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Diffstat (limited to 'src/mame/drivers/pasopia.cpp')
-rw-r--r-- | src/mame/drivers/pasopia.cpp | 396 |
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 ) |