diff options
Diffstat (limited to 'src/mess/drivers/ti74.c')
-rw-r--r-- | src/mess/drivers/ti74.c | 605 |
1 files changed, 0 insertions, 605 deletions
diff --git a/src/mess/drivers/ti74.c b/src/mess/drivers/ti74.c deleted file mode 100644 index 4b2798ac3db..00000000000 --- a/src/mess/drivers/ti74.c +++ /dev/null @@ -1,605 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:hap -/*************************************************************************** - - Texas Instruments TI-74 BASICALC - Texas Instruments TI-95 PROCALC - hardware family: CC-40 -> TI-74 BASICALC -> TI-95 PROCALC - - TI-74 PCB layout: - note: TI-95 PCB is nearly the same, just with a different size LCD screen, - its CPU is labeled C70011, and the system ROM is labeled HN61256PC95. - - DOCK-BUS - --||||||||--- - C == | - a == | - r == HN61256 | - t == ---------------------------- - | | - ------- C70009 4MHz | - | HM6264 RC4193N | - | | - | | - | | - | | - ---------------||||||||||||||||||||||||------- - |||||||||||||||||||||||| - ---------------||||||||||||||||||||||||------- - | *HD44100H *HD44780A00 | - | | - | | - | | - | | - ---------- | - | ----------------------------------| - | | || - | | LCD screen || - | | || - | ----------------------------------| - ------------------------------------- - - IC1 HN61256PC93 - Hitachi DIP-28 32KB CMOS Mask PROM - IC2 C70009 - Texas Instruments TMS70C46, 54 pins. Basically a TMS70C40 with some TI custom I/O mods. - 128 bytes internal RAM, 4KB internal ROM, running at max 4MHz. - IC3 HM6264LP-15 - Hitachi 8KB SRAM (battery backed) - RC4193N - Micropower Switching Regulator - HD44100H - 60-pin QFP Hitachi HD44100 LCD Driver - HD44780A00 - 80-pin TFP Hitachi HD44780 LCD Controller - - * - indicates that it's on the other side of the PCB - - - Overall, the hardware is very similar to TI CC-40. A lot has been shuffled around - to cut down on complexity (and probably for protection too). To reduce power usage - even more, the OS often idles while waiting for any keypress that triggers an interrupt - and wakes the processor up. - - The machine is powered by 4 AAA batteries. These will also save internal RAM, - provided that the machine is turned off properly. - - - TODO: - - it runs too fast due to missing clock divider emulation in TMS70C46 - - external ram cartridge - - DOCK-BUS interface and peripherals, compatible with both TI-74 and TI-95 - * CI-7 cassette interface - * PC-324 thermal printer - (+ old Hexbus devices can be connected via a converter cable) - -***************************************************************************/ - -#include "emu.h" -#include "cpu/tms7000/tms7000.h" -#include "video/hd44780.h" -#include "machine/nvram.h" -#include "bus/generic/slot.h" -#include "bus/generic/carts.h" - -#include "ti74.lh" -#include "ti95.lh" - - -class ti74_state : public driver_device -{ -public: - ti74_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_cart(*this, "cartslot"), - m_key_matrix(*this, "IN"), - m_battery_inp(*this, "BATTERY") - { } - - required_device<tms70c46_device> m_maincpu; - required_device<generic_slot_device> m_cart; - required_ioport_array<8> m_key_matrix; - required_ioport m_battery_inp; - - UINT8 m_key_select; - UINT8 m_power; - - void update_lcd_indicator(UINT8 y, UINT8 x, int state); - void update_battery_status(int state); - - DECLARE_READ8_MEMBER(keyboard_r); - DECLARE_WRITE8_MEMBER(keyboard_w); - DECLARE_WRITE8_MEMBER(bankswitch_w); - - virtual void machine_reset(); - virtual void machine_start(); - DECLARE_PALETTE_INIT(ti74); - DECLARE_INPUT_CHANGED_MEMBER(battery_status_changed); - DECLARE_DEVICE_IMAGE_LOAD_MEMBER(ti74_cartridge); -}; - - - -/*************************************************************************** - - File Handling - -***************************************************************************/ - -DEVICE_IMAGE_LOAD_MEMBER(ti74_state, ti74_cartridge) -{ - UINT32 size = m_cart->common_get_size("rom"); - - // max size is 32KB - if (size > 0x8000) - { - image.seterror(IMAGE_ERROR_UNSPECIFIED, "Invalid file size"); - return IMAGE_INIT_FAIL; - } - - m_cart->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE); - m_cart->common_load_rom(m_cart->get_rom_base(), size, "rom"); - - return IMAGE_INIT_PASS; -} - - - -/*************************************************************************** - - Video - -***************************************************************************/ - -PALETTE_INIT_MEMBER(ti74_state, ti74) -{ - palette.set_pen_color(0, rgb_t(138, 146, 148)); // background - palette.set_pen_color(1, rgb_t(92, 83, 88)); // lcd pixel on - palette.set_pen_color(2, rgb_t(131, 136, 139)); // lcd pixel off -} - -void ti74_state::update_lcd_indicator(UINT8 y, UINT8 x, int state) -{ - // TI-74 ref._________________... - // output# |10 11 12 13 14 2 3 4 - // above | < SHIFT CTL FN I/O UCL _LOW > - // ---- raw lcd screen here ---- - // under | BASIC CALC DEG RAD GRAD STAT - // output# | 63 64 1 62 53 54 - // - // TI-95 ref._________________... - // output# | 40 43 41 44 42 12 11 10/13/14 0 1 2 - // above | _LOW _ERROR 2nd INV ALPHA LC INS DEGRAD HEX OCT I/O - // screen- | _P{70} <{71} RUN{3} - // area . SYS{4} - output_set_lamp_value(y * 10 + x, state); -} - -static HD44780_PIXEL_UPDATE(ti74_pixel_update) -{ - // char size is 5x7 + cursor - if (x > 4 || y > 7) - return; - - if (line == 1 && pos == 15) - { - // the last char is used to control the 14 lcd indicators - ti74_state *driver_state = device.machine().driver_data<ti74_state>(); - driver_state->update_lcd_indicator(y, x, state); - } - else if (line < 2 && pos < 16) - { - // internal: 2*16, external: 1*31 - if (y == 7) y++; // the cursor is slightly below the character - bitmap.pix16(1 + y, 1 + line*16*6 + pos*6 + x) = state ? 1 : 2; - } -} - -static HD44780_PIXEL_UPDATE(ti95_pixel_update) -{ - // char size is 5x7 + cursor - if (x > 4 || y > 7) - return; - - if (line == 1 && pos == 15) - { - // the last char is used to control the 17 lcd indicators - ti74_state *driver_state = device.machine().driver_data<ti74_state>(); - driver_state->update_lcd_indicator(y, x, state); - } - else if (line == 0 && pos < 16) - { - // 1st line is simply 16 chars - if (y == 7) y++; // the cursor is slightly below the char - bitmap.pix16(10 + y, 1 + pos*6 + x) = state ? 1 : 2; - } - else if (line == 1 && pos < 15 && y < 7) - { - // 2nd line is segmented into 5 groups of 3 chars, there is no cursor - // note: the chars are smaller than on the 1st line (this is handled in .lay file) - const int gap = 9; - int group = pos / 3; - bitmap.pix16(1 + y, 1 + group*gap + pos*6 + x) = state ? 1 : 2; - } -} - - - -/*************************************************************************** - - I/O, Memory Maps - -***************************************************************************/ - -READ8_MEMBER(ti74_state::keyboard_r) -{ - UINT8 ret = 0; - - // read selected keyboard rows - for (int i = 0; i < 8; i++) - { - if (m_key_select >> i & 1) - ret |= m_key_matrix[i]->read(); - } - - return ret; -} - -WRITE8_MEMBER(ti74_state::keyboard_w) -{ - // d(0-7): select keyboard column - m_key_select = data; -} - -WRITE8_MEMBER(ti74_state::bankswitch_w) -{ - // d0-d1: system rom bankswitch - membank("sysbank")->set_entry(data & 3); - - // d2: power-on latch - if (~data & 4 && m_power) - { - m_power = 0; - m_maincpu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE); // stop running - } - - // d3: N/C -} - -static ADDRESS_MAP_START( main_map, AS_PROGRAM, 8, ti74_state ) - ADDRESS_MAP_UNMAP_HIGH - AM_RANGE(0x1000, 0x1001) AM_DEVREADWRITE("hd44780", hd44780_device, read, write) - AM_RANGE(0x2000, 0x3fff) AM_RAM AM_SHARE("sysram.ic3") - //AM_RANGE(0x4000, 0xbfff) // mapped by the cartslot - AM_RANGE(0xc000, 0xdfff) AM_ROMBANK("sysbank") -ADDRESS_MAP_END - -static ADDRESS_MAP_START( main_io_map, AS_IO, 8, ti74_state ) - AM_RANGE(TMS7000_PORTA, TMS7000_PORTA) AM_READ(keyboard_r) - AM_RANGE(TMS7000_PORTB, TMS7000_PORTB) AM_WRITE(bankswitch_w) - AM_RANGE(TMS7000_PORTE, TMS7000_PORTE) AM_WRITE(keyboard_w) AM_READNOP -ADDRESS_MAP_END - - - -/*************************************************************************** - - Inputs - -***************************************************************************/ - -INPUT_CHANGED_MEMBER(ti74_state::battery_status_changed) -{ - if (machine().phase() == MACHINE_PHASE_RUNNING) - update_battery_status(newval); -} - -static INPUT_PORTS_START( ti74 ) - PORT_START("BATTERY") - PORT_CONFNAME( 0x01, 0x01, "Battery Status" ) PORT_CHANGED_MEMBER(DEVICE_SELF, ti74_state, battery_status_changed, 0) - PORT_CONFSETTING( 0x00, "Low" ) - PORT_CONFSETTING( 0x01, DEF_STR( Normal ) ) - - // 8x8 keyboard matrix, RESET and ON buttons are not on it. Unused entries are not connected, but some have a purpose for factory testing. - // For convenience, number keys are mapped to number row too. - // PORT_NAME lists functions under [SHIFT] and [MODE] or [STAT] as secondaries. - PORT_START("IN.0") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') PORT_NAME("m M Frac") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') PORT_NAME("k K Frq") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') PORT_NAME("i I " UTF8_SQUAREROOT"x") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_NAME(UTF8_LEFT" " UTF8_LEFT) - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') PORT_NAME("u U x" UTF8_POW_2) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') PORT_NAME("j J nCr") - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') PORT_NAME("n N Intg") - - PORT_START("IN.1") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('%') - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') PORT_NAME("l L (x,y)") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') PORT_NAME("o O 1/x") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_NAME(UTF8_RIGHT" EE") - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') PORT_NAME("y Y log") - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') PORT_NAME("h H nPr") - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') PORT_NAME("b B EXC") - - PORT_START("IN.2") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_CHAR('\'') PORT_NAME("SPACE ' " UTF8_CAPITAL_DELTA"%") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') PORT_NAME("; : " UTF8_CAPITAL_SIGMA"+") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') PORT_NAME("p P y" UTF8_POW_X) - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_CHAR('(') PORT_NAME(UTF8_UP" (") - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') PORT_NAME("t T ln(x)") - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') PORT_NAME("g G n!") - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') PORT_NAME("v V SUM") - - PORT_START("IN.3") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(13) PORT_CHAR('=') PORT_NAME("ENTER =") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(END)) PORT_NAME("CLR UCL CE/C") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_CHAR(')') PORT_NAME(UTF8_DOWN" )") - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_NAME("RUN x<>y") - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_NAME("r R " UTF8_SMALL_PI) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_NAME("f F P>R") - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') PORT_NAME("c C RCL") - - PORT_START("IN.4") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('~') PORT_CHAR('?') PORT_NAME("+/- ? CSR") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1_PAD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_NAME("1 ! r") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4_PAD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_NAME("4 $ " UTF8_CAPITAL_SIGMA"x") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7_PAD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR(UCHAR_MAMEKEY(DEL)) PORT_NAME("7 DEL " UTF8_CAPITAL_SIGMA"x" UTF8_POW_2) - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(PAUSE)) PORT_NAME("BREAK") - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_NAME("e E tan") - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_NAME("d D DRG>") - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') PORT_NAME("x X STO") - - PORT_START("IN.5") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0_PAD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR('<') PORT_NAME("0 < x" UTF8_PRIME) - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2_PAD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"') PORT_NAME("2 \" a") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5_PAD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('&') PORT_NAME("5 & " UTF8_CAPITAL_SIGMA"y") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8_PAD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR(UCHAR_MAMEKEY(INSERT)) PORT_NAME("8 INS " UTF8_CAPITAL_SIGMA"y" UTF8_POW_2) - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGUP) PORT_CHAR(UCHAR_MAMEKEY(PGUP)) PORT_NAME("MODE") - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_NAME("w W cos") - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_NAME("s S DRG") - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') PORT_NAME("z Z PRINT") - - PORT_START("IN.6") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR('.') PORT_CHAR('>') PORT_NAME(". > y" UTF8_PRIME) // 2 on the keyboard, same scancode - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3_PAD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_NAME("3 # b") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6_PAD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^') PORT_NAME("6 ^ n") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9_PAD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_NAME("9 PB " UTF8_CAPITAL_SIGMA"xy") - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_CHAR(UCHAR_MAMEKEY(PGDN)) PORT_NAME("OFF") - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_NAME("q Q sin") - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_NAME("a A DMS>DD") - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) - - PORT_START("IN.7") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) PORT_NAME("+ s(y)") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_NAME("- s(x)") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK)) PORT_NAME("* y" UTF8_NONSPACE_MACRON) - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH_PAD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD)) PORT_NAME("/ x" UTF8_NONSPACE_MACRON) - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LALT) PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_NAME("FN hyp") - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_SHIFT_2) PORT_NAME("CTL STAT") - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_NAME("SHIFT INV") -INPUT_PORTS_END - -static INPUT_PORTS_START( ti95 ) - PORT_START("BATTERY") - PORT_CONFNAME( 0x01, 0x01, "Battery Status" ) PORT_CHANGED_MEMBER(DEVICE_SELF, ti74_state, battery_status_changed, 0) - PORT_CONFSETTING( 0x00, "Low" ) - PORT_CONFSETTING( 0x01, DEF_STR( Normal ) ) - - // 8x8 keyboard matrix, RESET and ON buttons are not on it. - // For convenience, number keys are mapped to number row too. - // PORT_NAME lists functions under [ALPHA] and [2nd] as secondaries. - PORT_START("IN.0") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGDN) PORT_NAME("OFF") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_NAME("BREAK Q") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_NAME("SIN A") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_NAME("I/O Z") - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PGUP) PORT_NAME("HELP ASM") - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(')') PORT_NAME(") ] DRG") - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH_PAD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD)) PORT_NAME(UTF8_DIVIDE" \\ DFN") - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR('=') PORT_NAME("= ~ TRACE") - - PORT_START("IN.1") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_NAME("EE { ENG") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_NAME("HALT W") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_NAME("COS S") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_NAME("FILES X") - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LALT) PORT_CODE(KEYCODE_RALT) PORT_NAME("ALPHA PART") - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3_PAD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_NAME("3 ; SBL") - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) PORT_NAME("+ & RTN") - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2_PAD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_NAME("2 : GTL") - - PORT_START("IN.2") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F1) PORT_NAME("F1") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_NAME(UTF8_CAPITAL_SIGMA"+ E") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_NAME("TAN D") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_NAME("STAT C") - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_NAME("LEARN PC") - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6_PAD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_NAME("6 @ CP") - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_NAME("- _ 13d") - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5_PAD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_NAME("5 % CMS") - - PORT_START("IN.3") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F2) PORT_NAME("F2") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_NAME("x~t R AH") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_NAME("LN F") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_NAME("CONV V") - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_HOME) PORT_NAME("OLD NOP") - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9_PAD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_NAME("9 > x!") - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK)) PORT_NAME(UTF8_MULTIPLY" ^ " UTF8_SMALL_PI) - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8_PAD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_NAME("8 < nCr") - - PORT_START("IN.4") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F3) PORT_NAME("F3") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_NAME("HYP T BH") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_NAME("LOG G") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_NAME("NUM B") - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_NAME("RUN SPACE") - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0_PAD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_NAME("0 $ PAUSE") - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR('.') PORT_NAME(". ? ADV") - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_NAME("+/- ! PRINT") - - PORT_START("IN.5") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F4) PORT_NAME("F4") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_NAME("INCR Y CH") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_NAME("x" UTF8_POW_2" H") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_NAME("FLAGS N") - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LEFT) PORT_NAME(UTF8_LEFT" DEL") - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_NAME("RCL O FH") - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_NAME("INV P") - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7_PAD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_NAME("7 } nPr") - - PORT_START("IN.6") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F5) PORT_NAME("F5") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_NAME("EXC U DH") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_NAME(UTF8_SQUAREROOT"x J") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_NAME("TESTS M") - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_RIGHT) PORT_NAME(UTF8_RIGHT" INS") - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_NAME("y" UTF8_POW_X" L") - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_NAME("2nd") - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4_PAD) PORT_CODE(KEYCODE_4) PORT_CHAR('4' )PORT_NAME("4 IND") - - PORT_START("IN.7") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('(') PORT_NAME("( [ FIX") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_NAME("STO I EH") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_NAME("1/x K") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_NAME("FUNC , \"") - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_END) PORT_NAME("CE F:CLR") - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_STOP) PORT_NAME("LIST . '") - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DEL) PORT_NAME("CLEAR") - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1_PAD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_NAME("1 # LBL") -INPUT_PORTS_END - - - -/*************************************************************************** - - Machine Config - -***************************************************************************/ - -void ti74_state::update_battery_status(int state) -{ - // battery ok/low status is on int1 line! - m_maincpu->set_input_line(TMS7000_INT1_LINE, state ? ASSERT_LINE : CLEAR_LINE); -} - -void ti74_state::machine_reset() -{ - m_power = 1; - - update_battery_status(m_battery_inp->read()); -} - -void ti74_state::machine_start() -{ - if (m_cart->exists()) - m_maincpu->space(AS_PROGRAM).install_read_handler(0x4000, 0xbfff, read8_delegate(FUNC(generic_slot_device::read_rom),(generic_slot_device*)m_cart)); - - membank("sysbank")->configure_entries(0, 4, memregion("system")->base(), 0x2000); - membank("sysbank")->set_entry(0); - - // zerofill - m_key_select = 0; - m_power = 0; - - // register for savestates - save_item(NAME(m_key_select)); - save_item(NAME(m_power)); -} - -static MACHINE_CONFIG_START( ti74, ti74_state ) - - /* basic machine hardware */ - MCFG_CPU_ADD("maincpu", TMS70C46, XTAL_4MHz) - MCFG_CPU_PROGRAM_MAP(main_map) - MCFG_CPU_IO_MAP(main_io_map) - - MCFG_NVRAM_ADD_0FILL("sysram.ic3") - - /* video hardware */ - MCFG_SCREEN_ADD("screen", LCD) - MCFG_SCREEN_REFRESH_RATE(60) // arbitrary - MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) - MCFG_SCREEN_SIZE(6*31+1, 9*1+1+1) - MCFG_SCREEN_VISIBLE_AREA(0, 6*31, 0, 9*1+1) - MCFG_DEFAULT_LAYOUT(layout_ti74) - MCFG_SCREEN_UPDATE_DEVICE("hd44780", hd44780_device, screen_update) - MCFG_SCREEN_PALETTE("palette") - - MCFG_PALETTE_ADD("palette", 3) - MCFG_PALETTE_INIT_OWNER(ti74_state, ti74) - - MCFG_HD44780_ADD("hd44780") // 270kHz - MCFG_HD44780_LCD_SIZE(2, 16) // 2*16 internal - MCFG_HD44780_PIXEL_UPDATE_CB(ti74_pixel_update) - - /* cartridge */ - MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "ti74_cart") - MCFG_GENERIC_EXTENSIONS("bin,rom,256") - MCFG_GENERIC_LOAD(ti74_state, ti74_cartridge) - - MCFG_SOFTWARE_LIST_ADD("cart_list", "ti74_cart") -MACHINE_CONFIG_END - -static MACHINE_CONFIG_START( ti95, ti74_state ) - - /* basic machine hardware */ - MCFG_CPU_ADD("maincpu", TMS70C46, XTAL_4MHz) - MCFG_CPU_PROGRAM_MAP(main_map) - MCFG_CPU_IO_MAP(main_io_map) - - MCFG_NVRAM_ADD_0FILL("sysram.ic3") - - /* video hardware */ - MCFG_SCREEN_ADD("screen", LCD) - MCFG_SCREEN_REFRESH_RATE(60) // arbitrary - MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) - MCFG_SCREEN_SIZE(200, 20) - MCFG_SCREEN_VISIBLE_AREA(0, 200-1, 0, 20-1) - MCFG_DEFAULT_LAYOUT(layout_ti95) - MCFG_SCREEN_UPDATE_DEVICE("hd44780", hd44780_device, screen_update) - MCFG_SCREEN_PALETTE("palette") - - MCFG_PALETTE_ADD("palette", 3) - MCFG_PALETTE_INIT_OWNER(ti74_state, ti74) - - MCFG_HD44780_ADD("hd44780") - MCFG_HD44780_LCD_SIZE(2, 16) - MCFG_HD44780_PIXEL_UPDATE_CB(ti95_pixel_update) - - /* cartridge */ - MCFG_GENERIC_CARTSLOT_ADD("cartslot", generic_plain_slot, "ti95_cart") - MCFG_GENERIC_EXTENSIONS("bin,rom,256") - MCFG_GENERIC_LOAD(ti74_state, ti74_cartridge) - - //MCFG_SOFTWARE_LIST_ADD("cart_list", "ti95_cart") -MACHINE_CONFIG_END - - - -/*************************************************************************** - - ROM Definitions - -***************************************************************************/ - -ROM_START( ti74 ) - ROM_REGION( 0x10000, "maincpu", 0 ) - ROM_LOAD( "c70009.ic2", 0xf000, 0x1000, CRC(55a2f7c0) SHA1(530e3de42f2e304c8f4805ad389f38a459ec4e33) ) // internal cpu rom - - ROM_REGION( 0x8000, "system", 0 ) - ROM_LOAD( "hn61256pc93.ic1", 0x0000, 0x8000, CRC(019aaa2f) SHA1(04a1e694a49d50602e45a7834846de4d9f7d587d) ) // system rom, banked -ROM_END - - -ROM_START( ti95 ) - ROM_REGION( 0x10000, "maincpu", 0 ) - ROM_LOAD( "c70011.ic2", 0xf000, 0x1000, CRC(b4d0a5c1) SHA1(3ff41946d014f72220a88803023b6a06d5086ce4) ) // internal cpu rom - - ROM_REGION( 0x8000, "system", 0 ) - ROM_LOAD( "hn61256pc95.ic1", 0x0000, 0x8000, CRC(c46d29ae) SHA1(c653f08590dbc28241a9f5a6c2541641bdb0208b) ) // system rom, banked -ROM_END - - -COMP( 1985, ti74, 0, 0, ti74, ti74, driver_device, 0, "Texas Instruments", "TI-74 BASICALC", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW ) -COMP( 1986, ti95, 0, 0, ti95, ti95, driver_device, 0, "Texas Instruments", "TI-95 PROCALC", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW ) |