// license:BSD-3-Clause // copyright-holders:Sandro Ronco /*************************************************************************** TI-89, TI-92, TI-92 plus, Voyage 200 PLT and TI-89 Titanium Driver by Sandro Ronco Note: -NVRAM works only if the calculator is turned off (2nd + ON) before closing MESS TODO: -Link -HW 3 I/O port -RTC -LCD contrast ****************************************************************************/ #include "emu.h" #include "includes/ti89.h" #include "cpu/m68000/m68000.h" #include "machine/intelfsh.h" #include "machine/nvram.h" #include "screen.h" uint8_t ti68k_state::keypad_r() { uint8_t bit, data = 0xff; for (bit = 0; bit < 10; bit++) { if (~m_kb_mask & (0x01 << bit)) { data ^= m_io_bit0->read() & (0x01 << bit) ? 0x01 : 0x00; data ^= m_io_bit1->read() & (0x01 << bit) ? 0x02 : 0x00; data ^= m_io_bit2->read() & (0x01 << bit) ? 0x04 : 0x00; data ^= m_io_bit3->read() & (0x01 << bit) ? 0x08 : 0x00; data ^= m_io_bit4->read() & (0x01 << bit) ? 0x10 : 0x00; data ^= m_io_bit5->read() & (0x01 << bit) ? 0x20 : 0x00; data ^= m_io_bit6->read() & (0x01 << bit) ? 0x40 : 0x00; data ^= m_io_bit7->read() & (0x01 << bit) ? 0x80 : 0x00; } } return data; } WRITE16_MEMBER ( ti68k_state::ti68k_io_w ) { switch(offset & 0x0f) { case 0x00: m_lcd_contrast = (m_lcd_contrast & 0xfe) | BIT(data, 5); break; case 0x02: if (!(data & 0x10) && data != m_io_hw1[offset]) m_maincpu->suspend(SUSPEND_REASON_DISABLE, 1); break; case 0x08: m_lcd_base = data << 3; break; case 0x09: m_lcd_width = (0x40 - ((data >> 8) & 0xff)) * 0x10; m_lcd_height = 0x100 - (data & 0xff); break; case 0x0a: m_timer_on = BIT(data ,1); switch((data >> 4) & 0x03) { case 0: m_timer_mask = 0x0000; break; case 1: m_timer_mask = 0x000f; break; case 2: m_timer_mask = 0x007f; break; case 3: m_timer_mask = 0x1fff; break; } break; case 0x0b: m_timer_val = data & 0xff; case 0x0c: m_kb_mask = data & 0x03ff; break; case 0x0e: m_lcd_on = (((data >> 8) & 0x3c) == 0x3c) ? 0 : 1; m_lcd_contrast = (m_lcd_contrast & 0x01) | ((data & 0x0f) << 1); break; default: break; } m_io_hw1[offset & 0x0f] = data; } READ16_MEMBER ( ti68k_state::ti68k_io_r ) { uint16_t data; switch (offset & 0x0f) { case 0x00: data = 0x0400 | ((m_lcd_contrast & 1) << 13); break; case 0x0b: data = m_timer_val; break; case 0x0d: data = ((!m_on_key) << 9) | keypad_r(); break; default: data= m_io_hw1[offset & 0x0f]; } return data; } WRITE16_MEMBER ( ti68k_state::ti68k_io2_w ) { switch(offset & 0x7f) { case 0x0b: m_lcd_base = 0x4c00 + 0x1000 * (data & 0x03); break; case 0x0e: m_lcd_on = (data & 0x02) ? 1 : 0; break; default: break; } m_io_hw2[offset & 0x7f] = data; } READ16_MEMBER ( ti68k_state::ti68k_io2_r ) { uint16_t data; switch (offset & 0x7f) { default: data= m_io_hw2[offset & 0x7f]; } return data; } READ16_MEMBER ( ti68k_state::rom_r ) { return m_rom_base[offset]; } uint16_t ti68k_state::reset_overlay_r(offs_t offset) { if (m_ram_enabled) return m_ram_base[offset]; else { // FIXME: probably triggered by something else if (offset == 3 && !machine().side_effects_disabled()) m_ram_enabled = true; // FIXME: this reset vector happens to work for all Flash systems, but may not be loaded // first. It is algorithmically located by the preceding initialization code which looks // for the string of four CC bytes preceding it. This code has not been enabled since it // also contains a "Certificate Memory" self-test which fails. if (m_flash.found()) return m_flash->read(offset + 0x12088/2); else return m_rom_base[offset]; } } TIMER_DEVICE_CALLBACK_MEMBER(ti68k_state::ti68k_timer_callback) { m_timer++; if (m_timer_on) { if (!(m_timer & m_timer_mask) && BIT(m_io_hw1[0x0a], 3)) { if (m_timer_val) m_timer_val++; else m_timer_val = (m_io_hw1[0x0b]) & 0xff; } if (!BIT(m_io_hw1[0x0a], 7) && ((m_hw_version == HW1) || (!BIT(m_io_hw1[0x0f], 2) && !BIT(m_io_hw1[0x0f], 1)))) { if (!(m_timer & 0x003f)) m_maincpu->set_input_line(M68K_IRQ_1, HOLD_LINE); if (!(m_timer & 0x3fff) && !BIT(m_io_hw1[0x0a], 3)) m_maincpu->set_input_line(M68K_IRQ_3, HOLD_LINE); if (!(m_timer & m_timer_mask) && BIT(m_io_hw1[0x0a], 3) && m_timer_val == 0) m_maincpu->set_input_line(M68K_IRQ_5, HOLD_LINE); } } if (keypad_r() != 0xff) m_maincpu->set_input_line(M68K_IRQ_2, HOLD_LINE); } void ti68k_state::ti92_mem(address_map &map) { map.unmap_value_high(); map(0x000000, 0x0fffff).ram().share("nvram"); map(0x000000, 0x000007).r(FUNC(ti68k_state::reset_overlay_r)); map(0x200000, 0x5fffff).unmaprw(); // ROM map(0x600000, 0x6fffff).rw(FUNC(ti68k_state::ti68k_io_r), FUNC(ti68k_state::ti68k_io_w)); } void ti68k_state::ti89_mem(address_map &map) { map.unmap_value_high(); map(0x000000, 0x0fffff).ram().share("nvram"); map(0x000000, 0x000007).r(FUNC(ti68k_state::reset_overlay_r)); map(0x200000, 0x3fffff).rw(m_flash, FUNC(intelfsh16_device::read), FUNC(intelfsh16_device::write)); map(0x400000, 0x5fffff).noprw(); map(0x600000, 0x6fffff).rw(FUNC(ti68k_state::ti68k_io_r), FUNC(ti68k_state::ti68k_io_w)); map(0x700000, 0x7fffff).rw(FUNC(ti68k_state::ti68k_io2_r), FUNC(ti68k_state::ti68k_io2_w)); } void ti68k_state::ti92p_mem(address_map &map) { map.unmap_value_high(); map(0x000000, 0x0fffff).ram().share("nvram"); map(0x000000, 0x000007).r(FUNC(ti68k_state::reset_overlay_r)); map(0x200000, 0x3fffff).noprw(); map(0x400000, 0x5fffff).rw(m_flash, FUNC(intelfsh16_device::read), FUNC(intelfsh16_device::write)); map(0x600000, 0x6fffff).rw(FUNC(ti68k_state::ti68k_io_r), FUNC(ti68k_state::ti68k_io_w)); map(0x700000, 0x7fffff).rw(FUNC(ti68k_state::ti68k_io2_r), FUNC(ti68k_state::ti68k_io2_w)); } void ti68k_state::v200_mem(address_map &map) { map.unmap_value_high(); map(0x000000, 0x0fffff).ram().share("nvram"); map(0x000000, 0x000007).r(FUNC(ti68k_state::reset_overlay_r)); map(0x200000, 0x5fffff).rw(m_flash, FUNC(intelfsh16_device::read), FUNC(intelfsh16_device::write)); map(0x600000, 0x6fffff).rw(FUNC(ti68k_state::ti68k_io_r), FUNC(ti68k_state::ti68k_io_w)); map(0x700000, 0x70ffff).rw(FUNC(ti68k_state::ti68k_io2_r), FUNC(ti68k_state::ti68k_io2_w)); } void ti68k_state::ti89t_mem(address_map &map) { map.unmap_value_high(); map(0x000000, 0x0fffff).ram().mirror(0x200000).share("nvram"); map(0x000000, 0x000007).r(FUNC(ti68k_state::reset_overlay_r)); map(0x600000, 0x6fffff).rw(FUNC(ti68k_state::ti68k_io_r), FUNC(ti68k_state::ti68k_io_w)); map(0x700000, 0x70ffff).rw(FUNC(ti68k_state::ti68k_io2_r), FUNC(ti68k_state::ti68k_io2_w)); map(0x800000, 0xbfffff).rw(m_flash, FUNC(intelfsh16_device::read), FUNC(intelfsh16_device::write)); map(0xc00000, 0xffffff).noprw(); } INPUT_CHANGED_MEMBER(ti68k_state::ti68k_on_key) { m_on_key = newval; if (m_on_key) { if (m_maincpu->suspended(SUSPEND_REASON_DISABLE)) m_maincpu->resume(SUSPEND_REASON_DISABLE); m_maincpu->set_input_line(M68K_IRQ_6, HOLD_LINE); } } /* Input ports for TI-89 and TI-89 Titanium*/ static INPUT_PORTS_START (ti8x) PORT_START("BIT0") /* bit 0 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ENTER (ENTRY)") PORT_CODE(KEYCODE_ENTER) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("(-)") PORT_CODE(KEYCODE_M) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("APPS") PORT_CODE(KEYCODE_F11) PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_START("BIT1") /* bit 1 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("+") PORT_CODE(KEYCODE_BACKSLASH) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("STORE") PORT_CODE(KEYCODE_TAB) PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ON") PORT_CODE(KEYCODE_F10) PORT_CHANGED_MEMBER(DEVICE_SELF, ti68k_state, ti68k_on_key, 0) PORT_START("BIT2") /* bit 2 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("EE") PORT_CODE(KEYCODE_E) PORT_START("BIT3") /* bit 3 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("*") PORT_CODE(KEYCODE_L) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("|") PORT_CODE(KEYCODE_COLON) PORT_START("BIT4") /* bit 4 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("2nd") PORT_CODE(KEYCODE_LALT) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("/") PORT_CODE(KEYCODE_SLASH) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(")") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("(") PORT_CODE(KEYCODE_OPENBRACE) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("=") PORT_CODE(KEYCODE_EQUALS) PORT_START("BIT5") /* bit 5 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("^") PORT_CODE(KEYCODE_P) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_START("BIT6") /* bit 6 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("3nd") PORT_CODE(KEYCODE_LCONTROL) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("CLEAR") PORT_CODE(KEYCODE_DEL) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("<--") PORT_CODE(KEYCODE_BACKSPACE) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("CATALOG") PORT_CODE(KEYCODE_F8) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Mode") PORT_CODE(KEYCODE_F12) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("HOME") PORT_CODE(KEYCODE_HOME) PORT_START("BIT7") /* bit 7 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ALPHA") PORT_CODE(KEYCODE_CAPSLOCK) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) INPUT_PORTS_END /* Input ports for TI-92 and TI92 Plus*/ static INPUT_PORTS_START (ti9x) PORT_START("BIT0") /* bit 0 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("2nd") PORT_CODE(KEYCODE_LALT) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_UNUSED) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("STORE") PORT_CODE(KEYCODE_TAB) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("/") PORT_CODE(KEYCODE_SLASH) PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("^") PORT_CODE(KEYCODE_COLON) PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("=") PORT_CODE(KEYCODE_EQUALS) PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("<--") PORT_CODE(KEYCODE_BACKSPACE) PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS) PORT_START("BIT1") /* bit 1 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("3nd") PORT_CODE(KEYCODE_LCONTROL) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("o") PORT_CODE(KEYCODE_BACKSLASH) PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER_PAD) PORT_START("BIT2") /* bit 2 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_START("BIT3") /* bit 3 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Clock") PORT_CODE(KEYCODE_F11) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_START("BIT4") /* bit 4 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F8") PORT_CODE(KEYCODE_F8) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F7") PORT_CODE(KEYCODE_F7) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F6") PORT_CODE(KEYCODE_F6) PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("+") PORT_CODE(KEYCODE_PLUS_PAD) PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("F4") PORT_CODE(KEYCODE_F4) PORT_START("BIT5") /* bit 5 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("(") PORT_CODE(KEYCODE_OPENBRACE) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("SIN") PORT_CODE(KEYCODE_PGUP) PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("LN") PORT_CODE(KEYCODE_PGDN) PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("CLEAR") PORT_CODE(KEYCODE_DEL) PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("MODE") PORT_CODE(KEYCODE_F12) PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_START("BIT6") /* bit 6 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(")") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("COS") PORT_CODE(KEYCODE_END) PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER) PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("APPS") PORT_CODE(KEYCODE_HOME) PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(".") PORT_CODE(KEYCODE_STOP) PORT_START("BIT7") /* bit 7 */ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA) PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("TAN") PORT_CODE(KEYCODE_INSERT) PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("*") PORT_CODE(KEYCODE_ASTERISK) PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ON") PORT_CODE(KEYCODE_F10) PORT_CHANGED_MEMBER(DEVICE_SELF, ti68k_state, ti68k_on_key, 0) PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("(-)") PORT_CODE(KEYCODE_MINUS_PAD) INPUT_PORTS_END void ti68k_state::machine_start() { if (m_flash.found()) { uint32_t base = ((((m_rom_base[0x82]) << 16) | m_rom_base[0x83]) & 0xffff)>>1; if (m_rom_base[base] >= 8) m_hw_version = ((m_rom_base[base + 0x0b]) << 16) | m_rom_base[base + 0x0c]; if (!m_hw_version) m_hw_version = HW1; } else { m_hw_version = HW1; uint32_t initial_pc = ((m_rom_base[2]) << 16) | m_rom_base[3]; m_maincpu->space(AS_PROGRAM).unmap_read(0x200000, 0x5fffff); if (initial_pc > 0x400000) { m_maincpu->space(AS_PROGRAM).install_read_handler(0x400000, 0x5fffff, read16_delegate(*this, FUNC(ti68k_state::rom_r))); } else { m_maincpu->space(AS_PROGRAM).install_read_handler(0x200000, 0x3fffff, read16_delegate(*this, FUNC(ti68k_state::rom_r))); } } logerror("HW=v%x, Type=%s\n", m_hw_version, m_flash.found() ? "Flash" : "ROM"); } void ti68k_state::machine_reset() { m_ram_enabled = false; m_kb_mask = 0xff; m_on_key = 0; m_lcd_base = 0; m_lcd_width = 0; m_lcd_height = 0; m_lcd_on = 0; m_lcd_contrast = 0; memset(m_io_hw1, 0, ARRAY_LENGTH(m_io_hw1) * sizeof(uint16_t)); memset(m_io_hw2, 0, ARRAY_LENGTH(m_io_hw2) * sizeof(uint16_t)); m_timer_on = 0; m_timer_mask = 0xf; m_timer_val = 0; } /* video */ uint32_t ti68k_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { /* preliminary implementation, doesn't use the contrast value */ uint8_t width = screen.width(); uint8_t height = screen.height(); uint8_t x, y, b; if (!m_lcd_on || !m_lcd_base) bitmap.fill(0); else for (y = 0; y < height; y++) for (x = 0; x < width / 8; x++) { uint8_t s_byte= m_maincpu->space(AS_PROGRAM).read_byte(m_lcd_base + y * (width/8) + x); for (b = 0; b<8; b++) bitmap.pix16(y, x * 8 + (7 - b)) = BIT(s_byte, b); } return 0; } void ti68k_state::ti68k_palette(palette_device &palette) const { palette.set_pen_color(0, rgb_t(138, 146, 148)); palette.set_pen_color(1, rgb_t(92, 83, 88)); } void ti68k_state::ti89(machine_config &config) { /* basic machine hardware */ M68000(config, m_maincpu, XTAL(10'000'000)); m_maincpu->set_addrmap(AS_PROGRAM, &ti68k_state::ti89_mem); NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD)); screen.set_refresh_hz(50); screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ screen.set_screen_update(FUNC(ti68k_state::screen_update)); screen.set_size(240, 128); screen.set_visarea(0, 160-1, 0, 100-1); screen.set_palette("palette"); PALETTE(config, "palette", FUNC(ti68k_state::ti68k_palette), 2); SHARP_LH28F160S3(config, m_flash); TIMER(config, "ti68k_timer").configure_periodic(FUNC(ti68k_state::ti68k_timer_callback), attotime::from_hz(1<<14)); } void ti68k_state::ti92(machine_config &config) { ti89(config); m_maincpu->set_addrmap(AS_PROGRAM, &ti68k_state::ti92_mem); config.device_remove("flash"); /* video hardware */ subdevice("screen")->set_visarea(0, 240-1, 0, 128-1); } void ti68k_state::ti92p(machine_config &config) { ti89(config); m_maincpu->set_clock(XTAL(12'000'000)); m_maincpu->set_addrmap(AS_PROGRAM, &ti68k_state::ti92p_mem); /* video hardware */ subdevice("screen")->set_visarea(0, 240-1, 0, 128-1); } void ti68k_state::v200(machine_config &config) { ti89(config); m_maincpu->set_clock(XTAL(12'000'000)); m_maincpu->set_addrmap(AS_PROGRAM, &ti68k_state::v200_mem); SHARP_LH28F320BF(config.replace(), m_flash); /* video hardware */ subdevice("screen")->set_visarea(0, 240-1, 0, 128-1); } void ti68k_state::ti89t(machine_config &config) { ti89(config); m_maincpu->set_clock(XTAL(16'000'000)); m_maincpu->set_addrmap(AS_PROGRAM, &ti68k_state::ti89t_mem); SHARP_LH28F320BF(config.replace(), m_flash); } /* ROM definition */ ROM_START( ti89 ) ROM_REGION16_BE( 0x200000, "flash", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "v100", "V 1.00 - HW1" ) ROMX_LOAD( "ti89v100.rom", 0x000000, 0x200000, CRC(264b34ad) SHA1(c87586a7e9b6d49fbe908fbb6f3c0038f3498573), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "v100a", "V 1.00 [a] - HW1" ) ROMX_LOAD( "ti89v100a.rom", 0x000000, 0x200000, CRC(95199934) SHA1(b8e3cdeb4705b0c7e0a15ab6c6f62bcde14a3a55), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 2, "v100m", "V 1.00 [m] - HW1" ) ROMX_LOAD( "ti89v100m.rom", 0x000000, 0x200000, CRC(b9059e06) SHA1(b33a7c2935eb9f73b210bcf6e7c7f32d1548a9d5), ROM_BIOS(2)) ROM_SYSTEM_BIOS( 3, "v100m2", "V 1.00 [m2] - HW1" ) ROMX_LOAD( "ti89v100m2.rom", 0x000000, 0x200000, CRC(cdd69d34) SHA1(1686362b0997bb9597f39b443490d4d8d85b56cc), ROM_BIOS(3)) ROM_SYSTEM_BIOS( 4, "v105", "V 1.05 - HW1" ) ROMX_LOAD( "ti89v105.rom", 0x000000, 0x200000, CRC(3bc0b474) SHA1(46fe0cd511eb81d53dc12cc4bdacec8a5bba5171), ROM_BIOS(4)) ROM_SYSTEM_BIOS( 5, "v201", "V 2.01 - HW1" ) ROMX_LOAD( "ti89v201.rom", 0x000000, 0x200000, CRC(fa6745e9) SHA1(e4ee6067df9b975356cef6c5a81d0ec664371c1d), ROM_BIOS(5)) ROM_SYSTEM_BIOS( 6, "v203", "V 2.03 - HW1" ) ROMX_LOAD( "ti89v203.rom", 0x000000, 0x200000, CRC(a3a74eca) SHA1(55aae3561722a96973b430e3d4cb4f513298ea4e), ROM_BIOS(6)) ROM_SYSTEM_BIOS( 7, "v203m", "V 2.03 [m] - HW 1" ) ROMX_LOAD( "ti89v203m.rom", 0x000000, 0x200000, CRC(d79068f7) SHA1(5b6f571417889b11ae19eef99a5fda4f027d5ec2), ROM_BIOS(7)) ROM_SYSTEM_BIOS( 8, "v209", "V 2.09 - HW 1" ) ROMX_LOAD( "ti89v209.rom", 0x000000, 0x200000, CRC(f76f9c15) SHA1(66409ef4b20190a3b7c0d48cbd30257580b47dcd), ROM_BIOS(8)) ROM_SYSTEM_BIOS( 9, "v105-2","V 1.05 - HW2" ) ROMX_LOAD( "ti89v105-2.rom", 0x000000, 0x200000, CRC(83817402) SHA1(b2ddf785e973cc3f9a437d058a68abdf7ca52ea2), ROM_BIOS(9)) ROM_SYSTEM_BIOS( 10, "v203-2", "V 2.03 - HW2" ) ROMX_LOAD( "ti89v203-2.rom", 0x000000, 0x200000, CRC(5e0400a9) SHA1(43c608ee72f15aed56cb5762948ec6a3c93dd9d8), ROM_BIOS(10)) ROM_SYSTEM_BIOS( 11, "v203m-2", "V 2.03 [m] - HW2" ) ROMX_LOAD( "ti89v203m-2.rom", 0x000000, 0x200000, CRC(04d5d76d) SHA1(14ca44b64c29aa1bf274508ca40fe69224f5a7cc), ROM_BIOS(11)) ROM_SYSTEM_BIOS( 12, "v205-2", "V 2.05 - HW2" ) ROMX_LOAD( "ti89v205-2.rom", 0x000000, 0x200000, CRC(37c4653c) SHA1(f48d00a57430230e489e243383513485009b1b98), ROM_BIOS(12)) ROM_SYSTEM_BIOS( 13, "v205-2m", "V 2.05 [m] - HW2" ) ROMX_LOAD( "ti89v205m-2.rom", 0x000000, 0x200000, CRC(e58a23f9) SHA1(d4cb23fb4b414a43802c37dc3c572a8ede670e0f), ROM_BIOS(13)) ROM_SYSTEM_BIOS( 14, "v205-2m2","V 2.05 [m2] - HW2" ) ROMX_LOAD( "ti89v205m2-2.rom", 0x000000, 0x200000, CRC(a8ba976c) SHA1(38bd25ada5e2066c64761d1008a9327a37d68654), ROM_BIOS(14)) ROM_SYSTEM_BIOS( 15,"v209-2", "V 2.09 - HW2" ) ROMX_LOAD( "ti89v209-2.rom", 0x000000, 0x200000, CRC(242a238f) SHA1(9668df314a0180ef210796e9cb651c5e9f17eb07), ROM_BIOS(15)) ROM_END ROM_START( ti92 ) ROM_REGION16_BE( 0x200000, "flash", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "v111", "V 1.11" ) ROMX_LOAD( "ti92v111.rom", 0x000000, 0x100000, CRC(67878d52) SHA1(c0fdf162961922a76f286c93fd9b861ce20f23a3), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "v13e", "V 1.3 [e]" ) ROMX_LOAD( "ti92v13e.rom", 0x000000, 0x100000, CRC(316c8196) SHA1(82c8cd484c6aebe36f814a2023d2afad6d87f840), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 2, "v14e", "V 1.4 [e]" ) ROMX_LOAD( "ti92v14e.rom", 0x000000, 0x100000, CRC(239e9405) SHA1(df2f1ab17d490fda43a02f5851b5a15052361b28), ROM_BIOS(2)) ROM_SYSTEM_BIOS( 3, "v17e", "V 1.7 [e]" ) ROMX_LOAD( "ti92v17e.rom", 0x000000, 0x100000, CRC(83e27cc5) SHA1(aec5a6a6157ff94a4e665fa3fe747bacb6688cd4), ROM_BIOS(3)) ROM_SYSTEM_BIOS( 4, "v111e", "V 1.11 [e]" ) ROMX_LOAD( "ti92v111e.rom", 0x000000, 0x100000, CRC(4a343833) SHA1(ab4eaacc8c83a861c8d37df5c10e532d0d580460), ROM_BIOS(4)) ROM_SYSTEM_BIOS( 5, "v112e", "V 1.12 [e]" ) ROMX_LOAD( "ti92v112e.rom", 0x000000, 0x100000, CRC(9a6947a0) SHA1(8bb0538ca98711e9ad46c56e4dfd609d4699be30), ROM_BIOS(5)) ROM_SYSTEM_BIOS( 6, "v21e", "V 2.1 [e]" ) ROMX_LOAD( "ti92v21e.rom", 0x000000, 0x200000, CRC(5afb5863) SHA1(bf7b260d37d1502cc4b08dea5e1d55b523f27925), ROM_BIOS(6)) ROM_END ROM_START( ti92p ) ROM_REGION16_BE( 0x200000, "flash", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "v100", "V 1.00 - HW1" ) ROMX_LOAD( "ti92pv100.rom", 0x0000, 0x200000, CRC(c651a586) SHA1(fbbf7e053e70eefe517f9aae40c072036bc614ea), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "v101", "V 1.01 - HW1" ) ROMX_LOAD( "ti92pv101.rom", 0x0000, 0x200000, CRC(826b1539) SHA1(dd8969511fc6233bf2047f83c3306ac8d2be5644), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 2, "v101a","V 1.01 [a] - HW1" ) ROMX_LOAD( "ti92pv101a.rom", 0x0000, 0x200000, CRC(18f9002f) SHA1(2bf13ba7da0212a8706c5a43853dc2ccb8c2257d), ROM_BIOS(2)) ROM_SYSTEM_BIOS( 3, "v101m", "V 1.01 [m] - HW1" ) ROMX_LOAD( "ti92pv101m.rom", 0x0000, 0x200000, CRC(fe2b6e77) SHA1(0e1bb8c677a726ee086c1a4280ab59de95b4abe2), ROM_BIOS(3)) ROM_SYSTEM_BIOS( 4, "v105", "V 1.05 - HW1" ) ROMX_LOAD( "ti92pv105.rom", 0x0000, 0x200000, CRC(cd945824) SHA1(6941aca243c6fd5c8a377253bffc2ffb5a84c41b), ROM_BIOS(4)) ROM_SYSTEM_BIOS( 5, "v105-2", "V 1.05 - HW2" ) ROMX_LOAD( "ti92pv105-2.rom", 0x0000, 0x200000, CRC(289aa84f) SHA1(c9395750e20d5a201401699d156b62f00530fcdd), ROM_BIOS(5)) ROM_SYSTEM_BIOS( 6, "v203", "V 2.03 - HW2" ) ROMX_LOAD( "ti92pv203.rom", 0x0000, 0x200000, CRC(1612213e) SHA1(1715dd5913bed12baedc4912e9abe0cb4e48cd45), ROM_BIOS(6)) ROM_SYSTEM_BIOS( 7, "v204", "V 2.04 - HW2" ) ROMX_LOAD( "ti92pv204.rom", 0x0000, 0x200000, CRC(86819be3) SHA1(78032a0f5f11d1e9a45ffbea91e7f9657fd1a8ae), ROM_BIOS(7)) ROM_SYSTEM_BIOS( 8, "v205", "V 2.05 - HW2" ) ROMX_LOAD( "ti92pv205.rom", 0x0000, 0x200000, CRC(9509c575) SHA1(703410d8bb98b8ec14277efcd8b7dda45a7cf358), ROM_BIOS(8)) ROM_SYSTEM_BIOS( 9, "v205m", "V 2.05 [m] - HW2" ) ROMX_LOAD( "ti92pv205m.rom", 0x000000, 0x200000, CRC(13ef4d57) SHA1(6ef290bb0dda72f645cd3eca9cc1185f6a2d32dc), ROM_BIOS(9)) ROM_SYSTEM_BIOS( 10, "v209", "V 2.09 - HW2" ) ROMX_LOAD( "ti92pv209.rom", 0x000000, 0x200000, CRC(4851ad52) SHA1(10e6c2cdc60623bf0be7ea72a9ec840259fb37c3), ROM_BIOS(10)) ROM_END ROM_START( v200 ) ROM_REGION16_BE( 0x400000, "flash", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "v209", "V 2.09" ) ROMX_LOAD( "voyage200v209.rom", 0x0000, 0x400000, CRC(f805c7a6) SHA1(818b919058ba3bd7d15604f11fff6740010d07fc), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "v310", "V 3.10" ) ROMX_LOAD( "voyage200v310.rom", 0x0000, 0x400000, CRC(ed4cbfd2) SHA1(39cdb9932f314ff792b1cc5e3fe041d98b9fd101), ROM_BIOS(1)) ROM_END ROM_START( ti89t ) ROM_REGION16_BE( 0x400000, "flash", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS( 0, "v300", "V 3.00" ) ROMX_LOAD( "ti89tv300.rom", 0x0000, 0x400000, CRC(55eb4f5a) SHA1(4f919d7752caf2559a79883ec8711a9701d19513), ROM_BIOS(0)) ROM_SYSTEM_BIOS( 1, "v310", "V 3.10" ) ROMX_LOAD( "ti89tv310.rom", 0x0000, 0x400000, CRC(b6967cca) SHA1(fb4f09e5c4500dee651b8de537e502ab97cb8328), ROM_BIOS(1)) ROM_END /* Driver */ // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1998, ti89, 0, 0, ti89, ti8x, ti68k_state, empty_init, "Texas Instruments", "TI-89", MACHINE_NO_SOUND ) COMP( 1995, ti92, 0, 0, ti92, ti9x, ti68k_state, empty_init, "Texas Instruments", "TI-92", MACHINE_NO_SOUND ) COMP( 1999, ti92p, 0, 0, ti92p, ti9x, ti68k_state, empty_init, "Texas Instruments", "TI-92 Plus", MACHINE_NO_SOUND ) COMP( 2002, v200, 0, 0, v200, ti9x, ti68k_state, empty_init, "Texas Instruments", "Voyage 200 PLT", MACHINE_NO_SOUND ) COMP( 2004, ti89t, 0, 0, ti89t, ti8x, ti68k_state, empty_init, "Texas Instruments", "TI-89 Titanium", MACHINE_NO_SOUND )