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path: root/src/mess/drivers/ti74.c
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Diffstat (limited to 'src/mess/drivers/ti74.c')
-rw-r--r--src/mess/drivers/ti74.c605
1 files changed, 0 insertions, 605 deletions
diff --git a/src/mess/drivers/ti74.c b/src/mess/drivers/ti74.c
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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 )