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-rw-r--r--src/mame/drivers/pc8801.c2971
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diff --git a/src/mame/drivers/pc8801.c b/src/mame/drivers/pc8801.c
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index 00000000000..9d2a6e58c99
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+++ b/src/mame/drivers/pc8801.c
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+// license:BSD-3-Clause
+// copyright-holders:Angelo Salese
+/*************************************************************************************************************************************
+
+ PC-8801 (c) 1981 NEC
+
+ driver by Angelo Salese, original MESS PC-88SR driver by ???
+
+ TODO:
+ - implement proper i8214 routing, also add irq latch mechanism;
+ - Fix up Floppy Terminal Count 0 / 1 writes properly, Castle Excellent (and presumably other games) is very picky about it.
+
+ - add differences between various models;
+ - implement proper upd3301 / i8257 support;
+ - fix "jumps" in mouse support pointer (noticeable in Balance of Power);
+ - Add limits for extend work RAM;
+ - What happens to the palette contents when the analog/digital palette mode changes?
+ - waitstates;
+ - dipswitches needs to be controlled;
+ - below notes states that plain PC-8801 doesn't have a disk CPU, but the BIOS clearly checks the floppy ports. Wrong info?
+ - clean-ups, banking and video in particular (i.e. hook-ups with memory region should go away and device models should be used instead)
+
+ per-game specific TODO:
+ - 100yen Soft 8 Revival Special: tight loop with vblank bit, but vblank irq takes too much time to execute its code;
+ - 177: gameplay is too fast (parent pc8801 only);
+ - 1942: missing sound, enables a masked irq;
+ - Acro Jet: hangs waiting for an irq (floppy issue);
+ - Arcus: doesn't surpass Wolf Team logo;
+ - Advanced Fantasian: garbage during gameplay (floppy?)
+ - American Success: reads the light pen?
+ - Attacker: resets after a bunch of animation frames;
+ - Balance of Power: uses the SIO port for something ...
+ - Belloncho Shintai Kensa: hangs
+ - Bishoujo Baseball Gakuen: checks ym2608 after intro screen;
+ - The Black Onyx: writes a katakana msg: "sono kata ha koko ni orimasen" then doesn't show up anything. (Needs user disk?)
+ - Boukenshatachi: dies after the intro.
+ - Campaign Ban Daisenryaku 2: Hangs at title screen?
+ - Carigraph: inputs doesn't work?
+ - Can Can Bunny: bitmap artifacts on intro, caused by a fancy usage of the attribute vram;
+ - Can Can Bunny: no sound (regression);
+ - Can Can Bunny Superior: black screen during the intro
+ - Chou Bishoujo Densetsu CROQUIS: accesses ports 0xa0-0xa3 and 0xc2-0xc3
+ - Combat: mono gfx mode enabled, but I don't see any noticeable quirk?
+ - Cranston Manor (actually N88-Basic demo): no sound
+ - Datenshi Kyouko: gfx garbage on the right edge?
+ - Final Crisis: sound stuck with OPNA?
+ - Fire Hawk: tries to r/w the opn ports (probably crashed due to floppy?)
+ - Game Music Library: "Disk I/O error on 3040", starting from Sorcerian item
+ - Gaudi - Barcelona no Kaze: fails PCM loading
+ - GeGeGe no Kitarou: title screen text/bitmap contrast is pretty ugly (BTANB?);
+ - Grobda: palette is ugly (parent pc8801 only);
+ - Makaimura: after losing a life the game doesn't work properly anymore, copy protection?
+ - Music Collection Vol. 2 - Final Fantasy Tokushuu: sound irq dies pretty soon
+ - N-BASIC: cursor doesn't show up;
+ - The Return of Ishtar: z80 exception after entering the name.
+ - Star Cruiser: bad kanji data?
+ - Star Cruiser: reads at i/o 0x8e?
+ - Wanderers from Ys: user data disk looks screwed? It loads with everything as maximum as per now ...
+ - WerDragon: no BGMs
+ - Xevious: game is too fast (parent pc8801 only)
+
+ list of games/apps that crashes due of floppy issues (* -> denotes games fixed with current floppy code, # -> regressed with current floppy code):
+ * Agni no Ishi
+ * Amazoness no Hihou (takes invalid data from floppy)
+ - American Truck / American Truck SR (polls read deleted data command)
+ * Ankokujou
+ * Ao No Sekizou (fdc CPU irq doesn't fire anymore)
+ * Arcus
+ * Attacker
+ - Autumn Park (BASIC error)
+ * Battle Gorilla
+ * Belloncho Shintai Kensa
+ - Bishoujo Noriko Part I (writes to FDC CPU ROM then expects some strict values, taken from floppy image)
+ * Blassty (attempts to read at 0x801b)
+ - Bokosuka Wars (polls read ID command)
+ * Boukenshatachi
+ * Can Can Bunny Superior
+ - Carmine
+ - Castle Excellent (sets sector 0xf4? Jumps to 0xa100 and it shouldn't) (REGRESSED with current floppy code)
+ - Card Game Pro 8.8k Plus Unit 1 (prints Disk i/o error 135 in vram, not visible for whatever reason)
+ - Championship Lode Runner (fdc CPU irq doesn't fire anymore)
+ - Change Vol. 1 (stops at PCM loading)
+ - Chikyuu Boueigun (disk i/o error during "ESDF SYSTEM LOADING") (REGRESSED with current floppy code)
+ * Chikyuu Senshi Rayieza (fdc CPU crashes)
+ - Choplifter
+ - Columns (code at 0x28c8, copy protection)
+ - Corridor ("THIS SYSTEM NOT KOEI SYSTEM" printed on screen) (REGRESSED with current floppy code)
+ # Craze (returns to basic after logo pops up, tries to self-modify program data via the window offset?)
+ * Crimson
+ * Crimson 3
+ * Cuby Panic (copy protection routine at 0x911A)
+ - Daidasso (prints "BOOT dekimasen" on screen -> can't boot)
+ - Daikoukai Jidai (YSHELL.COM error)
+ - Databox (app)
+ - Day Dream ("Bad drive number at 570")
+ - Demons Ring
+ * Dennou Tsuushin
+ - Door Door MK-2 (sets up TC in the middle of execution phase read then wants status bit 6 to be low PC=0x7050 of fdc cpu)
+ * Dragon Slayer - The Legend of Heroes 2
+ - Dungeon Buster
+ * El Dorado Denki
+ * Elevator Action
+ - Emerald Densetsu (dies after few seconds of intro)
+ - Emerald Dragon (it seems to miss a timer)
+ - Emmy
+ - Explosion (fails to load ADPCM data?)
+ * F15 Strike Eagle
+ - F2 Grand Prix ("Boot dekimasen")
+ # Fangs - The Saga of Wolf Blood (Crashes at the first random battle)
+ - Fantasian
+ * Final Zone
+ # Final Zone (demo) (REGRESSION: asserts at MESS boot)
+ - Fruit Panic
+ - FSD Sample Ongaku Shuu Vol. 1-7
+ - Gaia no Kiba (Disk I/O error at 150)
+ - Gaiflame
+ - Gambler Jiko Chuushin ha
+ - Gambler Jiko Chuushin ha 2
+ - Gambler Jiko Chuushin ha 3
+ - Gambler Jiko Chuushin ha 3 (demo)
+ - Gambler Jiko Chuushin ha Mahjong Puzzle Collection
+ - Gambler Jiko Chuushin ha Mahjong Puzzle Collection (demo)
+ * Game Music Library
+ * Gaudi - Barcelona no Kaze (bad Wolfteam logo then black screen)
+ - GC-clusterz Music Disk Vol. 1-7
+ * Genji
+ * Gokuraku Tengoku
+ - Grodius 3 (might not be floppy)
+ - Gun Ship (at gameplay)
+ (Hacker)
+
+ - Harakiri
+ - Kaseijin (app) (code snippet is empty at some point)
+ - Lamia: fails to create an user disk (after character creation) -> disk write error
+ * MakaiMura (attempts to r/w the sio ports, but it's clearly crashed)
+ * Mugen Senshi Valis (at Telenet logo, it also appears to have a nasty copy protection when taking a specific item (untested))
+ - Mr. Pro Yakyuu
+ - Panorama Toh
+ - PC-8034 (app)
+ - PC-8037SR (app)
+ - P1 (app)
+ - Pattern Editor 88 (app)
+ - Super Shunbo II (app) (Load error)
+ - Super TII (app)
+ * The Return of Ishtar
+ - Tobira wo Akete (random crashes in parent pc8801 only)
+
+ list of games that doesn't like i8214_irq_level == 5 in sound irq
+ - 100yen Disk 2 / Jumper 2: Sound BGM dies pretty soon;
+ - Alpha (demo): stuck note in title screen, doesn't seem to go further;
+ - Ayumi: black screen after new game / load game screen;
+ - Brunette: No sound, eventually hangs at gameplay;
+ - Digital Devil Story Megami Tensei: hangs at gameplay (sound irq issue)
+ - Double Face: hangs at logo (sound irq issue)
+
+ games that needs to NOT have write-protect floppies (BTANBs):
+ - Balance of Power
+ - Blue Moon Story: moans with a kanji msg;
+ - Mahjong Clinic Zoukangou
+ - Tobira wo Akete (hangs at title screen)
+
+ games that needs to HAVE write-protect floppies (BTANBs):
+ - 100 Yen Disk 7: (doesn't boot in V2 mode)
+
+ other BTANBs
+ - Attack Hirokochan: returns to BASIC after an initial animation, needs BASIC V1:
+ - Jark (needs PC-8801MC)
+ - Kuronekosou Souzoku Satsujin Jiken: "Illegal function call in 105", needs BASIC V1;
+
+ Notes:
+ - BIOS disk ROM defines what kind of floppies you could load:
+ * with 0x0800 ROM size you can load 2d floppies only;
+ * with 0x2000 ROM size you can load 2d and 2hd floppies;
+ - Later models have palette bugs with some games (Alphos, Tokyo Nampa Street).
+ This is because you have to set up the V1 / V2 DIP-SW to V1 for those games (it's the BIOS that sets up to analog and never changes back otherwise).
+ - Password for "AY-1: Fortress Solomon" is "123" then press enter, any other key pressed makes it to fail the check (you must soft reset the machine)
+ - Pressing Home in Dennou Gakuen during gameplay makes it to show a fake DASM screen. That's supposed to be a panic button and it's also in the
+ sequels (with different screens);
+
+ Bankswitch Notes:
+ - 0x31 - graphic banking
+ - 0x32 - misc banking
+ - 0x5c / 0x5f - VRAM banking
+ - 0x70 - window offset (banking)
+ - 0x71 - extra ROM banking
+ - 0x78 - window offset (banking) increment (+ 0x100)
+ - 0xe2 / 0xe3 - extra RAM banking
+ - 0xf0 / 0xf1 = kanji banking
+
+======================================================================================================================================
+
+ PC-88xx Models (and similar machines like PC-80xx and PC-98DO)
+
+ Model | release | CPU | BIOS components | |
+ | | clock | N-BASIC | N88-BASIC | N88-BASIC Enh | Sound | CD | Dict | Disk | Notes
+ ==================================================================================================================================
+ PC-8001 | 1979-03 | z80A @ 4 | X | - | - | - | - | - | - |
+ PC-8001A | ?? | z80A @ 4 | X | - | - | - | - | - | - | (U)
+ PC-8801 | 1981-11 | z80A @ 4 | X | X | - | - | - | - | - | (KO)
+ PC-8801A | ?? | z80A @ 4 | X | X | - | - | - | - | - | (U)
+ PC-8001 mkII | 1983-03 | z80A @ 4 | X | - | - | - | - | - | - | (GE),(KO)
+ PC-8001 mkIIA | ?? | z80A @ 4 | X | - | - | - | - | - | - | (U),(GE)
+ PC-8801 mkII | 1983-11 | z80A @ 4 | X | X | - | - | - | - | (FDM) | (K1)
+ PC-8001 mkII SR | 1985-01 | z80A @ 4 | X | - | - | - | - | - | - | (GE),(NE),(KO)
+ PC-8801 mkII SR | 1985-03 | z80A @ 4 | X | X | X | X | - | - | (FDM) | (K1)
+ PC-8801 mkII TR | 1985-10 | z80A @ 4 | X | X | X | X | - | - | (FD2) | (K1)
+ PC-8801 mkII FR | 1985-11 | z80A @ 4 | X | X | X | X | - | - | (FDM) | (K1)
+ PC-8801 mkII MR | 1985-11 | z80A @ 4 | X | X | X | X | - | - | (FDH) | (K2)
+ PC-8801 FH | 1986-11 | z80H @ 4/8 | X | X | X | X | - | - | (FDM) | (K2)
+ PC-8801 MH | 1986-11 | z80H @ 4/8 | X | X | X | X | - | - | (FDH) | (K2)
+ PC-88 VA | 1987-03 | z80H+v30 @ 8 | - | X | X | X | - | X | (FDH) | (K2)
+ PC-8801 FA | 1987-11 | z80H @ 4/8 | X | X | X | X | - | - | (FD2) | (K2)
+ PC-8801 MA | 1987-11 | z80H @ 4/8 | X | X | X | X | - | X | (FDH) | (K2)
+ PC-88 VA2 | 1988-03 | z80H+v30 @ 8 | - | X | X | X | - | X | (FDH) | (K2)
+ PC-88 VA3 | 1988-03 | z80H+v30 @ 8 | - | X | X | X | - | X | (FD3) | (K2)
+ PC-8801 FE | 1988-10 | z80H @ 4/8 | X | X | X | X | - | - | (FD2) | (K2)
+ PC-8801 MA2 | 1988-10 | z80H @ 4/8 | X | X | X | X | - | X | (FDH) | (K2)
+ PC-98 DO | 1989-06 | z80H @ 8 | X | X | X | X | - | - | (FDH) | (KE)
+ PC-8801 FE2 | 1989-10 | z80H @ 4/8 | X | X | X | X | - | - | (FD2) | (K2)
+ PC-8801 MC | 1989-11 | z80H @ 4/8 | X | X | X | X | X | X | (FDH) | (K2)
+ PC-98 DO+ | 1990-10 | z80H @ 8 | X | X | X | X | - | - | (FDH) | (KE)
+
+ info for PC-98 DO & DO+ refers to their 88-mode
+
+ Disk Drive options:
+ (FDM): there exist three model of this computer: Model 10 (base model, only optional floppy drive), Model 20
+ (1 floppy drive for 5.25" 2D disks) and Model 30 (2 floppy drive for 5.25" 2D disks)
+ (FD2): 2 floppy drive for 5.25" 2D disks
+ (FDH): 2 floppy drive for both 5.25" 2D disks and 5.25" HD disks
+ (FD3): 2 floppy drive for both 5.25" 2D disks and 5.25" HD disks + 1 floppy drive for 3.5" 2TD disks
+
+ Notes:
+ (U): US version
+ (GE): Graphic Expansion for PC-8001
+ (NE): N-BASIC Expansion for PC-8001 (similar to N88-BASIC Expansion for PC-88xx)
+ (KO): Optional Kanji ROM
+ (K1): Kanji 1st Level ROM
+ (K2): Kanji 2nd Level ROM
+ (KE): Kanji Enhanced ROM
+
+ Memory mounting locations:
+ * N-BASIC 0x0000 - 0x5fff, N-BASIC Expansion & Graph Enhhancement 0x6000 - 0x7fff
+ * N-BASIC 0x0000 - 0x5fff, N-BASIC Expansion & Graph Enhhancement 0x6000 - 0x7fff
+ * N88-BASIC 0x0000 - 0x7fff, N88-BASIC Expansion & Graph Enhhancement 0x6000 - 0x7fff
+ * Sound BIOS: 0x6000 - 0x7fff
+ * CD-ROM BIOS: 0x0000 - 0x7fff
+ * Dictionary: 0xc000 - 0xffff (32 Banks)
+
+ info from http://www.geocities.jp/retro_zzz/machines/nec/cmn_roms.html
+ also, refer to http://www.geocities.jp/retro_zzz/machines/nec/cmn_vers.html for
+ info about BASIC revisions in the various models (BASIC V2 is the BASIC
+ Expansion, if I unerstood correctly)
+
+*************************************************************************************************************************************/
+
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "imagedev/cassette.h"
+#include "bus/centronics/ctronics.h"
+#include "machine/i8255.h"
+#include "machine/upd1990a.h"
+#include "machine/upd765.h"
+#include "machine/i8214.h"
+#include "machine/i8251.h"
+#include "sound/2203intf.h"
+#include "sound/2608intf.h"
+#include "sound/beep.h"
+//#include "includes/pc8801.h"
+
+//#define USE_PROPER_I8214
+
+
+#define IRQ_DEBUG (0)
+#define IRQ_LOG(x) do { if (IRQ_DEBUG) printf x; } while (0)
+
+#define MASTER_CLOCK XTAL_4MHz
+/* TODO: clocks of this */
+#define PIXEL_CLOCK_15KHz XTAL_14_31818MHz
+#define PIXEL_CLOCK_24KHz XTAL_21_4772MHz
+
+#define I8214_TAG "i8214"
+#define UPD1990A_TAG "upd1990a"
+#define I8251_TAG "i8251"
+
+struct crtc_t
+{
+ UINT8 cmd,param_count,cursor_on,status,irq_mask;
+ UINT8 param[8][5];
+ UINT8 inverse;
+};
+
+struct mouse_t
+{
+ UINT8 phase;
+ UINT8 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_fdccpu(*this, "fdccpu"),
+ 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")
+ { }
+
+ required_device<cpu_device> m_maincpu;
+ required_device<cpu_device> m_fdccpu;
+ 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;
+
+ UINT8 *m_work_ram;
+ UINT8 *m_hi_work_ram;
+ UINT8 *m_ext_work_ram;
+ UINT8 *m_gvram;
+ UINT8 *m_n80rom;
+ UINT8 *m_n88rom;
+ UINT8 *m_kanji_rom;
+ UINT8 *m_cg_rom;
+
+ UINT8 m_i8255_0_pc;
+ UINT8 m_i8255_1_pc;
+ UINT8 m_fdc_irq_opcode;
+ UINT8 m_ext_rom_bank;
+ UINT8 m_gfx_ctrl;
+ UINT8 m_vram_sel;
+ UINT8 m_misc_ctrl;
+ UINT8 m_device_ctrl_data;
+ UINT8 m_window_offset_bank;
+ UINT8 m_layer_mask;
+ UINT16 m_dma_counter[4];
+ UINT16 m_dma_address[4];
+ UINT8 m_alu_reg[3];
+ UINT8 m_dmac_mode;
+ UINT8 m_alu_ctrl1;
+ UINT8 m_alu_ctrl2;
+ UINT8 m_extram_mode;
+ UINT8 m_extram_bank;
+ UINT8 m_txt_width;
+ UINT8 m_txt_color;
+#ifdef USE_PROPER_I8214
+ UINT8 m_timer_irq_mask;
+ UINT8 m_vblank_irq_mask;
+ UINT8 m_sound_irq_mask;
+ UINT8 m_int_state;
+#else
+ UINT8 m_i8214_irq_level;
+ UINT8 m_vrtc_irq_mask;
+ UINT8 m_vrtc_irq_latch;
+ UINT8 m_timer_irq_mask;
+ UINT8 m_timer_irq_latch;
+ UINT8 m_sound_irq_mask;
+ UINT8 m_sound_irq_latch;
+ UINT8 m_sound_irq_pending;
+#endif
+ UINT8 m_has_clock_speed;
+ UINT8 m_clock_setting;
+ UINT8 m_baudrate_val;
+ UINT8 m_has_dictionary;
+ UINT8 m_dic_ctrl;
+ UINT8 m_dic_bank;
+ UINT8 m_has_cdrom;
+ UINT8 m_cdrom_reg[0x10];
+ crtc_t m_crtc;
+ mouse_t m_mouse;
+ struct { UINT8 r, g, b; } m_palram[8];
+ UINT8 m_dmac_ff;
+ UINT32 m_knj_addr[2];
+ UINT32 m_extram_size;
+ UINT8 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(i8214_irq_level_w);
+ DECLARE_WRITE8_MEMBER(i8214_irq_mask_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 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 calc_cursor_pos(int x,int y,int yi);
+ UINT8 extract_text_attribute(UINT32 address,int x, UINT8 width, UINT8 &non_special);
+ void pc8801_draw_char(bitmap_ind16 &bitmap,int x,int y,int pal,UINT8 gfx_mode,UINT8 reverse,UINT8 secret,
+ UINT8 blink,UINT8 upper,UINT8 lower,int y_size,int width, UINT8 non_special);
+ void draw_text(bitmap_ind16 &bitmap,int y_size, UINT8 width);
+ void fdc_irq_w(bool state);
+
+ UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
+ DECLARE_PALETTE_INIT(pc8801);
+protected:
+
+ virtual void video_start();
+ virtual void machine_start();
+ virtual void machine_reset();
+public:
+ 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_WRITE_LINE_MEMBER(pic_int_w);
+ DECLARE_WRITE_LINE_MEMBER(pic_enlg_w);
+ DECLARE_READ8_MEMBER(opn_porta_r);
+ DECLARE_READ8_MEMBER(opn_portb_r);
+ IRQ_CALLBACK_MEMBER(pc8801_irq_callback);
+ void pc8801_raise_irq(UINT8 irq,UINT8 state);
+ DECLARE_WRITE_LINE_MEMBER(pc8801_sound_irq);
+};
+
+
+/*
+CRTC command params:
+0. CRTC reset
+
+[0] *--- ---- <unknown>
+[0] -xxx xxxx screen columns (+2)
+
+[1] xx-- ---- blink speed (in frame unit) (+1, << 3)
+[1] --xx xxxx screen lines (+1)
+
+[2] x--- ---- "skip line"
+[2] -x-- ---- cursor style (reverse on / underscore off)
+[2] --x- ---- cursor blink on/off
+[2] ---x xxxx lines per character (+1)
+
+[3] xxx- ---- Vertical Retrace (+1)
+[3] ---x xxxx Horizontal Retrace (+2)
+
+[4] x--- ---- attribute not separate flag
+[4] -x-- ---- attribute color flag
+[4] --x- ---- attribute not special flag (invalidates next register)
+[4] ---x xxxx attribute size (+1)
+*/
+
+#define screen_width ((m_crtc.param[0][0] & 0x7f) + 2) * 8
+
+#define blink_speed ((((m_crtc.param[0][1] & 0xc0) >> 6) + 1) << 3)
+#define screen_height ((m_crtc.param[0][1] & 0x3f) + 1)
+
+#define lines_per_char ((m_crtc.param[0][2] & 0x1f) + 1)
+
+#define vretrace (((m_crtc.param[0][3] & 0xe0) >> 5) + 1)
+#define hretrace ((m_crtc.param[0][3] & 0x1f) + 2) * 8
+
+#define text_color_flag ((m_crtc.param[0][4] & 0xe0) == 0x40)
+//#define monitor_24KHz ((m_gfx_ctrl & 0x19) == 0x08) /* TODO: this is most likely to be WRONG */
+
+void pc8801_state::video_start()
+{
+}
+
+void pc8801_state::draw_bitmap_3bpp(bitmap_ind16 &bitmap,const rectangle &cliprect)
+{
+ int x,y,xi;
+ UINT32 count;
+ UINT16 y_size;
+ UINT16 y_double;
+
+ count = 0;
+
+ y_double = (pc8801_pixel_clock());
+ y_size = (y_double+1) * 200;
+
+ for(y=0;y<y_size;y+=(y_double+1))
+ {
+ for(x=0;x<640;x+=8)
+ {
+ for(xi=0;xi<8;xi++)
+ {
+ int pen;
+
+ pen = 0;
+
+ /* note: layer masking doesn't occur in 3bpp mode, Bug Attack relies on this */
+ pen |= ((m_gvram[count+0x0000] >> (7-xi)) & 1) << 0;
+ pen |= ((m_gvram[count+0x4000] >> (7-xi)) & 1) << 1;
+ pen |= ((m_gvram[count+0x8000] >> (7-xi)) & 1) << 2;
+
+ if(y_double)
+ {
+ if(cliprect.contains(x+xi, y+0))
+ bitmap.pix16(y+0, x+xi) = m_palette->pen(pen & 7);
+
+ if(cliprect.contains(x+xi, y+1))
+ bitmap.pix16(y+1, x+xi) = m_palette->pen(pen & 7);
+ }
+ else
+ {
+ if(cliprect.contains(x+xi, y+0))
+ bitmap.pix16(y, x+xi) = m_palette->pen(pen & 7);
+ }
+ }
+
+ count++;
+ }
+ }
+}
+
+void pc8801_state::draw_bitmap_1bpp(bitmap_ind16 &bitmap,const rectangle &cliprect)
+{
+ int x,y,xi;
+ UINT32 count;
+ UINT8 color;
+ UINT8 is_cursor;
+
+ count = 0;
+ color = (m_gfx_ctrl & 1) ? 7 & ((m_layer_mask ^ 0xe) >> 1) : 7;
+ is_cursor = 0;
+
+ for(y=0;y<200;y++)
+ {
+ for(x=0;x<640;x+=8)
+ {
+ if(!(m_gfx_ctrl & 1))
+ is_cursor = calc_cursor_pos(x/8,y/lines_per_char,y & (lines_per_char-1));
+
+ for(xi=0;xi<8;xi++)
+ {
+ int pen;
+
+ pen = ((m_gvram[count+0x0000] >> (7-xi)) & 1);
+ if(is_cursor)
+ pen^=1;
+
+ if((m_gfx_ctrl & 1))
+ {
+ if(cliprect.contains(x+xi, y*2+0))
+ bitmap.pix16(y*2+0, x+xi) = m_palette->pen(pen ? color : 0);
+
+ if(cliprect.contains(x+xi, y*2+1))
+ bitmap.pix16(y*2+1, x+xi) = m_palette->pen(pen ? color : 0);
+ }
+ else
+ {
+ if(cliprect.contains(x+xi, y))
+ bitmap.pix16(y, x+xi) = m_palette->pen(pen ? color : 0);
+ }
+ }
+
+ count++;
+ }
+ }
+
+ if(!(m_gfx_ctrl & 1)) // 400 lines
+ {
+ count = 0;
+
+ for(y=200;y<400;y++)
+ {
+ for(x=0;x<640;x+=8)
+ {
+ if(!(m_gfx_ctrl & 1))
+ is_cursor = calc_cursor_pos(x/8,y/lines_per_char,y & (lines_per_char-1));
+
+ for(xi=0;xi<8;xi++)
+ {
+ int pen;
+
+ pen = ((m_gvram[count+0x4000] >> (7-xi)) & 1);
+ if(is_cursor)
+ pen^=1;
+
+ if(cliprect.contains(x+xi, y))
+ bitmap.pix16(y, x+xi) = m_palette->pen(pen ? 7 : 0);
+ }
+
+ count++;
+ }
+ }
+ }
+}
+
+UINT8 pc8801_state::calc_cursor_pos(int x,int y,int yi)
+{
+ if(!(m_crtc.cursor_on)) // don't bother if cursor is off
+ return 0;
+
+ if(x == m_crtc.param[4][0] && y == m_crtc.param[4][1]) /* check if position matches */
+ {
+ /* don't pass through if we are using underscore */
+ if((!(m_crtc.param[0][2] & 0x40)) && yi != 7)
+ return 0;
+
+ /* finally check if blinking is currently active high */
+ if(!(m_crtc.param[0][2] & 0x20))
+ return 1;
+
+ if(((machine().first_screen()->frame_number() / blink_speed) & 1) == 0)
+ return 1;
+
+ return 0;
+ }
+
+ return 0;
+}
+
+
+
+UINT8 pc8801_state::extract_text_attribute(UINT32 address,int x, UINT8 width, UINT8 &non_special)
+{
+ UINT8 *vram = m_work_ram;
+ int i;
+ int fifo_size;
+ int offset;
+
+ non_special = 0;
+ if(m_crtc.param[0][4] & 0x80)
+ {
+ popmessage("Using non-separate mode for text tilemap, contact MESSdev");
+ return 0;
+ }
+
+ fifo_size = (m_crtc.param[0][4] & 0x20) ? 0 : ((m_crtc.param[0][4] & 0x1f) + 1);
+
+ if(fifo_size == 0)
+ {
+ non_special = 1;
+ return (text_color_flag) ? 0xe8 : 0;
+ }
+
+ /* TODO: correct or hack-ish? Certainly having 0 as a attribute X is weird in any case. */
+ offset = (vram[address] == 0) ? 2 : 0;
+
+ for(i=0;i<fifo_size;i++)
+ {
+ if(x < vram[address+offset])
+ {
+ return vram[address+1];
+ }
+ else
+ address+=2;
+ }
+
+ return vram[address-3+offset];
+}
+
+void pc8801_state::pc8801_draw_char(bitmap_ind16 &bitmap,int x,int y,int pal,UINT8 gfx_mode,UINT8 reverse,UINT8 secret,UINT8 blink,UINT8 upper,UINT8 lower,int y_size,int width, UINT8 non_special)
+{
+ int xi,yi;
+ UINT8 *vram = m_work_ram;
+ UINT8 is_cursor;
+ UINT8 y_height, y_double;
+ UINT8 y_step;
+
+ y_height = lines_per_char;
+ y_double = (pc8801_pixel_clock());
+ y_step = (non_special) ? 80 : 120; // trusted by Elthlead
+ is_cursor = 0;
+
+ for(yi=0;yi<y_height;yi++)
+ {
+ if(m_gfx_ctrl & 1)
+ is_cursor = calc_cursor_pos(x,y,yi);
+
+ for(xi=0;xi<8;xi++)
+ {
+ int res_x,res_y;
+ int tile;
+ int color;
+
+ {
+ tile = vram[x+(y*y_step)+m_dma_address[2]];
+
+ res_x = x*8+xi*(width+1);
+ res_y = y*y_height+yi;
+
+ if(!machine().first_screen()->visible_area().contains(res_x, res_y))
+ continue;
+
+ if(gfx_mode)
+ {
+ UINT8 mask;
+
+ mask = (xi & 4) ? 0x10 : 0x01;
+ mask <<= ((yi & (0x6 << y_double)) >> (1+y_double));
+ color = (tile & mask) ? pal : -1;
+ }
+ else
+ {
+ UINT8 char_data;
+ UINT8 blink_mask;
+
+ blink_mask = 0;
+ if(blink && ((machine().first_screen()->frame_number() / blink_speed) & 3) == 1)
+ blink_mask = 1;
+
+ if(yi >= (1 << (y_double+3)) || secret || blink_mask)
+ char_data = 0;
+ else
+ char_data = (m_cg_rom[tile*8+(yi >> y_double)] >> (7-xi)) & 1;
+
+ if(yi == 0 && upper)
+ char_data = 1;
+
+ if(yi == y_height && lower)
+ char_data = 1;
+
+ if(is_cursor)
+ char_data^=1;
+
+ if(reverse)
+ char_data^=1;
+
+ color = char_data ? pal : -1;
+ }
+
+ if(color != -1)
+ {
+ bitmap.pix16(res_y, res_x) = m_palette->pen(color);
+ if(width)
+ {
+ if(!machine().first_screen()->visible_area().contains(res_x+1, res_y))
+ continue;
+
+ bitmap.pix16(res_y, res_x+1) = m_palette->pen(color);
+ }
+ }
+ }
+ }
+ }
+}
+
+void pc8801_state::draw_text(bitmap_ind16 &bitmap,int y_size, UINT8 width)
+{
+ int x,y;
+ UINT8 attr;
+ UINT8 reverse;
+ UINT8 gfx_mode;
+ UINT8 secret;
+ UINT8 upper;
+ UINT8 lower;
+ UINT8 blink;
+ int pal;
+ UINT8 non_special;
+
+ for(y=0;y<y_size;y++)
+ {
+ for(x=0;x<80;x++)
+ {
+ if(x & 1 && !width)
+ continue;
+
+ attr = extract_text_attribute((((y*120)+80+m_dma_address[2]) & 0xffff),(x),width,non_special);
+
+ if(text_color_flag && (attr & 8)) // color mode
+ {
+ pal = ((attr & 0xe0) >> 5);
+ gfx_mode = (attr & 0x10) >> 4;
+ reverse = 0;
+ secret = 0;
+ upper = 0;
+ lower = 0;
+ blink = 0;
+ pal|=8; //text pal bank
+ }
+ else // monochrome
+ {
+ pal = 7; /* TODO: Bishoujo Baseball Gakuen Pasoket logo wants this to be black somehow ... */
+ gfx_mode = (attr & 0x80) >> 7;
+ reverse = (attr & 4) >> 2;
+ secret = (attr & 1);
+ upper = (attr & 0x10) >> 4;
+ lower = (attr & 0x20) >> 5;
+ blink = (attr & 2) >> 1;
+ pal|=8; //text pal bank
+ reverse ^= m_crtc.inverse;
+
+ if(attr & 0x80)
+ popmessage("Warning: mono gfx mode enabled, contact MESSdev");
+
+ }
+
+ pc8801_draw_char(bitmap,x,y,pal,gfx_mode,reverse,secret,blink,upper,lower,y_size,!width,non_special);
+ }
+ }
+}
+
+UINT32 pc8801_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+{
+ bitmap.fill(m_palette->pen(0), cliprect);
+
+// popmessage("%04x %04x %02x",m_dma_address[2],m_dma_counter[2],m_dmac_mode);
+
+ if(m_gfx_ctrl & 8)
+ {
+ if(m_gfx_ctrl & 0x10)
+ draw_bitmap_3bpp(bitmap,cliprect);
+ else
+ draw_bitmap_1bpp(bitmap,cliprect);
+ }
+
+ //popmessage("%02x %02x %02x %02x %02x",state->m_layer_mask,state->m_dmac_mode,state->m_crtc.status,state->m_crtc.irq_mask,state->m_gfx_ctrl);
+
+ if(!(m_layer_mask & 1) && m_dmac_mode & 4 && m_crtc.status & 0x10 && m_crtc.irq_mask == 3)
+ {
+ //popmessage("%02x %02x",m_crtc.param[0][0],m_crtc.param[0][4]);
+
+ draw_text(bitmap,screen_height,m_txt_width);
+ }
+
+ return 0;
+}
+
+READ8_MEMBER(pc8801_state::pc8801_alu_r)
+{
+ int i;
+ UINT8 b,r,g;
+
+ /* store data to ALU regs */
+ for(i=0;i<3;i++)
+ m_alu_reg[i] = m_gvram[i*0x4000 + offset];
+
+ b = m_gvram[offset + 0x0000];
+ r = m_gvram[offset + 0x4000];
+ g = m_gvram[offset + 0x8000];
+ if(!(m_alu_ctrl2 & 1)) { b^=0xff; }
+ if(!(m_alu_ctrl2 & 2)) { r^=0xff; }
+ if(!(m_alu_ctrl2 & 4)) { g^=0xff; }
+
+ return b & r & g;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_alu_w)
+{
+ int i;
+
+ switch(m_alu_ctrl2 & 0x30) // alu write mode
+ {
+ case 0x00: //logic operation
+ {
+ UINT8 logic_op;
+
+ for(i=0;i<3;i++)
+ {
+ logic_op = (m_alu_ctrl1 & (0x11 << i)) >> i;
+
+ switch(logic_op)
+ {
+ case 0x00: { m_gvram[i*0x4000 + offset] &= ~data; } break;
+ case 0x01: { m_gvram[i*0x4000 + offset] |= data; } break;
+ case 0x10: { m_gvram[i*0x4000 + offset] ^= data; } break;
+ case 0x11: break; // NOP
+ }
+ }
+ }
+ break;
+
+ case 0x10: // restore data from ALU regs
+ {
+ for(i=0;i<3;i++)
+ m_gvram[i*0x4000 + offset] = m_alu_reg[i];
+ }
+ break;
+
+ case 0x20: // swap ALU reg 1 into R GVRAM
+ m_gvram[0x0000 + offset] = m_alu_reg[1];
+ break;
+
+ case 0x30: // swap ALU reg 0 into B GVRAM
+ m_gvram[0x4000 + offset] = m_alu_reg[0];
+ break;
+ }
+}
+
+
+READ8_MEMBER(pc8801_state::pc8801_wram_r)
+{
+ return m_work_ram[offset];
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_wram_w)
+{
+ m_work_ram[offset] = data;
+}
+
+READ8_MEMBER(pc8801_state::pc8801_ext_wram_r)
+{
+ if(offset < m_extram_size)
+ return m_ext_work_ram[offset];
+
+ return 0xff;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_ext_wram_w)
+{
+ if(offset < m_extram_size)
+ m_ext_work_ram[offset] = data;
+}
+
+READ8_MEMBER(pc8801_state::pc8801_nbasic_rom_r)
+{
+ return m_n80rom[offset];
+}
+
+READ8_MEMBER(pc8801_state::pc8801_n88basic_rom_r)
+{
+ return m_n88rom[offset];
+}
+
+READ8_MEMBER(pc8801_state::pc8801_gvram_r)
+{
+ return m_gvram[offset];
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_gvram_w)
+{
+ m_gvram[offset] = data;
+}
+
+READ8_MEMBER(pc8801_state::pc8801_high_wram_r)
+{
+ return m_hi_work_ram[offset];
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_high_wram_w)
+{
+ m_hi_work_ram[offset] = data;
+}
+
+READ8_MEMBER(pc8801_state::pc8801ma_dic_r)
+{
+ UINT8 *dic_rom = memregion("dictionary")->base();
+
+ return dic_rom[offset];
+}
+
+READ8_MEMBER(pc8801_state::pc8801_cdbios_rom_r)
+{
+ UINT8 *cdrom_bios = memregion("cdrom")->base();
+
+ return cdrom_bios[offset];
+}
+
+READ8_MEMBER(pc8801_state::pc8801_mem_r)
+{
+ if(offset <= 0x7fff)
+ {
+ if(m_extram_mode & 1)
+ return pc8801_ext_wram_r(space,offset | (m_extram_bank * 0x8000));
+
+ if(m_gfx_ctrl & 2)
+ return pc8801_wram_r(space,offset);
+
+ if(m_has_cdrom && m_cdrom_reg[9] & 0x10)
+ return pc8801_cdbios_rom_r(space,(offset & 0x7fff) | ((m_gfx_ctrl & 4) ? 0x8000 : 0x0000));
+
+ if(m_gfx_ctrl & 4)
+ return pc8801_nbasic_rom_r(space,offset);
+
+ if(offset >= 0x6000 && offset <= 0x7fff && ((m_ext_rom_bank & 1) == 0))
+ return pc8801_n88basic_rom_r(space,0x8000 + (offset & 0x1fff) + (0x2000 * (m_misc_ctrl & 3)));
+
+ return pc8801_n88basic_rom_r(space,offset);
+ }
+ else if(offset >= 0x8000 && offset <= 0x83ff) // work RAM window
+ {
+ UINT32 window_offset;
+
+ if(m_gfx_ctrl & 6) //wram read select or n basic select banks this as normal wram
+ return pc8801_wram_r(space,offset);
+
+ window_offset = (offset & 0x3ff) + (m_window_offset_bank << 8);
+
+ if(((window_offset & 0xf000) == 0xf000) && (m_misc_ctrl & 0x10))
+ printf("Read from 0xf000 - 0xffff window offset\n"); //accessed by Castle Excellent, no noticeable quirk
+
+ if(((window_offset & 0xf000) == 0xf000) && (m_misc_ctrl & 0x10))
+ return pc8801_high_wram_r(space,window_offset & 0xfff);
+
+ return pc8801_wram_r(space,window_offset);
+ }
+ else if(offset >= 0x8400 && offset <= 0xbfff)
+ {
+ return pc8801_wram_r(space,offset);
+ }
+ else if(offset >= 0xc000 && offset <= 0xffff)
+ {
+ if(m_has_dictionary && m_dic_ctrl)
+ return pc8801ma_dic_r(space,(offset & 0x3fff) + ((m_dic_bank & 0x1f) * 0x4000));
+
+ if(m_misc_ctrl & 0x40)
+ {
+ if(!space.debugger_access())
+ m_vram_sel = 3;
+
+ if(m_alu_ctrl2 & 0x80)
+ return pc8801_alu_r(space,offset & 0x3fff);
+ }
+
+ if(m_vram_sel == 3)
+ {
+ if(offset >= 0xf000 && offset <= 0xffff && (m_misc_ctrl & 0x10))
+ return pc8801_high_wram_r(space,offset & 0xfff);
+
+ return pc8801_wram_r(space,offset);
+ }
+
+ return pc8801_gvram_r(space,(offset & 0x3fff) + (0x4000 * m_vram_sel));
+ }
+
+ return 0xff;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_mem_w)
+{
+ if(offset <= 0x7fff)
+ {
+ if(m_extram_mode & 0x10)
+ pc8801_ext_wram_w(space,offset | (m_extram_bank * 0x8000),data);
+ else
+ pc8801_wram_w(space,offset,data);
+
+ return;
+ }
+ else if(offset >= 0x8000 && offset <= 0x83ff)
+ {
+ if(m_gfx_ctrl & 6) //wram read select or n basic select banks this as normal wram
+ pc8801_wram_w(space,offset,data);
+ else
+ {
+ UINT32 window_offset;
+
+ window_offset = (offset & 0x3ff) + (m_window_offset_bank << 8);
+
+ if(((window_offset & 0xf000) == 0xf000) && (m_misc_ctrl & 0x10))
+ printf("Write to 0xf000 - 0xffff window offset\n"); //accessed by Castle Excellent, no noticeable quirk
+
+ if(((window_offset & 0xf000) == 0xf000) && (m_misc_ctrl & 0x10))
+ pc8801_high_wram_w(space,window_offset & 0xfff,data);
+ else
+ pc8801_wram_w(space,window_offset,data);
+ }
+
+ return;
+ }
+ else if(offset >= 0x8400 && offset <= 0xbfff)
+ {
+ pc8801_wram_w(space,offset,data);
+ return;
+ }
+ else if(offset >= 0xc000 && offset <= 0xffff)
+ {
+ if(m_misc_ctrl & 0x40)
+ {
+ if(!space.debugger_access())
+ m_vram_sel = 3;
+
+ if(m_alu_ctrl2 & 0x80)
+ {
+ pc8801_alu_w(space,offset & 0x3fff,data);
+ return;
+ }
+ }
+
+ if(m_vram_sel == 3)
+ {
+ if(offset >= 0xf000 && offset <= 0xffff && (m_misc_ctrl & 0x10))
+ {
+ pc8801_high_wram_w(space,offset & 0xfff,data);
+ return;
+ }
+
+ pc8801_wram_w(space,offset,data);
+ return;
+ }
+
+ pc8801_gvram_w(space,(offset & 0x3fff) + (0x4000 * m_vram_sel),data);
+ return;
+ }
+}
+
+static ADDRESS_MAP_START( pc8801_mem, AS_PROGRAM, 8, pc8801_state )
+ AM_RANGE(0x0000, 0xffff) AM_READWRITE(pc8801_mem_r,pc8801_mem_w)
+ADDRESS_MAP_END
+
+READ8_MEMBER(pc8801_state::pc8801_ctrl_r)
+{
+ /*
+ 11-- ----
+ --x- ---- vrtc
+ ---x ---- calendar CDO
+ ---- x--- fdc auto-boot DIP-SW
+ ---- -x-- (RS-232C related)
+ ---- --x- monitor refresh rate DIP-SW
+ ---- ---x (pbsy?)
+ */
+ return ioport("CTRL")->read();
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_ctrl_w)
+{
+ /*
+ x--- ---- SING (buzzer mask?)
+ -x-- ---- mouse latch (JOP1, routes on OPN sound port A)
+ --x- ---- beeper
+ ---x ---- ghs mode
+ ---- x--- crtc i/f sync mode
+ ---- -x-- upd1990a clock bit
+ ---- --x- upd1990a strobe bit
+ ---- ---x printer strobe
+ */
+
+ m_rtc->stb_w((data & 2) >> 1);
+ m_rtc->clk_w((data & 4) >> 2);
+
+ if(((m_device_ctrl_data & 0x20) == 0x00) && ((data & 0x20) == 0x20))
+ m_beeper->set_state(1);
+
+ if(((m_device_ctrl_data & 0x20) == 0x20) && ((data & 0x20) == 0x00))
+ m_beeper->set_state(0);
+
+ if((m_device_ctrl_data & 0x40) != (data & 0x40))
+ {
+ attotime new_time = machine().time();
+
+ if(m_mouse.phase == 0)
+ {
+ m_mouse.x = ioport("MOUSEX")->read();
+ m_mouse.y = ioport("MOUSEY")->read();
+ }
+
+ if(data & 0x40 && (new_time - m_mouse.time) > attotime::from_hz(900))
+ {
+ m_mouse.phase = 0;
+ }
+ else
+ {
+ m_mouse.phase++;
+ m_mouse.phase &= 3;
+ }
+
+ m_mouse.time = machine().time();
+ }
+
+ /* TODO: is SING a buzzer mask? Bastard Special relies on this ... */
+ if(m_device_ctrl_data & 0x80)
+ m_beeper->set_state(0);
+
+ m_device_ctrl_data = data;
+}
+
+READ8_MEMBER(pc8801_state::pc8801_ext_rom_bank_r)
+{
+ return m_ext_rom_bank;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_ext_rom_bank_w)
+{
+ m_ext_rom_bank = data;
+}
+
+UINT8 pc8801_state::pc8801_pixel_clock(void)
+{
+ int ysize = machine().first_screen()->height(); /* TODO: correct condition*/
+
+ return (ysize >= 400);
+}
+
+void pc8801_state::pc8801_dynamic_res_change(void)
+{
+ rectangle visarea;
+ int xsize,ysize,xvis,yvis;
+ attoseconds_t refresh;;
+
+ /* bail out if screen params aren't valid */
+ if(!m_crtc.param[0][0] || !m_crtc.param[0][1] || !m_crtc.param[0][2] || !m_crtc.param[0][3])
+ return;
+
+ xvis = screen_width;
+ yvis = screen_height * lines_per_char;
+ xsize = screen_width + hretrace;
+ ysize = screen_height * lines_per_char + vretrace * lines_per_char;
+
+// popmessage("H %d V %d (%d x %d) HR %d VR %d (%d %d)\n",xvis,yvis,screen_height,lines_per_char,hretrace,vretrace, xsize,ysize);
+
+ visarea.set(0, xvis - 1, 0, yvis - 1);
+ if(pc8801_pixel_clock())
+ refresh = HZ_TO_ATTOSECONDS(PIXEL_CLOCK_24KHz) * (xsize) * ysize;
+ else
+ refresh = HZ_TO_ATTOSECONDS(PIXEL_CLOCK_15KHz) * (xsize) * ysize;
+
+ machine().first_screen()->configure(xsize, ysize, visarea, refresh);
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_gfx_ctrl_w)
+{
+ /*
+ --x- ---- ???
+ ---x ---- graphic color yes (1) / no (0)
+ ---- x--- graphic display yes (1) / no (0)
+ ---- -x-- Basic N (1) / N88 (0)
+ ---- --x- RAM select yes (1) / no (0)
+ ---- ---x VRAM 200 lines (1) / 400 lines (0) in 1bpp mode
+ */
+
+ m_gfx_ctrl = data;
+
+ pc8801_dynamic_res_change();
+}
+
+READ8_MEMBER(pc8801_state::pc8801_vram_select_r)
+{
+ return 0xf8 | ((m_vram_sel == 3) ? 0 : (1 << m_vram_sel));
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_vram_select_w)
+{
+ m_vram_sel = offset & 3;
+}
+
+#ifdef USE_PROPER_I8214
+
+WRITE8_MEMBER(pc8801_state::i8214_irq_level_w)
+{
+ if(data & 8)
+ m_pic->b_w(7);
+ else
+ m_pic->b_w(data & 0x07);
+}
+
+WRITE8_MEMBER(pc8801_state::i8214_irq_mask_w)
+{
+ m_timer_irq_mask = data & 1;
+ m_vblank_irq_mask = data & 2;
+}
+
+
+#else
+WRITE8_MEMBER(pc8801_state::pc8801_irq_level_w)
+{
+ if(data & 8)
+ m_i8214_irq_level = 7;
+ else
+ m_i8214_irq_level = data & 7;
+
+// IRQ_LOG(("%02x LV\n",m_i8214_irq_level));
+}
+
+
+WRITE8_MEMBER(pc8801_state::pc8801_irq_mask_w)
+{
+ m_timer_irq_mask = data & 1;
+ m_vrtc_irq_mask = data & 2;
+
+ if(m_timer_irq_mask == 0)
+ m_timer_irq_latch = 0;
+
+ if(m_vrtc_irq_mask == 0)
+ m_vrtc_irq_latch = 0;
+
+ if(m_timer_irq_latch == 0 && m_vrtc_irq_latch == 0 && m_sound_irq_latch == 0)
+ m_maincpu->set_input_line(0,CLEAR_LINE);
+
+// IRQ_LOG(("%02x MASK (%02x %02x)\n",data,m_timer_irq_latch,m_vrtc_irq_latch));
+
+ //if(data & 4)
+ // printf("IRQ mask %02x\n",data);
+}
+#endif
+
+READ8_MEMBER(pc8801_state::pc8801_window_bank_r)
+{
+ return m_window_offset_bank;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_window_bank_w)
+{
+ m_window_offset_bank = data;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_window_bank_inc_w)
+{
+ m_window_offset_bank++;
+ m_window_offset_bank&=0xff;
+}
+
+READ8_MEMBER(pc8801_state::pc8801_misc_ctrl_r)
+{
+ return m_misc_ctrl;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_misc_ctrl_w)
+{
+ /*
+ x--- ---- sound irq mask, active low
+ --x- ---- analog (1) / digital (0) palette select
+ */
+
+ m_misc_ctrl = data;
+
+ #ifdef USE_PROPER_I8214
+ m_sound_irq_mask = ((data & 0x80) == 0);
+ #else
+ m_sound_irq_mask = ((data & 0x80) == 0);
+
+ if(m_sound_irq_mask == 0)
+ m_sound_irq_latch = 0;
+
+ if(m_timer_irq_latch == 0 && m_vrtc_irq_latch == 0 && m_sound_irq_latch == 0)
+ m_maincpu->set_input_line(0,CLEAR_LINE);
+
+ if(m_sound_irq_mask && m_sound_irq_pending)
+ {
+ m_maincpu->set_input_line(0,HOLD_LINE);
+ m_sound_irq_latch = 1;
+ m_sound_irq_pending = 0;
+ }
+
+ #endif
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_bgpal_w)
+{
+ if(data)
+ printf("BG Pal %02x\n",data);
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_palram_w)
+{
+ if(m_misc_ctrl & 0x20) //analog palette
+ {
+ if((data & 0x40) == 0)
+ {
+ m_palram[offset].b = data & 0x7;
+ m_palram[offset].r = (data & 0x38) >> 3;
+ }
+ else
+ {
+ m_palram[offset].g = data & 0x7;
+ }
+ }
+ else //digital palette
+ {
+ m_palram[offset].b = data & 1 ? 7 : 0;
+ m_palram[offset].r = data & 2 ? 7 : 0;
+ m_palram[offset].g = data & 4 ? 7 : 0;
+ }
+
+ m_palette->set_pen_color(offset, pal3bit(m_palram[offset].r), pal3bit(m_palram[offset].g), pal3bit(m_palram[offset].b));
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_layer_masking_w)
+{
+ /*
+ ---- x--- green gvram masked flag
+ ---- -x-- red gvram masked flag
+ ---- --x- blue gvram masked flag
+ ---- ---x text vram masked
+ */
+
+ m_layer_mask = data;
+}
+
+READ8_MEMBER(pc8801_state::pc8801_crtc_param_r)
+{
+ printf("CRTC param reading\n");
+ return 0xff;
+}
+
+WRITE8_MEMBER(pc8801_state::pc88_crtc_param_w)
+{
+ if(m_crtc.param_count < 5)
+ {
+ m_crtc.param[m_crtc.cmd][m_crtc.param_count] = data;
+ if(m_crtc.cmd == 0)
+ pc8801_dynamic_res_change();
+
+ m_crtc.param_count++;
+ }
+}
+
+READ8_MEMBER(pc8801_state::pc8801_crtc_status_r)
+{
+ /*
+ ---x ---- video enable
+ ---- x--- DMA is running
+ ---- -x-- special control character IRQ
+ ---- --x- indication end IRQ
+ ---- ---x light pen input
+ */
+
+ return m_crtc.status;
+}
+
+#if 0
+static const char *const crtc_command[] =
+{
+ "Reset / Stop Display", // 0
+ "Start Display", // 1
+ "Set IRQ MASK", // 2
+ "Read Light Pen", // 3
+ "Load Cursor Position", // 4
+ "Reset IRQ", // 5
+ "Reset Counters", // 6
+ "Read Status" // 7
+};
+#endif
+
+WRITE8_MEMBER(pc8801_state::pc88_crtc_cmd_w)
+{
+ m_crtc.cmd = (data & 0xe0) >> 5;
+ m_crtc.param_count = 0;
+
+ switch(m_crtc.cmd)
+ {
+ case 0: // reset CRTC
+ m_crtc.status &= (~0x16);
+ break;
+ case 1: // start display
+ m_crtc.status |= 0x10;
+ m_crtc.status &= (~0x08);
+ m_crtc.inverse = data & 1;
+
+ if(data & 1) /* Ink Pot uses it, but I want another test case before removing this log */
+ printf("CRTC inverse mode ON\n");
+ break;
+ case 2: // set irq mask
+ m_crtc.irq_mask = data & 3;
+ break;
+ case 3: // read light pen
+ m_crtc.status &= (~0x01);
+ break;
+ case 4: // load cursor position ON/OFF
+ m_crtc.cursor_on = data & 1;
+ break;
+ case 5: // reset IRQ
+ case 6: // reset counters
+ m_crtc.status &= (~0x06);
+ break;
+ }
+
+ //if((data >> 5) != 4)
+ // printf("CRTC cmd %s polled %02x\n",crtc_command[data >> 5],data & 0x1f);
+}
+
+READ8_MEMBER(pc8801_state::pc8801_dmac_r)
+{
+ printf("DMAC R %08x\n",offset);
+ return 0xff;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_dmac_w)
+{
+ if(offset & 1)
+ m_dma_counter[offset >> 1] = (m_dmac_ff) ? (m_dma_counter[offset >> 1]&0xff)|(data<<8) : (m_dma_counter[offset >> 1]&0xff00)|(data&0xff);
+ else
+ m_dma_address[offset >> 1] = (m_dmac_ff) ? (m_dma_address[offset >> 1]&0xff)|(data<<8) : (m_dma_address[offset >> 1]&0xff00)|(data&0xff);
+
+ m_dmac_ff ^= 1;
+}
+
+READ8_MEMBER(pc8801_state::pc8801_dmac_status_r)
+{
+ printf("DMAC R STATUS\n");
+ return 0xff;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_dmac_mode_w)
+{
+ m_dmac_mode = data;
+ m_dmac_ff = 0;
+
+ if(data != 0xe4 && data != 0xa0 && data != 0xc4 && data != 0x80 && data != 0x00)
+ printf("%02x DMAC mode\n",data);
+}
+
+READ8_MEMBER(pc8801_state::pc8801_extram_mode_r)
+{
+ return (m_extram_mode ^ 0x11) | 0xee;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_extram_mode_w)
+{
+ /*
+ ---x ---- Write EXT RAM access at 0x0000 - 0x7fff
+ ---- ---x Read EXT RAM access at 0x0000 - 0x7fff
+ */
+
+ m_extram_mode = data & 0x11;
+}
+
+READ8_MEMBER(pc8801_state::pc8801_extram_bank_r)
+{
+ return m_extram_bank;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_extram_bank_w)
+{
+ m_extram_bank = data;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_alu_ctrl1_w)
+{
+ m_alu_ctrl1 = data;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_alu_ctrl2_w)
+{
+ m_alu_ctrl2 = data;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_pcg8100_w)
+{
+ if(data)
+ printf("Write to PCG-8100 %02x %02x\n",offset,data);
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_txt_cmt_ctrl_w)
+{
+ /* bits 2 to 5 are cmt related */
+
+ m_txt_width = data & 1;
+ m_txt_color = data & 2;
+
+ m_cassette->change_state(BIT(data,3) ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR);
+}
+
+
+READ8_MEMBER(pc8801_state::pc8801_kanji_r)
+{
+ if((offset & 2) == 0)
+ return m_kanji_rom[m_knj_addr[0]*2+((offset & 1) ^ 1)];
+
+ return 0xff;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_kanji_w)
+{
+ if((offset & 2) == 0)
+ m_knj_addr[0] = ((offset & 1) == 0) ? ((m_knj_addr[0]&0xff00)|(data&0xff)) : ((m_knj_addr[0]&0x00ff)|(data<<8));
+}
+
+READ8_MEMBER(pc8801_state::pc8801_kanji_lv2_r)
+{
+ if((offset & 2) == 0)
+ return m_kanji_rom[m_knj_addr[1]*2+((offset & 1) ^ 1)];
+
+ return 0xff;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_kanji_lv2_w)
+{
+ if((offset & 2) == 0)
+ m_knj_addr[1] = ((offset & 1) == 0) ? ((m_knj_addr[1]&0xff00)|(data&0xff)) : ((m_knj_addr[1]&0x00ff)|(data<<8));
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_dic_bank_w)
+{
+ printf("JISHO BANK = %02x\n",data);
+ if(m_has_dictionary)
+ m_dic_bank = data & 0x1f;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_dic_ctrl_w)
+{
+ printf("JISHO CTRL = %02x\n",data);
+ if(m_has_dictionary)
+ m_dic_ctrl = (data ^ 1) & 1;
+}
+
+READ8_MEMBER(pc8801_state::pc8801_cdrom_r)
+{
+ //printf("CD-ROM read [%02x]\n",offset);
+
+ //if(m_has_cdrom)
+ // return m_cdrom_reg[offset];
+
+ return 0xff;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_cdrom_w)
+{
+ /*
+ [9] ---x ---- CD-ROM BIOS bank
+ ---- ---x CD-ROM E-ROM bank (?)
+ */
+ //printf("CD-ROM write %02x -> [%02x]\n",data,offset);
+
+ if(m_has_cdrom)
+ m_cdrom_reg[offset] = data;
+}
+
+READ8_MEMBER(pc8801_state::pc8801_cpuclock_r)
+{
+ if(m_has_clock_speed)
+ return 0x10 | m_clock_setting;
+
+ return 0xff;
+}
+
+READ8_MEMBER(pc8801_state::pc8801_baudrate_r)
+{
+ if(m_has_clock_speed)
+ return 0xf0 | m_baudrate_val;
+
+ return 0xff;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_baudrate_w)
+{
+ if(m_has_clock_speed)
+ m_baudrate_val = data & 0xf;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_rtc_w)
+{
+ m_rtc->c0_w((data & 1) >> 0);
+ m_rtc->c1_w((data & 2) >> 1);
+ m_rtc->c2_w((data & 4) >> 2);
+ m_rtc->data_in_w((data & 8) >> 3);
+
+ /* TODO: remaining bits */
+}
+
+READ8_MEMBER(pc8801_state::pc8801_sound_board_r)
+{
+ if(m_has_opna)
+ return m_opna->read(space, offset);
+
+ return (offset & 2) ? 0xff : m_opn->read(space, offset);
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_sound_board_w)
+{
+ if(m_has_opna)
+ m_opna->write(space, offset,data);
+ else if((offset & 2) == 0)
+ m_opn->write(space, offset, data);
+}
+
+READ8_MEMBER(pc8801_state::pc8801_opna_r)
+{
+ if(m_has_opna && (offset & 2) == 0)
+ return m_opna->read(space, (offset & 1) | ((offset & 4) >> 1));
+
+ return 0xff;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_opna_w)
+{
+ if(m_has_opna && (offset & 2) == 0)
+ m_opna->write(space, (offset & 1) | ((offset & 4) >> 1),data);
+ else if(m_has_opna && offset == 2)
+ {
+ m_sound_irq_mask = ((data & 0x80) == 0);
+
+ if(m_sound_irq_mask == 0)
+ m_sound_irq_latch = 0;
+
+ if(m_timer_irq_latch == 0 && m_vrtc_irq_latch == 0 && m_sound_irq_latch == 0)
+ m_maincpu->set_input_line(0,CLEAR_LINE);
+
+ if(m_sound_irq_mask && m_sound_irq_pending)
+ {
+ m_maincpu->set_input_line(0,HOLD_LINE);
+ m_sound_irq_latch = 1;
+ m_sound_irq_pending = 0;
+ }
+ }
+}
+
+READ8_MEMBER(pc8801_state::pc8801_unk_r)
+{
+ printf("Read port 0x33\n");
+ return 0xff;
+}
+
+WRITE8_MEMBER(pc8801_state::pc8801_unk_w)
+{
+ printf("Write port 0x33\n");
+}
+
+static ADDRESS_MAP_START( pc8801_io, AS_IO, 8, pc8801_state )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ ADDRESS_MAP_UNMAP_HIGH
+ AM_RANGE(0x00, 0x00) AM_READ_PORT("KEY0")
+ AM_RANGE(0x01, 0x01) AM_READ_PORT("KEY1")
+ AM_RANGE(0x02, 0x02) AM_READ_PORT("KEY2")
+ AM_RANGE(0x03, 0x03) AM_READ_PORT("KEY3")
+ AM_RANGE(0x04, 0x04) AM_READ_PORT("KEY4")
+ AM_RANGE(0x05, 0x05) AM_READ_PORT("KEY5")
+ AM_RANGE(0x06, 0x06) AM_READ_PORT("KEY6")
+ AM_RANGE(0x07, 0x07) AM_READ_PORT("KEY7")
+ AM_RANGE(0x08, 0x08) AM_READ_PORT("KEY8")
+ AM_RANGE(0x09, 0x09) AM_READ_PORT("KEY9")
+ AM_RANGE(0x0a, 0x0a) AM_READ_PORT("KEY10")
+ AM_RANGE(0x0b, 0x0b) AM_READ_PORT("KEY11")
+ AM_RANGE(0x0c, 0x0c) AM_READ_PORT("KEY12")
+ AM_RANGE(0x0d, 0x0d) AM_READ_PORT("KEY13")
+ AM_RANGE(0x0e, 0x0e) AM_READ_PORT("KEY14")
+ AM_RANGE(0x0f, 0x0f) AM_READ_PORT("KEY15")
+ AM_RANGE(0x00, 0x02) AM_WRITE(pc8801_pcg8100_w)
+ AM_RANGE(0x10, 0x10) AM_WRITE(pc8801_rtc_w)
+ AM_RANGE(0x20, 0x20) AM_MIRROR(0x0e) AM_DEVREADWRITE(I8251_TAG, i8251_device, data_r, data_w) /* RS-232C and CMT */
+ AM_RANGE(0x21, 0x21) AM_MIRROR(0x0e) AM_DEVREADWRITE(I8251_TAG, i8251_device, status_r, control_w)
+ AM_RANGE(0x30, 0x30) AM_READ_PORT("DSW1") AM_WRITE(pc8801_txt_cmt_ctrl_w)
+ AM_RANGE(0x31, 0x31) AM_READ_PORT("DSW2") AM_WRITE(pc8801_gfx_ctrl_w)
+ AM_RANGE(0x32, 0x32) AM_READWRITE(pc8801_misc_ctrl_r, pc8801_misc_ctrl_w)
+ AM_RANGE(0x33, 0x33) AM_READWRITE(pc8801_unk_r,pc8801_unk_w)
+ AM_RANGE(0x34, 0x34) AM_WRITE(pc8801_alu_ctrl1_w)
+ AM_RANGE(0x35, 0x35) AM_WRITE(pc8801_alu_ctrl2_w)
+ AM_RANGE(0x40, 0x40) AM_READWRITE(pc8801_ctrl_r, pc8801_ctrl_w)
+ AM_RANGE(0x44, 0x47) AM_READWRITE(pc8801_sound_board_r,pc8801_sound_board_w) /* OPN / OPNA ports */
+ AM_RANGE(0x50, 0x50) AM_READWRITE(pc8801_crtc_param_r, pc88_crtc_param_w)
+ AM_RANGE(0x51, 0x51) AM_READWRITE(pc8801_crtc_status_r, pc88_crtc_cmd_w)
+ AM_RANGE(0x52, 0x52) AM_WRITE(pc8801_bgpal_w)
+ AM_RANGE(0x53, 0x53) AM_WRITE(pc8801_layer_masking_w)
+ AM_RANGE(0x54, 0x5b) AM_WRITE(pc8801_palram_w)
+ AM_RANGE(0x5c, 0x5c) AM_READ(pc8801_vram_select_r)
+ AM_RANGE(0x5c, 0x5f) AM_WRITE(pc8801_vram_select_w)
+ AM_RANGE(0x60, 0x67) AM_READWRITE(pc8801_dmac_r,pc8801_dmac_w)
+ AM_RANGE(0x68, 0x68) AM_READWRITE(pc8801_dmac_status_r,pc8801_dmac_mode_w)
+ AM_RANGE(0x6e, 0x6e) AM_READ(pc8801_cpuclock_r)
+ AM_RANGE(0x6f, 0x6f) AM_READWRITE(pc8801_baudrate_r,pc8801_baudrate_w)
+ AM_RANGE(0x70, 0x70) AM_READWRITE(pc8801_window_bank_r, pc8801_window_bank_w)
+ AM_RANGE(0x71, 0x71) AM_READWRITE(pc8801_ext_rom_bank_r, pc8801_ext_rom_bank_w)
+ AM_RANGE(0x78, 0x78) AM_WRITE(pc8801_window_bank_inc_w)
+ AM_RANGE(0x90, 0x9f) AM_READWRITE(pc8801_cdrom_r,pc8801_cdrom_w)
+// AM_RANGE(0xa0, 0xa3) AM_NOP /* music & network */
+ AM_RANGE(0xa8, 0xad) AM_READWRITE(pc8801_opna_r,pc8801_opna_w) /* second sound board */
+// AM_RANGE(0xb4, 0xb5) AM_NOP /* Video art board */
+// AM_RANGE(0xc1, 0xc1) AM_NOP /* (unknown) */
+// AM_RANGE(0xc2, 0xcf) AM_NOP /* music */
+// AM_RANGE(0xd0, 0xd7) AM_NOP /* music & GP-IB */
+// AM_RANGE(0xd8, 0xd8) AM_NOP /* GP-IB */
+// AM_RANGE(0xdc, 0xdf) AM_NOP /* MODEM */
+ AM_RANGE(0xe2, 0xe2) AM_READWRITE(pc8801_extram_mode_r,pc8801_extram_mode_w) /* expand RAM mode */
+ AM_RANGE(0xe3, 0xe3) AM_READWRITE(pc8801_extram_bank_r,pc8801_extram_bank_w) /* expand RAM bank */
+#ifdef USE_PROPER_I8214
+ AM_RANGE(0xe4, 0xe4) AM_WRITE(i8214_irq_level_w)
+ AM_RANGE(0xe6, 0xe6) AM_WRITE(i8214_irq_mask_w)
+#else
+ AM_RANGE(0xe4, 0xe4) AM_WRITE(pc8801_irq_level_w)
+ AM_RANGE(0xe6, 0xe6) AM_WRITE(pc8801_irq_mask_w)
+#endif
+// AM_RANGE(0xe7, 0xe7) AM_NOP /* Arcus writes here, almost likely to be a mirror of above */
+ AM_RANGE(0xe8, 0xeb) AM_READWRITE(pc8801_kanji_r, pc8801_kanji_w)
+ AM_RANGE(0xec, 0xef) AM_READWRITE(pc8801_kanji_lv2_r, pc8801_kanji_lv2_w)
+ AM_RANGE(0xf0, 0xf0) AM_WRITE(pc8801_dic_bank_w)
+ AM_RANGE(0xf1, 0xf1) AM_WRITE(pc8801_dic_ctrl_w)
+// AM_RANGE(0xf3, 0xf3) AM_NOP /* DMA floppy (unknown) */
+// AM_RANGE(0xf4, 0xf7) AM_NOP /* DMA 5'floppy (may be not released) */
+// AM_RANGE(0xf8, 0xfb) AM_NOP /* DMA 8'floppy (unknown) */
+ AM_RANGE(0xfc, 0xff) AM_DEVREADWRITE("d8255_master", i8255_device, read, write)
+ADDRESS_MAP_END
+
+READ8_MEMBER(pc8801_state::cpu_8255_c_r)
+{
+// machine().scheduler().synchronize(); // force resync
+
+ return m_i8255_1_pc >> 4;
+}
+
+WRITE8_MEMBER(pc8801_state::cpu_8255_c_w)
+{
+// machine().scheduler().synchronize(); // force resync
+
+ m_i8255_0_pc = data;
+}
+
+
+READ8_MEMBER(pc8801_state::fdc_8255_c_r)
+{
+// machine().scheduler().synchronize(); // force resync
+
+ return m_i8255_0_pc >> 4;
+}
+
+WRITE8_MEMBER(pc8801_state::fdc_8255_c_w)
+{
+// machine().scheduler().synchronize(); // force resync
+
+ m_i8255_1_pc = data;
+}
+
+static ADDRESS_MAP_START( pc8801fdc_mem, AS_PROGRAM, 8, pc8801_state )
+ AM_RANGE(0x0000, 0x1fff) AM_ROM
+ AM_RANGE(0x4000, 0x7fff) AM_RAM
+ADDRESS_MAP_END
+
+TIMER_CALLBACK_MEMBER(pc8801_state::pc8801fd_upd765_tc_to_zero)
+{
+ //printf("0\n");
+ machine().device<upd765a_device>("upd765")->tc_w(false);
+}
+
+WRITE8_MEMBER(pc8801_state::upd765_mc_w)
+{
+ machine().device<floppy_connector>("upd765:0")->get_device()->mon_w(!(data & 1));
+ machine().device<floppy_connector>("upd765:1")->get_device()->mon_w(!(data & 2));
+}
+
+READ8_MEMBER(pc8801_state::upd765_tc_r)
+{
+ //printf("%04x 1\n",m_fdccpu->pc());
+
+ machine().device<upd765a_device>("upd765")->tc_w(true);
+ //TODO: I'm not convinced that this works correctly with current hook-up ... 1000 usec is needed by Aploon, a bigger value breaks Alpha.
+ //OTOH, 50 seems more than enough for the new upd...
+ machine().scheduler().timer_set(attotime::from_usec(50), timer_expired_delegate(FUNC(pc8801_state::pc8801fd_upd765_tc_to_zero),this));
+ return 0xff; // value is meaningless
+}
+
+WRITE8_MEMBER(pc8801_state::fdc_irq_vector_w)
+{
+ popmessage("Write to FDC IRQ vector I/O %02x, contact MESSdev\n",data);
+ m_fdc_irq_opcode = data;
+}
+
+WRITE8_MEMBER(pc8801_state::fdc_drive_mode_w)
+{
+ logerror("FDC drive mode %02x\n", data);
+ machine().device<floppy_connector>("upd765:0")->get_device()->set_rpm(data & 0x01 ? 360 : 300);
+ machine().device<floppy_connector>("upd765:1")->get_device()->set_rpm(data & 0x02 ? 360 : 300);
+
+ machine().device<upd765a_device>("upd765")->set_rate(data & 0x20 ? 500000 : 250000);
+}
+
+static ADDRESS_MAP_START( pc8801fdc_io, AS_IO, 8, pc8801_state )
+ ADDRESS_MAP_GLOBAL_MASK(0xff)
+ AM_RANGE(0xf0, 0xf0) AM_WRITE(fdc_irq_vector_w) // Interrupt Opcode Port
+ AM_RANGE(0xf4, 0xf4) AM_WRITE(fdc_drive_mode_w) // Drive mode, 2d, 2dd, 2hd
+ AM_RANGE(0xf7, 0xf7) AM_WRITENOP // printer port output
+ AM_RANGE(0xf8, 0xf8) AM_READWRITE(upd765_tc_r,upd765_mc_w) // (R) Terminal Count Port (W) Motor Control Port
+ AM_RANGE(0xfa, 0xfb) AM_DEVICE("upd765", upd765a_device, map )
+ AM_RANGE(0xfc, 0xff) AM_DEVREADWRITE("d8255_slave", i8255_device, read, write)
+ADDRESS_MAP_END
+
+/* Input Ports */
+
+/* 2008-05 FP:
+Small note about the strange default mapping of function keys:
+the top line of keys in PC8801 keyboard is as follows
+[STOP][COPY] [F1][F2][F3][F4][F5] [ROLL UP][ROLL DOWN]
+Therefore, in Full Emulation mode, "F1" goes to 'F3' and so on
+
+Also, the Keypad has 16 keys, making impossible to map it in a satisfactory
+way to a PC keypad. Therefore, default settings for these keys in Full
+Emulation are currently based on the effect of the key rather than on
+their real position
+
+About natural keyboards: currently,
+- "Keypad =" and "Keypad ," are not mapped
+- "Stop" is mapped to 'Pause'
+- "Copy" is mapped to 'Print Screen'
+- "Kana" is mapped to 'F6'
+- "Grph" is mapped to 'F7'
+- "Roll Up" and "Roll Down" are mapped to 'Page Up' and 'Page Down'
+- "Help" is mapped to 'F8'
+ */
+
+static INPUT_PORTS_START( pc8001 )
+ PORT_START("KEY0")
+ PORT_BIT (0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD))
+ PORT_BIT (0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD))
+ PORT_BIT (0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD))
+ PORT_BIT (0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD))
+ PORT_BIT (0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD))
+ PORT_BIT (0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD))
+ PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD))
+ PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD))
+
+ PORT_START("KEY1")
+ PORT_BIT (0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
+ PORT_BIT (0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
+ PORT_BIT (0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK))
+ PORT_BIT (0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD))
+ PORT_BIT (0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad =") PORT_CODE(KEYCODE_PGUP)
+ PORT_BIT (0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Keypad ,") PORT_CODE(KEYCODE_PGDN)
+ PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD))
+ PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(13)
+
+ PORT_START("KEY2")
+ PORT_BIT (0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('@')
+ PORT_BIT (0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
+ PORT_BIT (0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
+ PORT_BIT (0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
+ PORT_BIT (0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
+ PORT_BIT (0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
+ PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
+ PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
+
+ PORT_START("KEY3")
+ PORT_BIT (0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
+ PORT_BIT (0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
+ PORT_BIT (0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
+ PORT_BIT (0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
+ PORT_BIT (0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
+ PORT_BIT (0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
+ PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
+ PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
+
+ PORT_START("KEY4")
+ PORT_BIT (0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
+ PORT_BIT (0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
+ PORT_BIT (0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
+ PORT_BIT (0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
+ PORT_BIT (0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
+ PORT_BIT (0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
+ PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
+ PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
+
+ PORT_START("KEY5")
+ PORT_BIT (0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
+ PORT_BIT (0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
+ PORT_BIT (0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
+ PORT_BIT (0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('[') PORT_CHAR('{')
+ PORT_BIT (0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('\xA5') PORT_CHAR('|')
+ PORT_BIT (0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR(']') PORT_CHAR('}')
+ PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('^')
+ PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=')
+
+ PORT_START("KEY6")
+ PORT_BIT (0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0')
+ PORT_BIT (0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
+ PORT_BIT (0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"')
+ PORT_BIT (0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
+ PORT_BIT (0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
+ PORT_BIT (0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
+ PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
+ PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
+
+ PORT_START("KEY7")
+ PORT_BIT (0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
+ PORT_BIT (0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
+ PORT_BIT (0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*')
+ PORT_BIT (0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+')
+ PORT_BIT (0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
+ PORT_BIT (0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
+ PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
+ PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(" _") PORT_CODE(KEYCODE_DEL) PORT_CHAR(0) PORT_CHAR('_')
+
+ PORT_START("KEY8")
+ PORT_BIT (0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Clr Home") PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME))
+ PORT_BIT (0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
+ PORT_BIT (0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
+ PORT_BIT (0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Del Ins") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(UCHAR_MAMEKEY(DEL)) PORT_CHAR(UCHAR_MAMEKEY(INSERT))
+ PORT_BIT (0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Grph") PORT_CODE(KEYCODE_LALT) PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(F7))
+ PORT_BIT (0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Kana") PORT_CODE(KEYCODE_LCONTROL) PORT_TOGGLE PORT_CHAR(UCHAR_MAMEKEY(F6))
+ PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
+ PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
+
+ PORT_START("KEY9")
+ PORT_BIT (0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Stop") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(PAUSE))
+ PORT_BIT (0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F1))
+ PORT_BIT (0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F2))
+ PORT_BIT (0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F3))
+ PORT_BIT (0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F4))
+ PORT_BIT (0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F5))
+ PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
+ PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
+
+ PORT_START("KEY10")
+ PORT_BIT (0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_CHAR('\t')
+ PORT_BIT (0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(UTF8_DOWN) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
+ PORT_BIT (0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(UTF8_LEFT) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
+ PORT_BIT (0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Help") PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(F8))
+ PORT_BIT (0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Copy") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(PRTSCR))
+ PORT_BIT (0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD))
+ PORT_BIT (0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD))
+ PORT_BIT (0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Caps") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
+
+ PORT_START("KEY11")
+ PORT_BIT (0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Roll Up") PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(PGUP))
+ PORT_BIT (0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Roll Down") PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(PGDN))
+ PORT_BIT( 0xfc, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("KEY12") /* port 0x0c */
+ PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("KEY13") /* port 0x0d */
+ PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("KEY14") /* port 0x0e */
+ PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("KEY15") /* port 0x0f */
+ PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("DSW1")
+ PORT_DIPNAME( 0x01, 0x00, "BASIC" )
+ PORT_DIPSETTING( 0x01, "N88-BASIC" )
+ PORT_DIPSETTING( 0x00, "N-BASIC" )
+ PORT_DIPNAME( 0x02, 0x02, "Terminal mode" )
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x00, "Text width" )
+ PORT_DIPSETTING( 0x04, "40 chars/line" )
+ PORT_DIPSETTING( 0x00, "80 chars/line" )
+ PORT_DIPNAME( 0x08, 0x00, "Text height" )
+ PORT_DIPSETTING( 0x08, "20 lines/screen" )
+ PORT_DIPSETTING( 0x00, "25 lines/screen" )
+ PORT_DIPNAME( 0x10, 0x10, "Enable S parameter" )
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x00, "Enable DEL code" )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, "Memory wait" )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, "Disable CMD SING" )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+
+ PORT_START("DSW2")
+ PORT_DIPNAME( 0x01, 0x01, "Parity generate" )
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x02, 0x00, "Parity type" )
+ PORT_DIPSETTING( 0x00, "Even" )
+ PORT_DIPSETTING( 0x02, "Odd" )
+ PORT_DIPNAME( 0x04, 0x00, "Serial character length" )
+ PORT_DIPSETTING( 0x04, "7 bits/char" )
+ PORT_DIPSETTING( 0x00, "8 bits/char" )
+ PORT_DIPNAME( 0x08, 0x08, "Stop bit length" )
+ PORT_DIPSETTING( 0x08, "1" )
+ PORT_DIPSETTING( 0x00, "2" )
+ PORT_DIPNAME( 0x10, 0x10, "Enable X parameter" )
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x20, "Duplex" )
+ PORT_DIPSETTING( 0x20, "Half" )
+ PORT_DIPSETTING( 0x00, "Full" )
+ PORT_DIPNAME( 0xc0, 0x40, "Basic mode" )
+ PORT_DIPSETTING( 0x80, "N88-BASIC (V1L)" )
+ PORT_DIPSETTING( 0xc0, "N88-BASIC (V1H)" )
+ PORT_DIPSETTING( 0x40, "N88-BASIC (V2)" )
+// PORT_DIPSETTING( 0x00, "N88-BASIC (V2)" )
+
+ PORT_START("CTRL")
+ PORT_DIPNAME( 0x02, 0x02, "Monitor Type" )
+ PORT_DIPSETTING( 0x02, "15 KHz" )
+ PORT_DIPSETTING( 0x00, "24 KHz" )
+ PORT_DIPNAME( 0x08, 0x00, "Auto-boot floppy at start-up" )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH,IPT_SPECIAL ) PORT_READ_LINE_DEVICE_MEMBER("upd1990a", upd1990a_device, data_out_r)
+ PORT_BIT( 0x20, IP_ACTIVE_HIGH,IPT_CUSTOM ) PORT_VBLANK("screen")
+ PORT_BIT( 0xc0, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("CFG") /* EXSWITCH */
+ #if 0 // reference only, afaik there isn't a thing like this ...
+ PORT_DIPNAME( 0x0f, 0x08, "Serial speed" )
+ PORT_DIPSETTING( 0x01, "75bps" )
+ PORT_DIPSETTING( 0x02, "150bps" )
+ PORT_DIPSETTING( 0x03, "300bps" )
+ PORT_DIPSETTING( 0x04, "600bps" )
+ PORT_DIPSETTING( 0x05, "1200bps" )
+ PORT_DIPSETTING( 0x06, "2400bps" )
+ PORT_DIPSETTING( 0x07, "4800bps" )
+ PORT_DIPSETTING( 0x08, "9600bps" )
+ PORT_DIPSETTING( 0x09, "19200bps" )
+ #endif
+ PORT_DIPNAME( 0x40, 0x40, "Speed mode" )
+ PORT_DIPSETTING( 0x00, "Slow" )
+ PORT_DIPSETTING( 0x40, DEF_STR( High ) )
+ PORT_DIPNAME( 0x80, 0x80, "Main CPU clock" )
+ PORT_DIPSETTING( 0x80, "4MHz" )
+ PORT_DIPSETTING( 0x00, "8MHz" )
+
+ PORT_START("OPN_PA")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(1) PORT_CONDITION("BOARD_CONFIG", 0x02, EQUALS, 0x00)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(1) PORT_CONDITION("BOARD_CONFIG", 0x02, EQUALS, 0x00)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_PLAYER(1) PORT_CONDITION("BOARD_CONFIG", 0x02, EQUALS, 0x00)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_PLAYER(1) PORT_CONDITION("BOARD_CONFIG", 0x02, EQUALS, 0x00)
+ PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("OPN_PB")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("P1 Joystick Button 1") PORT_CONDITION("BOARD_CONFIG", 0x02, EQUALS, 0x00)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_NAME("P1 Joystick Button 2") PORT_CONDITION("BOARD_CONFIG", 0x02, EQUALS, 0x00)
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("P1 Mouse Button 1") PORT_CONDITION("BOARD_CONFIG", 0x02, EQUALS, 0x02)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_NAME("P1 Mouse Button 2") PORT_CONDITION("BOARD_CONFIG", 0x02, EQUALS, 0x02)
+ PORT_BIT( 0xfc, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("MOUSEX")
+ PORT_BIT( 0xff, 0x00, IPT_MOUSE_X ) PORT_RESET PORT_REVERSE PORT_SENSITIVITY(20) PORT_KEYDELTA(20) PORT_PLAYER(1) PORT_CONDITION("BOARD_CONFIG", 0x02, EQUALS, 0x02)
+
+ PORT_START("MOUSEY")
+ PORT_BIT( 0xff, 0x00, IPT_MOUSE_Y ) PORT_RESET PORT_REVERSE PORT_SENSITIVITY(20) PORT_KEYDELTA(20) PORT_PLAYER(1) PORT_CONDITION("BOARD_CONFIG", 0x02, EQUALS, 0x02)
+
+ PORT_START("MEM")
+ PORT_CONFNAME( 0x0f, 0x0a, "Extension memory" )
+ PORT_CONFSETTING( 0x00, DEF_STR( None ) )
+ PORT_CONFSETTING( 0x01, "32KB (PC-8012-02 x 1)" )
+ PORT_CONFSETTING( 0x02, "64KB (PC-8012-02 x 2)" )
+ PORT_CONFSETTING( 0x03, "128KB (PC-8012-02 x 4)" )
+ PORT_CONFSETTING( 0x04, "128KB (PC-8801-02N x 1)" )
+ PORT_CONFSETTING( 0x05, "256KB (PC-8801-02N x 2)" )
+ PORT_CONFSETTING( 0x06, "512KB (PC-8801-02N x 4)" )
+ PORT_CONFSETTING( 0x07, "1M (PIO-8234H-1M x 1)" )
+ PORT_CONFSETTING( 0x08, "2M (PIO-8234H-2M x 1)" )
+ PORT_CONFSETTING( 0x09, "4M (PIO-8234H-2M x 2)" )
+ PORT_CONFSETTING( 0x0a, "8M (PIO-8234H-2M x 4)" )
+ PORT_CONFSETTING( 0x0b, "1.1M (PIO-8234H-1M x 1 + PC-8801-02N x 1)" )
+ PORT_CONFSETTING( 0x0c, "2.1M (PIO-8234H-2M x 1 + PC-8801-02N x 1)" )
+ PORT_CONFSETTING( 0x0d, "4.1M (PIO-8234H-2M x 2 + PC-8801-02N x 1)" )
+
+ PORT_START("BOARD_CONFIG")
+ PORT_CONFNAME( 0x01, 0x01, "Sound Board" ) /* TODO: is it possible to have BOTH sound chips in there? */
+ PORT_CONFSETTING( 0x00, "OPN (YM2203)" )
+ PORT_CONFSETTING( 0x01, "OPNA (YM2608)" )
+ PORT_CONFNAME( 0x02, 0x00, "Port 1 Connection" )
+ PORT_CONFSETTING( 0x00, "Joystick" )
+ PORT_CONFSETTING( 0x02, "Mouse" )
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( pc88sr )
+ PORT_INCLUDE( pc8001 )
+
+ PORT_MODIFY("DSW1")
+ PORT_DIPNAME( 0x01, 0x01, "BASIC" )
+ PORT_DIPSETTING( 0x01, "N88-BASIC" )
+ PORT_DIPSETTING( 0x00, "N-BASIC" )
+INPUT_PORTS_END
+
+/* Graphics Layouts */
+
+static const gfx_layout char_layout =
+{
+ 8, 8,
+ RGN_FRAC(1,1),
+ 1,
+ { 0 },
+ { STEP8(0,1) },
+ { STEP8(0,8) },
+ 8*8
+};
+
+static const gfx_layout kanji_layout =
+{
+ 16, 16,
+ RGN_FRAC(1,1),
+ 1,
+ { 0 },
+ { STEP16(0,1) },
+ { STEP16(0,16) },
+ 16*16
+};
+
+/* debugging only */
+static GFXDECODE_START( pc8801 )
+ GFXDECODE_ENTRY( "cgrom", 0, char_layout, 0, 8 )
+ GFXDECODE_ENTRY( "kanji", 0, kanji_layout, 0, 8 )
+GFXDECODE_END
+
+/* Floppy Configuration */
+
+static SLOT_INTERFACE_START( pc88_floppies )
+ SLOT_INTERFACE( "525hd", FLOPPY_525_HD )
+SLOT_INTERFACE_END
+
+#if 0
+/* Cassette Configuration */
+
+static const cassette_interface pc88_cassette_interface =
+{
+ cassette_default_formats, // we need T88 format support!
+ NULL,
+ (cassette_state)(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_MUTED),
+ "pc8801_cass"
+};
+#endif
+
+#ifdef USE_PROPER_I8214
+void pc8801_state::pc8801_raise_irq(UINT8 irq,UINT8 state)
+{
+ if(state)
+ {
+ drvm_int_state |= irq;
+
+ drvm_pic->r_w(~irq);
+
+ m_maincpu->set_input_line(0,ASSERT_LINE);
+ }
+ else
+ {
+ //drvm_int_state &= ~irq;
+
+ //m_maincpu->set_input_line(0,CLEAR_LINE);
+ }
+}
+
+WRITE_LINE_MEMBER(pc8801_state::pic_int_w)
+{
+ device_t *device = m_maincpu;
+// if (state == ASSERT_LINE)
+// {
+// }
+}
+
+WRITE_LINE_MEMBER(pc8801_state::pic_enlg_w)
+{
+ device_t *device = m_maincpu;
+ //if (state == CLEAR_LINE)
+ //{
+ //}
+}
+
+static I8214_INTERFACE( pic_intf )
+{
+ DEVCB_DRIVER_LINE_MEMBER(pc8801_state,pic_int_w),
+ DEVCB_DRIVER_LINE_MEMBER(pc8801_state,pic_enlg_w)
+};
+
+IRQ_CALLBACK_MEMBER(pc8801_state::pc8801_irq_callback)
+{
+ UINT8 vector = (7 - m_pic->a_r());
+
+ m_int_state &= ~(1<<vector);
+ m_maincpu->set_input_line(0,CLEAR_LINE);
+
+ return vector << 1;
+}
+
+WRITE_LINE_MEMBER(pc8801_state::pc8801_sound_irq)
+{
+ if(m_sound_irq_mask && state)
+ pc8801_raise_irq(machine(),1<<(4),1);
+}
+
+/*
+TIMER_DEVICE_CALLBACK_MEMBER(pc8801_state::pc8801_rtc_irq)
+{
+ if(m_timer_irq_mask)
+ pc8801_raise_irq(machine(),1<<(2),1);
+}
+*/
+
+INTERRUPT_GEN_MEMBER(pc8801_state::pc8801_vrtc_irq)
+{
+ if(m_vblank_irq_mask)
+ pc8801_raise_irq(machine(),1<<(1),1);
+}
+
+#else
+
+#include "debugger.h"
+
+IRQ_CALLBACK_MEMBER(pc8801_state::pc8801_irq_callback)
+{
+ if(m_sound_irq_latch)
+ {
+ m_sound_irq_latch = 0;
+ return 4*2;
+ }
+ else if(m_vrtc_irq_latch)
+ {
+ m_vrtc_irq_latch = 0;
+ return 1*2;
+ }
+ else if(m_timer_irq_latch)
+ {
+ m_timer_irq_latch = 0;
+ return 2*2;
+ }
+
+ printf("IRQ triggered but no vector on the bus! %02x %02x %02x %02x\n",m_i8214_irq_level,m_sound_irq_latch,m_vrtc_irq_latch,m_timer_irq_latch);
+ debugger_break(machine());
+
+ return 4*2; //TODO: mustn't happen
+}
+
+WRITE_LINE_MEMBER(pc8801_state::pc8801_sound_irq)
+{
+// printf("%02x %02x %02x\n",m_sound_irq_mask,m_i8214_irq_level,state);
+ /* TODO: correct i8214 irq level? */
+ if(state)
+ {
+ if(m_sound_irq_mask)
+ {
+ m_sound_irq_latch = 1;
+ m_sound_irq_pending = 0;
+ //IRQ_LOG(("sound\n"));
+ m_maincpu->set_input_line(0,HOLD_LINE);
+ }
+ else
+ m_sound_irq_pending = 1;
+ }
+}
+
+TIMER_DEVICE_CALLBACK_MEMBER(pc8801_state::pc8801_rtc_irq)
+{
+ if(m_timer_irq_mask && m_i8214_irq_level >= 3)
+ {
+ m_timer_irq_latch = 1;
+ //IRQ_LOG(("timer\n"));
+ m_maincpu->set_input_line(0,HOLD_LINE);
+ }
+}
+
+INTERRUPT_GEN_MEMBER(pc8801_state::pc8801_vrtc_irq)
+{
+ if(m_vrtc_irq_mask && m_i8214_irq_level >= 2)
+ {
+ m_vrtc_irq_latch = 1;
+ //IRQ_LOG(("vrtc\n"));
+ m_maincpu->set_input_line(0,HOLD_LINE);
+ }
+}
+#endif
+
+void pc8801_state::machine_start()
+{
+ machine().device<floppy_connector>("upd765:0")->get_device()->set_rpm(300);
+ machine().device<floppy_connector>("upd765:1")->get_device()->set_rpm(300);
+ machine().device<upd765a_device>("upd765")->set_rate(250000);
+
+ m_rtc->cs_w(1);
+ m_rtc->oe_w(1);
+
+ m_work_ram = auto_alloc_array_clear(machine(), UINT8, 0x10000);
+ m_hi_work_ram = auto_alloc_array_clear(machine(), UINT8, 0x1000);
+ m_ext_work_ram = auto_alloc_array_clear(machine(), UINT8, 0x8000*0x100);
+ m_gvram = auto_alloc_array_clear(machine(), UINT8, 0xc000);
+ m_n80rom = memregion("n80rom")->base();
+ m_n88rom = memregion("n88rom")->base();
+ m_kanji_rom = memregion("kanji")->base();
+ m_cg_rom = memregion("cgrom")->base();
+
+ save_pointer(NAME(m_work_ram), 0x10000);
+ save_pointer(NAME(m_hi_work_ram), 0x1000);
+ save_pointer(NAME(m_ext_work_ram), 0x8000*0x100);
+ save_pointer(NAME(m_gvram), 0xc000);
+}
+
+void pc8801_state::machine_reset()
+{
+ #define kB 1024
+ #define MB 1024*1024
+ const UINT32 extram_type[] = { 0*kB, 32*kB,64*kB,128*kB,128*kB,256*kB,512*kB,1*MB,2*MB,4*MB,8*MB,1*MB+128*kB,2*MB+128*kB,4*MB+128*kB, 0*kB, 0*kB };
+ #undef kB
+ #undef MB
+
+ m_ext_rom_bank = 0xff;
+ m_gfx_ctrl = 0x31;
+ m_window_offset_bank = 0x80;
+ m_misc_ctrl = 0x80;
+ m_layer_mask = 0x00;
+ m_vram_sel = 3;
+
+// pc8801_dynamic_res_change(machine());
+
+ m_fdc_irq_opcode = 0; //TODO: copied from PC-88VA, could be wrong here ... should be 0x7f ld a,a in the latter case
+ m_mouse.phase = 0;
+
+ m_fdccpu->set_input_line_vector(0, 0);
+
+ {
+ m_txt_color = 2;
+ }
+
+ {
+ int i;
+
+ for(i=0;i<3;i++)
+ m_alu_reg[i] = 0x00;
+ }
+
+ {
+ m_crtc.param_count = 0;
+ m_crtc.cmd = 0;
+ m_crtc.status = 0;
+ }
+
+ m_beeper->set_frequency(2400);
+ m_beeper->set_state(0);
+
+ #ifdef USE_PROPER_I8214
+ {
+ /* initialize I8214 */
+ m_pic->etlg_w(1);
+ m_pic->inte_w(1);
+ }
+ #else
+ {
+ m_vrtc_irq_mask = 0;
+ m_vrtc_irq_latch = 0;
+ m_timer_irq_mask = 0;
+ m_timer_irq_latch = 0;
+ m_sound_irq_mask = 0;
+ m_sound_irq_latch = 0;
+ m_i8214_irq_level = 0;
+ m_sound_irq_pending = 0;
+ }
+ #endif
+
+ {
+ m_dma_address[2] = 0xf300;
+ }
+
+ {
+ m_extram_bank = 0;
+ m_extram_mode = 0;
+ }
+
+ {
+ int i;
+
+ for(i=0;i<0x10;i++) //text + bitmap
+ m_palette->set_pen_color(i, pal1bit(i >> 1), pal1bit(i >> 2), pal1bit(i >> 0));
+ }
+
+ m_has_clock_speed = 0;
+ m_has_dictionary = 0;
+ m_has_cdrom = 0;
+
+ m_extram_size = extram_type[ioport("MEM")->read() & 0x0f];
+ m_has_opna = ioport("BOARD_CONFIG")->read() & 1;
+}
+
+MACHINE_RESET_MEMBER(pc8801_state,pc8801_clock_speed)
+{
+ pc8801_state::machine_reset();
+ m_has_clock_speed = 1;
+ m_clock_setting = ioport("CFG")->read() & 0x80;
+
+ m_maincpu->set_unscaled_clock(m_clock_setting ? XTAL_4MHz : XTAL_8MHz);
+ m_fdccpu->set_unscaled_clock(m_clock_setting ? XTAL_4MHz : XTAL_8MHz); // correct?
+ m_baudrate_val = 0;
+}
+
+MACHINE_RESET_MEMBER(pc8801_state,pc8801_dic)
+{
+ MACHINE_RESET_CALL_MEMBER( pc8801_clock_speed );
+ m_has_dictionary = 1;
+ m_dic_bank = 0;
+ m_dic_ctrl = 0;
+}
+
+MACHINE_RESET_MEMBER(pc8801_state,pc8801_cdrom)
+{
+ MACHINE_RESET_CALL_MEMBER( pc8801_dic );
+ m_has_cdrom = 1;
+
+ {
+ int i;
+
+ for(i=0;i<0x10;i++)
+ m_cdrom_reg[i] = 0;
+ }
+}
+
+PALETTE_INIT_MEMBER(pc8801_state, pc8801)
+{
+ int i;
+
+ for(i=0;i<0x10;i++) //text + bitmap
+ palette.set_pen_color(i, pal1bit(i >> 1), pal1bit(i >> 2), pal1bit(i >> 0));
+}
+
+/* YM2203 Interface */
+
+READ8_MEMBER(pc8801_state::opn_porta_r)
+{
+ if(ioport("BOARD_CONFIG")->read() & 2)
+ {
+ UINT8 shift,res;
+
+ shift = (m_mouse.phase & 1) ? 0 : 4;
+ res = (m_mouse.phase & 2) ? m_mouse.y : m_mouse.x;
+
+// printf("%d\n",m_mouse.phase);
+
+ return ((res >> shift) & 0x0f) | 0xf0;
+ }
+
+ return ioport("OPN_PA")->read();
+}
+READ8_MEMBER(pc8801_state::opn_portb_r){ return ioport("OPN_PB")->read(); }
+
+/* Cassette Configuration */
+WRITE_LINE_MEMBER( pc8801_state::txdata_callback )
+{
+ //m_cass->output( (state) ? 0.8 : -0.8);
+}
+
+WRITE_LINE_MEMBER( pc8801_state::rxrdy_w )
+{
+ // ...
+}
+
+static MACHINE_CONFIG_START( pc8801, pc8801_state )
+ /* main CPU */
+ MCFG_CPU_ADD("maincpu", Z80, MASTER_CLOCK) /* 4 MHz */
+ MCFG_CPU_PROGRAM_MAP(pc8801_mem)
+ MCFG_CPU_IO_MAP(pc8801_io)
+ MCFG_CPU_VBLANK_INT_DRIVER("screen", pc8801_state, pc8801_vrtc_irq)
+ MCFG_CPU_IRQ_ACKNOWLEDGE_DRIVER(pc8801_state,pc8801_irq_callback)
+
+ /* sub CPU(5 inch floppy drive) */
+ MCFG_CPU_ADD("fdccpu", Z80, MASTER_CLOCK) /* 4 MHz */
+ MCFG_CPU_PROGRAM_MAP(pc8801fdc_mem)
+ MCFG_CPU_IO_MAP(pc8801fdc_io)
+
+ //MCFG_QUANTUM_TIME(attotime::from_hz(300000))
+ MCFG_QUANTUM_PERFECT_CPU("maincpu")
+
+ MCFG_DEVICE_ADD("d8255_master", I8255, 0)
+ MCFG_I8255_IN_PORTA_CB(DEVREAD8("d8255_slave", i8255_device, pb_r))
+ MCFG_I8255_IN_PORTB_CB(DEVREAD8("d8255_slave", i8255_device, pa_r))
+ MCFG_I8255_IN_PORTC_CB(READ8(pc8801_state, cpu_8255_c_r))
+ MCFG_I8255_OUT_PORTC_CB(WRITE8(pc8801_state, cpu_8255_c_w))
+
+ MCFG_DEVICE_ADD("d8255_slave", I8255, 0)
+ MCFG_I8255_IN_PORTA_CB(DEVREAD8("d8255_master", i8255_device, pb_r))
+ MCFG_I8255_IN_PORTB_CB(DEVREAD8("d8255_master", i8255_device, pa_r))
+ MCFG_I8255_IN_PORTC_CB(READ8(pc8801_state, fdc_8255_c_r))
+ MCFG_I8255_OUT_PORTC_CB(WRITE8(pc8801_state, fdc_8255_c_w))
+
+ MCFG_UPD765A_ADD("upd765", true, true)
+ MCFG_UPD765_INTRQ_CALLBACK(INPUTLINE("fdccpu", INPUT_LINE_IRQ0))
+
+ #ifdef USE_PROPER_I8214
+ MCFG_I8214_ADD(I8214_TAG, MASTER_CLOCK, pic_intf)
+ #endif
+ MCFG_UPD1990A_ADD(UPD1990A_TAG, XTAL_32_768kHz, NULL, NULL)
+ //MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer")
+ MCFG_CASSETTE_ADD("cassette")
+ MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_MUTED)
+
+ MCFG_SOFTWARE_LIST_ADD("tape_list","pc8801_cass")
+
+ MCFG_DEVICE_ADD(I8251_TAG, I8251, 0)
+ MCFG_I8251_TXD_HANDLER(WRITELINE(pc8801_state, txdata_callback))
+ MCFG_I8251_RTS_HANDLER(WRITELINE(pc8801_state, rxrdy_w))
+
+ MCFG_FLOPPY_DRIVE_ADD("upd765:0", pc88_floppies, "525hd", floppy_image_device::default_floppy_formats)
+ MCFG_FLOPPY_DRIVE_ADD("upd765:1", pc88_floppies, "525hd", floppy_image_device::default_floppy_formats)
+ MCFG_SOFTWARE_LIST_ADD("disk_list","pc8801_flop")
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_RAW_PARAMS(PIXEL_CLOCK_24KHz,848,0,640,448,0,400)
+ MCFG_SCREEN_UPDATE_DRIVER(pc8801_state, screen_update)
+ MCFG_SCREEN_PALETTE("palette")
+
+ MCFG_GFXDECODE_ADD("gfxdecode", "palette", pc8801 )
+ MCFG_PALETTE_ADD("palette", 0x10)
+ MCFG_PALETTE_INIT_OWNER(pc8801_state, pc8801)
+
+// MCFG_VIDEO_START_OVERRIDE(pc8801_state,pc8801)
+
+ /* sound hardware */
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+ MCFG_SOUND_ADD("opn", YM2203, MASTER_CLOCK)
+ MCFG_YM2203_IRQ_HANDLER(WRITELINE(pc8801_state, pc8801_sound_irq))
+ MCFG_AY8910_PORT_A_READ_CB(READ8(pc8801_state, opn_porta_r))
+ MCFG_AY8910_PORT_B_READ_CB(READ8(pc8801_state, opn_portb_r))
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
+
+ MCFG_SOUND_ADD("opna", YM2608, MASTER_CLOCK*2)
+ MCFG_YM2608_IRQ_HANDLER(WRITELINE(pc8801_state, pc8801_sound_irq))
+ MCFG_AY8910_PORT_A_READ_CB(READ8(pc8801_state, opn_porta_r))
+ MCFG_AY8910_PORT_B_READ_CB(READ8(pc8801_state, opn_portb_r))
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
+
+ MCFG_SOUND_ADD("beeper", BEEP, 0)
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.10)
+
+ MCFG_TIMER_DRIVER_ADD_PERIODIC("rtc_timer", pc8801_state, pc8801_rtc_irq, attotime::from_hz(600))
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( pc8801fh, pc8801 )
+ MCFG_MACHINE_RESET_OVERRIDE(pc8801_state, pc8801_clock_speed )
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( pc8801ma, pc8801 )
+ MCFG_MACHINE_RESET_OVERRIDE(pc8801_state, pc8801_dic )
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED( pc8801mc, pc8801 )
+ MCFG_MACHINE_RESET_OVERRIDE(pc8801_state, pc8801_cdrom )
+MACHINE_CONFIG_END
+
+
+/* TODO: clean this up */
+#define PC8801_MEM_LOAD \
+ ROM_REGION( 0x100000, "opna", ROMREGION_ERASE00 )
+
+
+ROM_START( pc8801 )
+ PC8801_MEM_LOAD
+
+ ROM_REGION( 0x8000, "n80rom", ROMREGION_ERASEFF ) // 1.2
+ ROM_LOAD( "n80.rom", 0x0000, 0x8000, CRC(5cb8b584) SHA1(063609dd518c124a4fc9ba35d1bae35771666a34) )
+
+ ROM_REGION( 0x10000, "n88rom", ROMREGION_ERASEFF ) // 1.0
+ ROM_LOAD( "n88.rom", 0x0000, 0x8000, CRC(ffd68be0) SHA1(3518193b8207bdebf22c1380c2db8c554baff329) )
+ ROM_LOAD( "n88_0.rom", 0x8000, 0x2000, CRC(61984bab) SHA1(d1ae642aed4f0584eeb81ff50180db694e5101d4) )
+
+ ROM_REGION( 0x10000, "fdccpu", 0)
+ ROM_LOAD( "disk.rom", 0x0000, 0x0800, CRC(2158d307) SHA1(bb7103a0818850a039c67ff666a31ce49a8d516f) )
+
+ ROM_REGION( 0x40000, "kanji", ROMREGION_ERASEFF)
+ ROM_LOAD_OPTIONAL( "kanji1.rom", 0x00000, 0x20000, CRC(6178bd43) SHA1(82e11a177af6a5091dd67f50a2f4bafda84d6556) )
+
+ ROM_REGION( 0x800, "cgrom", 0)
+ ROM_LOAD( "font.rom", 0x0000, 0x0800, CRC(56653188) SHA1(84b90f69671d4b72e8f219e1fe7cd667e976cf7f) )
+ROM_END
+
+/* The dump only included "maincpu". Other roms arbitrariely taken from PC-8801 & PC-8801 MkIISR (there should be
+at least 1 Kanji ROM). */
+ROM_START( pc8801mk2 )
+ PC8801_MEM_LOAD
+
+ ROM_REGION( 0x8000, "n80rom", ROMREGION_ERASEFF ) // 1.4
+ ROM_LOAD( "m2_n80.rom", 0x0000, 0x8000, CRC(91d84b1a) SHA1(d8a1abb0df75936b3fc9d226ccdb664a9070ffb1) )
+
+ ROM_REGION( 0x10000, "n88rom", ROMREGION_ERASEFF ) //1.3
+ ROM_LOAD( "m2_n88.rom", 0x0000, 0x8000, CRC(f35169eb) SHA1(ef1f067f819781d9fb2713836d195866f0f81501) )
+ ROM_LOAD( "m2_n88_0.rom", 0x8000, 0x2000, CRC(5eb7a8d0) SHA1(95a70af83b0637a5a0f05e31fb0452bb2cb68055) )
+
+ ROM_REGION( 0x10000, "fdccpu", 0)
+ ROM_LOAD( "disk.rom", 0x0000, 0x0800, CRC(2158d307) SHA1(bb7103a0818850a039c67ff666a31ce49a8d516f) )
+
+ ROM_REGION( 0x40000, "kanji", ROMREGION_ERASEFF)
+ ROM_LOAD_OPTIONAL( "kanji1.rom", 0x00000, 0x20000, CRC(6178bd43) SHA1(82e11a177af6a5091dd67f50a2f4bafda84d6556) )
+
+ ROM_REGION( 0x800, "cgrom", 0)
+ ROM_COPY( "kanji", 0x1000, 0x0000, 0x800 )
+ROM_END
+
+ROM_START( pc8801mk2sr )
+ PC8801_MEM_LOAD
+
+ ROM_REGION( 0x8000, "n80rom", ROMREGION_ERASEFF ) // 1.5
+ ROM_LOAD( "mk2sr_n80.rom", 0x0000, 0x8000, CRC(27e1857d) SHA1(5b922ed9de07d2a729bdf1da7b57c50ddf08809a) )
+
+ ROM_REGION( 0x10000, "n88rom", ROMREGION_ERASEFF ) // 2.0
+ ROM_LOAD( "mk2sr_n88.rom", 0x0000, 0x8000, CRC(a0fc0473) SHA1(3b31fc68fa7f47b21c1a1cb027b86b9e87afbfff) )
+ ROM_LOAD( "mk2sr_n88_0.rom", 0x8000, 0x2000, CRC(710a63ec) SHA1(d239c26ad7ac5efac6e947b0e9549b1534aa970d) )
+ ROM_LOAD( "n88_1.rom", 0xa000, 0x2000, CRC(c0bd2aa6) SHA1(8528eef7946edf6501a6ccb1f416b60c64efac7c) )
+ ROM_LOAD( "n88_2.rom", 0xc000, 0x2000, CRC(af2b6efa) SHA1(b7c8bcea219b77d9cc3ee0efafe343cc307425d1) )
+ ROM_LOAD( "n88_3.rom", 0xe000, 0x2000, CRC(7713c519) SHA1(efce0b51cab9f0da6cf68507757f1245a2867a72) )
+
+ ROM_REGION( 0x10000, "fdccpu", 0)
+ ROM_LOAD( "disk.rom", 0x0000, 0x0800, CRC(2158d307) SHA1(bb7103a0818850a039c67ff666a31ce49a8d516f) )
+
+ /* No idea of the proper size: it has never been dumped */
+ ROM_REGION( 0x2000, "audiocpu", 0)
+ ROM_LOAD( "soundbios.rom", 0x0000, 0x2000, NO_DUMP )
+
+ ROM_REGION( 0x40000, "kanji", 0)
+ ROM_LOAD( "kanji1.rom", 0x00000, 0x20000, CRC(6178bd43) SHA1(82e11a177af6a5091dd67f50a2f4bafda84d6556) )
+ ROM_LOAD( "kanji2.rom", 0x20000, 0x20000, CRC(154803cc) SHA1(7e6591cd465cbb35d6d3446c5a83b46d30fafe95) ) // it should not be here
+
+ ROM_REGION( 0x800, "cgrom", 0)
+ ROM_COPY( "kanji", 0x1000, 0x0000, 0x800 )
+ROM_END
+
+ROM_START( pc8801mk2fr )
+ PC8801_MEM_LOAD
+
+ ROM_REGION( 0x8000, "n80rom", ROMREGION_ERASEFF ) // 1.5
+ ROM_LOAD( "m2fr_n80.rom", 0x0000, 0x8000, CRC(27e1857d) SHA1(5b922ed9de07d2a729bdf1da7b57c50ddf08809a) )
+
+ ROM_REGION( 0x10000, "n88rom", ROMREGION_ERASEFF ) // 2.1
+ ROM_LOAD( "m2fr_n88.rom", 0x0000, 0x8000, CRC(b9daf1aa) SHA1(696a480232bcf8c827c7aeea8329db5c44420d2a) )
+ ROM_LOAD( "m2fr_n88_0.rom", 0x8000, 0x2000, CRC(710a63ec) SHA1(d239c26ad7ac5efac6e947b0e9549b1534aa970d) )
+ ROM_LOAD( "m2fr_n88_1.rom", 0xa000, 0x2000, CRC(e3e78a37) SHA1(85ecd287fe72b56e54c8b01ea7492ca4a69a7470) )
+ ROM_LOAD( "m2fr_n88_2.rom", 0xc000, 0x2000, CRC(98c3a7b2) SHA1(fc4980762d3caa56964d0ae583424756f511d186) )
+ ROM_LOAD( "m2fr_n88_3.rom", 0xe000, 0x2000, CRC(0ca08abd) SHA1(a5a42d0b7caa84c3bc6e337c9f37874d82f9c14b) )
+
+ ROM_REGION( 0x10000, "fdccpu", 0)
+ ROM_LOAD( "m2fr_disk.rom", 0x0000, 0x0800, CRC(2163b304) SHA1(80da2dee49d4307f00895a129a5cfeff00cf5321) )
+
+ /* No idea of the proper size: it has never been dumped */
+ ROM_REGION( 0x2000, "audiocpu", 0)
+ ROM_LOAD( "soundbios.rom", 0x0000, 0x2000, NO_DUMP )
+
+ ROM_REGION( 0x40000, "kanji", 0)
+ ROM_LOAD( "kanji1.rom", 0x00000, 0x20000, CRC(6178bd43) SHA1(82e11a177af6a5091dd67f50a2f4bafda84d6556) )
+
+ ROM_REGION( 0x800, "cgrom", 0)
+ ROM_COPY( "kanji", 0x1000, 0x0000, 0x800 )
+ROM_END
+
+ROM_START( pc8801mk2mr )
+ PC8801_MEM_LOAD
+
+ ROM_REGION( 0x8000, "n80rom", ROMREGION_ERASEFF ) // 1.8
+ ROM_LOAD( "m2mr_n80.rom", 0x0000, 0x8000, CRC(f074b515) SHA1(ebe9cf4cf57f1602c887f609a728267f8d953dce) )
+
+ ROM_REGION( 0x10000, "n88rom", ROMREGION_ERASEFF ) // 2.2
+ ROM_LOAD( "m2mr_n88.rom", 0x0000, 0x8000, CRC(69caa38e) SHA1(3c64090237152ee77c76e04d6f36bad7297bea93) )
+ ROM_LOAD( "m2mr_n88_0.rom", 0x8000, 0x2000, CRC(710a63ec) SHA1(d239c26ad7ac5efac6e947b0e9549b1534aa970d) )
+ ROM_LOAD( "m2mr_n88_1.rom", 0xa000, 0x2000, CRC(e3e78a37) SHA1(85ecd287fe72b56e54c8b01ea7492ca4a69a7470) )
+ ROM_LOAD( "m2mr_n88_2.rom", 0xc000, 0x2000, CRC(11176e0b) SHA1(f13f14f3d62df61498a23f7eb624e1a646caea45) )
+ ROM_LOAD( "m2mr_n88_3.rom", 0xe000, 0x2000, CRC(0ca08abd) SHA1(a5a42d0b7caa84c3bc6e337c9f37874d82f9c14b) )
+
+ ROM_REGION( 0x10000, "fdccpu", 0)
+ ROM_LOAD( "m2mr_disk.rom", 0x0000, 0x2000, CRC(2447516b) SHA1(1492116f15c426f9796dc2bb6fcccf2656c0ca75) )
+
+ /* No idea of the proper size: it has never been dumped */
+ ROM_REGION( 0x2000, "audiocpu", 0)
+ ROM_LOAD( "soundbios.rom", 0x0000, 0x2000, NO_DUMP )
+
+ ROM_REGION( 0x40000, "kanji", 0)
+ ROM_LOAD( "kanji1.rom", 0x00000, 0x20000, CRC(6178bd43) SHA1(82e11a177af6a5091dd67f50a2f4bafda84d6556) )
+ ROM_LOAD( "m2mr_kanji2.rom", 0x20000, 0x20000, CRC(376eb677) SHA1(bcf96584e2ba362218b813be51ea21573d1a2a78) )
+
+ ROM_REGION( 0x800, "cgrom", 0)
+ ROM_COPY( "kanji", 0x1000, 0x0000, 0x800 )
+ROM_END
+
+ROM_START( pc8801mh )
+ PC8801_MEM_LOAD
+
+ ROM_REGION( 0x8000, "n80rom", ROMREGION_ERASEFF ) // 1.8, but different BIOS code?
+ ROM_LOAD( "mh_n80.rom", 0x0000, 0x8000, CRC(8a2a1e17) SHA1(06dae1db384aa29d81c5b6ed587877e7128fcb35) )
+
+ ROM_REGION( 0x10000, "n88rom", ROMREGION_ERASEFF ) // 2.3
+ ROM_LOAD( "mh_n88.rom", 0x0000, 0x8000, CRC(64c5d162) SHA1(3e0aac76fb5d7edc99df26fa9f365fd991742a5d) )
+ ROM_LOAD( "mh_n88_0.rom", 0x8000, 0x2000, CRC(deb384fb) SHA1(5f38cafa8aab16338038c82267800446fd082e79) )
+ ROM_LOAD( "mh_n88_1.rom", 0xa000, 0x2000, CRC(7ad5d943) SHA1(4ae4d37409ff99411a623da9f6a44192170a854e) )
+ ROM_LOAD( "mh_n88_2.rom", 0xc000, 0x2000, CRC(6aa6b6d8) SHA1(2a077ab444a4fd1470cafb06fd3a0f45420c39cc) )
+ ROM_LOAD( "mh_n88_3.rom", 0xe000, 0x2000, CRC(692cbcd8) SHA1(af452aed79b072c4d17985830b7c5dca64d4b412) )
+
+ ROM_REGION( 0x10000, "fdccpu", 0)
+ ROM_LOAD( "mh_disk.rom", 0x0000, 0x2000, CRC(a222ecf0) SHA1(79e9c0786a14142f7a83690bf41fb4f60c5c1004) )
+
+ /* No idea of the proper size: it has never been dumped */
+ ROM_REGION( 0x2000, "audiocpu", 0)
+ ROM_LOAD( "soundbios.rom", 0x0000, 0x2000, NO_DUMP )
+
+ ROM_REGION( 0x40000, "kanji", 0)
+ ROM_LOAD( "kanji1.rom", 0x00000, 0x20000, CRC(6178bd43) SHA1(82e11a177af6a5091dd67f50a2f4bafda84d6556) )
+ ROM_LOAD( "mh_kanji2.rom", 0x20000, 0x20000, CRC(376eb677) SHA1(bcf96584e2ba362218b813be51ea21573d1a2a78) )
+
+ ROM_REGION( 0x800, "cgrom", 0)
+ ROM_COPY( "kanji", 0x1000, 0x0000, 0x0800 )
+ROM_END
+
+ROM_START( pc8801fa )
+ PC8801_MEM_LOAD
+
+ ROM_REGION( 0x8000, "n80rom", ROMREGION_ERASEFF ) // 1.8, but different BIOS code?
+ ROM_LOAD( "fa_n80.rom", 0x0000, 0x8000, CRC(8a2a1e17) SHA1(06dae1db384aa29d81c5b6ed587877e7128fcb35) )
+
+ ROM_REGION( 0x10000, "n88rom", ROMREGION_ERASEFF ) // 2.3 but different BIOS code?
+ ROM_LOAD( "fa_n88.rom", 0x0000, 0x8000, CRC(73573432) SHA1(9b1346d44044eeea921c4cce69b5dc49dbc0b7e9) )
+ ROM_LOAD( "fa_n88_0.rom", 0x8000, 0x2000, CRC(a72697d7) SHA1(5aedbc5916d67ef28767a2b942864765eea81bb8) )
+ ROM_LOAD( "fa_n88_1.rom", 0xa000, 0x2000, CRC(7ad5d943) SHA1(4ae4d37409ff99411a623da9f6a44192170a854e) )
+ ROM_LOAD( "fa_n88_2.rom", 0xc000, 0x2000, CRC(6aee9a4e) SHA1(e94278682ef9e9bbb82201f72c50382748dcea2a) )
+ ROM_LOAD( "fa_n88_3.rom", 0xe000, 0x2000, CRC(692cbcd8) SHA1(af452aed79b072c4d17985830b7c5dca64d4b412) )
+
+ ROM_REGION( 0x10000, "fdccpu", 0)
+ ROM_LOAD( "fa_disk.rom", 0x0000, 0x0800, CRC(2163b304) SHA1(80da2dee49d4307f00895a129a5cfeff00cf5321) )
+
+ /* No idea of the proper size: it has never been dumped */
+ ROM_REGION( 0x2000, "audiocpu", 0)
+ ROM_LOAD( "soundbios.rom", 0x0000, 0x2000, NO_DUMP )
+
+ ROM_REGION( 0x40000, "kanji", 0 )
+ ROM_LOAD( "kanji1.rom", 0x00000, 0x20000, CRC(6178bd43) SHA1(82e11a177af6a5091dd67f50a2f4bafda84d6556) )
+ ROM_LOAD( "fa_kanji2.rom", 0x20000, 0x20000, CRC(376eb677) SHA1(bcf96584e2ba362218b813be51ea21573d1a2a78) )
+
+ ROM_REGION( 0x800, "cgrom", 0)
+ ROM_COPY( "kanji", 0x1000, 0x0000, 0x0800 )
+ROM_END
+
+ROM_START( pc8801ma ) // newer floppy BIOS and Jisyo (dictionary) ROM
+ PC8801_MEM_LOAD
+
+ ROM_REGION( 0x8000, "n80rom", ROMREGION_ERASEFF ) // 1.8, but different BIOS code?
+ ROM_LOAD( "ma_n80.rom", 0x0000, 0x8000, CRC(8a2a1e17) SHA1(06dae1db384aa29d81c5b6ed587877e7128fcb35) )
+
+ ROM_REGION( 0x10000, "n88rom", ROMREGION_ERASEFF ) // 2.3 but different BIOS code?
+ ROM_LOAD( "ma_n88.rom", 0x0000, 0x8000, CRC(73573432) SHA1(9b1346d44044eeea921c4cce69b5dc49dbc0b7e9) )
+ ROM_LOAD( "ma_n88_0.rom", 0x8000, 0x2000, CRC(a72697d7) SHA1(5aedbc5916d67ef28767a2b942864765eea81bb8) )
+ ROM_LOAD( "ma_n88_1.rom", 0xa000, 0x2000, CRC(7ad5d943) SHA1(4ae4d37409ff99411a623da9f6a44192170a854e) )
+ ROM_LOAD( "ma_n88_2.rom", 0xc000, 0x2000, CRC(6aee9a4e) SHA1(e94278682ef9e9bbb82201f72c50382748dcea2a) )
+ ROM_LOAD( "ma_n88_3.rom", 0xe000, 0x2000, CRC(692cbcd8) SHA1(af452aed79b072c4d17985830b7c5dca64d4b412) )
+
+ ROM_REGION( 0x10000, "fdccpu", 0)
+ ROM_LOAD( "ma_disk.rom", 0x0000, 0x2000, CRC(a222ecf0) SHA1(79e9c0786a14142f7a83690bf41fb4f60c5c1004) )
+
+ /* No idea of the proper size: it has never been dumped */
+ ROM_REGION( 0x2000, "audiocpu", 0)
+ ROM_LOAD( "soundbios.rom", 0x0000, 0x2000, NO_DUMP )
+
+ ROM_REGION( 0x40000, "kanji", 0 )
+ ROM_LOAD( "kanji1.rom", 0x00000, 0x20000, CRC(6178bd43) SHA1(82e11a177af6a5091dd67f50a2f4bafda84d6556) )
+ ROM_LOAD( "ma_kanji2.rom", 0x20000, 0x20000, CRC(376eb677) SHA1(bcf96584e2ba362218b813be51ea21573d1a2a78) )
+
+ ROM_REGION( 0x800, "cgrom", 0)
+ ROM_COPY( "kanji", 0x1000, 0x0000, 0x0800 )
+
+ /* 32 banks, to be loaded at 0xc000 - 0xffff */
+ ROM_REGION( 0x80000, "dictionary", 0 )
+ ROM_LOAD( "ma_jisyo.rom", 0x00000, 0x80000, CRC(a6108f4d) SHA1(3665db538598abb45d9dfe636423e6728a812b12) )
+ROM_END
+
+ROM_START( pc8801ma2 )
+ PC8801_MEM_LOAD
+
+ ROM_REGION( 0x8000, "n80rom", ROMREGION_ERASEFF ) // 1.8
+ ROM_LOAD( "ma2_n80.rom", 0x0000, 0x8000, CRC(8a2a1e17) SHA1(06dae1db384aa29d81c5b6ed587877e7128fcb35) )
+
+ ROM_REGION( 0x10000, "n88rom", ROMREGION_ERASEFF ) // 2.3 (2.31?)
+ ROM_LOAD( "ma2_n88.rom", 0x0000, 0x8000, CRC(ae1a6ebc) SHA1(e53d628638f663099234e07837ffb1b0f86d480d) )
+ ROM_LOAD( "ma2_n88_0.rom", 0x8000, 0x2000, CRC(a72697d7) SHA1(5aedbc5916d67ef28767a2b942864765eea81bb8) )
+ ROM_LOAD( "ma2_n88_1.rom", 0xa000, 0x2000, CRC(7ad5d943) SHA1(4ae4d37409ff99411a623da9f6a44192170a854e) )
+ ROM_LOAD( "ma2_n88_2.rom", 0xc000, 0x2000, CRC(1d6277b6) SHA1(dd9c3e50169b75bb707ef648f20d352e6a8bcfe4) )
+ ROM_LOAD( "ma2_n88_3.rom", 0xe000, 0x2000, CRC(692cbcd8) SHA1(af452aed79b072c4d17985830b7c5dca64d4b412) )
+
+ ROM_REGION( 0x10000, "fdccpu", 0)
+ ROM_LOAD( "ma2_disk.rom", 0x0000, 0x2000, CRC(a222ecf0) SHA1(79e9c0786a14142f7a83690bf41fb4f60c5c1004) )
+
+ /* No idea of the proper size: it has never been dumped */
+ ROM_REGION( 0x2000, "audiocpu", 0)
+ ROM_LOAD( "soundbios.rom", 0x0000, 0x2000, NO_DUMP )
+
+ ROM_REGION( 0x40000, "kanji", 0)
+ ROM_LOAD( "kanji1.rom", 0x00000, 0x20000, CRC(6178bd43) SHA1(82e11a177af6a5091dd67f50a2f4bafda84d6556) )
+ ROM_LOAD( "ma2_kanji2.rom", 0x20000, 0x20000, CRC(376eb677) SHA1(bcf96584e2ba362218b813be51ea21573d1a2a78) )
+
+ ROM_REGION( 0x800, "cgrom", 0)
+ ROM_COPY( "kanji", 0x1000, 0x0000, 0x0800 )
+
+ ROM_REGION( 0x80000, "dictionary", 0 )
+ ROM_LOAD( "ma2_jisyo.rom", 0x00000, 0x80000, CRC(856459af) SHA1(06241085fc1d62d4b2968ad9cdbdadc1e7d7990a) )
+ROM_END
+
+ROM_START( pc8801mc )
+ PC8801_MEM_LOAD
+
+ ROM_REGION( 0x08000, "n80rom", ROMREGION_ERASEFF ) // 1.8
+ ROM_LOAD( "mc_n80.rom", 0x0000, 0x8000, CRC(8a2a1e17) SHA1(06dae1db384aa29d81c5b6ed587877e7128fcb35) )
+
+ ROM_REGION( 0x10000, "n88rom", ROMREGION_ERASEFF ) // 2.3 (2.33?)
+ ROM_LOAD( "mc_n88.rom", 0x0000, 0x8000, CRC(356d5719) SHA1(5d9ba80d593a5119f52aae1ccd61a1457b4a89a1) )
+ ROM_LOAD( "mc_n88_0.rom", 0x8000, 0x2000, CRC(a72697d7) SHA1(5aedbc5916d67ef28767a2b942864765eea81bb8) )
+ ROM_LOAD( "mc_n88_1.rom", 0xa000, 0x2000, CRC(7ad5d943) SHA1(4ae4d37409ff99411a623da9f6a44192170a854e) )
+ ROM_LOAD( "mc_n88_2.rom", 0xc000, 0x2000, CRC(1d6277b6) SHA1(dd9c3e50169b75bb707ef648f20d352e6a8bcfe4) )
+ ROM_LOAD( "mc_n88_3.rom", 0xe000, 0x2000, CRC(692cbcd8) SHA1(af452aed79b072c4d17985830b7c5dca64d4b412) )
+
+ ROM_REGION( 0x10000, "fdccpu", 0)
+ ROM_LOAD( "mc_disk.rom", 0x0000, 0x2000, CRC(a222ecf0) SHA1(79e9c0786a14142f7a83690bf41fb4f60c5c1004) )
+
+ ROM_REGION( 0x10000, "cdrom", 0 )
+ ROM_LOAD( "cdbios.rom", 0x0000, 0x10000, CRC(5c230221) SHA1(6394a8a23f44ea35fcfc3e974cf940bc8f84d62a) )
+
+ /* No idea of the proper size: it has never been dumped */
+ ROM_REGION( 0x2000, "audiocpu", 0)
+ ROM_LOAD( "soundbios.rom", 0x0000, 0x2000, NO_DUMP )
+
+ ROM_REGION( 0x40000, "kanji", 0 )
+ ROM_LOAD( "kanji1.rom", 0x00000, 0x20000, CRC(6178bd43) SHA1(82e11a177af6a5091dd67f50a2f4bafda84d6556) )
+ ROM_LOAD( "mc_kanji2.rom", 0x20000, 0x20000, CRC(376eb677) SHA1(bcf96584e2ba362218b813be51ea21573d1a2a78) )
+
+ ROM_REGION( 0x800, "cgrom", 0)
+ ROM_COPY( "kanji", 0x1000, 0x0000, 0x0800 )
+
+ ROM_REGION( 0x80000, "dictionary", 0 )
+ ROM_LOAD( "mc_jisyo.rom", 0x00000, 0x80000, CRC(bd6eb062) SHA1(deef0cc2a9734ba891a6d6c022aa70ffc66f783e) )
+ROM_END
+
+/* System Drivers */
+
+/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME */
+
+COMP( 1981, pc8801, 0, 0, pc8801, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-8801", MACHINE_NOT_WORKING )
+COMP( 1983, pc8801mk2, pc8801, 0, pc8801, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-8801mkII", MACHINE_NOT_WORKING )
+COMP( 1985, pc8801mk2sr, pc8801, 0, pc8801, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-8801mkIISR", MACHINE_NOT_WORKING )
+//COMP( 1985, pc8801mk2tr, pc8801, 0, pc8801, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-8801mkIITR", MACHINE_NOT_WORKING )
+COMP( 1985, pc8801mk2fr, pc8801, 0, pc8801, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-8801mkIIFR", MACHINE_NOT_WORKING )
+COMP( 1985, pc8801mk2mr, pc8801, 0, pc8801, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-8801mkIIMR", MACHINE_NOT_WORKING )
+
+//COMP( 1986, pc8801fh, 0, 0, pc8801, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-8801FH", MACHINE_NOT_WORKING )
+COMP( 1986, pc8801mh, pc8801, 0, pc8801fh, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-8801MH", MACHINE_NOT_WORKING )
+COMP( 1987, pc8801fa, pc8801, 0, pc8801fh, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-8801FA", MACHINE_NOT_WORKING )
+COMP( 1987, pc8801ma, pc8801, 0, pc8801ma, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-8801MA", MACHINE_NOT_WORKING )
+//COMP( 1988, pc8801fe, pc8801, 0, pc8801, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-8801FE", MACHINE_NOT_WORKING )
+COMP( 1988, pc8801ma2, pc8801, 0, pc8801ma, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-8801MA2", MACHINE_NOT_WORKING )
+//COMP( 1989, pc8801fe2, pc8801, 0, pc8801, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-8801FE2", MACHINE_NOT_WORKING )
+COMP( 1989, pc8801mc, pc8801, 0, pc8801mc, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-8801MC", MACHINE_NOT_WORKING )
+
+//COMP( 1989, pc98do, 0, 0, pc88va, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-98DO", MACHINE_NOT_WORKING )
+//COMP( 1990, pc98dop, 0, 0, pc88va, pc88sr, driver_device, 0, "Nippon Electronic Company", "PC-98DO+", MACHINE_NOT_WORKING )