// license:BSD-3-Clause // copyright-holders:Wilbert Pol,Gabriele D'Antona /* Research Machines RM 380Z */ #ifndef MAME_INCLUDES_RM380Z_H #define MAME_INCLUDES_RM380Z_H #pragma once #include "cpu/z80/z80.h" #include "imagedev/cassette.h" #include "machine/ram.h" #include "imagedev/floppy.h" #include "machine/wd_fdc.h" #include "machine/keyboard.h" // // // #define RM380Z_MAINCPU_TAG "maincpu" #define RM380Z_PORTS_ENABLED_HIGH ( m_port0 & 0x80 ) #define RM380Z_PORTS_ENABLED_LOW ( ( m_port0 & 0x80 ) == 0x00 ) #define RM380Z_VIDEOMODE_40COL 0x01 #define RM380Z_VIDEOMODE_80COL 0x02 #define RM380Z_CHDIMX 5 #define RM380Z_CHDIMY 9 #define RM380Z_NCX 8 #define RM380Z_NCY 16 #define RM380Z_SCREENCOLS 80 #define RM380Z_SCREENROWS 24 #define RM380Z_VIDEORAM_SIZE 0x600 #define RM380Z_SCREENSIZE 0x1200 // // // class rm380z_state : public driver_device { public: rm380z_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, RM380Z_MAINCPU_TAG), m_cassette(*this, "cassette"), m_messram(*this, RAM_TAG), m_fdc(*this, "wd1771"), m_floppy0(*this, "wd1771:0"), m_floppy1(*this, "wd1771:1") { } void rm480z(machine_config &config); void rm380z(machine_config &config); void init_rm380z(); void init_rm380z34d(); void init_rm380z34e(); void init_rm480z(); protected: virtual void machine_reset() override; virtual void machine_start() override; private: void put_point(int charnum,int x,int y,int col); void init_graphic_chars(); void putChar(int charnum,int attribs,int x,int y,bitmap_ind16 &bitmap,unsigned char* chsb,int vmode); void decode_videoram_char(int pos,uint8_t& chr,uint8_t& attrib); void scroll_videoram(); void config_videomode(); void check_scroll_register(); int writenum = 0; uint8_t m_port0 = 0; uint8_t m_port0_mask = 0; uint8_t m_port0_kbd = 0; uint8_t m_port1 = 0; uint8_t m_fbfd = 0; uint8_t m_fbfe = 0; uint8_t m_graphic_chars[0x80][(RM380Z_CHDIMX+1)*(RM380Z_CHDIMY+1)]; uint8_t m_mainVideoram[RM380Z_VIDEORAM_SIZE]; uint8_t m_vramchars[RM380Z_SCREENSIZE]; uint8_t m_vramattribs[RM380Z_SCREENSIZE]; uint8_t m_vram[RM380Z_SCREENSIZE]; int m_rasterlineCtr = 0; emu_timer* m_vblankTimer = nullptr; int m_old_fbfd = 0; int m_old_old_fbfd = 0; int m_videomode = 0; int m_old_videomode = 0; emu_timer *m_static_vblank_timer = nullptr; required_device m_maincpu; optional_device m_cassette; optional_device m_messram; optional_device m_fdc; optional_device m_floppy0; optional_device m_floppy1; void port_write(offs_t offset, uint8_t data); uint8_t port_read(offs_t offset); void port_write_1b00(offs_t offset, uint8_t data); uint8_t port_read_1b00(offs_t offset); uint8_t videoram_read(offs_t offset); void videoram_write(offs_t offset, uint8_t data); uint8_t rm380z_portlow_r(); void rm380z_portlow_w(offs_t offset, uint8_t data); uint8_t rm380z_porthi_r(); void rm380z_porthi_w(offs_t offset, uint8_t data); void disk_0_control(uint8_t data); void keyboard_put(u8 data); DECLARE_MACHINE_RESET(rm480z); void config_memory_map(); void update_screen(bitmap_ind16 &bitmap); uint32_t screen_update_rm380z(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); uint32_t screen_update_rm480z(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); TIMER_CALLBACK_MEMBER(static_vblank_timer); void rm380z_io(address_map &map); void rm380z_mem(address_map &map); void rm480z_io(address_map &map); void rm480z_mem(address_map &map); }; #endif // MAME_INCLUDES_RM380Z_H