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Diffstat (limited to 'src/mame/drivers/pasopia.cpp')
-rw-r--r--src/mame/drivers/pasopia.cpp396
1 files changed, 0 insertions, 396 deletions
diff --git a/src/mame/drivers/pasopia.cpp b/src/mame/drivers/pasopia.cpp
deleted file mode 100644
index 16a0943bb7f..00000000000
--- a/src/mame/drivers/pasopia.cpp
+++ /dev/null
@@ -1,396 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Angelo Salese
-/***************************************************************************
-
- Toshiba Pasopia
-
- Machine unusable due to keyboard issues.
- Cassette works.
- Sound uses the beeper, and works. Try SOUND a,b where a=1-82, b=1-255.
-
- TODO:
- - machine emulation needs merging with Pasopia 7 (video emulation is
- completely different tho)
- - screen resolution switching
- - Centronics printer interface
- - RS-232C serial interface
- - FDC and other I/O expansions
- - fix keyboard
- - colours
- - graphics
-
-
-****************************************************************************/
-
-#include "emu.h"
-#include "includes/pasopia.h"
-
-#include "cpu/z80/z80.h"
-#include "machine/i8255.h"
-#include "machine/z80ctc.h"
-#include "machine/z80pio.h"
-#include "video/mc6845.h"
-#include "imagedev/cassette.h"
-#include "sound/spkrdev.h"
-#include "speaker.h"
-#include "emupal.h"
-#include "screen.h"
-
-
-class pasopia_state : public driver_device
-{
-public:
- pasopia_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_p_vram(*this, "vram")
- , m_ppi0(*this, "ppi0")
- , m_ppi1(*this, "ppi1")
- , m_ppi2(*this, "ppi2")
- , m_ctc(*this, "ctc")
- , m_pio(*this, "pio")
- , m_crtc(*this, "crtc")
- , m_palette(*this, "palette")
- , m_io_keyboard(*this, "KEY.%d", 0)
- , m_cass(*this, "cassette")
- , m_speaker(*this, "speaker")
- { }
-
- void pasopia(machine_config &config);
-
- void init_pasopia();
-
-private:
- DECLARE_WRITE8_MEMBER(pasopia_ctrl_w);
- DECLARE_WRITE8_MEMBER(vram_addr_lo_w);
- DECLARE_WRITE8_MEMBER(vram_latch_w);
- DECLARE_READ8_MEMBER(vram_latch_r);
- DECLARE_READ8_MEMBER(portb_1_r);
- DECLARE_READ8_MEMBER(portb_2_r);
- DECLARE_WRITE8_MEMBER(porta_2_w);
- DECLARE_WRITE8_MEMBER(vram_addr_hi_w);
- DECLARE_WRITE8_MEMBER(screen_mode_w);
- DECLARE_READ8_MEMBER(rombank_r);
- DECLARE_READ8_MEMBER(keyb_r);
- DECLARE_WRITE8_MEMBER(mux_w);
- DECLARE_WRITE_LINE_MEMBER(speaker_w);
- MC6845_UPDATE_ROW(crtc_update_row);
- TIMER_CALLBACK_MEMBER(pio_timer);
-
- void pasopia_io(address_map &map);
- void pasopia_map(address_map &map);
-
- uint8_t m_hblank;
- uint16_t m_vram_addr;
- uint8_t m_vram_latch;
- uint8_t m_attr_latch;
- uint8_t m_gfx_mode;
- uint8_t m_mux_data;
- u8 m_porta_2;
- bool m_video_wl;
- bool m_ram_bank;
- bool m_spr_sw;
- emu_timer *m_pio_timer;
- virtual void machine_start() override;
- virtual void machine_reset() override;
- required_device<z80_device> m_maincpu;
- required_region_ptr<u8> m_p_chargen;
- required_region_ptr<u8> m_p_vram;
- required_device<i8255_device> m_ppi0;
- required_device<i8255_device> m_ppi1;
- required_device<i8255_device> m_ppi2;
- required_device<z80ctc_device> m_ctc;
- required_device<z80pio_device> m_pio;
- required_device<mc6845_device> m_crtc;
- required_device<palette_device> m_palette;
- required_ioport_array<12> m_io_keyboard;
- required_device<cassette_image_device> m_cass;
- required_device<speaker_sound_device> m_speaker;
-};
-
-// needed to scan the keyboard, as the pio emulation doesn't do it.
-TIMER_CALLBACK_MEMBER( pasopia_state::pio_timer )
-{
- m_pio->port_b_write(keyb_r(generic_space(),0,0xff));
-}
-
-MC6845_UPDATE_ROW( pasopia_state::crtc_update_row )
-{
- const rgb_t *palette = m_palette->palette()->entry_list_raw();
- uint8_t chr,gfx,xi,fg=7,bg=0; // colours need to be determined
- uint16_t mem=ma,x;
- uint32_t *p = &bitmap.pix32(y);
-
- for (x = 0; x < x_count; x++)
- {
- uint8_t inv = (x == cursor_x) ? 0xff : 0;
- mem = ma + x;
- chr = m_p_vram[mem & 0x7ff];
-
- /* get pattern of pixels for that character scanline */
- gfx = m_p_chargen[(chr<<3) | ra] ^ inv;
-
- /* Display a scanline of a character */
- for (xi = 0; xi < 8; xi++)
- *p++ = palette[BIT(gfx, 7-xi) ? fg : bg];
- }
-}
-
-WRITE8_MEMBER( pasopia_state::pasopia_ctrl_w )
-{
- m_ram_bank = BIT(data, 1);
- membank("bank1")->set_entry(m_ram_bank);
-}
-
-void pasopia_state::pasopia_map(address_map &map)
-{
- map(0x0000, 0x7fff).bankr("bank1").bankw("bank2");
- map(0x8000, 0xffff).ram();
-}
-
-
-void pasopia_state::pasopia_io(address_map &map)
-{
- map.unmap_value_high();
- map.global_mask(0xff);
- map(0x00, 0x03).rw(m_ppi0, FUNC(i8255_device::read), FUNC(i8255_device::write));
- map(0x08, 0x0b).rw(m_ppi1, FUNC(i8255_device::read), FUNC(i8255_device::write));
- map(0x10, 0x10).rw(m_crtc, FUNC(mc6845_device::status_r), FUNC(mc6845_device::address_w));
- map(0x11, 0x11).rw(m_crtc, FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w));
-// 0x18 - 0x1b pac2
-// 0x1c - 0x1f something
- map(0x20, 0x23).rw(m_ppi2, FUNC(i8255_device::read), FUNC(i8255_device::write));
- map(0x28, 0x2b).rw(m_ctc, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write));
- map(0x30, 0x33).rw(m_pio, FUNC(z80pio_device::read), FUNC(z80pio_device::write));
-// 0x38 printer
- map(0x3c, 0x3c).w(FUNC(pasopia_state::pasopia_ctrl_w));
-}
-
-/* Input ports */
-static INPUT_PORTS_START( pasopia )
- PASOPIA_KEYBOARD
-INPUT_PORTS_END
-
-void pasopia_state::machine_start()
-{
- m_hblank = 0;
- membank("bank1")->set_entry(0);
- membank("bank2")->set_entry(0);
-}
-
-void pasopia_state::machine_reset()
-{
- m_porta_2 = 0xFF;
- m_cass->change_state(CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR);
-}
-
-WRITE8_MEMBER( pasopia_state::vram_addr_lo_w )
-{
- m_vram_addr = (m_vram_addr & 0x3f00) | data;
-}
-
-WRITE8_MEMBER( pasopia_state::vram_latch_w )
-{
- m_vram_latch = data;
-}
-
-READ8_MEMBER( pasopia_state::vram_latch_r )
-{
- return m_p_vram[m_vram_addr];
-}
-
-READ8_MEMBER( pasopia_state::portb_1_r )
-{
- /*
- x--- ---- attribute latch
- -x-- ---- hblank
- --x- ---- vblank
- ---x ---- LCD system mode, active low
- */
- uint8_t grph_latch,lcd_mode;
-
- m_hblank ^= 0x40; //TODO
- grph_latch = (m_p_vram[m_vram_addr | 0x4000] & 0x80);
- lcd_mode = 0x10;
-
- return m_hblank | lcd_mode | grph_latch; //bit 4: LCD mode
-}
-
-READ8_MEMBER( pasopia_state::portb_2_r )
-{
- return (m_cass->input() > +0.04) ? 0x20 : 0;
-}
-
-WRITE8_MEMBER( pasopia_state::porta_2_w )
-{
- m_cass->output(BIT(data, 4) ? -1.0 : +1.0);
- u8 changed = data ^ m_porta_2;
- m_porta_2 = data;
- if (BIT(changed, 5))
- {
- m_cass->change_state(BIT(data, 5) ? CASSETTE_MOTOR_DISABLED : CASSETTE_MOTOR_ENABLED, CASSETTE_MASK_MOTOR);
- }
-}
-
-WRITE_LINE_MEMBER( pasopia_state::speaker_w )
-{
- if (state)
- {
- m_spr_sw ^= 1;
- if (BIT(m_mux_data, 7))
- m_speaker->level_w(m_spr_sw);
- }
-}
-
-WRITE8_MEMBER( pasopia_state::vram_addr_hi_w )
-{
- m_attr_latch = (data & 0x80) | (m_attr_latch & 0x7f);
- if ( BIT(data, 6) && !m_video_wl )
- {
- m_p_vram[m_vram_addr] = m_vram_latch;
- m_p_vram[m_vram_addr | 0x4000] = m_attr_latch;
- }
-
- m_video_wl = BIT(data, 6);
- m_vram_addr = (m_vram_addr & 0xff) | ((data & 0x3f) << 8);
-}
-
-WRITE8_MEMBER( pasopia_state::screen_mode_w )
-{
- m_gfx_mode = (data & 0xe0) >> 5;
- m_attr_latch = (m_attr_latch & 0x80) | (data & 7);
- printf("Screen Mode=%02x\n",data);
-}
-
-READ8_MEMBER( pasopia_state::rombank_r )
-{
- return (m_ram_bank) ? 4 : 0;
-}
-
-READ8_MEMBER( pasopia_state::keyb_r )
-{
- u8 data = 0xff;
- for (u8 i = 0; i < 3; i++)
- if (BIT(m_mux_data, i+4))
- for (u8 j = 0; j < 4; j++)
- if (BIT(m_mux_data, j))
- data &= m_io_keyboard[i*4+j]->read();
-
- return data;
-}
-
-WRITE8_MEMBER( pasopia_state::mux_w )
-{
- m_mux_data = data;
-}
-
-static const gfx_layout p7_chars_8x8 =
-{
- 8,8,
- RGN_FRAC(1,1),
- 1,
- { 0 },
- { 0, 1, 2, 3, 4, 5, 6, 7 },
- { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
- 8*8
-};
-
-static GFXDECODE_START( gfx_pasopia )
- GFXDECODE_ENTRY( "chargen", 0x0000, p7_chars_8x8, 0, 4 )
-GFXDECODE_END
-
-static const z80_daisy_config pasopia_daisy[] =
-{
- { "ctc" },
- { "pio" },
-// { "fdc" }, /* TODO */
- { nullptr }
-};
-
-
-
-void pasopia_state::init_pasopia()
-{
-/*
-We preset all banks here, so that bankswitching will incur no speed penalty.
-0000 indicates ROMs, 8000 indicates RAM.
-*/
- uint8_t *ram = memregion("maincpu")->base();
- membank("bank1")->configure_entries(0, 2, &ram[0x0000], 0x8000);
- membank("bank2")->configure_entry(0, &ram[0x8000]);
-
- m_pio_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(pasopia_state::pio_timer), this));
- m_pio_timer->adjust(attotime::from_hz(50), 0, attotime::from_hz(50));
-}
-
-void pasopia_state::pasopia(machine_config &config)
-{
- /* basic machine hardware */
- Z80(config, m_maincpu, 15.9744_MHz_XTAL / 4);
- m_maincpu->set_addrmap(AS_PROGRAM, &pasopia_state::pasopia_map);
- m_maincpu->set_addrmap(AS_IO, &pasopia_state::pasopia_io);
- m_maincpu->set_daisy_config(pasopia_daisy);
-
- /* video hardware */
- screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
- screen.set_raw(14.318181_MHz_XTAL / 2, 456, 0, 296, 262, 0, 192);
- screen.set_screen_update("crtc", FUNC(mc6845_device::screen_update));
- GFXDECODE(config, "gfxdecode", m_palette, gfx_pasopia);
- PALETTE(config, m_palette).set_entries(8);
-
- /* Devices */
- HD6845S(config, m_crtc, 14.318181_MHz_XTAL / 16);
- 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(pasopia_state::crtc_update_row));
-
- I8255A(config, m_ppi0);
- m_ppi0->out_pa_callback().set(FUNC(pasopia_state::vram_addr_lo_w));
- m_ppi0->out_pb_callback().set(FUNC(pasopia_state::vram_latch_w));
- m_ppi0->in_pc_callback().set(FUNC(pasopia_state::vram_latch_r));
-
- I8255A(config, m_ppi1);
- m_ppi1->out_pa_callback().set(FUNC(pasopia_state::screen_mode_w));
- m_ppi1->in_pb_callback().set(FUNC(pasopia_state::portb_1_r));
- m_ppi1->out_pc_callback().set(FUNC(pasopia_state::vram_addr_hi_w));
-
- I8255A(config, m_ppi2);
- m_ppi2->in_pc_callback().set(FUNC(pasopia_state::rombank_r));
- m_ppi2->out_pa_callback().set(FUNC(pasopia_state::porta_2_w));
- m_ppi2->in_pb_callback().set(FUNC(pasopia_state::portb_2_r));
-
- Z80CTC(config, m_ctc, 15.9744_MHz_XTAL / 4);
- m_ctc->intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
- m_ctc->zc_callback<1>().set(FUNC(pasopia_state::speaker_w));
- m_ctc->zc_callback<2>().set(m_ctc, FUNC(z80ctc_device::trg3));
-
- Z80PIO(config, m_pio, 15.9744_MHz_XTAL / 4);
- m_pio->out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
- m_pio->out_pa_callback().set(FUNC(pasopia_state::mux_w));
- m_pio->in_pb_callback().set(FUNC(pasopia_state::keyb_r));
-
- /* sound hardware */
- SPEAKER(config, "mono").front_center();
- SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.50);
- CASSETTE(config, m_cass);
- m_cass->set_default_state(CASSETTE_PLAY | CASSETTE_MOTOR_DISABLED | CASSETTE_SPEAKER_ENABLED);
- m_cass->add_route(ALL_OUTPUTS, "mono", 0.05);
-}
-
-/* ROM definition */
-ROM_START( pasopia )
- ROM_REGION( 0x10000, "maincpu", 0 )
- ROM_LOAD( "tbasic.rom", 0x0000, 0x8000, CRC(f53774ff) SHA1(bbec45a3bad8d184505cc6fe1f6e2e60a7fb53f2))
-
- ROM_REGION( 0x0800, "chargen", 0 )
- ROM_LOAD( "font.rom", 0x0000, 0x0800, BAD_DUMP CRC(a91c45a9) SHA1(a472adf791b9bac3dfa6437662e1a9e94a88b412)) //stolen from pasopia7
-
- ROM_REGION( 0x8000, "vram", ROMREGION_ERASE00 )
-ROM_END
-
-/* Driver */
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1982, pasopia, 0, 0, pasopia, pasopia, pasopia_state, init_pasopia, "Toshiba", "Personal Computer Pasopia PA7010", MACHINE_NOT_WORKING )