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-rw-r--r--src/mame/drivers/pasopia7.c1066
1 files changed, 1066 insertions, 0 deletions
diff --git a/src/mame/drivers/pasopia7.c b/src/mame/drivers/pasopia7.c
new file mode 100644
index 00000000000..926b4401a1a
--- /dev/null
+++ b/src/mame/drivers/pasopia7.c
@@ -0,0 +1,1066 @@
+// 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 )