diff options
Diffstat (limited to 'src/mess/drivers/pasopia7.c')
-rw-r--r-- | src/mess/drivers/pasopia7.c | 1066 |
1 files changed, 0 insertions, 1066 deletions
diff --git a/src/mess/drivers/pasopia7.c b/src/mess/drivers/pasopia7.c deleted file mode 100644 index 926b4401a1a..00000000000 --- a/src/mess/drivers/pasopia7.c +++ /dev/null @@ -1,1066 +0,0 @@ -// license:BSD-3-Clause -// 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<cpu_device> m_maincpu; - 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<upd765a_device> m_fdc; - required_device<floppy_image_device> m_floppy; - required_device<sn76489a_device> m_sn1; - required_device<sn76489a_device> m_sn2; - required_device<palette_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_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<width;x++) - { - int tile = vram[count+0x8000]; - int attr = vram[count+0xc000]; - int color = attr & 7; - - for(yi=0;yi<8;yi++) - { - 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; - } - } -} - -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<width;x++) - { - int tile = vram[count+0x8000]; - - for(yi=0;yi<8;yi++) - { - int attr = vram[count+0xc000+yi]; - - if(attr & 0x80) - { - for(xi=0;xi<8;xi++) - { - int pen,pen_b,pen_r,pen_g; - - pen_b = (vram[count+yi+0x0000]>>(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 - -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 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; -} - -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; -} - -/* 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_DEVICE_ADD("z80ctc", Z80CTC, XTAL_4MHz) - MCFG_Z80CTC_INTR_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) - MCFG_Z80CTC_ZC0_CB(DEVWRITELINE("z80ctc", z80ctc_device, trg1)) - MCFG_Z80CTC_ZC1_CB(DEVWRITELINE("z80ctc", z80ctc_device, trg2)) // beep interface - MCFG_Z80CTC_ZC2_CB(DEVWRITELINE("z80ctc", z80ctc_device, trg3)) - - MCFG_DEVICE_ADD("z80pio", Z80PIO, XTAL_4MHz) - MCFG_Z80PIO_OUT_INT_CB(INPUTLINE("maincpu", INPUT_LINE_IRQ0)) - MCFG_Z80PIO_IN_PA_CB(READ8(pasopia7_state, mux_r)) - MCFG_Z80PIO_OUT_PA_CB(WRITE8(pasopia7_state, mux_w)) - MCFG_Z80PIO_IN_PB_CB(READ8(pasopia7_state, keyb_r)) - - MCFG_DEVICE_ADD("ppi8255_0", I8255, 0) - MCFG_I8255_IN_PORTA_CB(READ8(pasopia7_state, unk_r)) - MCFG_I8255_OUT_PORTA_CB(WRITE8(pasopia7_state, screen_mode_w)) - MCFG_I8255_IN_PORTB_CB(READ8(pasopia7_state, crtc_portb_r)) - - MCFG_DEVICE_ADD("ppi8255_1", I8255, 0) - MCFG_I8255_OUT_PORTA_CB(WRITE8(pasopia7_state, plane_reg_w)) - MCFG_I8255_OUT_PORTB_CB(WRITE8(pasopia7_state, video_attr_w)) - MCFG_I8255_OUT_PORTC_CB(WRITE8(pasopia7_state, video_misc_w)) - - MCFG_DEVICE_ADD("ppi8255_2", I8255, 0) - MCFG_I8255_IN_PORTA_CB(READ8(pasopia7_state, nmi_porta_r)) - MCFG_I8255_OUT_PORTA_CB(WRITE8(pasopia7_state, nmi_mask_w)) - MCFG_I8255_IN_PORTB_CB(READ8(pasopia7_state, nmi_portb_r)) - MCFG_I8255_IN_PORTC_CB(READ8(pasopia7_state, nmi_reg_r)) - MCFG_I8255_OUT_PORTC_CB(WRITE8(pasopia7_state, nmi_reg_w)) - - 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_3BIT_BRG("palette") - MCFG_GFXDECODE_ADD("gfxdecode", "palette", pasopia7 ) - - MCFG_MC6845_ADD("crtc", H46505, "screen", VDP_CLOCK) /* unknown clock, hand tuned to get ~60 fps */ - MCFG_MC6845_SHOW_BORDER_AREA(false) - MCFG_MC6845_CHAR_WIDTH(8) -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) /* unknown clock, hand tuned to get ~60 fps */ - MCFG_MC6845_SHOW_BORDER_AREA(false) - MCFG_MC6845_CHAR_WIDTH(8) - - 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)", MACHINE_NOT_WORKING ) -COMP( 1983, pasopia7lcd, pasopia7, 0, p7_lcd, pasopia7, pasopia7_state, p7_lcd, "Toshiba", "Pasopia 7 (LCD)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_GRAPHICS ) |