// license:BSD-3-Clause // copyright-holders:Angelo Salese /************************************************************************************************** Toshiba Pasopia 7 (c) 1983 Toshiba Preliminary driver by Angelo Salese. 2019-10-14 added cassette & beeper [Robbbert] Machine unusable due to issues with sound. Cassette works. Beeper is only used for the keyclick, and it works. TODO: - floppy support (but floppy images are unobtainable at current time). - SOUND command uses the SN76489 chip, however no sound is produced, and the next SOUND command freezes the machine. - LCD version has gfx bugs, it must use a different ROM charset for instance (apparently a 8 x 4 one, 40/80 x 8 tilemap). - Allow BIN files to be loaded (via a rampac presumably). - Allow CAS files to be loaded. Reading fdc has been commented out, until the code can be modified to work with new upd765 (was causing a hang at boot). Schematics: https://archive.org/details/Io19839/page/n331 (fdc system not included) ***************************************************************************************************/ #include "emu.h" #include "includes/pasopia.h" #include "cpu/z80/z80.h" #include "imagedev/floppy.h" #include "machine/i8255.h" #include "machine/upd765.h" #include "machine/z80ctc.h" #include "machine/z80pio.h" #include "sound/sn76496.h" #include "video/mc6845.h" #include "imagedev/cassette.h" #include "sound/spkrdev.h" #include "emupal.h" #include "screen.h" #include "speaker.h" class pasopia7_state : public driver_device { public: pasopia7_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) , m_maincpu(*this, "maincpu") , m_screen(*this, "screen") , m_ppi0(*this, "ppi0") , m_ppi1(*this, "ppi1") , m_ppi2(*this, "ppi2") , m_ctc(*this, "ctc") , m_pio(*this, "pio") , m_crtc(*this, "crtc") , m_fdc(*this, "fdc") , m_floppy(*this, "fdc:0:525hd") , m_sn1(*this, "sn1") , m_sn2(*this, "sn2") , m_palette(*this, "palette") , m_keyboard(*this, "KEY.%d", 0) , m_cass(*this, "cassette") , m_speaker(*this, "speaker") { } void p7_base(machine_config &config); void p7_lcd(machine_config &config); void p7_raster(machine_config &config); void init_p7_lcd(); void init_p7_raster(); private: DECLARE_READ8_MEMBER(vram_r); DECLARE_WRITE8_MEMBER(vram_w); DECLARE_WRITE8_MEMBER(pasopia7_memory_ctrl_w); DECLARE_WRITE8_MEMBER(pac2_w); DECLARE_READ8_MEMBER(pac2_r); DECLARE_WRITE8_MEMBER(ram_bank_w); DECLARE_WRITE8_MEMBER(pasopia7_6845_w); DECLARE_READ8_MEMBER(pasopia7_io_r); DECLARE_WRITE8_MEMBER(pasopia7_io_w); DECLARE_READ8_MEMBER(pasopia7_fdc_r); DECLARE_WRITE8_MEMBER(pasopia7_fdc_w); DECLARE_READ8_MEMBER(keyb_r); DECLARE_WRITE8_MEMBER(mux_w); DECLARE_READ8_MEMBER(crtc_portb_r); DECLARE_WRITE8_MEMBER(screen_mode_w); DECLARE_WRITE8_MEMBER(plane_reg_w); DECLARE_WRITE8_MEMBER(video_attr_w); DECLARE_WRITE8_MEMBER(video_misc_w); DECLARE_WRITE8_MEMBER(nmi_mask_w); DECLARE_READ8_MEMBER(unk_r); DECLARE_READ8_MEMBER(nmi_reg_r); DECLARE_WRITE8_MEMBER(nmi_reg_w); DECLARE_READ8_MEMBER(nmi_porta_r); DECLARE_READ8_MEMBER(nmi_portb_r); DECLARE_WRITE_LINE_MEMBER(speaker_w); TIMER_CALLBACK_MEMBER(pio_timer); DECLARE_VIDEO_START(pasopia7); void p7_lcd_palette(palette_device &palette) const; uint32_t screen_update_pasopia7(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); void pasopia7_io(address_map &map); void pasopia7_mem(address_map &map); uint8_t m_vram_sel; uint8_t m_mio_sel; std::unique_ptr m_p7_pal; uint8_t m_bank_reg; uint16_t m_cursor_addr; uint8_t m_cursor_blink; uint8_t m_cursor_raster; uint8_t m_plane_reg; uint8_t m_attr_data; uint8_t m_attr_wrap; uint8_t m_attr_latch; uint8_t m_pal_sel; uint8_t m_x_width; uint8_t m_gfx_mode; uint8_t m_nmi_mask; uint8_t m_nmi_enable_reg; uint8_t m_nmi_trap; uint8_t m_nmi_reset; uint16_t m_pac2_index[2]; uint32_t m_kanji_index; uint8_t m_pac2_bank_select; uint8_t m_screen_type; int m_addr_latch; void pasopia_nmi_trap(); uint8_t m_mux_data; u8 m_porta_2; bool m_spr_sw; emu_timer *m_pio_timer; virtual void machine_reset() override; void fdc_irq(bool state); void draw_cg4_screen(bitmap_ind16 &bitmap,const rectangle &cliprect,int width); void draw_tv_screen(bitmap_ind16 &bitmap,const rectangle &cliprect,int width); void draw_mixed_screen(bitmap_ind16 &bitmap,const rectangle &cliprect,int width); required_device m_maincpu; required_device m_screen; required_device m_ppi0; required_device m_ppi1; required_device m_ppi2; required_device m_ctc; required_device m_pio; required_device m_crtc; required_device m_fdc; required_device m_floppy; required_device m_sn1; required_device m_sn2; required_device m_palette; required_ioport_array<12> m_keyboard; required_device m_cass; required_device m_speaker; }; #define VDP_CLOCK 14.318181_MHz_XTAL / 16 #define LCD_CLOCK VDP_CLOCK/10 // needed to scan the keyboard, as the pio emulation doesn't do it. TIMER_CALLBACK_MEMBER( pasopia7_state::pio_timer ) { m_pio->port_b_write(keyb_r(generic_space(),0,0xff)); } VIDEO_START_MEMBER(pasopia7_state,pasopia7) { m_p7_pal = std::make_unique(0x10); } void pasopia7_state::draw_cg4_screen(bitmap_ind16 &bitmap,const rectangle &cliprect,int width) { uint8_t *vram = memregion("vram")->base(); int x,y,xi,yi; int count; for(yi=0;yi<8;yi++) { count = yi; for(y=0;y<200;y+=8) { for(x=0;x<8*width;x+=8) { for(xi=0;xi<8;xi++) { int pen_b,pen_r,pen_g,color; pen_b = (vram[count+0x0000]>>(7-xi)) & 1; pen_r = (vram[count+0x4000]>>(7-xi)) & 1; pen_g = 0;//(p7_vram[count+0x8000]>>(7-xi)) & 1; color = pen_g<<2 | pen_r<<1 | pen_b<<0; bitmap.pix16(y+yi, x+xi) = m_palette->pen(color); } count+=8; } } } } void pasopia7_state::draw_tv_screen(bitmap_ind16 &bitmap,const rectangle &cliprect,int width) { uint8_t *vram = memregion("vram")->base(); uint8_t *gfx_data = memregion("font")->base(); int x,y,xi,yi; int count; count = 0x0000; for(y=0;y<25;y++) { for(x=0;x>(7-xi)) & 1) ? color : 0; bitmap.pix16(y*8+yi, x*8+xi) = m_palette->pen(pen); } } // draw cursor if(m_cursor_addr*8 == count) { int xc,yc,cursor_on; cursor_on = 0; switch(m_cursor_raster & 0x60) { case 0x00: cursor_on = 1; break; //always on case 0x20: cursor_on = 0; break; //always off case 0x40: if(m_screen->frame_number() & 0x10) { cursor_on = 1; } break; //fast blink case 0x60: if(m_screen->frame_number() & 0x20) { cursor_on = 1; } break; //slow blink } if(cursor_on) { for(yc=0;yc<(8-(m_cursor_raster & 7));yc++) { for(xc=0;xc<8;xc++) { bitmap.pix16(y*8-yc+7, x*8+xc) = m_palette->pen(7); } } } } count+=8; } } } void pasopia7_state::draw_mixed_screen(bitmap_ind16 &bitmap,const rectangle &cliprect,int width) { uint8_t *vram = memregion("vram")->base(); uint8_t *gfx_data = memregion("font")->base(); int x,y,xi,yi; int count; count = 0x0000; for(y=0;y<25;y++) { for(x=0;x>(7-xi)) & 1; pen_r = (vram[count+yi+0x4000]>>(7-xi)) & 1; pen_g = (vram[count+yi+0x8000]>>(7-xi)) & 1; pen = pen_g<<2 | pen_r<<1 | pen_b<<0; bitmap.pix16(y*8+yi, x*8+xi) = m_palette->pen(pen); } } else { int color = attr & 7; for(xi=0;xi<8;xi++) { int pen; pen = ((gfx_data[tile*8+yi]>>(7-xi)) & 1) ? color : 0; bitmap.pix16(y*8+yi, x*8+xi) = m_palette->pen(pen); } } } // draw cursor if(m_cursor_addr*8 == count) { int xc,yc,cursor_on; cursor_on = 0; switch(m_cursor_raster & 0x60) { case 0x00: cursor_on = 1; break; //always on case 0x20: cursor_on = 0; break; //always off case 0x40: if(m_screen->frame_number() & 0x10) { cursor_on = 1; } break; //fast blink case 0x60: if(m_screen->frame_number() & 0x20) { cursor_on = 1; } break; //slow blink } if(cursor_on) { for(yc=0;yc<(8-(m_cursor_raster & 7));yc++) { for(xc=0;xc<8;xc++) { bitmap.pix16(y*8-yc+7, x*8+xc) = m_palette->pen(7); } } } } count+=8; } } } uint32_t pasopia7_state::screen_update_pasopia7(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { int width; bitmap.fill(m_palette->pen(0), cliprect); width = m_x_width ? 80 : 40; if(m_gfx_mode) draw_mixed_screen(bitmap,cliprect,width); else { draw_cg4_screen(bitmap,cliprect,width); draw_tv_screen(bitmap,cliprect,width); } return 0; } READ8_MEMBER( pasopia7_state::vram_r ) { uint8_t *vram = memregion("vram")->base(); uint8_t res; if (m_vram_sel == 0) { uint8_t *work_ram = memregion("maincpu")->base(); return work_ram[offset+0x8000]; } if (m_pal_sel && (m_plane_reg & 0x70) == 0x00) return m_p7_pal[offset & 0xf]; res = 0xff; if ((m_plane_reg & 0x11) == 0x11) res &= vram[offset | 0x0000]; if ((m_plane_reg & 0x22) == 0x22) res &= vram[offset | 0x4000]; if ((m_plane_reg & 0x44) == 0x44) { res &= vram[offset | 0x8000]; m_attr_latch = vram[offset | 0xc000] & 0x87; } return res; } WRITE8_MEMBER( pasopia7_state::vram_w ) { uint8_t *vram = memregion("vram")->base(); if (m_vram_sel) { if (m_pal_sel && (m_plane_reg & 0x70) == 0x00) { m_p7_pal[offset & 0xf] = data & 0xf; return; } if (m_plane_reg & 0x10) vram[(offset & 0x3fff) | 0x0000] = (m_plane_reg & 1) ? data : 0xff; if (m_plane_reg & 0x20) vram[(offset & 0x3fff) | 0x4000] = (m_plane_reg & 2) ? data : 0xff; if (m_plane_reg & 0x40) { vram[(offset & 0x3fff) | 0x8000] = (m_plane_reg & 4) ? data : 0xff; m_attr_latch = m_attr_wrap ? m_attr_latch : m_attr_data; vram[(offset & 0x3fff) | 0xc000] = m_attr_latch; } } else { uint8_t *work_ram = memregion("maincpu")->base(); work_ram[offset+0x8000] = data; } } WRITE8_MEMBER( pasopia7_state::pasopia7_memory_ctrl_w ) { uint8_t *work_ram = memregion("maincpu")->base(); uint8_t *basic = memregion("basic")->base(); switch(data & 3) { case 0: case 3: //select Basic ROM membank("bank1")->set_base(basic + 0x00000); membank("bank2")->set_base(basic + 0x04000); break; case 1: //select Basic ROM + BIOS ROM membank("bank1")->set_base(basic + 0x00000); membank("bank2")->set_base(work_ram + 0x10000); break; case 2: //select Work RAM membank("bank1")->set_base(work_ram + 0x00000); membank("bank2")->set_base(work_ram + 0x04000); break; } m_bank_reg = data & 3; m_vram_sel = data & 4; m_mio_sel = data & 8; // bank4 is always RAM // printf("%02x\n",m_vram_sel); } #if 0 READ8_MEMBER( pasopia7_state::fdc_r ) { return machine().rand(); } #endif WRITE8_MEMBER( pasopia7_state::pac2_w ) { /* select register: 4 = ram1; 3 = ram2; 2 = kanji ROM; 1 = joy; anything else is nop */ if(m_pac2_bank_select == 3 || m_pac2_bank_select == 4) { switch(offset) { case 0: m_pac2_index[(m_pac2_bank_select-3) & 1] = (m_pac2_index[(m_pac2_bank_select-3) & 1] & 0x7f00) | (data & 0xff); break; case 1: m_pac2_index[(m_pac2_bank_select-3) & 1] = (m_pac2_index[(m_pac2_bank_select-3) & 1] & 0xff) | ((data & 0x7f) << 8); break; case 2: // PAC2 RAM write { uint8_t *pac2_ram; pac2_ram = memregion(((m_pac2_bank_select-3) & 1) ? "rampac2" : "rampac1")->base(); pac2_ram[m_pac2_index[(m_pac2_bank_select-3) & 1]] = data; } } } else if(m_pac2_bank_select == 2) // kanji ROM { switch(offset) { case 0: m_kanji_index = (m_kanji_index & 0x1ff00) | ((data & 0xff) << 0); break; case 1: m_kanji_index = (m_kanji_index & 0x100ff) | ((data & 0xff) << 8); break; case 2: m_kanji_index = (m_kanji_index & 0x0ffff) | ((data & 0x01) << 16); break; } } if(offset == 3) { if(data & 0x80) { // ... } else m_pac2_bank_select = data & 7; } } READ8_MEMBER( pasopia7_state::pac2_r ) { if(offset == 2) { if(m_pac2_bank_select == 3 || m_pac2_bank_select == 4) { uint8_t *pac2_ram; pac2_ram = memregion(((m_pac2_bank_select-3) & 1) ? "rampac2" : "rampac1")->base(); return pac2_ram[m_pac2_index[(m_pac2_bank_select-3) & 1]]; } else if(m_pac2_bank_select == 2) { uint8_t *kanji_rom = memregion("kanji")->base(); return kanji_rom[m_kanji_index]; } else { //printf("RAMPAC bank_select = %02x\n",m_pac2_bank_select); } } return 0xff; } /* writes always occurs to the RAM banks, even if the ROMs are selected. */ WRITE8_MEMBER( pasopia7_state::ram_bank_w ) { uint8_t *work_ram = memregion("maincpu")->base(); work_ram[offset] = data; } WRITE8_MEMBER( pasopia7_state::pasopia7_6845_w ) { if(offset == 0) { m_addr_latch = data; m_crtc->address_w(data); } else { /* FIXME: this should be inside the MC6845 core! */ if(m_addr_latch == 0x0a) m_cursor_raster = data; if(m_addr_latch == 0x0e) m_cursor_addr = ((data<<8) & 0x3f00) | (m_cursor_addr & 0xff); else if(m_addr_latch == 0x0f) m_cursor_addr = (m_cursor_addr & 0x3f00) | (data & 0xff); m_crtc->register_w(data); /* double pump the pixel clock if we are in 640 x 200 mode */ if(m_screen_type == 1) // raster m_crtc->set_unscaled_clock( (m_x_width) ? VDP_CLOCK*2 : VDP_CLOCK); else // lcd m_crtc->set_unscaled_clock( (m_x_width) ? LCD_CLOCK*2 : LCD_CLOCK); } } void pasopia7_state::pasopia_nmi_trap() { if(m_nmi_enable_reg) { m_nmi_trap |= 2; if(m_nmi_mask == 0) m_maincpu->set_input_line(INPUT_LINE_NMI, ASSERT_LINE); } } READ8_MEMBER( pasopia7_state::pasopia7_fdc_r ) { switch(offset) { case 4: return m_fdc->msr_r(); case 5: return m_fdc->fifo_r(); //case 6: bit 7 interrupt bit } return 0xff; } WRITE8_MEMBER( pasopia7_state::pasopia7_fdc_w ) { switch(offset) { case 0: m_fdc->tc_w(false); break; case 2: m_fdc->tc_w(true); break; case 5: m_fdc->fifo_w(data); break; case 6: if(data & 0x80) m_fdc->reset(); /* TODO */ m_floppy->mon_w(data & 0x40 ? CLEAR_LINE : ASSERT_LINE); break; } } READ8_MEMBER( pasopia7_state::pasopia7_io_r ) { if(m_mio_sel) { address_space &ram_space = m_maincpu->space(AS_PROGRAM); m_mio_sel = 0; // hack: this is used for reading the keyboard data, we can fake it a little ... (modify fda4) return ram_space.read_byte(offset); } u8 io_port = offset & 0xff; //trim down to 8-bit bus if(io_port >= 0x08 && io_port <= 0x0b) return m_ppi0->read(io_port & 3); else if(io_port >= 0x0c && io_port <= 0x0f) return m_ppi1->read(io_port & 3); else if(io_port == 0x10) return m_crtc->status_r(); else if(io_port == 0x11) return m_crtc->register_r(); else if(io_port >= 0x18 && io_port <= 0x1b) return pac2_r(space, io_port & 3); else if(io_port >= 0x20 && io_port <= 0x23) { pasopia_nmi_trap(); return m_ppi2->read(io_port & 3); } else if(io_port >= 0x28 && io_port <= 0x2b) return m_ctc->read(io_port & 3); else if(io_port >= 0x30 && io_port <= 0x33) return m_pio->read(io_port & 3); // else if(io_port == 0x3a) { SN1 } // else if(io_port == 0x3b) { SN2 } // else if(io_port == 0x3c) { bankswitch } else // if(io_port >= 0xe0 && io_port <= 0xe6) // return pasopia7_fdc_r(space, offset & 7); // else { logerror("(PC=%06x) Read i/o address %02x\n",m_maincpu->pc(),io_port); } return 0xff; } WRITE8_MEMBER( pasopia7_state::pasopia7_io_w ) { if(m_mio_sel) { address_space &ram_space = m_maincpu->space(AS_PROGRAM); m_mio_sel = 0; ram_space.write_byte(offset, data); return; } u8 io_port = offset & 0xff; //trim down to 8-bit bus if(io_port >= 0x08 && io_port <= 0x0b) m_ppi0->write(io_port & 3, data); else if(io_port >= 0x0c && io_port <= 0x0f) m_ppi1->write(io_port & 3, data); else if(io_port >= 0x10 && io_port <= 0x11) pasopia7_6845_w(space, io_port-0x10, data); else if(io_port >= 0x18 && io_port <= 0x1b) pac2_w(space, io_port & 3, data); else if(io_port >= 0x20 && io_port <= 0x23) { m_ppi2->write(io_port & 3, data); pasopia_nmi_trap(); } else if(io_port >= 0x28 && io_port <= 0x2b) m_ctc->write(io_port & 3, data); else if(io_port >= 0x30 && io_port <= 0x33) m_pio->write(io_port & 3, data); else if(io_port == 0x3a) m_sn1->write(data); else if(io_port == 0x3b) m_sn2->write(data); else if(io_port == 0x3c) pasopia7_memory_ctrl_w(space,0, data); else if(io_port >= 0xe0 && io_port <= 0xe6) pasopia7_fdc_w(space, offset & 7, data); else { logerror("(PC=%06x) Write i/o address %02x = %02x\n",m_maincpu->pc(),offset,data); } } void pasopia7_state::pasopia7_mem(address_map &map) { map.unmap_value_high(); map(0x0000, 0x7fff).w(FUNC(pasopia7_state::ram_bank_w)); map(0x0000, 0x3fff).bankr("bank1"); map(0x4000, 0x7fff).bankr("bank2"); map(0x8000, 0xbfff).rw(FUNC(pasopia7_state::vram_r), FUNC(pasopia7_state::vram_w)); map(0xc000, 0xffff).bankrw("bank4"); } void pasopia7_state::pasopia7_io(address_map &map) { map.unmap_value_high(); map(0x0000, 0xffff).rw(FUNC(pasopia7_state::pasopia7_io_r), FUNC(pasopia7_state::pasopia7_io_w)); } static INPUT_PORTS_START( pasopia7 ) PASOPIA_KEYBOARD PORT_MODIFY("KEY.2") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8_PAD) PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9_PAD) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS_PAD) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("+") PORT_CODE(KEYCODE_PLUS_PAD) PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("*") PORT_CODE(KEYCODE_ASTERISK) PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("/") PORT_CODE(KEYCODE_SLASH_PAD) PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_DEL_PAD) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_MODIFY("KEY.3") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_NAME("RIGHT") PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Label") PORT_CODE(KEYCODE_END) PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("INS/DEL") PORT_CHAR(8) PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("TAB/ESC") PORT_CODE(KEYCODE_TAB) PORT_CHAR(9) PORT_BIT( 0xf0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_MODIFY("KEY.4") PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_NAME("HOME/CLS") PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PGUP) PORT_NAME("Kanji") // guess? key has a Japanese label PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Copy") PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_NAME("Stop") PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_NAME("LEFT") PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_NAME("UP/DOWN") PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_NAME("SPACE") PORT_CHAR(' ') INPUT_PORTS_END 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 const gfx_layout p7_chars_16x16 = { 16,16, RGN_FRAC(1,1), 1, { 0 }, { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16,8*16, 9*16, 10*16, 11*16, 12*16, 13*16, 14*16, 15*16 }, 16*16 }; static GFXDECODE_START( gfx_pasopia7 ) GFXDECODE_ENTRY( "font", 0x00000, p7_chars_8x8, 0, 0x10 ) GFXDECODE_ENTRY( "kanji", 0x00000, p7_chars_16x16, 0, 0x10 ) GFXDECODE_END READ8_MEMBER( pasopia7_state::keyb_r ) { u8 data = 0xff; for (u8 j=0; j<3; j++) if (BIT(m_mux_data, 4+j)) for (u8 i=0; i<4; i++) if (BIT(m_mux_data, i)) data &= m_keyboard[j*4+i]->read(); return data; } WRITE8_MEMBER( pasopia7_state::mux_w ) { m_mux_data = data; } static const z80_daisy_config p7_daisy[] = { { "ctc" }, { "pio" }, // { "fdc" }, /* TODO */ { nullptr } }; READ8_MEMBER( pasopia7_state::crtc_portb_r ) { // --x- ---- vsync bit // ---x ---- hardcoded bit, defines if the system screen is raster (1) or LCD (0) // ---- x--- disp bit uint8_t vdisp = (m_screen->vpos() < (m_screen_type ? 200 : 28)) ? 0x08 : 0x00; //TODO: check LCD vpos trigger uint8_t vsync = vdisp ? 0x00 : 0x20; return 0x40 | (m_attr_latch & 0x87) | vsync | vdisp | (m_screen_type << 4); } WRITE8_MEMBER( pasopia7_state::screen_mode_w ) { if(data & 0x5f) printf("GFX MODE %02x\n",data); m_x_width = data & 0x20; m_gfx_mode = data & 0x80; // printf("%02x\n",m_gfx_mode); } WRITE8_MEMBER( pasopia7_state::plane_reg_w ) { //if(data & 0x11) //printf("PLANE %02x\n",data); m_plane_reg = data; } WRITE8_MEMBER( pasopia7_state::video_attr_w ) { //printf("VIDEO ATTR %02x | TEXT_PAGE %02x\n",data & 0xf,data & 0x70); m_attr_data = (data & 0x7) | ((data & 0x8)<<4); } //#include "debugger.h" WRITE8_MEMBER( pasopia7_state::video_misc_w ) { /* --x- ---- blinking ---x ---- attribute wrap ---- x--- pal disable ---- xx-- palette selector (both bits enables this, odd hook-up) */ //if(data & 2) //{ // printf("VIDEO MISC %02x\n",data); // machine().debug_break(); //} m_cursor_blink = data & 0x20; m_attr_wrap = data & 0x10; //m_pal_sel = data & 0x02; } WRITE8_MEMBER( pasopia7_state::nmi_mask_w ) { /* --x- ---- tape motor ---x ---- data rec out ---- --x- sound off ---- ---x reset NMI & trap */ // printf("SYSTEM MISC %02x\n",data); if(data & 1) { m_nmi_reset &= ~4; m_nmi_trap &= ~2; //m_maincpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE); //guess } 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); } /* TODO: investigate on these. */ READ8_MEMBER( pasopia7_state::unk_r ) { return 0xff;//machine().rand(); } READ8_MEMBER( pasopia7_state::nmi_reg_r ) { //printf("C\n"); return 0xfc | m_bank_reg;//machine().rand(); } WRITE8_MEMBER( pasopia7_state::nmi_reg_w ) { /* x--- ---- NMI mask -x-- ---- NMI enable trap on PPI8255 2 r/w */ m_nmi_mask = data & 0x80; m_nmi_enable_reg = data & 0x40; } READ8_MEMBER( pasopia7_state::nmi_porta_r ) { return 0xff; } READ8_MEMBER( pasopia7_state::nmi_portb_r ) { u8 data = (m_cass->input() > +0.04) ? 0x20 : 0; return 0xd9 | data | m_nmi_trap | m_nmi_reset; } WRITE_LINE_MEMBER( pasopia7_state::speaker_w ) { if (state) { m_spr_sw ^= 1; if (BIT(m_mux_data, 7)) m_speaker->level_w(m_spr_sw); } } void pasopia7_state::machine_reset() { uint8_t *bios = memregion("maincpu")->base(); membank("bank1")->set_base(bios + 0x10000); membank("bank2")->set_base(bios + 0x10000); // membank("bank3")->set_base(bios + 0x10000); // membank("bank4")->set_base(bios + 0x10000); m_nmi_reset |= 4; m_porta_2 = 0xFF; m_cass->change_state(CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR); } // TODO: palette values are mostly likely to be wrong in there void pasopia7_state::p7_lcd_palette(palette_device &palette) const { palette.set_pen_color(0, 0xa0, 0xa8, 0xa0); for (int i = 1; i < 8; i++) palette.set_pen_color(i, 0x30, 0x38, 0x10); } void pasopia7_state::fdc_irq(bool state) { m_maincpu->set_input_line(INPUT_LINE_IRQ0, state ? ASSERT_LINE : CLEAR_LINE); } static void pasopia7_floppies(device_slot_interface &device) { device.option_add("525hd", FLOPPY_525_HD); } void pasopia7_state::p7_base(machine_config &config) { /* basic machine hardware */ Z80(config, m_maincpu, 15.9744_MHz_XTAL / 4); m_maincpu->set_addrmap(AS_PROGRAM, &pasopia7_state::pasopia7_mem); m_maincpu->set_addrmap(AS_IO, &pasopia7_state::pasopia7_io); m_maincpu->set_daisy_config(p7_daisy); /* Audio */ SPEAKER(config, "mono").front_center(); SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.50); SN76489A(config, m_sn1, 15.9744_MHz_XTAL / 8).add_route(ALL_OUTPUTS, "mono", 0.50); SN76489A(config, m_sn2, 15.9744_MHz_XTAL / 8).add_route(ALL_OUTPUTS, "mono", 0.50); /* Devices */ Z80CTC(config, m_ctc, 15.9744_MHz_XTAL / 4); m_ctc->intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0); m_ctc->set_clk<0>(15.9744_MHz_XTAL / 4); m_ctc->set_clk<2>(15.9744_MHz_XTAL / 4); m_ctc->zc_callback<0>().set(m_ctc, FUNC(z80ctc_device::trg1)); m_ctc->zc_callback<1>().set(FUNC(pasopia7_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(pasopia7_state::mux_w)); m_pio->in_pb_callback().set(FUNC(pasopia7_state::keyb_r)); I8255(config, m_ppi0); m_ppi0->in_pa_callback().set(FUNC(pasopia7_state::unk_r)); m_ppi0->out_pa_callback().set(FUNC(pasopia7_state::screen_mode_w)); m_ppi0->in_pb_callback().set(FUNC(pasopia7_state::crtc_portb_r)); I8255(config, m_ppi1); m_ppi1->out_pa_callback().set(FUNC(pasopia7_state::plane_reg_w)); m_ppi1->out_pb_callback().set(FUNC(pasopia7_state::video_attr_w)); m_ppi1->out_pc_callback().set(FUNC(pasopia7_state::video_misc_w)); I8255(config, m_ppi2); m_ppi2->in_pa_callback().set(FUNC(pasopia7_state::nmi_porta_r)); m_ppi2->out_pa_callback().set(FUNC(pasopia7_state::nmi_mask_w)); m_ppi2->in_pb_callback().set(FUNC(pasopia7_state::nmi_portb_r)); m_ppi2->in_pc_callback().set(FUNC(pasopia7_state::nmi_reg_r)); m_ppi2->out_pc_callback().set(FUNC(pasopia7_state::nmi_reg_w)); UPD765A(config, m_fdc, 8'000'000, true, true); FLOPPY_CONNECTOR(config, "fdc:0", pasopia7_floppies, "525hd", floppy_image_device::default_floppy_formats); FLOPPY_CONNECTOR(config, "fdc:1", pasopia7_floppies, "525hd", floppy_image_device::default_floppy_formats); 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); } void pasopia7_state::p7_raster(machine_config &config) { p7_base(config); SCREEN(config, m_screen, SCREEN_TYPE_RASTER); m_screen->set_refresh_hz(60); m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ m_screen->set_size(640, 480); m_screen->set_visarea(0, 640-1, 0, 32-1); m_screen->set_palette(m_palette); m_screen->set_screen_update(FUNC(pasopia7_state::screen_update_pasopia7)); MCFG_VIDEO_START_OVERRIDE(pasopia7_state,pasopia7) PALETTE(config, m_palette, palette_device::BRG_3BIT); GFXDECODE(config, "gfxdecode", m_palette, gfx_pasopia7); HD6845S(config, m_crtc, VDP_CLOCK); // HD46505S m_crtc->set_screen(m_screen); m_crtc->set_show_border_area(false); m_crtc->set_char_width(8); } void pasopia7_state::p7_lcd(machine_config &config) { p7_base(config); SCREEN(config, m_screen, SCREEN_TYPE_LCD); m_screen->set_refresh_hz(60); m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ m_screen->set_size(640, 480); m_screen->set_visarea(0, 640-1, 0, 200-1); m_screen->set_screen_update(FUNC(pasopia7_state::screen_update_pasopia7)); m_screen->set_palette(m_palette); MCFG_VIDEO_START_OVERRIDE(pasopia7_state,pasopia7) PALETTE(config, m_palette, FUNC(pasopia7_state::p7_lcd_palette), 8); GFXDECODE(config, "gfxdecode", m_palette, gfx_pasopia7); HD6845S(config, m_crtc, LCD_CLOCK); /* unknown variant, unknown clock, hand tuned to get ~60 fps */ m_crtc->set_screen(m_screen); m_crtc->set_show_border_area(false); m_crtc->set_char_width(8); } /* ROM definition */ ROM_START( pasopia7 ) ROM_REGION( 0x14000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "bios.rom", 0x10000, 0x4000, CRC(b8111407) SHA1(ac93ae62db4c67de815f45de98c79cfa1313857d)) ROM_REGION( 0x8000, "basic", ROMREGION_ERASEFF ) ROM_LOAD( "basic.rom", 0x0000, 0x8000, CRC(8a58fab6) SHA1(5e1a91dfb293bca5cf145b0a0c63217f04003ed1)) ROM_REGION( 0x800, "font", ROMREGION_ERASEFF ) ROM_LOAD( "font.rom", 0x0000, 0x0800, CRC(a91c45a9) SHA1(a472adf791b9bac3dfa6437662e1a9e94a88b412)) ROM_REGION( 0x20000, "kanji", ROMREGION_ERASEFF ) ROM_LOAD( "kanji.rom", 0x0000, 0x20000, CRC(6109e308) SHA1(5c21cf1f241ef1fa0b41009ea41e81771729785f)) ROM_REGION( 0x8000, "rampac1", ROMREGION_ERASEFF ) // ROM_LOAD( "rampac1.bin", 0x0000, 0x8000, CRC(0e4f09bd) SHA1(4088906d57e4f6085a75b249a6139a0e2eb531a1) ) ROM_REGION( 0x8000, "rampac2", ROMREGION_ERASEFF ) // ROM_LOAD( "rampac2.bin", 0x0000, 0x8000, CRC(0e4f09bd) SHA1(4088906d57e4f6085a75b249a6139a0e2eb531a1) ) ROM_REGION( 0x10000, "vram", ROMREGION_ERASE00 ) ROM_END /* using an identical ROMset from now, but the screen type is different */ ROM_START( pasopia7lcd ) ROM_REGION( 0x14000, "maincpu", ROMREGION_ERASEFF ) ROM_LOAD( "bios.rom", 0x10000, 0x4000, CRC(b8111407) SHA1(ac93ae62db4c67de815f45de98c79cfa1313857d)) ROM_REGION( 0x8000, "basic", ROMREGION_ERASEFF ) ROM_LOAD( "basic.rom", 0x0000, 0x8000, CRC(8a58fab6) SHA1(5e1a91dfb293bca5cf145b0a0c63217f04003ed1)) ROM_REGION( 0x800, "font", ROMREGION_ERASEFF ) ROM_LOAD( "font.rom", 0x0000, 0x0800, BAD_DUMP CRC(a91c45a9) SHA1(a472adf791b9bac3dfa6437662e1a9e94a88b412)) ROM_REGION( 0x20000, "kanji", ROMREGION_ERASEFF ) ROM_LOAD( "kanji.rom", 0x0000, 0x20000, CRC(6109e308) SHA1(5c21cf1f241ef1fa0b41009ea41e81771729785f)) ROM_REGION( 0x8000, "rampac1", ROMREGION_ERASEFF ) // ROM_LOAD( "rampac1.bin", 0x0000, 0x8000, CRC(0e4f09bd) SHA1(4088906d57e4f6085a75b249a6139a0e2eb531a1) ) ROM_REGION( 0x8000, "rampac2", ROMREGION_ERASEFF ) // ROM_LOAD( "rampac2.bin", 0x0000, 0x8000, CRC(0e4f09bd) SHA1(4088906d57e4f6085a75b249a6139a0e2eb531a1) ) ROM_REGION( 0x10000, "vram", ROMREGION_ERASE00 ) ROM_END void pasopia7_state::init_p7_raster() { m_screen_type = 1; m_pio_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(pasopia7_state::pio_timer), this)); m_pio_timer->adjust(attotime::from_hz(5000), 0, attotime::from_hz(5000)); } void pasopia7_state::init_p7_lcd() { m_screen_type = 0; m_pio_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(pasopia7_state::pio_timer), this)); m_pio_timer->adjust(attotime::from_hz(5000), 0, attotime::from_hz(5000)); } /* Driver */ COMP( 1983, pasopia7, 0, 0, p7_raster, pasopia7, pasopia7_state, init_p7_raster, "Toshiba", "Pasopia 7 (Raster)", MACHINE_NOT_WORKING ) COMP( 1983, pasopia7lcd, pasopia7, 0, p7_lcd, pasopia7, pasopia7_state, init_p7_lcd, "Toshiba", "Pasopia 7 (LCD)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS )