EclaireXL

KEYBOARD_RESPONSE : IN STD_LOGIC_VECTOR(1 DOWNTO 0);

KEYBOARD_SCAN : OUT STD_LOGIC_VECTOR(5 DOWNTO 0);

-- PBI

PBI_ADDR : out STD_LOGIC_VECTOR(15 DOWNTO 0);

PBI_WRITE_ENABLE : out STD_LOGIC; -- currently only for CART config...

CONSOL_START : IN STD_LOGIC;

GTIA_TRIG : IN STD_LOGIC_VECTOR(3 downto 0);

-----------------------

-- After here all FPGA implementation specific

-- e.g. need to write up RAM/ROM

-- Special config params

RAM_SELECT : in std_logic_vector(2 downto 0); -- 64K,128K,320KB Compy, 320KB Rambo, 576K Compy, 576K Rambo, 1088K, 4MB

CART_EMULATION_SELECT : in std_logic_vector(6 downto 0); -- from where

CART_EMULATION_ACTIVATE : in std_logic; -- to where? TODO, these needs redoing and wiring up!

PAL : in STD_LOGIC;

ARCHITECTURE bdf_type OF atari800core IS

-- ANTIC

SIGNAL ANTIC_ADDR : STD_LOGIC_VECTOR(15 DOWNTO 0);

SIGNAL ANTIC_AN : STD_LOGIC_VECTOR(2 DOWNTO 0);

SIGNAL ANTIC_COLOUR_CLOCK_OUT : STD_LOGIC;

-- POKEY

SIGNAL POKEY_IRQ : STD_LOGIC;

SIGNAL POKEY_DO : STD_LOGIC_VECTOR(7 DOWNTO 0);

SIGNAL CACHE_POKEY_DO : STD_LOGIC_VECTOR(7 DOWNTO 0);

MEMORY_READY_CPU => MEMORY_READY_CPU,

ANTIC_ENABLE_179 => ANTIC_ENABLE_179,

PAL => PAL,

ADDR => PBI_ADDR_INT(3 DOWNTO 0),

CPU_DATA_IN => WRITE_DATA(7 DOWNTO 0),

MEMORY_DATA_IN => MEMORY_DATA(7 DOWNTO 0),

AUDIO_R : OUT std_logic_vector(15 downto 0);

-- JOYSTICK

-- KEYBOARD

PS2_CLK : IN STD_LOGIC;

AUDIO_R : OUT std_logic_vector(15 downto 0);

-- JOYSTICK

-- Pokey keyboard matrix

-- Standard component available to connect this to PS2

SIGNAL PORTA_DIR_OUT : STD_LOGIC_VECTOR(7 DOWNTO 0);

SIGNAL PORTB_IN : STD_LOGIC_VECTOR(7 DOWNTO 0);

SIGNAL PORTB_OUT : STD_LOGIC_VECTOR(7 DOWNTO 0);

-- GTIA

signal GTIA_TRIG : std_logic_vector(3 downto 0);

-- CARTRIDGE ACCESS

SIGNAL CART_RD4 : STD_LOGIC;

SIGNAL CART_RD5 : STD_LOGIC;

CA2_IN <= CA2_OUT when CA2_DIR_OUT='1' else '1';

CB2_IN <= CB2_OUT when CB2_DIR_OUT='1' else '1';

SIO_COMMAND <= CB2_OUT;

PORTB_IN <= PORTB_OUT;

-- GTIA triggers

-- Cartridge not inserted

CART_RD4 <= '0';

PORTA_DIR_OUT => PORTA_DIR_OUT,

PORTA_OUT => PORTA_OUT,

PORTB_IN => PORTB_IN,

PORTB_OUT => PORTB_OUT,

KEYBOARD_RESPONSE => KEYBOARD_RESPONSE,

KEYBOARD_SCAN => KEYBOARD_SCAN,

-- PBI

PBI_ADDR => open,

PBI_WRITE_ENABLE => open,

CONSOL_SELECT => CONSOL_SELECT,

CONSOL_START=> CONSOL_START,

GTIA_TRIG => GTIA_TRIG,

SDRAM_REQUEST => SDRAM_REQUEST,

SDRAM_REQUEST_COMPLETE => SDRAM_REQUEST_COMPLETE,

DMA_WRITE_DATA => DMA_WRITE_DATA,

MEMORY_READY_DMA => MEMORY_READY_DMA,

CART_EMULATION_SELECT => "0000000",

CART_EMULATION_ACTIVATE => '0',

PAL => PAL,