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-rw-r--r--src/mame/drivers/multi8.cpp698
1 files changed, 0 insertions, 698 deletions
diff --git a/src/mame/drivers/multi8.cpp b/src/mame/drivers/multi8.cpp
deleted file mode 100644
index 576571d4da5..00000000000
--- a/src/mame/drivers/multi8.cpp
+++ /dev/null
@@ -1,698 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Angelo Salese
-/***************************************************************************
-
- Multi 8 (c) 1983 Mitsubishi
-
- preliminary driver by Angelo Salese
-
- TODO:
- - dunno how to trigger the text color mode in BASIC, I just modify
- $f0b1 to 1 for now
- - bitmap B/W mode is untested
- - keyboard
- - check cassette with real software
-
-****************************************************************************/
-
-#include "emu.h"
-#include "cpu/z80/z80.h"
-#include "machine/clock.h"
-#include "machine/i8251.h"
-#include "machine/pit8253.h"
-#include "machine/i8255.h"
-#include "machine/pic8259.h"
-#include "machine/timer.h"
-#include "machine/upd765.h"
-#include "imagedev/cassette.h"
-#include "sound/beep.h"
-#include "sound/ym2203.h"
-#include "video/mc6845.h"
-#include "emupal.h"
-#include "screen.h"
-#include "speaker.h"
-
-
-class multi8_state : public driver_device
-{
-public:
- multi8_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag)
- , m_maincpu(*this, "maincpu")
- , m_p_chargen(*this, "chargen")
- , m_ppi(*this, "ppi")
- , m_crtc(*this, "crtc")
- , m_uart(*this, "uart")
- , m_cass(*this, "cassette")
- , m_beeper(*this, "beeper")
- , m_palette(*this, "palette")
- , m_aysnd(*this, "aysnd")
- { }
-
- void multi8(machine_config &config);
-
-private:
- uint8_t key_input_r();
- uint8_t key_status_r();
- uint8_t vram_r(offs_t offset);
- void vram_w(offs_t offset, uint8_t data);
- uint8_t pal_r(offs_t offset);
- void pal_w(offs_t offset, uint8_t data);
- uint8_t kanji_r(offs_t offset);
- void kanji_w(offs_t offset, uint8_t data);
- uint8_t porta_r();
- void portb_w(uint8_t data);
- void portc_w(uint8_t data);
- void ym2203_porta_w(uint8_t data);
- uint8_t ay8912_0_r();
- uint8_t ay8912_1_r();
- TIMER_DEVICE_CALLBACK_MEMBER(keyboard_callback);
- TIMER_DEVICE_CALLBACK_MEMBER(kansas_r);
- DECLARE_WRITE_LINE_MEMBER(kansas_w);
- MC6845_UPDATE_ROW(crtc_update_row);
-
- void io_map(address_map &map);
- void mem_map(address_map &map);
-
- uint8_t *m_p_vram;
- uint8_t *m_p_wram;
- uint8_t *m_p_kanji;
- uint8_t m_mcu_init;
- uint8_t m_keyb_press;
- uint8_t m_keyb_press_flag;
- uint8_t m_shift_press_flag;
- uint8_t m_display_reg;
- uint8_t m_vram_bank;
- uint8_t m_pen_clut[8];
- uint8_t m_bw_mode;
- uint16_t m_knj_addr;
- u8 m_cass_data[4];
- bool m_cassbit, m_cassold;
- virtual void machine_start() override;
- virtual void machine_reset() override;
- virtual void video_start() override;
- required_device<cpu_device> m_maincpu;
- required_region_ptr<u8> m_p_chargen;
- required_device<i8255_device> m_ppi;
- required_device<mc6845_device> m_crtc;
- required_device<i8251_device> m_uart;
- required_device<cassette_image_device> m_cass;
- required_device<beep_device> m_beeper;
- required_device<palette_device> m_palette;
- required_device<ay8910_device> m_aysnd;
-};
-
-void multi8_state::video_start()
-{
- m_keyb_press = m_keyb_press_flag = m_shift_press_flag = m_display_reg = 0;
-
- for (m_bw_mode = 0; m_bw_mode < 8; m_bw_mode++)
- m_pen_clut[m_bw_mode]=0;
-
- m_vram_bank = 8;
- m_bw_mode = 0;
-}
-
-MC6845_UPDATE_ROW( multi8_state::crtc_update_row )
-{
- rgb_t const *const palette = m_palette->palette()->entry_list_raw();
- u16 mem = y*80;
- u32 *p = &bitmap.pix(y);
-
- for(u16 x = 0; x < x_count; x++)
- {
- for(u8 i = 0; i < 8; i++)
- {
- u8 pen_b = BIT(m_p_vram[mem | 0x0000], 7-i);
- u8 pen_r = BIT(m_p_vram[mem | 0x4000], 7-i);
- u8 pen_g = BIT(m_p_vram[mem | 0x8000], 7-i);
- u8 color = (pen_b) | (pen_r << 1) | (pen_g << 2);
-
- if (m_bw_mode)
- {
- pen_b = BIT(m_display_reg, 0) ? pen_b : 0;
- pen_r = BIT(m_display_reg, 1) ? pen_r : 0;
- pen_g = BIT(m_display_reg, 2) ? pen_g : 0;
-
- color = (pen_b | pen_r | pen_g) ? 7 : 0;
- }
-
- *p++ = palette[color];
- }
- mem++;
- }
-
- const u8 x_width = BIT(m_display_reg, 6) ? 80 : 40;
- const u8 x_step = BIT(m_display_reg, 6) ? 1 : 2;
- mem = 0xc000 + ma;
- p = &bitmap.pix(y);
-
- for(u16 x = 0; x < x_width; x++)
- {
- const u8 chr = m_p_vram[mem];
- const u8 attr = m_p_vram[mem | 0x800];
- const u8 color = (BIT(m_display_reg, 7)) ? 7 : (attr & 0x07);
-
- u8 gfx = BIT(attr, 5);
-
- if (cursor_x >= 0)
- gfx ^= (x == (cursor_x / x_step));
-
- if (gfx)
- gfx = 0xff;
-
- if (ra < 8)
- gfx ^= m_p_chargen[(chr << 3) | ra];
-
- for(u8 i = 0; i < 8; i++)
- {
- u8 pen = BIT(gfx, 7-i) ? color : 0;
-
- if (x_step == 1)
- {
- if (pen)
- *p = palette[color];
- p++;
- }
- else
- {
- if (pen)
- *p = palette[color];
- p++;
- if (pen)
- *p = palette[color];
- p++;
- }
- }
- mem += x_step;
- }
-}
-
-uint8_t multi8_state::key_input_r()
-{
- if (m_mcu_init == 0)
- {
- m_mcu_init++;
- return 3;
- }
-
- m_keyb_press_flag &= 0xfe;
-
- return m_keyb_press;
-}
-
-uint8_t multi8_state::key_status_r()
-{
- if (m_mcu_init == 0)
- return 1;
- else
- if (m_mcu_init == 1)
- {
- m_mcu_init++;
- return 1;
- }
- else
- if (m_mcu_init == 2)
- {
- m_mcu_init++;
- return 0;
- }
-
- return m_keyb_press_flag | (m_shift_press_flag << 7);
-}
-
-uint8_t multi8_state::vram_r(offs_t offset)
-{
- uint8_t res;
-
- if (!BIT(m_vram_bank, 4)) //select plain work ram
- return m_p_wram[offset];
-
- res = 0xff;
-
- if (!BIT(m_vram_bank, 0))
- res &= m_p_vram[offset | 0x0000];
-
- if (!BIT(m_vram_bank, 1))
- res &= m_p_vram[offset | 0x4000];
-
- if (!BIT(m_vram_bank, 2))
- res &= m_p_vram[offset | 0x8000];
-
- if (!BIT(m_vram_bank, 3))
- res &= m_p_vram[offset | 0xc000];
-
- return res;
-}
-
-void multi8_state::vram_w(offs_t offset, uint8_t data)
-{
- if (!BIT(m_vram_bank, 4)) //select plain work ram
- {
- m_p_wram[offset] = data;
- return;
- }
-
- if (!BIT(m_vram_bank, 0))
- m_p_vram[offset | 0x0000] = data;
-
- if (!BIT(m_vram_bank, 1))
- m_p_vram[offset | 0x4000] = data;
-
- if (!BIT(m_vram_bank, 2))
- m_p_vram[offset | 0x8000] = data;
-
- if (!BIT(m_vram_bank, 3))
- m_p_vram[offset | 0xc000] = data;
-}
-
-uint8_t multi8_state::pal_r(offs_t offset)
-{
- return m_pen_clut[offset];
-}
-
-void multi8_state::pal_w(offs_t offset, uint8_t data)
-{
- m_pen_clut[offset] = data;
-
- uint8_t i;
- for(i=0;i<8;i++)
- {
- if (m_pen_clut[i])
- {
- m_bw_mode = 0;
- return;
- }
- m_bw_mode = 1;
- }
-}
-
-uint8_t multi8_state::ay8912_0_r(){ return m_aysnd->data_r(); }
-uint8_t multi8_state::ay8912_1_r(){ return m_aysnd->data_r(); }
-
-uint8_t multi8_state::kanji_r(offs_t offset)
-{
- return m_p_kanji[(m_knj_addr << 1) | (offset & 1)];
-}
-
-void multi8_state::kanji_w(offs_t offset, uint8_t data)
-{
- m_knj_addr = (offset == 0) ? (m_knj_addr & 0xff00) | (data & 0xff) : (m_knj_addr & 0x00ff) | (data << 8);
-}
-
-WRITE_LINE_MEMBER( multi8_state::kansas_w )
-{
- // incoming @19200Hz
- u8 twobit = m_cass_data[3] & 3;
-
- if (state)
- {
- if (twobit == 0)
- m_cassold = m_cassbit;
-
- if (m_cassold)
- m_cass->output(BIT(m_cass_data[3], 2) ? -1.0 : +1.0); // 2400Hz
- else
- m_cass->output(BIT(m_cass_data[3], 3) ? -1.0 : +1.0); // 1200Hz
-
- m_cass_data[3]++;
- }
-
- m_uart->write_txc(state);
- m_uart->write_rxc(state);
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER( multi8_state::kansas_r )
-{
- /* cassette - turn 1200/2400Hz to a bit */
- m_cass_data[1]++;
- uint8_t cass_ws = (m_cass->input() > +0.04) ? 1 : 0;
-
- if (cass_ws != m_cass_data[0])
- {
- m_cass_data[0] = cass_ws;
- m_uart->write_rxd((m_cass_data[1] < 12) ? 1 : 0);
- m_cass_data[1] = 0;
- }
-}
-
-
-void multi8_state::mem_map(address_map &map)
-{
- map.unmap_value_high();
- map(0x0000, 0x7fff).rom();
- map(0x8000, 0xbfff).rw(FUNC(multi8_state::vram_r), FUNC(multi8_state::vram_w));
- map(0xc000, 0xffff).ram();
-}
-
-void multi8_state::io_map(address_map &map)
-{
-// map.unmap_value_high();
- map.global_mask(0xff);
- map(0x00, 0x00).r(FUNC(multi8_state::key_input_r)); //keyboard
- map(0x01, 0x01).r(FUNC(multi8_state::key_status_r)); //keyboard
- map(0x18, 0x19).w(m_aysnd, FUNC(ay8910_device::address_data_w));
- map(0x18, 0x18).r(FUNC(multi8_state::ay8912_0_r));
- map(0x1a, 0x1a).r(FUNC(multi8_state::ay8912_1_r));
- map(0x1c, 0x1c).rw(m_crtc, FUNC(mc6845_device::status_r), FUNC(mc6845_device::address_w));
- map(0x1d, 0x1d).rw(m_crtc, FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w));
- map(0x20, 0x21).rw("uart", FUNC(i8251_device::read), FUNC(i8251_device::write)); //cmt
- map(0x24, 0x27).rw("pit", FUNC(pit8253_device::read), FUNC(pit8253_device::write)); //pit
- map(0x28, 0x2b).rw(m_ppi, FUNC(i8255_device::read), FUNC(i8255_device::write));
- map(0x2c, 0x2d).rw("pic", FUNC(pic8259_device::read), FUNC(pic8259_device::write)); //i8259
- map(0x30, 0x37).rw(FUNC(multi8_state::pal_r), FUNC(multi8_state::pal_w));
- map(0x40, 0x41).rw(FUNC(multi8_state::kanji_r), FUNC(multi8_state::kanji_w)); //kanji regs
-// map(0x70, 0x74) //upd765a fdc
-// map(0x78, 0x78) //memory banking
-}
-
-/* Input ports */
-static INPUT_PORTS_START( multi8 )
- PORT_START("VBLANK")
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_CUSTOM) PORT_VBLANK("screen")
-
- PORT_START("key1") //0x00-0x1f
- PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_UNUSED) //0x00 null
- PORT_BIT(0x00000002,IP_ACTIVE_HIGH,IPT_UNUSED) //0x01 soh
- PORT_BIT(0x00000004,IP_ACTIVE_HIGH,IPT_UNUSED) //0x02 stx
- PORT_BIT(0x00000008,IP_ACTIVE_HIGH,IPT_UNUSED) //0x03 etx
- PORT_BIT(0x00000010,IP_ACTIVE_HIGH,IPT_UNUSED) //0x04 etx
- PORT_BIT(0x00000020,IP_ACTIVE_HIGH,IPT_UNUSED) //0x05 eot
- PORT_BIT(0x00000040,IP_ACTIVE_HIGH,IPT_UNUSED) //0x06 enq
- PORT_BIT(0x00000080,IP_ACTIVE_HIGH,IPT_UNUSED) //0x07 ack
- PORT_BIT(0x00000100,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Backspace") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
- PORT_BIT(0x00000200,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB) PORT_CHAR(9)
- PORT_BIT(0x00000400,IP_ACTIVE_HIGH,IPT_UNUSED) //0x0a
- PORT_BIT(0x00000800,IP_ACTIVE_HIGH,IPT_UNUSED) //0x0b lf
- PORT_BIT(0x00001000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x0c vt
- PORT_BIT(0x00002000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(27)
- PORT_BIT(0x00004000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x0e cr
- PORT_BIT(0x00008000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x0f so
-
- PORT_BIT(0x00010000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x10 si
- PORT_BIT(0x00020000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x11 dle
- PORT_BIT(0x00040000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x12 dc1
- PORT_BIT(0x00080000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x13 dc2
- PORT_BIT(0x00100000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("HOME") PORT_CODE(KEYCODE_HOME)
- PORT_BIT(0x00200000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x15 dc4
- PORT_BIT(0x00400000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT)
- PORT_BIT(0x00800000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x17 syn
- PORT_BIT(0x01000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x18 etb
- PORT_BIT(0x02000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT)
- PORT_BIT(0x04000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x1a em
- PORT_BIT(0x08000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("ESC") PORT_CHAR(27)
- PORT_BIT(0x10000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x1c ???
- PORT_BIT(0x20000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x1d fs
- PORT_BIT(0x40000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x1e gs
- PORT_BIT(0x80000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x1f us
-
- PORT_START("key2") //0x20-0x3f
- PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
- PORT_BIT(0x00000002,IP_ACTIVE_HIGH,IPT_UNUSED) //0x21 !
- PORT_BIT(0x00000004,IP_ACTIVE_HIGH,IPT_UNUSED) //0x22 "
- PORT_BIT(0x00000008,IP_ACTIVE_HIGH,IPT_UNUSED) //0x23 #
- PORT_BIT(0x00000010,IP_ACTIVE_HIGH,IPT_UNUSED) //0x24 $
- PORT_BIT(0x00000020,IP_ACTIVE_HIGH,IPT_UNUSED) //0x25 %
- PORT_BIT(0x00000040,IP_ACTIVE_HIGH,IPT_UNUSED) //0x26 &
- PORT_BIT(0x00000080,IP_ACTIVE_HIGH,IPT_UNUSED) //0x27 '
- PORT_BIT(0x00000100,IP_ACTIVE_HIGH,IPT_UNUSED) //0x28 (
- PORT_BIT(0x00000200,IP_ACTIVE_HIGH,IPT_UNUSED) //0x29 )
- PORT_BIT(0x00000400,IP_ACTIVE_HIGH,IPT_UNUSED) //0x2a *
- PORT_BIT(0x00000800,IP_ACTIVE_HIGH,IPT_UNUSED)
- PORT_BIT(0x00001000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x2c ,
- PORT_BIT(0x00002000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-')
- PORT_BIT(0x00004000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x2e .
- PORT_BIT(0x00008000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x2f /
-
- PORT_BIT(0x00010000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0')
- PORT_BIT(0x00020000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1')
- PORT_BIT(0x00040000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2')
- PORT_BIT(0x00080000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3')
- PORT_BIT(0x00100000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4')
- PORT_BIT(0x00200000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5')
- PORT_BIT(0x00400000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6')
- PORT_BIT(0x00800000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7')
- PORT_BIT(0x01000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8')
- PORT_BIT(0x02000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9')
- PORT_BIT(0x04000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(":") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':')
- PORT_BIT(0x08000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME(";") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';')
- PORT_BIT(0x10000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("<") PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('<')
- PORT_BIT(0x20000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x3d =
- PORT_BIT(0x40000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x3e >
- PORT_BIT(0x80000000,IP_ACTIVE_HIGH,IPT_UNUSED) //0x3f ?
-
- PORT_START("key3") //0x40-0x5f
- PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("@") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('@')
- PORT_BIT(0x00000002,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('A')
- PORT_BIT(0x00000004,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('B')
- PORT_BIT(0x00000008,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('C')
- PORT_BIT(0x00000010,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('D')
- PORT_BIT(0x00000020,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('E')
- PORT_BIT(0x00000040,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('F')
- PORT_BIT(0x00000080,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('G')
- PORT_BIT(0x00000100,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('H')
- PORT_BIT(0x00000200,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('I')
- PORT_BIT(0x00000400,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('J')
- PORT_BIT(0x00000800,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('K')
- PORT_BIT(0x00001000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('L')
- PORT_BIT(0x00002000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('M')
- PORT_BIT(0x00004000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('N')
- PORT_BIT(0x00008000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('O')
- PORT_BIT(0x00010000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('P')
- PORT_BIT(0x00020000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q')
- PORT_BIT(0x00040000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('R')
- PORT_BIT(0x00080000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('S')
- PORT_BIT(0x00100000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('T')
- PORT_BIT(0x00200000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('U')
- PORT_BIT(0x00400000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('V')
- PORT_BIT(0x00800000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('W')
- PORT_BIT(0x01000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('X')
- PORT_BIT(0x02000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y')
- PORT_BIT(0x04000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z')
- PORT_BIT(0x08000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR('[')
- PORT_BIT(0x10000000,IP_ACTIVE_HIGH,IPT_UNUSED)
- PORT_BIT(0x20000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR(']')
- PORT_BIT(0x40000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("^") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('^')
- PORT_BIT(0x80000000,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("_")
-
- PORT_START("key_modifiers")
- PORT_BIT(0x00000001,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL)
- PORT_BIT(0x00000002,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT)
- PORT_BIT(0x00000004,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("KANA") PORT_CODE(KEYCODE_RCONTROL)
- PORT_BIT(0x00000008,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("CAPS") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE
- PORT_BIT(0x00000010,IP_ACTIVE_HIGH,IPT_KEYBOARD) PORT_NAME("GRPH") PORT_CODE(KEYCODE_LALT)
-INPUT_PORTS_END
-
-TIMER_DEVICE_CALLBACK_MEMBER(multi8_state::keyboard_callback)
-{
- static const char *const portnames[3] = { "key1","key2","key3" };
- int i,port_i,scancode;
- uint8_t keymod = ioport("key_modifiers")->read() & 0x1f;
- scancode = 0;
-
- m_shift_press_flag = ((keymod & 0x02) >> 1);
-
- for(port_i=0;port_i<3;port_i++)
- {
- for(i=0;i<32;i++)
- {
- if((ioport(portnames[port_i])->read()>>i) & 1)
- {
- //key_flag = 1;
- if(!m_shift_press_flag) // shift not pressed
- {
- if(scancode >= 0x41 && scancode < 0x5b)
- scancode += 0x20; // lowercase
- }
- else
- {
- if(scancode >= 0x31 && scancode < 0x3a)
- scancode -= 0x10;
- if(scancode == 0x30)
- scancode = 0x3d;
-
- if(scancode == 0x3b)
- scancode = 0x2c;
-
- if(scancode == 0x3a)
- scancode = 0x2e;
- if(scancode == 0x5b)
- scancode = 0x2b;
- if(scancode == 0x3c)
- scancode = 0x3e;
- }
- m_keyb_press = scancode;
- m_keyb_press_flag = 1;
- return;
- }
- scancode++;
- }
- }
-}
-
-static const gfx_layout multi8_charlayout =
-{
- 8,8,
- RGN_FRAC(1,1),
- 1,
- { 0 },
- { STEP8(0,1) },
- { STEP8(0,8) },
- 8*8
-};
-
-static const gfx_layout multi8_kanjilayout =
-{
- 16,16,
- RGN_FRAC(1,1),
- 1,
- { 0 },
- { STEP16(0,1) },
- { STEP16(0,16) },
- 16*16
-};
-
-static GFXDECODE_START( gfx_multi8 )
- GFXDECODE_ENTRY( "chargen", 0x0000, multi8_charlayout, 0, 1 )
- GFXDECODE_ENTRY( "kanji", 0x0000, multi8_kanjilayout, 0, 1 )
-GFXDECODE_END
-
-
-uint8_t multi8_state::porta_r()
-{
- int vsync = (ioport("VBLANK")->read() & 0x1) << 5;
- /*
- -x-- ---- kanji rom is present (0) yes
- --x- ---- vsync
- ---- --x- fdc rom is present (0) yes
- */
-
- return 0x9f | vsync | 0x00;
-}
-
-
-void multi8_state::portb_w(uint8_t data)
-{
- /*
- x--- ---- color mode
- -x-- ---- screen width (80 / 40)
- ---- x--- memory bank status
- ---- -xxx page screen graphics in B/W mode
- */
-
- m_display_reg = data;
-}
-
-void multi8_state::portc_w(uint8_t data)
-{
-// printf("Port C w = %02x\n",data);
- m_vram_bank = data & 0x1f;
-
- if (data & 0x20 && data != 0xff)
- printf("Work RAM bank selected!\n");
-// fatalerror("Work RAM bank selected\n");
-}
-
-
-void multi8_state::ym2203_porta_w(uint8_t data)
-{
- m_beeper->set_state(BIT(data, 3));
-}
-
-void multi8_state::machine_start()
-{
- m_p_vram = memregion("vram")->base();
- m_p_wram = memregion("wram")->base();
- m_p_kanji = memregion("kanji")->base();
-}
-
-void multi8_state::machine_reset()
-{
- m_beeper->set_state(0);
- m_mcu_init = 0;
- m_uart->write_cts(0);
-}
-
-void multi8_state::multi8(machine_config &config)
-{
- /* basic machine hardware */
- Z80(config, m_maincpu, XTAL(4'000'000));
- m_maincpu->set_addrmap(AS_PROGRAM, &multi8_state::mem_map);
- m_maincpu->set_addrmap(AS_IO, &multi8_state::io_map);
-
- /* video hardware */
- screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
- screen.set_refresh_hz(60);
- screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
- screen.set_size(640, 200);
- screen.set_visarea(0, 320-1, 0, 200-1);
- screen.set_screen_update("crtc", FUNC(mc6845_device::screen_update));
-
- PALETTE(config, m_palette, palette_device::BRG_3BIT);
- GFXDECODE(config, "gfxdecode", m_palette, gfx_multi8);
-
- /* Audio */
- SPEAKER(config, "mono").front_center();
- AY8912(config, m_aysnd, 1500000); //unknown clock / divider
- m_aysnd->port_a_write_callback().set(FUNC(multi8_state::ym2203_porta_w));
- m_aysnd->add_route(ALL_OUTPUTS, "mono", 0.50);
- BEEP(config, m_beeper, 1200).add_route(ALL_OUTPUTS,"mono",0.50); // guesswork
-
- /* devices */
- TIMER(config, "keyboard_timer").configure_periodic(FUNC(multi8_state::keyboard_callback), attotime::from_hz(240/32));
-
- MC6845(config, m_crtc, XTAL(3'579'545)/2); /* unknown variant, unknown clock, hand tuned to get ~60 fps */
- m_crtc->set_screen("screen");
- m_crtc->set_show_border_area(false);
- m_crtc->set_char_width(8);
- m_crtc->set_update_row_callback(FUNC(multi8_state::crtc_update_row));
-
- I8255(config, m_ppi);
- m_ppi->in_pa_callback().set(FUNC(multi8_state::porta_r));
- m_ppi->out_pb_callback().set(FUNC(multi8_state::portb_w));
- m_ppi->out_pc_callback().set(FUNC(multi8_state::portc_w));
-
- clock_device &uart_clock(CLOCK(config, "uart_clock", 19200));
- uart_clock.signal_handler().set(FUNC(multi8_state::kansas_w));
- TIMER(config, "kansas_r").configure_periodic(FUNC(multi8_state::kansas_r), attotime::from_hz(40000));
-
- CASSETTE(config, m_cass);
- m_cass->set_default_state(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED);
- m_cass->add_route(ALL_OUTPUTS, "mono", 0.05);
-
- I8251(config, m_uart, 0); // for cassette
- m_uart->txd_handler().set([this] (bool state) { m_cassbit = state; });
-
- PIT8253(config, "pit", 0);
- PIC8259(config, "pic", 0);
-
- //UPD765A(config, "fdc", false, true);
- //FLOPPY_CONNECTOR(config, "fdc:0", multi8_floppies, "525hd", floppy_image_device::default_mfm_floppy_formats);
-}
-
-/* ROM definition */
-ROM_START( multi8 )
- ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
- ROM_LOAD( "basic.rom", 0x0000, 0x8000, CRC(2131a3a8) SHA1(0f5a565ecfbf79237badbf9011dcb374abe74a57))
-
- ROM_REGION( 0x0800, "chargen", 0 )
- ROM_LOAD( "font.rom", 0x0000, 0x0800, BAD_DUMP CRC(08f9ed0e) SHA1(57480510fb30af1372df5a44b23066ca61c6f0d9))
-
- ROM_REGION( 0x20000, "kanji", 0 )
- ROM_LOAD( "kanji.rom", 0x0000, 0x20000, BAD_DUMP CRC(c3cb3ff9) SHA1(7173cc5053a281d73cfecfacd31442e21ee7474a))
-
- ROM_REGION( 0x0100, "mcu", ROMREGION_ERASEFF )
- ROM_LOAD( "kbd.rom", 0x0000, 0x0100, NO_DUMP )
-
- ROM_REGION( 0x1000, "fdc_bios", 0 )
- ROM_LOAD( "disk.rom", 0x0000, 0x1000, NO_DUMP )
-
- ROM_REGION( 0x10000, "vram", ROMREGION_ERASE00 )
-
- ROM_REGION( 0x4000, "wram", ROMREGION_ERASEFF )
-ROM_END
-
-/* Driver */
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1983, multi8, 0, 0, multi8, multi8, multi8_state, empty_init, "Mitsubishi", "Multi 8 (Mitsubishi)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)