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-rw-r--r--src/mame/includes/pc8801.h260
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diff --git a/src/mame/includes/pc8801.h b/src/mame/includes/pc8801.h
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+++ b/src/mame/includes/pc8801.h
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+// 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