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// license:BSD-3-Clause
// copyright-holders:David Haywood
#ifndef INC_BFMADDER2
#define INC_BFMADDER2
class bfm_adder2_device : public device_t
{
public:
// construction/destruction
bfm_adder2_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
static void static_set_palette_tag(device_t &device, const char *tag);
TILE_GET_INFO_MEMBER( get_tile0_info );
TILE_GET_INFO_MEMBER( get_tile1_info );
UINT32 update_screen(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER( adder2_vbl );
DECLARE_READ8_MEMBER( screen_ram_r );
DECLARE_WRITE8_MEMBER( screen_ram_w );
DECLARE_READ8_MEMBER( normal_ram_r );
DECLARE_WRITE8_MEMBER( normal_ram_w );
DECLARE_WRITE8_MEMBER( adder2_rom_page_w );
DECLARE_WRITE8_MEMBER( adder2_c001_w );
DECLARE_WRITE8_MEMBER( adder2_screen_page_w );
DECLARE_READ8_MEMBER( adder2_vbl_ctrl_r );
DECLARE_WRITE8_MEMBER( adder2_vbl_ctrl_w );
DECLARE_READ8_MEMBER( adder2_uart_ctrl_r );
DECLARE_WRITE8_MEMBER( adder2_uart_ctrl_w );
DECLARE_READ8_MEMBER( adder2_uart_rx_r );
DECLARE_WRITE8_MEMBER( adder2_uart_tx_w );
DECLARE_READ8_MEMBER( adder2_irq_r );
DECLARE_WRITE8_MEMBER(vid_uart_tx_w);
DECLARE_WRITE8_MEMBER(vid_uart_ctrl_w);
DECLARE_READ8_MEMBER(vid_uart_rx_r);
DECLARE_READ8_MEMBER(vid_uart_ctrl_r);
void adder2_decode_char_roms();
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual machine_config_constructor device_mconfig_additions() const override;
private:
int m_adder2_screen_page_reg; // access/display select
int m_adder2_c101;
int m_adder2_rx;
int m_adder_vbl_triggered; // flag <>0, VBL IRQ triggered
int m_adder2_acia_triggered; // flag <>0, ACIA receive IRQ
UINT8 m_adder_ram[0xE80]; // normal RAM
UINT8 m_adder_screen_ram[2][0x1180]; // paged display RAM
tilemap_t *m_tilemap0; // tilemap screen0
tilemap_t *m_tilemap1; // timemap screen1
UINT8 m_adder2_data_from_sc2;
UINT8 m_adder2_data_to_sc2;
UINT8 m_adder2_data;
UINT8 m_adder2_sc2data;
optional_device<cpu_device> m_cpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
};
// device type definition
extern const device_type BFM_ADDER2;
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_BFM_ADDER2_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, BFM_ADDER2, 0)
#define MCFG_BFM_ADDER2_PALETTE(_palette_tag) \
bfm_adder2_device::static_set_palette_tag(*device, "^" _palette_tag);
#endif
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