diff options
Diffstat (limited to 'src/devices/bus/isa/eis_hgb107x.h')
-rw-r--r-- | src/devices/bus/isa/eis_hgb107x.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/devices/bus/isa/eis_hgb107x.h b/src/devices/bus/isa/eis_hgb107x.h new file mode 100644 index 00000000000..711f385278f --- /dev/null +++ b/src/devices/bus/isa/eis_hgb107x.h @@ -0,0 +1,112 @@ +// 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); + + DECLARE_READ8_MEMBER(io_read); + DECLARE_WRITE8_MEMBER(io_write); + DECLARE_READ8_MEMBER(status_r); + DECLARE_WRITE8_MEMBER(mode_control_w); + 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 |