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// license:BSD-3-Clause
// copyright-holders: Joakim Larsson Edström
#ifndef MAME_BUS_ISA_EIS_HGB107X_H
#define MAME_BUS_ISA_EIS_HGB107X_H
#pragma once
#include "isa.h"
#include "video/mc6845.h"
#include "emupal.h"
#include "screen.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class isa8_epc_mda_device : public device_t, public device_isa8_card_interface
{
public:
// construction/destruction
isa8_epc_mda_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
uint8_t io_read(offs_t offset);
void io_write(offs_t offset, uint8_t data);
uint8_t status_r();
void mode_control_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER(hsync_changed);
DECLARE_WRITE_LINE_MEMBER(vsync_changed);
/* Monitor */
DECLARE_INPUT_CHANGED_MEMBER(monitor_changed);
protected:
isa8_epc_mda_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual const tiny_rom_entry *device_rom_region() const override;
virtual ioport_constructor device_input_ports() const override;
private:
inline int get_xres();
inline int get_yres();
enum {
VM_COLS80 = 0x01,
VM_GRAPH = 0x02,
VM_HOR640 = 0x04,
VM_MONO = 0x08,
VM_VER400 = 0x10
};
enum {
MR1_COLS80 = 0x01,
MR1_GRAPH = 0x02,
MR1_VIDEO = 0x08,
MR1_HOR640 = 0x10,
MR1_BLINK = 0x20
};
enum {
MR2_COLEMU = 0x04,
MR2_CHRSET = 0x40,
MR2_VER400 = 0x80
};
enum {
ATTR_BLINK = 0x80,
ATTR_BACKG = 0x70,
ATTR_INTEN = 0x08,
ATTR_FOREG = 0x07,
ATTR_ULINE = 0x01,
};
required_device<mc6845_device> m_crtc;
MC6845_UPDATE_ROW( crtc_update_row );
std::unique_ptr<uint8_t[]> m_soft_chr_gen;
required_ioport m_s1;
uint8_t m_color_mode;
uint8_t m_mode_control2;
required_device<screen_device> m_screen;
required_ioport m_io_monitor;
required_region_ptr<uint8_t> m_chargen;
uint8_t m_vmode;
rgb_t (*m_pal)[4];
rgb_t m_3111_pal[4];
rgb_t m_371x_pal[4];
bool m_installed;
hd6845s_device *m_hd6845s;
public:
int m_framecnt;
uint8_t m_mode_control;
int m_update_row_type;
uint8_t *m_chr_gen;
uint8_t m_vsync;
uint8_t m_hsync;
std::vector<uint8_t> m_videoram;
uint8_t m_pixel;
};
// device type definition
DECLARE_DEVICE_TYPE(ISA8_EPC_MDA, isa8_epc_mda_device)
#endif // MAME_BUS_ISA_EIS_HGB107X_H
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