// license:MAME // copyright-holders:Angelo Salese /************************************************************************************************** Toshiba Pasopia 7 (c) 1983 Toshiba preliminary driver by Angelo Salese TODO: - floppy support (but floppy images are unobtainable at current time) - cassette device; - beeper - 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); Reading fdc has been commented out, until the code can be modified to work with new upd765 (was causing a hang at boot). ***************************************************************************************************/ #include "emu.h" #include "cpu/z80/z80.h" #include "machine/z80ctc.h" #include "machine/i8255.h" #include "machine/z80pio.h" #include "machine/upd765.h" #include "sound/sn76496.h" #include "video/mc6845.h" #include "rendlay.h" #include "includes/pasopia.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_ppi0(*this, "ppi8255_0"), m_ppi1(*this, "ppi8255_1"), m_ppi2(*this, "ppi8255_2"), m_ctc(*this, "z80ctc"), m_pio(*this, "z80pio"), 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") { } required_device m_maincpu; 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; 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(mux_r); 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); UINT8 m_vram_sel; UINT8 m_mio_sel; UINT8 *m_p7_pal; UINT8 m_bank_reg; UINT16 m_cursor_addr; UINT8 m_cursor_blink; UINT8 m_cursor_raster; UINT8 m_plane_reg; UINT8 m_attr_data; UINT8 m_attr_wrap; UINT8 m_attr_latch; UINT8 m_pal_sel; UINT8 m_x_width; UINT8 m_gfx_mode; UINT8 m_nmi_mask; UINT8 m_nmi_enable_reg; UINT8 m_nmi_trap; UINT8 m_nmi_reset; UINT16 m_pac2_index[2]; UINT32 m_kanji_index; UINT8 m_pac2_bank_select; UINT8 m_screen_type; int m_addr_latch; void pasopia_nmi_trap(); UINT8 m_mux_data; DECLARE_DRIVER_INIT(p7_lcd); DECLARE_DRIVER_INIT(p7_raster); virtual void machine_reset(); DECLARE_VIDEO_START(pasopia7); DECLARE_PALETTE_INIT(p7_raster); DECLARE_PALETTE_INIT(p7_lcd); UINT32 screen_update_pasopia7(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); void fdc_irq(bool state); TIMER_CALLBACK_MEMBER(pio_timer); 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); }; #define VDP_CLOCK XTAL_3_579545MHz/4 #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 = auto_alloc_array(machine(), UINT8, 0x10); } void pasopia7_state::draw_cg4_screen(bitmap_ind16 &bitmap,const rectangle &cliprect,int width) { UINT8 *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 *vram = memregion("vram")->base(); UINT8 *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(machine().first_screen()->frame_number() & 0x10) { cursor_on = 1; } break; //fast blink case 0x60: if(machine().first_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 *vram = memregion("vram")->base(); UINT8 *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(machine().first_screen()->frame_number() & 0x10) { cursor_on = 1; } break; //fast blink case 0x60: if(machine().first_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 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 *vram = memregion("vram")->base(); UINT8 res; if (m_vram_sel == 0) { UINT8 *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 *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 *work_ram = memregion("maincpu")->base(); work_ram[offset+0x8000] = data; } } WRITE8_MEMBER( pasopia7_state::pasopia7_memory_ctrl_w ) { UINT8 *work_ram = memregion("maincpu")->base(); UINT8 *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 *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 *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 *kanji_rom = memregion("kanji")->base(); return kanji_rom[m_kanji_index]; } else { printf("%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 *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(space, offset, 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(space, offset, data); /* double pump the pixel clock if we are in 640 x 200 mode */ if(m_screen_type == 1) // raster m_crtc->set_clock( (m_x_width) ? VDP_CLOCK*2 : VDP_CLOCK); else // lcd m_crtc->set_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(space, 0, 0xff); case 5: return m_fdc->fifo_r(space, 0, 0xff); //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(space, 0, data, 0xff); 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 ) { UINT16 io_port; if(m_mio_sel) { address_space &ram_space = m_maincpu->space(AS_PROGRAM); m_mio_sel = 0; //printf("%08x\n",offset); //return 0x0d; // hack: this is used for reading the keyboard data, we can fake it a little ... (modify fda4) return ram_space.read_byte(offset); } io_port = offset & 0xff; //trim down to 8-bit bus if(io_port >= 0x08 && io_port <= 0x0b) return m_ppi0->read(space, io_port & 3); else if(io_port >= 0x0c && io_port <= 0x0f) return m_ppi1->read(space, io_port & 3); // else if(io_port == 0x10 || io_port == 0x11) { M6845 read } 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(space, io_port & 3); } else if(io_port >= 0x28 && io_port <= 0x2b) return m_ctc->read(space,io_port & 3); else if(io_port >= 0x30 && io_port <= 0x33) return m_pio->read(space, 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 ) { UINT16 io_port; if(m_mio_sel) { address_space &ram_space = m_maincpu->space(AS_PROGRAM); m_mio_sel = 0; ram_space.write_byte(offset, data); return; } io_port = offset & 0xff; //trim down to 8-bit bus if(io_port >= 0x08 && io_port <= 0x0b) m_ppi0->write(space, io_port & 3, data); else if(io_port >= 0x0c && io_port <= 0x0f) m_ppi1->write(space, 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(space, io_port & 3, data); pasopia_nmi_trap(); } else if(io_port >= 0x28 && io_port <= 0x2b) m_ctc->write(space, io_port & 3, data); else if(io_port >= 0x30 && io_port <= 0x33) m_pio->write(space, io_port & 3, data); else if(io_port == 0x3a) m_sn1->write(space, 0, data); else if(io_port == 0x3b) m_sn2->write(space, 0, 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); } } static ADDRESS_MAP_START(pasopia7_mem, AS_PROGRAM, 8, pasopia7_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE( 0x0000, 0x7fff ) AM_WRITE( ram_bank_w ) AM_RANGE( 0x0000, 0x3fff ) AM_ROMBANK("bank1") AM_RANGE( 0x4000, 0x7fff ) AM_ROMBANK("bank2") AM_RANGE( 0x8000, 0xbfff ) AM_READWRITE(vram_r, vram_w ) AM_RANGE( 0xc000, 0xffff ) AM_RAMBANK("bank4") ADDRESS_MAP_END static ADDRESS_MAP_START(pasopia7_io, AS_IO, 8, pasopia7_state) ADDRESS_MAP_UNMAP_HIGH AM_RANGE( 0x0000, 0xffff) AM_READWRITE( pasopia7_io_r, pasopia7_io_w ) ADDRESS_MAP_END /* TODO: where are SPACE and RETURN keys? */ static INPUT_PORTS_START( pasopia7 ) PASOPIA_KEYBOARD 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( pasopia7 ) GFXDECODE_ENTRY( "font", 0x00000, p7_chars_8x8, 0, 0x10 ) GFXDECODE_ENTRY( "kanji", 0x00000, p7_chars_16x16, 0, 0x10 ) GFXDECODE_END static MC6845_INTERFACE( mc6845_intf ) { false, /* show border area */ 0,0,0,0, /* visarea adjustment */ 8, /* number of pixels per video memory address */ NULL, /* before pixel update callback */ NULL, /* row update callback */ NULL, /* after pixel update callback */ DEVCB_NULL, /* callback for display state changes */ DEVCB_NULL, /* callback for cursor state changes */ DEVCB_NULL, /* HSYNC callback */ DEVCB_NULL, /* VSYNC callback */ NULL /* update address callback */ }; static Z80CTC_INTERFACE( z80ctc_intf ) { DEVCB_CPU_INPUT_LINE("maincpu", INPUT_LINE_IRQ0), // interrupt handler DEVCB_DEVICE_LINE_MEMBER("z80ctc", z80ctc_device, trg1), // ZC/TO0 callback DEVCB_DEVICE_LINE_MEMBER("z80ctc", z80ctc_device, trg2), // ZC/TO1 callback, beep interface DEVCB_DEVICE_LINE_MEMBER("z80ctc", z80ctc_device, trg3) // ZC/TO2 callback }; READ8_MEMBER( pasopia7_state::mux_r ) { return m_mux_data; } READ8_MEMBER( pasopia7_state::keyb_r ) { const char *const keynames[3][4] = { { "KEY0", "KEY1", "KEY2", "KEY3" }, { "KEY4", "KEY5", "KEY6", "KEY7" }, { "KEY8", "KEY9", "KEYA", "KEYB" } }; int i,j; UINT8 res; res = 0; for(j=0;j<3;j++) { if(m_mux_data & 0x10 << j) { for(i=0;i<4;i++) { if(m_mux_data & 1 << i) res |= ioport(keynames[j][i])->read(); } } } return res ^ 0xff; } WRITE8_MEMBER( pasopia7_state::mux_w ) { m_mux_data = data; } static Z80PIO_INTERFACE( z80pio_intf ) { DEVCB_CPU_INPUT_LINE("maincpu", INPUT_LINE_IRQ0), //doesn't work? DEVCB_DRIVER_MEMBER(pasopia7_state, mux_r), DEVCB_DRIVER_MEMBER(pasopia7_state, mux_w), DEVCB_NULL, DEVCB_DRIVER_MEMBER(pasopia7_state, keyb_r), DEVCB_NULL, DEVCB_NULL }; static const z80_daisy_config p7_daisy[] = { { "z80ctc" }, { "z80pio" }, // { "fdc" }, /* TODO */ { NULL } }; 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 vdisp = (machine().first_screen()->vpos() < (m_screen_type ? 200 : 28)) ? 0x08 : 0x00; //TODO: check LCD vpos trigger UINT8 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); // debugger_break(device->machine()); // } m_cursor_blink = data & 0x20; m_attr_wrap = data & 0x10; // m_pal_sel = data & 0x02; } WRITE8_MEMBER( pasopia7_state::nmi_mask_w ) { /* --x- ---- (related to the data rec) ---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 } } /* 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 ) { return 0xf9 | m_nmi_trap | m_nmi_reset; } static I8255_INTERFACE( ppi8255_intf_0 ) { DEVCB_DRIVER_MEMBER(pasopia7_state, unk_r), /* Port A read */ DEVCB_DRIVER_MEMBER(pasopia7_state, screen_mode_w), /* Port A write */ DEVCB_DRIVER_MEMBER(pasopia7_state, crtc_portb_r), /* Port B read */ DEVCB_NULL, /* Port B write */ DEVCB_NULL, /* Port C read */ DEVCB_NULL /* Port C write */ }; static I8255_INTERFACE( ppi8255_intf_1 ) { DEVCB_NULL, /* Port A read */ DEVCB_DRIVER_MEMBER(pasopia7_state, plane_reg_w), /* Port A write */ DEVCB_NULL, /* Port B read */ DEVCB_DRIVER_MEMBER(pasopia7_state, video_attr_w), /* Port B write */ DEVCB_NULL, /* Port C read */ DEVCB_DRIVER_MEMBER(pasopia7_state, video_misc_w) /* Port C write */ }; static I8255_INTERFACE( ppi8255_intf_2 ) { DEVCB_DRIVER_MEMBER(pasopia7_state, nmi_porta_r), /* Port A read */ DEVCB_DRIVER_MEMBER(pasopia7_state, nmi_mask_w), /* Port A write */ DEVCB_DRIVER_MEMBER(pasopia7_state, nmi_portb_r), /* Port B read */ DEVCB_NULL, /* Port B write */ DEVCB_DRIVER_MEMBER(pasopia7_state, nmi_reg_r), /* Port C read */ DEVCB_DRIVER_MEMBER(pasopia7_state, nmi_reg_w) /* Port C write */ }; void pasopia7_state::machine_reset() { UINT8 *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; } PALETTE_INIT_MEMBER(pasopia7_state,p7_raster) { int i; for( i = 0; i < 8; i++) palette.set_pen_color(i, pal1bit(i >> 1), pal1bit(i >> 2), pal1bit(i >> 0)); } /* TODO: palette values are mostly likely to be wrong in there */ PALETTE_INIT_MEMBER(pasopia7_state,p7_lcd) { int i; palette.set_pen_color(0, 0xa0, 0xa8, 0xa0); for( 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 SLOT_INTERFACE_START( pasopia7_floppies ) SLOT_INTERFACE( "525hd", FLOPPY_525_HD ) SLOT_INTERFACE_END static MACHINE_CONFIG_START( p7_base, pasopia7_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz) MCFG_CPU_PROGRAM_MAP(pasopia7_mem) MCFG_CPU_IO_MAP(pasopia7_io) MCFG_CPU_CONFIG(p7_daisy) /* Audio */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("sn1", SN76489A, 1996800) // unknown clock / divider MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) MCFG_SOUND_ADD("sn2", SN76489A, 1996800) // unknown clock / divider MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.50) /* Devices */ MCFG_Z80CTC_ADD( "z80ctc", XTAL_4MHz, z80ctc_intf ) MCFG_Z80PIO_ADD( "z80pio", XTAL_4MHz, z80pio_intf ) MCFG_I8255_ADD( "ppi8255_0", ppi8255_intf_0 ) MCFG_I8255_ADD( "ppi8255_1", ppi8255_intf_1 ) MCFG_I8255_ADD( "ppi8255_2", ppi8255_intf_2 ) MCFG_UPD765A_ADD("fdc", true, true) MCFG_FLOPPY_DRIVE_ADD("fdc:0", pasopia7_floppies, "525hd", floppy_image_device::default_floppy_formats) MCFG_FLOPPY_DRIVE_ADD("fdc:1", pasopia7_floppies, "525hd", floppy_image_device::default_floppy_formats) MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( p7_raster, p7_base ) MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_SIZE(640, 480) MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 32-1) MCFG_SCREEN_PALETTE("palette") MCFG_VIDEO_START_OVERRIDE(pasopia7_state,pasopia7) MCFG_SCREEN_UPDATE_DRIVER(pasopia7_state, screen_update_pasopia7) MCFG_PALETTE_ADD("palette", 8) MCFG_PALETTE_INIT_OWNER(pasopia7_state,p7_raster) MCFG_GFXDECODE_ADD("gfxdecode", "palette", pasopia7 ) MCFG_MC6845_ADD("crtc", H46505, "screen", VDP_CLOCK, mc6845_intf) /* unknown clock, hand tuned to get ~60 fps */ MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( p7_lcd, p7_base ) MCFG_SCREEN_ADD("screen", LCD) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_SIZE(640, 480) MCFG_SCREEN_VISIBLE_AREA(0, 640-1, 0, 200-1) MCFG_VIDEO_START_OVERRIDE(pasopia7_state,pasopia7) MCFG_SCREEN_UPDATE_DRIVER(pasopia7_state, screen_update_pasopia7) MCFG_SCREEN_PALETTE("palette") MCFG_PALETTE_ADD("palette", 8) MCFG_PALETTE_INIT_OWNER(pasopia7_state,p7_lcd) MCFG_GFXDECODE_ADD("gfxdecode", "palette", pasopia7 ) MCFG_MC6845_ADD("crtc", H46505, "screen", LCD_CLOCK, mc6845_intf) /* unknown clock, hand tuned to get ~60 fps */ MCFG_DEFAULT_LAYOUT( layout_lcd ) MACHINE_CONFIG_END /* 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 DRIVER_INIT_MEMBER(pasopia7_state,p7_raster) { m_screen_type = 1; machine().scheduler().timer_pulse(attotime::from_hz(500), timer_expired_delegate(FUNC(pasopia7_state::pio_timer),this)); } DRIVER_INIT_MEMBER(pasopia7_state,p7_lcd) { m_screen_type = 0; machine().scheduler().timer_pulse(attotime::from_hz(500), timer_expired_delegate(FUNC(pasopia7_state::pio_timer),this)); } /* Driver */ COMP( 1983, pasopia7, 0, 0, p7_raster, pasopia7, pasopia7_state, p7_raster, "Toshiba", "Pasopia 7 (Raster)", GAME_NOT_WORKING ) COMP( 1983, pasopia7lcd, pasopia7, 0, p7_lcd, pasopia7, pasopia7_state, p7_lcd, "Toshiba", "Pasopia 7 (LCD)", GAME_NOT_WORKING | GAME_IMPERFECT_GRAPHICS )