanks[4];
unsigned char *m_Aleste_RamBanks[4];
int m_aleste_active_page[4];
unsigned char *m_Amstrad_ROM_Table[256];
uint8_t m_ppi_port_inputs[3];
uint8_t m_ppi_port_outputs[3];
int m_aleste_rtc_function;
int m_prev_reg;
uint16_t m_GateArray_render_colours[17];
uint8_t m_mode0_lookup[256];
uint8_t m_mode1_lookup[256];
uint8_t m_mode2_lookup[256];
int m_prev_data;
int m_printer_bit8_selected;
unsigned char m_Psg_FunctionSelected;
int m_previous_ppi_portc_w;
uint8_t m_amx_mouse_data;
DECLARE_WRITE8_MEMBER(amstrad_plus_asic_4000_w);
DECLARE_WRITE8_MEMBER(amstrad_plus_asic_6000_w);
DECLARE_READ8_MEMBER(amstrad_plus_asic_4000_r);
DECLARE_READ8_MEMBER(amstrad_plus_asic_6000_r);
DECLARE_WRITE8_MEMBER(aleste_msx_mapper);
DECLARE_READ8_MEMBER(amstrad_cpc_io_r);
DECLARE_WRITE8_MEMBER(amstrad_cpc_io_w);
DECLARE_READ8_MEMBER(amstrad_psg_porta_read);
void amstrad_plus_seqcheck(int data);
DECLARE_MACHINE_START(amstrad);
DECLARE_MACHINE_RESET(amstrad);
DECLARE_VIDEO_START(amstrad);
DECLARE_PALETTE_INIT(amstrad_cpc);
DECLARE_PALETTE_INIT(amstrad_cpc_green);
DECLARE_MACHINE_START(plus);
DECLARE_MACHINE_RESET(plus);
DECLARE_PALETTE_INIT(amstrad_plus);
DECLARE_MACHINE_START(gx4000);
DECLARE_MACHINE_RESET(gx4000);
DECLARE_MACHINE_START(kccomp);
DECLARE_MACHINE_RESET(kccomp);
DECLARE_PALETTE_INIT(kccomp);
DECLARE_MACHINE_START(aleste);
DECLARE_MACHINE_RESET(aleste);
DECLARE_PALETTE_INIT(aleste);
uint32_t screen_update_amstrad(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
DECLARE_WRITE_LINE_MEMBER(screen_vblank_amstrad);
DECLARE_INPUT_CHANGED_MEMBER(cpc_monitor_changed);
TIMER_CALLBACK_MEMBER(amstrad_pc2_low);
TIMER_CALLBACK_MEMBER(amstrad_video_update_timer);
TIMER_CALLBACK_MEMBER(cb_set_resolution);
DECLARE_WRITE_LINE_MEMBER(amstrad_hsync_changed);
DECLARE_WRITE_LINE_MEMBER(amstrad_plus_hsync_changed);
DECLARE_WRITE_LINE_MEMBER(amstrad_vsync_changed);
DECLARE_WRITE_LINE_MEMBER(amstrad_plus_vsync_changed);
DECLARE_WRITE_LINE_MEMBER(amstrad_de_changed);
DECLARE_WRITE_LINE_MEMBER(amstrad_plus_de_changed);
DECLARE_READ8_MEMBER(amstrad_ppi_porta_r);
DECLARE_WRITE8_MEMBER(amstrad_ppi_porta_w);
DECLARE_READ8_MEMBER(amstrad_ppi_portb_r);
DECLARE_WRITE8_MEMBER(amstrad_ppi_portc_w);
DECLARE_WRITE_LINE_MEMBER( cpc_romdis );
DECLARE_WRITE8_MEMBER(rom_select);
DECLARE_FLOPPY_FORMATS( aleste_floppy_formats );
IRQ_CALLBACK_MEMBER(amstrad_cpu_acknowledge_int);
DECLARE_DEVICE_IMAGE_LOAD_MEMBER( amstrad_plus_cartridge );
void amstrad_handle_snapshot(unsigned char *pSnapshot);
void amstrad_rethinkMemory();
DECLARE_SNAPSHOT_LOAD_MEMBER( amstrad );
DECLARE_WRITE_LINE_MEMBER(write_centronics_busy);
void cpcplus_cartslot(machine_config &config);
void amstrad_base(machine_config &config);
void cpc664(machine_config &config);
void cpcplus(machine_config &config);
void gx4000(machine_config &config);
void cpc6128(machine_config &config);
void aleste(machine_config &config);
void kccomp(machine_config &config);
void cpc464(machine_config &config);
void amstrad_io(address_map &map);
void amstrad_mem(address_map &map);
protected:
required_memory_region m_region_maincpu;
optional_memory_region m_region_user1;
required_memory_bank m_bank1;
required_memory_bank m_bank2;
required_memory_bank m_bank3;
required_memory_bank m_bank4;
required_memory_bank m_bank5;
required_memory_bank m_bank6;
required_memory_bank m_bank7;
required_memory_bank m_bank8;
required_memory_bank m_bank9;
required_memory_bank m_bank10;
required_memory_bank m_bank11;
required_memory_bank m_bank12;
required_memory_bank m_bank13;
required_memory_bank m_bank14;
required_memory_bank m_bank15;
required_memory_bank m_bank16;
optional_ioport_array<11> m_io_kbrow;
optional_ioport_array<4> m_io_analog;
optional_ioport m_io_mouse1;
optional_ioport m_io_mouse2;
optional_ioport m_io_mouse3;
required_ioport m_io_solder_links;
required_ioport m_io_green_display;
optional_ioport m_io_ctrltype;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
memory_region *m_region_cart;
void amstrad_init_lookups();
void amstrad_vh_update_mode();
void amstrad_plus_dma_parse(int channel);
void amstrad_plus_handle_dma();
void amstrad_vh_update_colour(int PenIndex, uint16_t hw_colour_index);
void aleste_vh_update_colour(int PenIndex, uint16_t hw_colour_index);
void amstrad_gate_array_get_video_data();
void amstrad_update_video();
void amstrad_plus_gate_array_get_video_data();
void amstrad_plus_update_video();
void amstrad_plus_update_video_sprites();
void amstrad_setLowerRom();
void amstrad_setUpperRom();
void AmstradCPC_GA_SetRamConfiguration();
void AmstradCPC_PALWrite(int data);
void amstrad_GateArray_write(uint8_t dataToGateArray);
void amstrad_reset_machine();
void kccomp_reset_machine();
void update_psg();
void amstrad_common_init();
void enumerate_roms();
unsigned char kccomp_get_colour_element(int colour_value);
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
int m_centronics_busy;
uint8_t m_last_write;
};
/*----------- defined in machine/amstrad.c -----------*/
void cpc_exp_cards(device_slot_interface &device);
void cpcplus_exp_cards(device_slot_interface &device);
#endif // MAME_INCLUDES_AMSTRAD_H