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Diffstat (limited to 'src/mame/includes/pc8801.h')
-rw-r--r-- | src/mame/includes/pc8801.h | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/src/mame/includes/pc8801.h b/src/mame/includes/pc8801.h new file mode 100644 index 00000000000..a39b90b4d90 --- /dev/null +++ b/src/mame/includes/pc8801.h @@ -0,0 +1,260 @@ +// license:BSD-3-Clause +// copyright-holders:Angelo Salese +/******************************************************************************************** + + PC-8801 (c) 1981 NEC + +********************************************************************************************/ + +#pragma once + +#ifndef MAME_INCLUDES_PC8801_H +#define MAME_INCLUDES_PC8801_H + +#include "cpu/z80/z80.h" +#include "bus/centronics/ctronics.h" +#include "imagedev/cassette.h" +#include "machine/i8214.h" +#include "machine/i8251.h" +#include "machine/i8255.h" +#include "machine/timer.h" +#include "machine/upd1990a.h" +#include "machine/upd765.h" +#include "sound/2203intf.h" +#include "sound/2608intf.h" +#include "sound/beep.h" +#include "emupal.h" +#include "screen.h" +#include "softlist.h" +#include "speaker.h" + +#define USE_PROPER_I8214 0 + +#define I8214_TAG "i8214" +#define UPD1990A_TAG "upd1990a" +#define I8251_TAG "i8251" + +struct crtc_t +{ + uint8_t cmd,param_count,cursor_on,status,irq_mask; + uint8_t param[8][5]; + uint8_t inverse; +}; + +struct mouse_t +{ + uint8_t phase; + uint8_t x,y; + attotime time; +}; + +class pc8801_state : public driver_device +{ +public: + pc8801_state(const machine_config &mconfig, device_type type, const char *tag) + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_screen(*this, "screen"), + m_fdccpu(*this, "fdccpu"), + m_fdc(*this, "upd765"), + m_fdd(*this, "upd765:%u", 0U), + m_pic(*this, I8214_TAG), + m_rtc(*this, UPD1990A_TAG), + m_cassette(*this, "cassette"), + m_beeper(*this, "beeper"), + m_opna(*this, "opna"), + m_opn(*this, "opn"), + m_palette(*this, "palette") + { } + void pc8801mc(machine_config &config); + void pc8801fh(machine_config &config); + void pc8801(machine_config &config); + void pc8801ma(machine_config &config); +protected: + + virtual void video_start() override; + virtual void machine_start() override; + virtual void machine_reset() override; + +private: + required_device<cpu_device> m_maincpu; + required_device<screen_device> m_screen; + required_device<cpu_device> m_fdccpu; + required_device<upd765a_device> m_fdc; + required_device_array<floppy_connector, 2> m_fdd; + optional_device<i8214_device> m_pic; + required_device<upd1990a_device> m_rtc; + required_device<cassette_image_device> m_cassette; + required_device<beep_device> m_beeper; + required_device<ym2608_device> m_opna; + required_device<ym2203_device> m_opn; + required_device<palette_device> m_palette; + + std::unique_ptr<uint8_t[]> m_work_ram; + std::unique_ptr<uint8_t[]> m_hi_work_ram; + std::unique_ptr<uint8_t[]> m_ext_work_ram; + std::unique_ptr<uint8_t[]> m_gvram; + uint8_t *m_n80rom; + uint8_t *m_n88rom; + uint8_t *m_kanji_rom; + uint8_t *m_cg_rom; + + uint8_t m_i8255_0_pc; + uint8_t m_i8255_1_pc; + uint8_t m_fdc_irq_opcode; + uint8_t m_ext_rom_bank; + uint8_t m_gfx_ctrl; + uint8_t m_vram_sel; + uint8_t m_misc_ctrl; + uint8_t m_device_ctrl_data; + uint8_t m_window_offset_bank; + uint8_t m_layer_mask; + uint16_t m_dma_counter[4]; + uint16_t m_dma_address[4]; + uint8_t m_alu_reg[3]; + uint8_t m_dmac_mode; + uint8_t m_alu_ctrl1; + uint8_t m_alu_ctrl2; + uint8_t m_extram_mode; + uint8_t m_extram_bank; + uint8_t m_txt_width; + uint8_t m_txt_color; +#if USE_PROPER_I8214 + uint8_t m_timer_irq_mask; + uint8_t m_vblank_irq_mask; + uint8_t m_sound_irq_mask; + uint8_t m_int_state; +#else + uint8_t m_i8214_irq_level; + uint8_t m_vrtc_irq_mask; + uint8_t m_vrtc_irq_latch; + uint8_t m_timer_irq_mask; + uint8_t m_timer_irq_latch; + uint8_t m_sound_irq_mask; + uint8_t m_sound_irq_latch; + uint8_t m_sound_irq_pending; +#endif + uint8_t m_has_clock_speed; + uint8_t m_clock_setting; + uint8_t m_baudrate_val; + uint8_t m_has_dictionary; + uint8_t m_dic_ctrl; + uint8_t m_dic_bank; + uint8_t m_has_cdrom; + uint8_t m_cdrom_reg[0x10]; + crtc_t m_crtc; + mouse_t m_mouse; + struct { uint8_t r, g, b; } m_palram[8]; + uint8_t m_dmac_ff; + uint32_t m_knj_addr[2]; + uint32_t m_extram_size; + uint8_t m_has_opna; + + DECLARE_READ8_MEMBER(pc8801_alu_r); + DECLARE_WRITE8_MEMBER(pc8801_alu_w); + DECLARE_READ8_MEMBER(pc8801_wram_r); + DECLARE_WRITE8_MEMBER(pc8801_wram_w); + DECLARE_READ8_MEMBER(pc8801_ext_wram_r); + DECLARE_WRITE8_MEMBER(pc8801_ext_wram_w); + DECLARE_READ8_MEMBER(pc8801_nbasic_rom_r); + DECLARE_READ8_MEMBER(pc8801_n88basic_rom_r); + DECLARE_READ8_MEMBER(pc8801_gvram_r); + DECLARE_WRITE8_MEMBER(pc8801_gvram_w); + DECLARE_READ8_MEMBER(pc8801_high_wram_r); + DECLARE_WRITE8_MEMBER(pc8801_high_wram_w); + DECLARE_READ8_MEMBER(pc8801ma_dic_r); + DECLARE_READ8_MEMBER(pc8801_cdbios_rom_r); + DECLARE_READ8_MEMBER(pc8801_mem_r); + DECLARE_WRITE8_MEMBER(pc8801_mem_w); + DECLARE_READ8_MEMBER(pc8801_ctrl_r); + DECLARE_WRITE8_MEMBER(pc8801_ctrl_w); + DECLARE_READ8_MEMBER(pc8801_ext_rom_bank_r); + DECLARE_WRITE8_MEMBER(pc8801_ext_rom_bank_w); + DECLARE_WRITE8_MEMBER(pc8801_gfx_ctrl_w); + DECLARE_READ8_MEMBER(pc8801_vram_select_r); + DECLARE_WRITE8_MEMBER(pc8801_vram_select_w); + DECLARE_WRITE8_MEMBER(pc8801_irq_level_w); + DECLARE_WRITE8_MEMBER(pc8801_irq_mask_w); + DECLARE_READ8_MEMBER(pc8801_window_bank_r); + DECLARE_WRITE8_MEMBER(pc8801_window_bank_w); + DECLARE_WRITE8_MEMBER(pc8801_window_bank_inc_w); + DECLARE_READ8_MEMBER(pc8801_misc_ctrl_r); + DECLARE_WRITE8_MEMBER(pc8801_misc_ctrl_w); + DECLARE_WRITE8_MEMBER(pc8801_bgpal_w); + DECLARE_WRITE8_MEMBER(pc8801_palram_w); + DECLARE_WRITE8_MEMBER(pc8801_layer_masking_w); + DECLARE_READ8_MEMBER(pc8801_crtc_param_r); + DECLARE_WRITE8_MEMBER(pc88_crtc_param_w); + DECLARE_READ8_MEMBER(pc8801_crtc_status_r); + DECLARE_WRITE8_MEMBER(pc88_crtc_cmd_w); + DECLARE_READ8_MEMBER(pc8801_dmac_r); + DECLARE_WRITE8_MEMBER(pc8801_dmac_w); + DECLARE_READ8_MEMBER(pc8801_dmac_status_r); + DECLARE_WRITE8_MEMBER(pc8801_dmac_mode_w); + DECLARE_READ8_MEMBER(pc8801_extram_mode_r); + DECLARE_WRITE8_MEMBER(pc8801_extram_mode_w); + DECLARE_READ8_MEMBER(pc8801_extram_bank_r); + DECLARE_WRITE8_MEMBER(pc8801_extram_bank_w); + DECLARE_WRITE8_MEMBER(pc8801_alu_ctrl1_w); + DECLARE_WRITE8_MEMBER(pc8801_alu_ctrl2_w); + DECLARE_WRITE8_MEMBER(pc8801_pcg8100_w); + DECLARE_WRITE8_MEMBER(pc8801_txt_cmt_ctrl_w); + DECLARE_READ8_MEMBER(pc8801_kanji_r); + DECLARE_WRITE8_MEMBER(pc8801_kanji_w); + DECLARE_READ8_MEMBER(pc8801_kanji_lv2_r); + DECLARE_WRITE8_MEMBER(pc8801_kanji_lv2_w); + DECLARE_WRITE8_MEMBER(pc8801_dic_bank_w); + DECLARE_WRITE8_MEMBER(pc8801_dic_ctrl_w); + DECLARE_READ8_MEMBER(pc8801_cdrom_r); + DECLARE_WRITE8_MEMBER(pc8801_cdrom_w); + DECLARE_READ8_MEMBER(pc8801_cpuclock_r); + DECLARE_READ8_MEMBER(pc8801_baudrate_r); + DECLARE_WRITE8_MEMBER(pc8801_baudrate_w); + DECLARE_WRITE8_MEMBER(pc8801_rtc_w); + DECLARE_WRITE8_MEMBER(upd765_mc_w); + DECLARE_READ8_MEMBER(upd765_tc_r); + DECLARE_WRITE8_MEMBER(fdc_irq_vector_w); + DECLARE_WRITE8_MEMBER(fdc_drive_mode_w); + DECLARE_WRITE_LINE_MEMBER(txdata_callback); + DECLARE_WRITE_LINE_MEMBER(rxrdy_w); + DECLARE_READ8_MEMBER(pc8801_sound_board_r); + DECLARE_WRITE8_MEMBER(pc8801_sound_board_w); + DECLARE_READ8_MEMBER(pc8801_opna_r); + DECLARE_WRITE8_MEMBER(pc8801_opna_w); + DECLARE_READ8_MEMBER(pc8801_unk_r); + DECLARE_WRITE8_MEMBER(pc8801_unk_w); + + uint8_t pc8801_pixel_clock(void); + void pc8801_dynamic_res_change(void); + void draw_bitmap_3bpp(bitmap_ind16 &bitmap,const rectangle &cliprect); + void draw_bitmap_1bpp(bitmap_ind16 &bitmap,const rectangle &cliprect); + uint8_t calc_cursor_pos(int x,int y,int yi); + uint8_t extract_text_attribute(uint32_t address,int x, uint8_t width, uint8_t &non_special); + void pc8801_draw_char(bitmap_ind16 &bitmap,int x,int y,int pal,uint8_t gfx_mode,uint8_t reverse,uint8_t secret, + uint8_t blink,uint8_t upper,uint8_t lower,int y_size,int width, uint8_t non_special); + void draw_text(bitmap_ind16 &bitmap,int y_size, uint8_t width); + + uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); + DECLARE_PALETTE_INIT(pc8801); + void pc8801_io(address_map &map); + void pc8801_mem(address_map &map); + void pc8801fdc_io(address_map &map); + void pc8801fdc_mem(address_map &map); + DECLARE_MACHINE_RESET(pc8801_clock_speed); + DECLARE_MACHINE_RESET(pc8801_dic); + DECLARE_MACHINE_RESET(pc8801_cdrom); + INTERRUPT_GEN_MEMBER(pc8801_vrtc_irq); + TIMER_CALLBACK_MEMBER(pc8801fd_upd765_tc_to_zero); + TIMER_DEVICE_CALLBACK_MEMBER(pc8801_rtc_irq); + DECLARE_READ8_MEMBER(cpu_8255_c_r); + DECLARE_WRITE8_MEMBER(cpu_8255_c_w); + DECLARE_READ8_MEMBER(fdc_8255_c_r); + DECLARE_WRITE8_MEMBER(fdc_8255_c_w); + DECLARE_READ8_MEMBER(opn_porta_r); + DECLARE_READ8_MEMBER(opn_portb_r); + IRQ_CALLBACK_MEMBER(pc8801_irq_callback); + DECLARE_WRITE_LINE_MEMBER(pc8801_sound_irq); +}; + + +#endif |