mirror of
https://github.com/holub/mame
synced 2025-10-05 00:38:58 +03:00
5511ce41e2
- 80 column card with SDX in CP/M mode. - ROM/RAM banking fixed for CP/M, and MTX500 now correctly detected. - Support for Type 03 and Type 07 .mfloppy images. - Added alternate MTX2 romset (German). - Keyboard ROM now selected in Configuration. - Quickload .RUN files.
106 lines
2.9 KiB
C++
106 lines
2.9 KiB
C++
// license:BSD-3-Clause
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// copyright-holders:Nigel Barnes
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/**********************************************************************
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MTX SDX Controller
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**********************************************************************/
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#ifndef MAME_BUS_MTX_EXP_SDX_H
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#define MAME_BUS_MTX_EXP_SDX_H
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#include "exp.h"
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#include "imagedev/floppy.h"
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#include "machine/wd_fdc.h"
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#include "video/mc6845.h"
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#include "formats/mtx_dsk.h"
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#include "emupal.h"
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#include "screen.h"
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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class mtx_sdx_device :
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public device_t,
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public device_mtx_exp_interface
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{
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public:
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DECLARE_FLOPPY_FORMATS(floppy_formats);
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// optional information overrides
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virtual ioport_constructor device_input_ports() const override;
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DECLARE_READ8_MEMBER(sdx_status_r);
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DECLARE_WRITE8_MEMBER(sdx_control_w);
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DECLARE_WRITE_LINE_MEMBER(motor_w);
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protected:
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// construction/destruction
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mtx_sdx_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
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required_memory_region m_sdx_rom;
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required_device<mb8877_device> m_fdc;
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required_device<floppy_connector> m_floppy0;
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required_device<floppy_connector> m_floppy1;
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required_ioport_array<2> m_dsw;
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floppy_image_device *m_floppy;
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uint8_t m_control;
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};
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class mtx_sdxbas_device : public mtx_sdx_device
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{
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public:
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// construction/destruction
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mtx_sdxbas_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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protected:
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// optional information overrides
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virtual void device_add_mconfig(machine_config &config) override;
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virtual const tiny_rom_entry *device_rom_region() const override;
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// device-level overrides
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virtual void device_start() override;
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virtual void device_reset() override;
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};
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class mtx_sdxcpm_device : public mtx_sdx_device
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{
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public:
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// construction/destruction
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mtx_sdxcpm_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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protected:
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// optional information overrides
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virtual void device_add_mconfig(machine_config &config) override;
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virtual const tiny_rom_entry *device_rom_region() const override;
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// device-level overrides
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virtual void device_start() override;
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virtual void device_reset() override;
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private:
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DECLARE_READ8_MEMBER(mtx_80col_r);
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DECLARE_WRITE8_MEMBER(mtx_80col_w);
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MC6845_UPDATE_ROW(crtc_update_row);
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required_device<screen_device> m_screen;
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required_device<palette_device> m_palette;
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required_device<mc6845_device> m_crtc;
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required_memory_region m_char_rom;
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uint8_t m_80col_char_ram[0x800];
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uint8_t m_80col_attr_ram[0x800];
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uint8_t m_80col_ascii, m_80col_attr;
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uint16_t m_80col_addr;
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};
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// device type definition
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DECLARE_DEVICE_TYPE(MTX_SDXBAS, mtx_sdxbas_device)
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DECLARE_DEVICE_TYPE(MTX_SDXCPM, mtx_sdxcpm_device)
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#endif // MAME_BUS_MTX_EXP_SDX_H
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