diff options
Diffstat (limited to 'src/mame/drivers/rt1715.cpp')
-rw-r--r-- | src/mame/drivers/rt1715.cpp | 726 |
1 files changed, 0 insertions, 726 deletions
diff --git a/src/mame/drivers/rt1715.cpp b/src/mame/drivers/rt1715.cpp deleted file mode 100644 index fef76862797..00000000000 --- a/src/mame/drivers/rt1715.cpp +++ /dev/null @@ -1,726 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Miodrag Milanovic, Robbbert, Sergey Svishchev -/*************************************************************************** - - Robotron PC-1715 - - 10/06/2008 Preliminary driver. - - Notes: - - keyboard connected to sio channel a - - sio channel a clock output connected to ctc trigger 0 - - memory map not 100% clear - - rt1715w: SCP3 boot loops while executing PROFILE.SUB - - Docs: - - http://www.robotrontechnik.de/html/computer/pc1715w.htm - - https://www.tiffe.de/Robotron/PC1715/ -- scanned PDFs - https://www.tiffe.de/Robotron/PC1715/MANUAL_PC_1715.pdf - - http://www.sax.de/~zander/pc1715/pc_bw.html -- typeset PDFs - http://www.sax.de/~zander/pc1715/doku/pc_manu.pdf - - http://xepb.org/robotron/ - -****************************************************************************/ - -#include "emu.h" -#include "cpu/z80/z80.h" -#include "imagedev/floppy.h" -#include "machine/bankdev.h" -#include "machine/ram.h" -#include "machine/upd765.h" -#include "machine/z80ctc.h" -#include "machine/z80sio.h" -#include "machine/z80dma.h" -#include "machine/z80pio.h" -#include "video/i8275.h" -#include "emupal.h" -#include "screen.h" - - -class rt1715_state : public driver_device -{ -public: - rt1715_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_maincpu(*this, "maincpu") - , m_ram(*this, RAM_TAG) - , m_bankdev(*this, "bankdev%u", 0U) - , m_sio0(*this, "sio0") - , m_ctc0(*this, "ctc0") - , m_fdc(*this, "i8272") - , m_floppy(*this, "i8272:%u", 0U) - , m_dma(*this, "z80dma") - , m_ctc2(*this, "ctc2") - , m_screen(*this, "screen") - , m_palette(*this, "palette") - , m_crtc(*this, "i8275") - , m_p_chargen(*this, "gfx") - , m_p_videoram(*this, "videoram") - { - } - - void rt1715(machine_config &config); - void rt1715w(machine_config &config); - -private: - DECLARE_READ8_MEMBER(memory_read_byte); - DECLARE_WRITE8_MEMBER(memory_write_byte); - DECLARE_READ8_MEMBER(io_read_byte); - DECLARE_WRITE8_MEMBER(io_write_byte); - DECLARE_WRITE_LINE_MEMBER(busreq_w); - DECLARE_WRITE_LINE_MEMBER(tc_w); - DECLARE_WRITE8_MEMBER(rt1715_floppy_enable); - DECLARE_READ8_MEMBER(k7658_led1_r); - DECLARE_READ8_MEMBER(k7658_led2_r); - DECLARE_READ8_MEMBER(k7658_data_r); - DECLARE_WRITE8_MEMBER(k7658_data_w); - DECLARE_WRITE8_MEMBER(rt1715_rom_disable); - DECLARE_WRITE8_MEMBER(rt1715w_set_bank); - DECLARE_WRITE8_MEMBER(rt1715w_floppy_motor); - DECLARE_WRITE8_MEMBER(rt1715w_krfd_w); - void rt1715_palette(palette_device &palette) const; - I8275_DRAW_CHARACTER_MEMBER(crtc_display_pixels); - DECLARE_WRITE_LINE_MEMBER(crtc_drq_w); - - void k7658_io(address_map &map); - void k7658_mem(address_map &map); - void rt1715_base_io(address_map &map); - void rt1715_io(address_map &map); - void rt1715w_io(address_map &map); - void rt1715_mem(address_map &map); - void rt1715w_mem(address_map &map); - void rt1715w_m1(address_map &map); - void rt1715w_banked_mem(address_map &map); - - DECLARE_MACHINE_START(rt1715); - DECLARE_MACHINE_RESET(rt1715); - DECLARE_MACHINE_START(rt1715w); - DECLARE_MACHINE_RESET(rt1715w); - - required_device<z80_device> m_maincpu; - required_device<ram_device> m_ram; - optional_device_array<address_map_bank_device, 3> m_bankdev; - required_device<z80sio_device> m_sio0; - required_device<z80ctc_device> m_ctc0; - optional_device<i8272a_device> m_fdc; - optional_device_array<floppy_connector, 2> m_floppy; - optional_device<z80dma_device> m_dma; - optional_device<z80ctc_device> m_ctc2; - required_device<screen_device> m_screen; - required_device<palette_device> m_palette; - required_device<i8275_device> m_crtc; - required_region_ptr<uint8_t> m_p_chargen; - optional_shared_ptr<uint8_t> m_p_videoram; - - int m_led1_val; - int m_led2_val; - u8 m_krfd; - uint16_t m_dma_adr; - int m_r, m_w; -}; - - -/*************************************************************************** - FLOPPY -***************************************************************************/ - -WRITE8_MEMBER(rt1715_state::rt1715_floppy_enable) -{ - logerror("%s: rt1715_floppy_enable %02x\n", machine().describe_context(), data); -} - -WRITE8_MEMBER(rt1715_state::rt1715w_floppy_motor) -{ - logerror("%s: rt1715w_floppy_motor %02x\n", machine().describe_context(), data); - - if (m_floppy[0]->get_device()) m_floppy[0]->get_device()->mon_w(data & 0x80 ? 1 : 0); - if (m_floppy[1]->get_device()) m_floppy[1]->get_device()->mon_w(data & 0x08 ? 1 : 0); -} - -WRITE8_MEMBER(rt1715_state::rt1715w_krfd_w) -{ - logerror("%s: rt1715w_krfd_w %02x\n", machine().describe_context(), data); - m_krfd = data; -} - -WRITE_LINE_MEMBER(rt1715_state::tc_w) -{ - m_fdc->tc_w(state & BIT(m_krfd, 7)); -} - -/*************************************************************************** - KEYBOARD -***************************************************************************/ - -/* si/so led */ -READ8_MEMBER(rt1715_state::k7658_led1_r) -{ - m_led1_val ^= 1; - logerror("%s: k7658_led1_r %02x\n", machine().describe_context(), m_led1_val); - return 0xff; -} - -/* caps led */ -READ8_MEMBER(rt1715_state::k7658_led2_r) -{ - m_led2_val ^= 1; - logerror("%s: k7658_led2_r %02x\n", machine().describe_context(), m_led2_val); - return 0xff; -} - -/* read key state */ -READ8_MEMBER(rt1715_state::k7658_data_r) -{ - uint8_t result = 0xff; - - if (BIT(offset, 0)) result &= ioport("row_00")->read(); - if (BIT(offset, 1)) result &= ioport("row_10")->read(); - if (BIT(offset, 2)) result &= ioport("row_20")->read(); - if (BIT(offset, 3)) result &= ioport("row_30")->read(); - if (BIT(offset, 4)) result &= ioport("row_40")->read(); - if (BIT(offset, 5)) result &= ioport("row_50")->read(); - if (BIT(offset, 6)) result &= ioport("row_60")->read(); - if (BIT(offset, 7)) result &= ioport("row_70")->read(); - if (BIT(offset, 8)) result &= ioport("row_08")->read(); - if (BIT(offset, 9)) result &= ioport("row_18")->read(); - if (BIT(offset, 10)) result &= ioport("row_28")->read(); - if (BIT(offset, 11)) result &= ioport("row_38")->read(); - if (BIT(offset, 12)) result &= ioport("row_48")->read(); - - return result; -} - -/* serial output on D0 */ -WRITE8_MEMBER(rt1715_state::k7658_data_w) -{ - logerror("%s: k7658_data_w %02x\n", machine().describe_context(), BIT(data, 0)); -} - - -/*************************************************************************** - MEMORY HANDLING -***************************************************************************/ - -MACHINE_START_MEMBER(rt1715_state, rt1715) -{ - membank("bank2")->set_base(m_ram->pointer() + 0x0800); - membank("bank3")->set_base(m_ram->pointer()); -} - -MACHINE_RESET_MEMBER(rt1715_state, rt1715) -{ - /* on reset, enable ROM */ - membank("bank1")->set_base(memregion("ipl")->base()); -} - -WRITE8_MEMBER(rt1715_state::rt1715_rom_disable) -{ - logerror("%s: rt1715_set_bank %02x\n", machine().describe_context(), data); - - /* disable ROM, enable RAM */ - membank("bank1")->set_base(m_ram->pointer()); -} - -MACHINE_START_MEMBER(rt1715_state, rt1715w) -{ - membank("bank2")->set_base(m_ram->pointer() + 0x4000); - membank("bank3")->set_base(m_ram->pointer()); -} - -MACHINE_RESET_MEMBER(rt1715_state, rt1715w) -{ - m_dma->rdy_w(1); - m_krfd = 0; - m_dma_adr = 0; - m_r = 0; - m_w = 0; - - m_bankdev[0]->set_bank(m_r); - m_bankdev[1]->set_bank(m_w); - m_bankdev[2]->set_bank(m_r); -} - -/* - b2..0 = AB18..16 - - 0 - Hintergrundbank (Bildschirm, Zeichengeneratoren) - 1 - Systembank (gebanktes BIOS, BDOS) - 2 - Anwenderbank (TPA) - 3 - RAM-Disk - 4 - RAM-Disk - 5 - RAM-Disk -*/ -WRITE8_MEMBER(rt1715_state::rt1715w_set_bank) -{ - int r = data >> 4; - int w = data & 15; - - logerror("%s: rt1715w_set_bank target %x source %x%s\n", machine().describe_context(), w, r, r == w ? "" : " DIFF"); - - m_bankdev[0]->set_bank(r); - m_bankdev[1]->set_bank(w); - if (r < 2) m_bankdev[2]->set_bank(r); - - m_r = r; - m_w = w; -} - -READ8_MEMBER(rt1715_state::memory_read_byte) -{ - uint8_t data = 0; - - switch (m_r) - { - case 0: - data = m_maincpu->space(AS_PROGRAM).read_byte(offset); - break; - - case 1: - data = m_ram->pointer()[offset]; - break; - - case 2: case 3: case 4: case 5: - data = m_ram->pointer()[offset + (m_r - 2) * 0x10000]; - break; - } - return data; -} - -WRITE8_MEMBER(rt1715_state::memory_write_byte) -{ - switch (m_w) - { - case 0: - m_maincpu->space(AS_PROGRAM).write_byte(offset, data); - break; - - case 1: - m_ram->pointer()[offset] = data; - break; - - case 2: case 3: case 4: case 5: - m_ram->pointer()[offset + (m_w - 2) * 0x10000] = data; - break; - } -} - -READ8_MEMBER(rt1715_state::io_read_byte) -{ - address_space &prog_space = m_maincpu->space(AS_IO); - return prog_space.read_byte(offset); -} - -WRITE8_MEMBER(rt1715_state::io_write_byte) -{ - address_space &prog_space = m_maincpu->space(AS_IO); - prog_space.write_byte(offset, data); -} - -WRITE_LINE_MEMBER(rt1715_state::busreq_w) -{ - // since our Z80 has no support for BUSACK, we assume it is granted immediately - m_maincpu->set_input_line(INPUT_LINE_HALT, state); - m_dma->bai_w(state); // tell dma that bus has been granted -} - -/*************************************************************************** - VIDEO EMULATION -***************************************************************************/ - -WRITE_LINE_MEMBER(rt1715_state::crtc_drq_w) -{ - if (state) - { - m_crtc->dack_w(m_p_videoram[m_dma_adr++]); - m_dma_adr %= (80 * 24); - } -} - -I8275_DRAW_CHARACTER_MEMBER(rt1715_state::crtc_display_pixels) -{ - const rgb_t *palette = m_palette->palette()->entry_list_raw(); - u8 gfx = (lten) ? 0xff : 0; - - if (!vsp) - gfx = m_p_chargen[linecount << 7 | charcode]; - - if (rvv) - gfx ^= 0xff; - - for (u8 i=0; i<8; i++) - bitmap.pix32(y, x + i) = palette[BIT(gfx, 7-i) ? (hlgt ? 2 : 1) : 0]; -} - -/* F4 Character Displayer */ -static const gfx_layout rt1715_charlayout = -{ - 8, 16, /* 8 x 16 characters */ - 128, /* 128 characters */ - 1, /* 1 bits per pixel */ - { 0 }, /* no bitplanes */ - /* x offsets */ - { 0, 1, 2, 3, 4, 5, 6, 7 }, - /* y offsets */ - { 0*128, 1*128*8, 2*128*8, 3*128*8, 4*128*8, 5*128*8, 6*128*8, 7*128*8, 8*128*8, 9*128*8, 10*128*8, 11*128*8, 12*128*8, 13*128*8, 14*128*8, 15*128*8 }, - 8 /* every char takes 1 x 16 bytes */ -}; - -static GFXDECODE_START( gfx_rt1715 ) - GFXDECODE_ENTRY("gfx", 0x0000, rt1715_charlayout, 0, 1) - GFXDECODE_ENTRY("gfx", 0x0800, rt1715_charlayout, 0, 1) -GFXDECODE_END - - -/*************************************************************************** - PALETTE -***************************************************************************/ - -void rt1715_state::rt1715_palette(palette_device &palette) const -{ - palette.set_pen_color(0, rgb_t(0x00, 0x00, 0x00)); // black - palette.set_pen_color(1, rgb_t(0x00, 0x7f, 0x00)); // low intensity - palette.set_pen_color(2, rgb_t(0x00, 0xff, 0x00)); // high intensity -} - - -/*************************************************************************** - ADDRESS MAPS -***************************************************************************/ - -void rt1715_state::rt1715_mem(address_map &map) -{ - map(0x0000, 0x07ff).bankr("bank1").bankw("bank3"); - map(0x0800, 0xffff).bankrw("bank2"); -} - -void rt1715_state::rt1715_base_io(address_map &map) -{ - map.unmap_value_high(); - map.global_mask(0xff); - map(0x08, 0x0b).rw(m_ctc0, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); - map(0x0c, 0x0f).rw(m_sio0, FUNC(z80sio_device::ba_cd_r), FUNC(z80sio_device::ba_cd_w)); -// map(0x10, 0x13).rw(m_ctc1, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); -// map(0x14, 0x17).rw(m_sio1, FUNC(z80sio_device::ba_cd_r), FUNC(z80sio_device::ba_cd_w)); - map(0x18, 0x19).rw(m_crtc, FUNC(i8275_device::read), FUNC(i8275_device::write)); -// map(0x2c, 0x2f) // LT107CS -- serial DSR? -// map(0x30, 0x33) // LT111CS -- serial SEL? (data rate selector) -} - -void rt1715_state::rt1715_io(address_map &map) -{ - rt1715_base_io(map); - - map(0x00, 0x03).rw("a71", FUNC(z80pio_device::read_alt), FUNC(z80pio_device::write_alt)); // floppy data - map(0x04, 0x07).rw("a72", FUNC(z80pio_device::read_alt), FUNC(z80pio_device::write_alt)); // floppy control/status - map(0x20, 0x20).w(FUNC(rt1715_state::rt1715_floppy_enable)); -// map(0x24, 0x27).w(FUNC(rt1715_state::rt1715_rom_enable)); // MEMCS0 - map(0x28, 0x2b).w(FUNC(rt1715_state::rt1715_rom_disable)); // MEMCS1 -// map(0x34, 0x37) // BWSCS (read: memory start address, write: switch chargen) -} - -void rt1715_state::rt1715w_mem(address_map &map) -{ - map(0x0000, 0xffff).r(m_bankdev[0], FUNC(address_map_bank_device::read8)).w(m_bankdev[1], FUNC(address_map_bank_device::write8)); -} - -void rt1715_state::rt1715w_m1(address_map &map) -{ - map(0x0000, 0xffff).r(m_bankdev[2], FUNC(address_map_bank_device::read8)).w(m_bankdev[2], FUNC(address_map_bank_device::write8)); -} - -void rt1715_state::rt1715w_banked_mem(address_map &map) -{ - // map 0 - map(0x00000, 0x007ff).rom().region("ipl", 0); - map(0x02000, 0x02fff).ram().region("gfx", 0); - map(0x03000, 0x03fff).ram().share("videoram"); - map(0x04000, 0x0ffff).bankrw("bank2"); - // maps 1-5 - map(0x10000, 0x1ffff).bankrw("bank3"); - map(0x20000, 0x5ffff).bankrw("bank3"); -} - -// rt1715w -- decoders A13, A14, page C -void rt1715_state::rt1715w_io(address_map &map) -{ - rt1715_base_io(map); - - map(0x00, 0x00).rw(m_dma, FUNC(z80dma_device::bus_r), FUNC(z80dma_device::bus_w)); // A2 - map(0x04, 0x07).rw(m_ctc2, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write)); // A4 -// map(0x1a, 0x1b) // chargen write protection - map(0x1c, 0x1d).m(m_fdc, FUNC(i8272a_device::map)); - map(0x20, 0x23).w(FUNC(rt1715_state::rt1715w_krfd_w)); // KRFD -- FD-Steuerregister (A45) - map(0x24, 0x27).w(FUNC(rt1715_state::rt1715w_set_bank)); // BR (A62, A63) - map(0x28, 0x2b).w(FUNC(rt1715_state::rt1715w_floppy_motor)); // MOS - map(0x34, 0x37).portr("S8"); // KON -- Konfigurations-schalter FD (config switch -- A114, DIP S8) -// map(0x38, 0x3b) // SR (RST1) -- Ru:cksetzen von Flip-Flops im FD -// map(0x3c, 0x3f) // RST (RST2) -- Ru:cksetzen von Flip-Flops in V.24 (Pru:ftechnik) - // used via DMA only - map(0x40, 0x40).r(m_fdc, FUNC(i8272a_device::msr_r)); - map(0x41, 0x41).rw(m_fdc, FUNC(i8272a_device::dma_r), FUNC(i8272a_device::dma_w)); -} - -void rt1715_state::k7658_mem(address_map &map) -{ - map(0x0000, 0xffff).w(FUNC(rt1715_state::k7658_data_w)); - map(0x0000, 0x07ff).mirror(0xf800).rom(); -} - -void rt1715_state::k7658_io(address_map &map) -{ - map(0x2000, 0x2000).mirror(0x8000).r(FUNC(rt1715_state::k7658_led1_r)); - map(0x4000, 0x4000).mirror(0x8000).r(FUNC(rt1715_state::k7658_led2_r)); - map(0x8000, 0x9fff).r(FUNC(rt1715_state::k7658_data_r)); -} - - -/*************************************************************************** - INPUT PORTS -***************************************************************************/ - -static INPUT_PORTS_START( rt1715w ) - PORT_START("S8") - PORT_DIPNAME( 0x01, 0x01, "Floppy drive type" ) - PORT_DIPSETTING( 0x01, "5.25\"-FD" ) - PORT_DIPSETTING( 0x00, "8\"-FD" ) - PORT_DIPNAME( 0x02, 0x02, "UNK1" ) - PORT_DIPSETTING( 0x02, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x00, DEF_STR( On ) ) - PORT_DIPNAME( 0x04, 0x04, "UNK2" ) - PORT_DIPSETTING( 0x04, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x00, DEF_STR( On ) ) - PORT_DIPNAME( 0x08, 0x08, "UNK3" ) - PORT_DIPSETTING( 0x08, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x00, DEF_STR( On ) ) - PORT_DIPNAME( 0x10, 0x10, "UNK4" ) - PORT_DIPSETTING( 0x10, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x00, DEF_STR( On ) ) - PORT_DIPNAME( 0x20, 0x20, "UNK5" ) - PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x00, DEF_STR( On ) ) - PORT_DIPNAME( 0x40, 0x40, "UNK6" ) - PORT_DIPSETTING( 0x40, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x00, DEF_STR( On ) ) - PORT_DIPNAME( 0x80, 0x80, "UNK7" ) - PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x00, DEF_STR( On ) ) -INPUT_PORTS_END - -static INPUT_PORTS_START( k7658 ) - PORT_START("row_00") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("row_10") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("row_20") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("row_30") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("row_40") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("row_50") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("row_60") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("row_70") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("row_08") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("row_18") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("row_28") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("row_38") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) - - PORT_START("row_48") - PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED) -INPUT_PORTS_END - - -/*************************************************************************** - MACHINE DRIVERS -***************************************************************************/ - -/* verify priority -- p. 14 of PC-1715-Servicemanual.pdf */ -static const z80_daisy_config rt1715_daisy_chain[] = -{ - { "a71" }, - { "a72" }, - { "ctc0" }, - { "sio0" }, - { nullptr } -}; - -static const z80_daisy_config rt1715w_daisy_chain[] = -{ - { "ctc0" }, - { "sio0" }, - { nullptr } -}; - -static void rt1715w_floppies(device_slot_interface &device) -{ - device.option_add("525qd", FLOPPY_525_QD); -} - -void rt1715_state::rt1715(machine_config &config) -{ - /* basic machine hardware */ - Z80(config, m_maincpu, 9.832_MHz_XTAL / 4); - m_maincpu->set_addrmap(AS_PROGRAM, &rt1715_state::rt1715_mem); - m_maincpu->set_addrmap(AS_IO, &rt1715_state::rt1715_io); - m_maincpu->set_daisy_config(rt1715_daisy_chain); - - MCFG_MACHINE_START_OVERRIDE(rt1715_state, rt1715) - MCFG_MACHINE_RESET_OVERRIDE(rt1715_state, rt1715) - -#if 0 - /* keyboard */ - z80_device &keyboard(Z80(config, "keyboard", 683000)); - keyboard.set_addrmap(AS_PROGRAM, &rt1715_state::k7658_mem); - keyboard.set_addrmap(AS_IO, &rt1715_state::k7658_io); -#endif - - /* video hardware */ - SCREEN(config, m_screen, SCREEN_TYPE_RASTER); - m_screen->set_screen_update("i8275", FUNC(i8275_device::screen_update)); - m_screen->set_raw(13.824_MHz_XTAL, 864, 0, 624, 320, 0, 300); // ? - - GFXDECODE(config, "gfxdecode", "palette", gfx_rt1715); - PALETTE(config, "palette", FUNC(rt1715_state::rt1715_palette), 3); - - I8275(config, m_crtc, 13.824_MHz_XTAL / 8); - m_crtc->set_character_width(8); - m_crtc->set_display_callback(FUNC(rt1715_state::crtc_display_pixels)); - m_crtc->set_screen(m_screen); - - /* keyboard */ - Z80SIO(config, m_sio0, 9.832_MHz_XTAL / 4); - - Z80CTC(config, m_ctc0, 9.832_MHz_XTAL / 4); - m_ctc0->zc_callback<0>().set(m_sio0, FUNC(z80sio_device::txca_w)); - m_ctc0->zc_callback<2>().set(m_sio0, FUNC(z80sio_device::rxtxcb_w)); - - /* floppy */ - Z80PIO(config, "a71", 9.832_MHz_XTAL / 4); - Z80PIO(config, "a72", 9.832_MHz_XTAL / 4); - - /* internal ram */ - RAM(config, m_ram).set_default_size("64K").set_default_value(0x00); -} - -void rt1715_state::rt1715w(machine_config &config) -{ - rt1715(config); - - m_maincpu->set_clock(15.9744_MHz_XTAL / 4); - m_maincpu->set_addrmap(AS_PROGRAM, &rt1715_state::rt1715w_m1); - m_maincpu->set_addrmap(AS_IO, &rt1715_state::rt1715w_io); - m_maincpu->set_daisy_config(rt1715w_daisy_chain); - - ADDRESS_MAP_BANK(config, "bankdev0").set_map(&rt1715_state::rt1715w_banked_mem).set_options(ENDIANNESS_BIG, 8, 19, 0x10000); - ADDRESS_MAP_BANK(config, "bankdev1").set_map(&rt1715_state::rt1715w_banked_mem).set_options(ENDIANNESS_BIG, 8, 19, 0x10000); - ADDRESS_MAP_BANK(config, "bankdev2").set_map(&rt1715_state::rt1715w_banked_mem).set_options(ENDIANNESS_BIG, 8, 19, 0x10000); - - MCFG_MACHINE_START_OVERRIDE(rt1715_state, rt1715w) - MCFG_MACHINE_RESET_OVERRIDE(rt1715_state, rt1715w) - - config.device_remove("a71"); - config.device_remove("a72"); - - m_crtc->drq_wr_callback().set(FUNC(rt1715_state::crtc_drq_w)); - - // operates in polled mode - I8272A(config, m_fdc, 8'000'000 / 4, false); - m_fdc->drq_wr_callback().set(m_dma, FUNC(z80dma_device::rdy_w)).invert(); - FLOPPY_CONNECTOR(config, "i8272:0", rt1715w_floppies, "525qd", floppy_image_device::default_floppy_formats); - FLOPPY_CONNECTOR(config, "i8272:1", rt1715w_floppies, "525qd", floppy_image_device::default_floppy_formats); - - Z80DMA(config, m_dma, 15.9744_MHz_XTAL / 4); - m_dma->out_busreq_callback().set(FUNC(rt1715_state::busreq_w)); - m_dma->out_int_callback().set(FUNC(rt1715_state::tc_w)); - m_dma->in_mreq_callback().set(FUNC(rt1715_state::memory_read_byte)); - m_dma->out_mreq_callback().set(FUNC(rt1715_state::memory_write_byte)); - m_dma->in_iorq_callback().set(FUNC(rt1715_state::io_read_byte)); - m_dma->out_iorq_callback().set(FUNC(rt1715_state::io_write_byte)); - - Z80CTC(config, m_ctc2, 15.9744_MHz_XTAL / 4); - - m_ram->set_default_size("256K"); -} - - -/*************************************************************************** - ROM DEFINITIONS -***************************************************************************/ - -ROM_START( rt1715 ) - ROM_REGION(0x0800, "ipl", 0) - ROM_LOAD("s500.a25.3", 0x0000, 0x0800, NO_DUMP) // CCITT 90e7 - ROM_LOAD("s501.a25.3", 0x0000, 0x0800, NO_DUMP) // CCITT 68da - ROM_LOAD("s502.a25.3", 0x0000, 0x0800, CRC(7b6302e1) SHA1(e8f61763ff8841078a1939aa5e85a17f2af42163)) - - ROM_REGION(0x1000, "gfx", 0) - ROM_LOAD("s619.a25.2", 0x0000, 0x0800, CRC(98647763) SHA1(93fba51ed26392ec3eff1037886576fa12443fe5)) - ROM_LOAD("s602.a25.1", 0x0800, 0x0800, NO_DUMP) // CCITT fd67 - - ROM_REGION(0x0800, "keyboard", 0) - ROM_LOAD("s600.ic8", 0x0000, 0x0800, CRC(b7070122) SHA1(687056b822086ef0eee1e9b27e5b031bdbcade61)) - - ROM_REGION(0x0800, "floppy", 0) - ROM_LOAD("068.a8.2", 0x0000, 0x0400, CRC(5306d57b) SHA1(a12d025717b039a8a760eb9961365402f1f501f5)) // "read rom" - ROM_LOAD("069.a8.1", 0x0400, 0x0400, CRC(319fa72c) SHA1(5f26af1e36339a934760a63e5975e9db09abeaaf)) // "write rom" -ROM_END - -ROM_START( rt1715lc ) - ROM_REGION(0x0800, "ipl", 0) - ROM_LOAD("s500.a25.3", 0x0000, 0x0800, NO_DUMP) // CCITT 90e7 - ROM_LOAD("s501.a25.3", 0x0000, 0x0800, NO_DUMP) // CCITT 68da - ROM_LOAD("s502.a25.3", 0x0000, 0x0800, CRC(7b6302e1) SHA1(e8f61763ff8841078a1939aa5e85a17f2af42163)) - - ROM_REGION(0x1000, "gfx", 0) - ROM_LOAD("s643.a25.2", 0x0000, 0x0800, CRC(ea37f0e6) SHA1(357760974d944b9782734504b9820771e7e37645)) - ROM_LOAD("s605.a25.1", 0x0800, 0x0800, CRC(38062024) SHA1(798f62d4adeb7098b7dcbfe6caf28302853ee97d)) - - ROM_REGION(0x0800, "keyboard", 0) - ROM_LOAD("s642.ic8", 0x0000, 0x0800, NO_DUMP) // CCITT 962e - - ROM_REGION(0x0800, "floppy", 0) - ROM_LOAD("068.a8.2", 0x0000, 0x0400, CRC(5306d57b) SHA1(a12d025717b039a8a760eb9961365402f1f501f5)) // "read rom" - ROM_LOAD("069.a8.1", 0x0400, 0x0400, CRC(319fa72c) SHA1(5f26af1e36339a934760a63e5975e9db09abeaaf)) // "write rom" -ROM_END - -ROM_START( rt1715w ) - ROM_REGION(0x0800, "ipl", 0) - ROM_LOAD("s550.bin", 0x0000, 0x0800, CRC(0a96c754) SHA1(4d9ad5b877353d91ba355044d2847e1d621e2b01)) - - // loaded from floppy on startup - ROM_REGION(0x1000, "gfx", ROMREGION_ERASEFF) - - ROM_REGION(0x0800, "keyboard", 0) - ROM_LOAD("s600.ic8", 0x0000, 0x0800, CRC(b7070122) SHA1(687056b822086ef0eee1e9b27e5b031bdbcade61)) - - ROM_REGION(0x0100, "prom", 0) - ROM_LOAD("287.bin", 0x0000, 0x0100, CRC(8508360c) SHA1(d262a8c3cf2d284c67f23b853e0d59ae5cc1d4c8)) // /CAS decoder prom, 74S287 -ROM_END - - -/*************************************************************************** - GAME DRIVERS -***************************************************************************/ - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS -COMP( 1986, rt1715, 0, 0, rt1715, k7658, rt1715_state, empty_init, "Robotron", "Robotron PC-1715", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW ) -COMP( 1986, rt1715lc, rt1715, 0, rt1715, k7658, rt1715_state, empty_init, "Robotron", "Robotron PC-1715 (latin/cyrillic)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW ) -COMP( 1986, rt1715w, rt1715, 0, rt1715w, rt1715w, rt1715_state, empty_init, "Robotron", "Robotron PC-1715W", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW ) |