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Diffstat (limited to 'src/mame/machine/dec_lk201.cpp')
-rw-r--r-- | src/mame/machine/dec_lk201.cpp | 925 |
1 files changed, 0 insertions, 925 deletions
diff --git a/src/mame/machine/dec_lk201.cpp b/src/mame/machine/dec_lk201.cpp deleted file mode 100644 index 3230a3b1dda..00000000000 --- a/src/mame/machine/dec_lk201.cpp +++ /dev/null @@ -1,925 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:R. Belmont, M. Burke -/* - DEC LK-201 keyboard - Emulation by R. Belmont & M. Burke -with contributions by Cracyc and Karl-Ludwig Deisenhofer (2016) - -This is the later "cost-reduced" 6805 version with green LEDs; there's also an 8048 version. - The LK-201 mechanical elements are described in US Patent 4,467,150 -*/ - -/* LK201-AA keyboard matrix (8048 version with updates) - Source: VCB02 Technical Reference. - - KBD controller scan matrix (PORT 1): 8 x BCD IN => 18 DECIMAL OUT - - Keyboard itself: - 18 x IN (KEYBOARD DRIVE) KBD 17... KBD 0 => - 8 OUT (keyboard data @ D7..D0) - - to => PORT 0 @ KBD controller. - -________|D7 |D6 |D5 |D4 |D3 |D2 |D1 |D0 -..KBD17:|[R] |F19 |[R] |F20|PF4|N- | N,| Enter (numpad) -........| | | | | | NOTE1) -........| |G22 | |G23|E23|D23|C23| A23 ---------|----|----|----|---|---|---|---|--- -..KBD16:|F18 |PF3 |[R] |N9 |C:D|N6 |N3 |N. -........|G21 |E22 | |D22|B17|C22|B22|A22 ---------|----|----|----|---|---|---|---|--- -..KBD15:|F17 |PF2 |[R] |N8 |N5 |C:R| N2|N0 (right) -........| | | | | | | |see NOTE 2) -........|G20 |E21 | |D21|C21|B18|B21|A21 ---------|----|----|----|---|---|---|---|--- - KBD14:|PF1 |Next|Rem-|C:U|N7 |N4 |N1 |N0 (left) -........| |Scrn|move|...| | | |see NOTE 2) -........|E20 |D18 |E18 |C17|D20|C20|B20|A20 ---------|----|----|----|---|---|---|---|--- -..KBD13:|Ins.|'_' |'Do'|Prev { |" |[R]|[R] -........|Here|'-' | |Scrn [ |' | | -........|E17 |E11 |G16 |D17|D11|C11|B13|A17 ---------|----|----|----|---|---|---|---|--- -..KBD12:|Find|+ |Help|Se-| } |Re-|C:L| | -........| |= | |lect ] |turn...| \ -........|E16 |E12 |G15 |D16 D12|C13|B16|C12 ---------|----|----|----|---|---|---|---|--- -..KBD11:Addtnl <X||[R] |) |P NOTE|: | ? -.......Options Del| |0 | | 3)|; | / -........|G14 | E13|....|E10|D10|...|C10|B10 ---------|----|----|----|---|---|---|---|--- -..KBD10:|[R] |F12 |[R] |F13| ( |O |L | . -........|....|(BS)| |(LF) 9 | | | . -........|....|G12 |....|G13|E09|D09|C09|B09 ---------|----|----|----|---|---|---|---|--- -..KBD_9:|[R] |F11 |[R] |[R]|* |I |K | , -........|....|ESC | | |8 | | | , -........|....|G11 |....|...|E08|D08|C08|B08 ---------|----|----|----|---|---|---|---|--- -..KBD_8:|[R] |Main|[R] Exit|& |U |J |M -........| |Scrn| | |7 | | | -........| |G08 | |G09|E07|D07|C07|B07 ---------|----|----|----|---|---|---|---|--- -..KBD_7:|[R] Cancel[R] Resu ^ |Y |H |N -........|....|....|.....me |6 | | | -........|....|G07 |....|G06|E06|D06|C06|B06 ---------|----|----|----|---|---|---|---|--- -..KBD_6:|[R] |[R] |[R] Inter % |T |G |B -........|....|....|....rupt| 5 | | | -........|....|....|....|G05|E05|D05|C05|B05 ---------|----|----|----|---|---|---|---|--- -..KBD_5: F4 |Break [R]|$ |R |F |V |Space -........|....|....|....|4 | | | | -........ G02 |G03 |....|E04 D04 C04 B04 A01-A09 ---------|----|----|----|---|---|---|---|--- -..KBD_4: [R] |Prt.|[R] |Set|# |E |D |C -........|....|Scrn|....|-Up|3 | | | -........|....|G00 |....|G01 E03 D03 C03 B03 ---------|----|----|----|---|---|---|---|--- -..KBD_3: Hold| @ |[R] |Tab|W |S |X |> -........|Scrn| 2 |....| | | | |< -........|G99 |E02 |....|D00|D02|C02|B02|B00 ---------|----|----|----|---|---|---|---|--- -..KBD_2: [R] |[R] |[R] |~ |! |Q |A |Z -........|..............|...|1 -........|..............|E00 E01 D01 C01 B01 ---------|----|----|----|---|---|---|---|--- -..KBD_1: Ctrl|Lock|Comp|[R] -........|C99 |C00 |A99 | ---------|----|----|----|---|---|---|---|--- -..KBD_0: Shift -........|B99,B11 - ---- - [R] = Reserved - NOTE 1) N0-N9, N-, N. and N, refer to numeric keypad - NOTE 2) N0 can be divided into 2 keys. - Normally only the N0 keyswitch is implemented as a double-sized key. - A21 = N0 (right); A20 = N0 (left) - NOTE 3) Return key occupies 2 positions that are - decoded as the Return (C13) key. C13 = RETURN (bot.); D13 = RETURN (top) - - C:D - Cursor down (B17) - C:U - Cursor up (C17) - C:R - Cursor right (B18) - */ - -#include "emu.h" -#include "dec_lk201.h" -#include "cpu/m6805/m6805.h" -#include "speaker.h" - -//************************************************************************** -// MACROS / CONSTANTS -//************************************************************************** - -#define LK201_CPU_TAG "lk201_cpu" -#define LK201_SPK_TAG "beeper" - -//------------------------------------------------- -// SERIAL COMMUNICATIONS INTERFACE -//------------------------------------------------- - -#define SCI_BAUD 0 // Baud rate register -#define BAUD_SCR 0x07 // SCI baud rate select -#define BAUD_SCP 0x30 // SCI prescaler select - -#define SCI_SCCR1 1 // Control register 1 -#define SCCR1_WAKE 0x08 // Wakeup method -#define SCCR1_M 0x10 // Character length -#define SCCR1_T8 0x40 // Transmit bit 8 -#define SCCR1_R8 0x80 // Receive bit 8 - -#define SCI_SCCR2 2 // Control register 2 -#define SCCR2_SBK 0x01 // Send break -#define SCCR2_RWU 0x02 // Receiver wakeup enable -#define SCCR2_RE 0x04 // Receiver enable -#define SCCR2_TE 0x08 // Transmitter enable -#define SCCR2_ILIE 0x10 // Idle line interrupt enable -#define SCCR2_RIE 0x20 // Receiver interrupt enable -#define SCCR2_TCIE 0x40 // Transmit complete interrupt enable -#define SCCR2_TIE 0x80 // Transmit interrupt enable - -#define SCI_SCSR 3 // Status register -#define SCSR_FE 0x02 // Receiver framing error -#define SCSR_NF 0x04 // Receiver noise -#define SCSR_OR 0x08 // Receiver overrun -#define SCSR_IDLE 0x10 // Receiver idle -#define SCSR_RDRF 0x20 // Receive data register full -#define SCSR_TC 0x40 // Transmit complete -#define SCSR_TDRE 0x80 // Transmit data register empty -#define SCSR_INT (SCSR_IDLE | SCSR_RDRF| \ - SCSR_TC | SCSR_TDRE) // Interrupt sources - -#define SCI_SCDR 4 // Data register - -//------------------------------------------------- -// SERIAL PERIPHERAL INTERFACE -//------------------------------------------------- - -#define SPI_SPCR 0 // Control register -#define SPCR_SPR 0x03 // SPI clock rate select -#define SPCR_CPHA 0x04 // Clock phase -#define SPCR_CPOL 0x08 // Clock polarity -#define SPCR_MSTR 0x10 // Master mode select -#define SPCR_DWOM 0x20 // Port D wire-or mode option -#define SPCR_SPE 0x40 // Serial peripheral system enable -#define SPCR_SPIE 0x80 // Serial peripheral interrupt enable - -#define SPI_SPSR 1 // Status register -#define SPSR_MODF 0x10 // Mode fault flag -#define SPSR_WCOL 0x40 // Write collision -#define SPSR_SPIF 0x80 // SPI transfer complete - -#define SPI_SPDR 2 // Data I/O Register - -//************************************************************************** -// DEVICE DEFINITIONS -//************************************************************************** - -DEFINE_DEVICE_TYPE(LK201, lk201_device, "lk201", "DEC LK201 Keyboard") - -ROM_START( lk201 ) - ROM_REGION(0x2000, LK201_CPU_TAG, 0) - -// 23-001s9-00.bin is for the newer LK201 version (green LEDs, Motorola 6805) - ROM_LOAD( "23-001s9-00.bin", 0x0000, 0x2000, CRC(be293c51) SHA1(a11ae004d2d6055d7279da3560c3e56610a19fdb) ) - -// 23-004M1 or 23-004M2 are in the older LK201 keyboard with red LEDs (8051 or 8051H respectively, same code on both?) - ROM_REGION( 0x1000, "i8051cpu", 0 ) - ROM_LOAD( "23-004m2.8051h.e1", 0x0000, 0x1000, CRC(35dd04c6) SHA1(9744c561d76fe85afaccc7a2485ce2865236873a) ) - -ROM_END - -//------------------------------------------------- -// ADDRESS_MAP -//------------------------------------------------- - -void lk201_device::lk201_map(address_map &map) -{ - map(0x0000, 0x0002).rw(FUNC(lk201_device::ports_r), FUNC(lk201_device::ports_w)); - map(0x0004, 0x0006).rw(FUNC(lk201_device::ddr_r), FUNC(lk201_device::ddr_w)); - map(0x000a, 0x000c).rw(FUNC(lk201_device::spi_r), FUNC(lk201_device::spi_w)); - map(0x000d, 0x0011).rw(FUNC(lk201_device::sci_r), FUNC(lk201_device::sci_w)); - map(0x0012, 0x001b).rw(FUNC(lk201_device::timer_r), FUNC(lk201_device::timer_w)); - map(0x0050, 0x00ff).ram(); - map(0x0100, 0x1fff).rom().region(LK201_CPU_TAG, 0x100); -} - - -//------------------------------------------------- -// device_add_mconfig - add device configuration -//------------------------------------------------- - -void lk201_device::device_add_mconfig(machine_config &config) -{ - M68HC05EG(config, m_maincpu, XTAL(4'000'000)); // actually 68HC05C4, clock verified by Lord_Nightmare - m_maincpu->set_addrmap(AS_PROGRAM, &lk201_device::lk201_map); - - SPEAKER(config, "mono").front_center(); - BEEP(config, m_speaker, 2000); // clocked by a 555 timer at E8, the volume of the beep is controllable by: (8051 model) P2.0 thru P2.3, or (6805 model) the upper 4 bits of the LED data latch - m_speaker->add_route(ALL_OUTPUTS, "mono", 0.50); -} - -const tiny_rom_entry *lk201_device::device_rom_region() const -{ - return ROM_NAME( lk201 ); -} - -//------------------------------------------------- -// INPUT_PORTS( lk201 ) -//------------------------------------------------- - -/* [Foreign language caps] are referenced in software titles. Please leave them in. - - DEC omitted terms like 'Interrupt', 'Break' and 'Data / Talk' on some keyboards, - so Fn numbers are definitely important for end users. - - === CURRENT SPECIAL KEYS === - [PC-AT] ......=> [DEC] - LEFT CONTROL..=> Control - LEFT ALT .....=> Compose - - RIGHT ALT ....=> Help - RIGHT CONTROL => Do - ============================================================================================== - === (PC - AT ) keys above cursor block === - * KEYCODE_INSERT * KEYCODE_HOME * KEYCODE_PGUP - * KEYCODE_DEL... * KEYCODE_END * KEYCODE_PGDN - - === (DEC LK 201 layout above cursor) === - * Find ........| Insert Here | Remove - * Select.........| Prev ..... | Next - ============================================================================================== - === CURRENT NUM PAD ASSIGNMENTS === - [PF1] to [PF4] are mapped to NUM LOCK, SLASH etc. (=> 4 keys on top on num pad). - Num pad '+' gives ',' on the DEC. - ',' translates to '.' (=> more or less the layout of model 'LK-201-AG') - - Switch between 'full' and 'partial keyboard emulation' with Scroll Lock. -*/ - -INPUT_PORTS_START( lk201 ) - -/* -Actual membrane part number (from later 6805-based LK201 keyboard): 54-15172 - -Matrix Rows to bit translation, from schematic page 20 ( http://bitsavers.trailing-edge.com/pdf/dec/terminal/lk201/MP01395_LK201_Schematic_Oct83.pdf ) -Bit D0 - Column P3-3 - D1 - Column P3-7 - D2 - Column P3-8 - D3 - Column P3-12 - D4 - Column P2-8 - D5 - Column P1-2 - D6 - Column P3-11 - D7 - Column P1-3 - -Keyboard Matrix ---------------- -Row select -| Columns SwitchID by bit Columns Key by bit -| D5 D7 D4 D0 D1 D2 D3 D6 D5 D7 D4 D0 D1 D2 D3 D6 -V V V V V V V V V V V V V V V V V -P1-6 --- E99 E00 B01 C01 D01 E01 D99 --- N/C ` Z A Q 1 N/C -P1-7 --- G99 D00 B00 B02 C02 D02 E02 --- F1 TAB <> X S W 2 -P1-9 --- --- G01 B03 C03 D03 E03 G00 --- --- F3 C D E 3 F2 -P1-10 A99 C99 A10 --- --- --- --- C00 COMP CTRL N/C --- --- --- --- CAPS -P1-11 --- G02 E04 A0406 B04 C04 D04 G03 --- F4 4 SPACE V F R F5 -P2-2 --- --- G05 B05 C05 D05 E05 G04 --- --- F6 B G T 5 N/C -P2-3 --- --- G06 B06 C06 D06 E06 G07 --- --- F7 N H Y 6 F8 -P2-4 --- --- G09 B07 C07 D07 E07 G08 --- --- F10 M J U 7 F9 -P2-5 --- B9911 --- --- --- --- --- --- --- SHFT --- --- --- --- --- --- -P2-6 --- --- G10 B08 C08 D08 E08 G11 --- --- N/C , K I 8 F11 -P2-9 --- --- G13 B09 C09 D09 E09 G12 --- --- F13 . L O 9 F12 -P2-10 --- G14 E10 B10 C10 D13 D10 E13 --- F14 0 / ; N/C P BKSP(DEL) -P2-11 G15 E16 D16 C12 B16 C13 D12 E12 HELP FIND SLCT \ LEFT RETN ] = -P3-2 G16 E17 D17 A17 B13 C11 D11 E11 DO INST PREV N/C N/C ' [ - -P3-4 E18 E20 C17 A20 B20 C20 D20 D18 RMVE PF1 UP k0 k1 k4 k7 NEXT -P3-5 --- G20 D21 A21 B21 B18 C21 E21 --- F17 k8 N/C k2 RGHT k5 PF2 -P3-6 --- G21 D22 A22 B22 C22 B17 E22 --- F18 k9 k. k3 k6 DOWN PF3 -P3-9 --- --- G23 A23 C23 D23 E23 G22 --- --- F20 kRTN k, k- PF4 F19 - ---- = No matrix switch at all -N/C = switch present, but officially unused? - */ - - PORT_START("KBD0") // Row P2-5 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) // B99 and B11 - - PORT_START("KBD1") // Row P1-10 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) // A10, exists but no key above this position (right compose?) - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Compose") PORT_CODE(KEYCODE_LALT) PORT_CHAR(UCHAR_MAMEKEY(LALT)) // A99 - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Caps Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) // C00, does not toggle/physically lock - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) // C99 - - PORT_START("KBD2") // Row P1-6 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Z") PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') // B01 - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("A") PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') // C01 - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Q") PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') // D01 - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("1") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') // E01 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Tilde") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~') // E00 - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) // D99, exists but no key above this position - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) // E99, exists but no key above this position - - PORT_START("KBD3") // Row P1-7 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("<") PORT_CODE(KEYCODE_BACKSLASH2) PORT_CHAR('<') PORT_CHAR('>') // B00 - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("X") PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') // B02 - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("S") PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') // C02 - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("W") PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') // D02 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Tab") PORT_CODE(KEYCODE_TAB) PORT_CHAR(UCHAR_MAMEKEY(TAB)) // D00 - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("2") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') // E02 - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Hold Screen (F1)") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) // G99 - - PORT_START("KBD4") // Row P1-9 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("C") PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') // B03 - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("D") PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') // C03 - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("E") PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') // D03 - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("3") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') // E03 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Setup (F3)") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) // G01 - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Print Screen (F2)") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) // G00 - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) - - PORT_START("KBD5") // Row P1-11 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') // A04 and A06 - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("V") PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') // B04 - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F") PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') // C04 - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("R") PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') // D04 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("4") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') // E04 - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Break (F5)") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) // G03 - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Data / Talk (F4)") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) // G02 - - PORT_START("KBD6") // Row P2-2 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("B") PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') // B05 - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("G") PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') // C05 - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("T") PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') // D05 - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("5") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') // E05 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Interrupt (F6) [X]") PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6)) // G05 - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) // G04, exists but no key above this position (between F5 and F6) - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) - - PORT_START("KBD7") // Row P2-3 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("N") PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') // B06 - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("H") PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') // C06 - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Y") PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') // D06 - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("6") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^') // E06 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Resume (F7) [Fortsetzen]") PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7)) // G06 - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Cancel (F8) [Zuruecknehmen]") PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8)) // G07 - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) - - PORT_START("KBD8") // Row P2-4 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("M") PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') // B07 - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("J") PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') // C07 - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("U") PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') // D07 - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("7") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') // E07 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Exit (F10) [Fertig]") PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10)) // G09 - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Main Screen (F9) [Hauptbild]") PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9)) // G08 - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) - - PORT_START("KBD9") // Row P2-6 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(",") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') // B08 - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("K") PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') // C08 - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("I") PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') // D08 - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("8") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*') // E08 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED ) // G10, exists but no key above this position (between F10 and F11) - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("ESC (F11)") PORT_CODE(KEYCODE_F11) PORT_CHAR(UCHAR_MAMEKEY(F11)) // G11 - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) - - PORT_START("KBD10") // Row P2-9 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(".") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') // B09 - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("L") PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') // C09 - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("O") PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') // D09 - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("9") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') // E09 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("LF (F13)") PORT_CODE(KEYCODE_F13) // G13 - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("BS (F12)") PORT_CODE(KEYCODE_F12) PORT_CHAR(UCHAR_MAMEKEY(F12)) // G12 - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) - - PORT_START("KBD11") // Row P2-10 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("/") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') // B10 - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME(";") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') // C10 - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED ) // D13, exists but no key(?) above this position (under the upper half of the 'Return' key), DOES register as return; NOT LISTED on older schematic but definitely appears on the physical membrane of the later 6805 keyboard! - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("P") PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') // D10 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("0") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') // E10 - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Delete <X") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) // E13 - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Additional Options (F14) [Zusaetze]") PORT_CODE(KEYCODE_PRTSCR) PORT_CHAR(UCHAR_MAMEKEY(PRTSCR)) // G14 - - PORT_START("KBD12") // Row P2-11 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("\\") PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') // C12 - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) // B16 - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) // C13 - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("]") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') // D12 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Select") PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(END)) // D16 - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Help (F15)") PORT_CODE(KEYCODE_RALT) PORT_CHAR(UCHAR_MAMEKEY(RALT)) // G15 - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("=") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+') // E12 - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Find") PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(HOME)) // E16 - - PORT_START("KBD13") // Row P3-2 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_UNUSED ) // A17, exists but no key above this position (below the 'Down Arrow') - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED ) // B13, exists but no key above this position (right of right shift, 'whoami' or 'linefeed' key on decwriter?) - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("'") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"') // C11 - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') // D11 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Previous [^]") PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(PGUP)) // D17 - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Do (F16) [Ausfuehren]") PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL)) // G16 - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("-") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') // E11 - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Insert Here") PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) // E17 - - PORT_START("KBD14") // Row P3-4 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 0") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) // A20 - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 1") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) // B20 - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 4") PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) // C20 - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 7") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) // D20 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Up") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) // C17 - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Remove") PORT_CODE(KEYCODE_PGUP) PORT_CHAR(UCHAR_MAMEKEY(DEL)) // E18 - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Next [v]") PORT_CODE(KEYCODE_PGDN) PORT_CHAR(UCHAR_MAMEKEY(PGDN)) // D18 - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF1") PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK)) // E20 - - PORT_START("KBD15") // Row P3-5 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) // A21, exists AND WORKS (as '0') but no key above this position (under right side of 'Keypad 0' key, maybe intended as a '00' key,) - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 2") PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) // B21 - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Right") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) // B18 - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 5") PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) // C21 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 8") PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) // D21 - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF2") PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD)) // E21 - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F17") // G20 - - PORT_START("KBD16") // Row P3-6 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num .") PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) // A22 - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 3") PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) // B22 - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 6") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) // C22 - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Down") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) // B17 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num 9") PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) // D22 - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF3") PORT_CODE(KEYCODE_ASTERISK) // E22 - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F18") // G21 - - PORT_START("KBD17") // Row P3-9 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Enter") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) // A23 - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num ,") PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD)) // C23 - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Num -") // D23 - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PF4") PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) // E23 - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F20") // G23 - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("F19") // G22 - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) - -INPUT_PORTS_END - - -//------------------------------------------------- -// input_ports - device-specific input ports -//------------------------------------------------- - -ioport_constructor lk201_device::device_input_ports() const -{ - return INPUT_PORTS_NAME( lk201 ); -} - -//************************************************************************** -// LIVE DEVICE -//************************************************************************** - -//------------------------------------------------- -// lk201_device - constructor -//------------------------------------------------- - -lk201_device::lk201_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) - : device_t(mconfig, LK201, tag, owner, clock), - device_serial_interface(mconfig, *this), - m_maincpu(*this, LK201_CPU_TAG), - m_speaker(*this, LK201_SPK_TAG), - m_kbd(*this, "KBD%u", 0U), - m_led_wait(*this, "led_wait"), - m_led_compose(*this, "led_compose"), - m_led_lock(*this, "led_lock"), - m_led_hold(*this, "led_hold"), - m_tx_handler(*this) -{ -} - -//------------------------------------------------- -// device_start - device-specific startup -//------------------------------------------------- - -void lk201_device::device_start() -{ - m_count = timer_alloc(1); - m_tx_handler.resolve_safe(); - - m_beeper = timer_alloc(2); - - m_led_wait.resolve(); - m_led_compose.resolve(); - m_led_lock.resolve(); - m_led_hold.resolve(); -} - - -//------------------------------------------------- -// device_reset - device-specific reset -//------------------------------------------------- - -void lk201_device::device_reset() -{ - m_beeper->adjust(attotime::never); - - m_speaker->set_state(0); - m_speaker->set_output_gain(0, 0); - - ddrs[0] = ddrs[1] = ddrs[2] = 0; - ports[0] = ports[1] = ports[2] = 0; - - set_data_frame(1, 8, PARITY_NONE, STOP_BITS_1); - set_rate(4800); - m_count->adjust(attotime::from_hz(1200), 0, attotime::from_hz(1200)); - memset(m_timer.regs, 0, sizeof(m_timer.regs)); - - sci_status = (SCSR_TC | SCSR_TDRE); - - spi_status = 0; - spi_data = 0; - - kbd_data = 0; - led_data = 0; - - transmit_register_reset(); - receive_register_reset(); - - // GREEN KEYBOARD LEDs (1 = on, 0 = off): - m_led_wait = 0; // led8 - m_led_compose = 0; // led9 - m_led_lock = 0; // led10 - m_led_hold = 0; // led11 -} - -void lk201_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) -{ - switch (id) - { - case 1: - m_timer.tsr |= TSR_OCFL; - - if ((m_timer.tcr & TCR_OCIE) && (m_timer.tsr & TSR_OCFL)) - m_maincpu->set_input_line(M68HC05EG_INT_TIMER, ASSERT_LINE); - break; - - case 2: - m_speaker->set_output_gain(0, 0); - m_speaker->set_state(0); - break; - - default: - break; - } -} - - -void lk201_device::rcv_complete() -{ - sci_status |= SCSR_RDRF; - update_interrupts(); - receive_register_extract(); - - int data = get_received_char(); - m_kbd_state = data; -// printf("\nlk201 got %02x\n", m_kbd_state); -} - -void lk201_device::tra_complete() -{ - sci_status |= (SCSR_TC | SCSR_TDRE); - update_interrupts(); -} - -void lk201_device::tra_callback() -{ - m_tx_handler(transmit_register_get_data_bit()); -} - -void lk201_device::update_interrupts() -{ - if (sci_ctl2 & sci_status & SCSR_INT) - { - m_maincpu->set_input_line(M68HC05EG_INT_CPI, 1); - } - else - { - m_maincpu->set_input_line(M68HC05EG_INT_CPI, 0); - } -} - -uint8_t lk201_device::timer_r(offs_t offset) -{ - static uint16_t count; - - uint8_t ret = m_timer.regs[offset]; - - switch (offset) - { - case 8: // ACRH (high value is stored and reused when reading low) - count = (m_maincpu->total_cycles() / 4) & 0x0000ffff; - ret = count >> 8; - break; - case 9: // ACRL - ret = count & 0x00ff; - break; - } - - if(m_timer.tsr) - { - m_timer.tsr = 0; - m_maincpu->set_input_line(M68HC05EG_INT_TIMER, CLEAR_LINE); - } - return ret; -} - -void lk201_device::timer_w(offs_t offset, uint8_t data) -{ - static uint16_t count; - static int save_tsr; - - m_timer.regs[offset] = data; - - switch (offset) - { - case 4: // OCRH - save_tsr = m_timer.tsr; // prevent crashes in between OCRH / OCRL loads - m_timer.tsr &= (255-TSR_OCFL); // OCFL flag tested for zero in TIMER routine - - count = m_timer.ocrh << 8; // store for later (when LOW is written). - break; - case 5 : // OCRL - count |= m_timer.ocrl; - m_timer.ocrh = count >> 8; - - m_timer.tsr = save_tsr; // restore flags - break; - } -} - -uint8_t lk201_device::ddr_r(offs_t offset) -{ - return ddrs[offset]; -} - -void lk201_device::ddr_w(offs_t offset, uint8_t data) -{ -// printf("%02x to PORT %c DDR (PC=%x)\n", data, 'A' + offset, m_maincpu->pc()); - - uint8_t olddata = ddrs[offset]; - ddrs[offset] = data; - send_port(offset, ports[offset] & olddata); -} - -uint8_t lk201_device::ports_r(offs_t offset) -{ - uint8_t incoming = 0; - - // apply data direction registers - incoming &= (ddrs[offset] ^ 0xff); - // add in ddr-masked version of port writes - incoming |= (ports[offset] & ddrs[offset]); - -// printf("PORT %c read = %02x (DDR = %02x latch = %02x) (PC=%x)\n", 'A' + offset, ports[offset], ddrs[offset], ports[offset], m_maincpu->pc()); - - return incoming; -} - -void lk201_device::ports_w(offs_t offset, uint8_t data) -{ - uint8_t olddata = ports[offset]; - ports[offset] = data; // "port writes are independent of DDRC" - send_port(offset, olddata & ddrs[offset]); -// printf("\nPORT %c write %02x (OLD = %02x) (DDR = %02x) (PC=%x)\n", 'A' + offset, data, olddata, ddrs[offset], m_maincpu->pc()); -} - -void lk201_device::send_port(uint8_t offset, uint8_t olddata) -{ - uint8_t porta = ports[0] & ddrs[0]; - uint8_t portb = ports[1] & ddrs[1]; - uint8_t portc = ports[2] & ddrs[2]; - - switch (offset) - { - case 0: // port A - break; - - case 1: // port B - break; - - case 2: // port C - // Check for keyboard read strobe - if (((portc & 0x40) == 0) && (olddata & 0x40)) - { - if (porta & 0x1) kbd_data = m_kbd[0]->read(); - if (porta & 0x2) kbd_data = m_kbd[1]->read(); - if (porta & 0x4) kbd_data = m_kbd[2]->read(); - if (porta & 0x8) kbd_data = m_kbd[3]->read(); - if (porta & 0x10) kbd_data = m_kbd[4]->read(); - if (porta & 0x20) kbd_data = m_kbd[5]->read(); - if (porta & 0x40) kbd_data = m_kbd[6]->read(); - if (porta & 0x80) kbd_data = m_kbd[7]->read(); - if (portb & 0x1) kbd_data = m_kbd[8]->read(); - if (portb & 0x2) kbd_data = m_kbd[9]->read(); - if (portb & 0x4) kbd_data = m_kbd[10]->read(); - if (portb & 0x8) kbd_data = m_kbd[11]->read(); - if (portb & 0x10) kbd_data = m_kbd[12]->read(); - if (portb & 0x20) kbd_data = m_kbd[13]->read(); - if (portb & 0x40) kbd_data = m_kbd[14]->read(); - if (portb & 0x80) kbd_data = m_kbd[15]->read(); - if (portc & 0x1) kbd_data = m_kbd[16]->read(); - if (portc & 0x2) kbd_data = m_kbd[17]->read(); - } - - // Check for LED update strobe - if (((portc & 0x80) == 0) && (olddata & 0x80)) - { - if(ddrs[2] != 0x00) - { // Lower nibble contains the LED values (1 = on, 0 = off) - m_led_wait = (led_data & 0x1) == 1; - m_led_compose= (led_data & 0x2) == 2; - m_led_lock = (led_data & 0x4) == 4; - m_led_hold = (led_data & 0x8) == 8; - } - if (led_data & 0xf0) - { - m_speaker->set_state(1); - // Beeps < 20 ms are clipped. A key click on a LK201 lasts 2 ms... - if(m_kbd_state == LK_CMD_BELL) - m_beeper->adjust(attotime::from_msec(125)); - else - m_beeper->adjust(attotime::from_msec(25)); // see note - } - // Upper 4 bits of LED_DATA contain encoded volume info - switch (led_data & 0xf0) - { - case 0xf0: // 8 - (see TABLE 4 in 68HC05xx ROM) - m_speaker->set_output_gain(0, 100.0f); - break; - case 0xd0: // 7 - m_speaker->set_output_gain(0, (100 - (12 * 1)) / 100.0f); - break; - case 0xc0: // 6 - m_speaker->set_output_gain(0, (100 - (12 * 2)) / 100.0f); - break; - case 0x60: // 5 - m_speaker->set_output_gain(0, (100 - (12 * 3)) / 100.0f); - break; - case 0xb0: // 4 - m_speaker->set_output_gain(0, (100 - (12 * 4)) / 100.0f); - break; - case 0xa0: // 3 - m_speaker->set_output_gain(0, (100 - (12 * 5)) / 100.0f); - break; - case 0x30: // 2 - m_speaker->set_output_gain(0, (100 - (12 * 6)) / 100.0f); - break; - case 0x90: // 1 - m_speaker->set_output_gain(0, (100 - (12 * 7)) / 100.0f); - break; - default: - ; - } // switch (volume) - - } // if (update_strobe) - - } // outer switch -} - -uint8_t lk201_device::sci_r(offs_t offset) -{ - uint8_t incoming = 0; - - switch (offset) - { - case SCI_BAUD: // Baud rate - break; - - case SCI_SCCR1: // Control 1 - break; - - case SCI_SCCR2: // Control 2 - incoming = sci_ctl2; - break; - - case SCI_SCSR: // Status - incoming = sci_status; - break; - - case SCI_SCDR: // Data - incoming = get_received_char(); - sci_status &= ~SCSR_RDRF; - m_maincpu->set_input_line(M68HC05EG_INT_CPI, 0); - update_interrupts(); - break; - } - -// printf("SCI read @ %x = %02x (PC=%x)\n", offset, incoming, m_maincpu->pc()); - - return incoming; -} - -void lk201_device::sci_w(offs_t offset, uint8_t data) -{ - switch (offset) - { - case SCI_BAUD: // Baud rate - break; - - case SCI_SCCR1: // Control 1 - break; - - case SCI_SCCR2: // Control 2 - sci_ctl2 = data; - update_interrupts(); - break; - - case SCI_SCSR: // Status - break; - - case SCI_SCDR: // Data -// printf("LK201: sending %02x\n", data); - transmit_register_setup(data); - sci_status &= ~(SCSR_TC | SCSR_TDRE); - m_maincpu->set_input_line(M68HC05EG_INT_CPI, 0); - update_interrupts(); - break; - } - -// printf("SCI %02x to %x (PC=%x)\n", data, offset, m_maincpu->pc()); -} - -uint8_t lk201_device::spi_r(offs_t offset) -{ - uint8_t incoming = 0; - - switch (offset) - { - case SPI_SPCR: // Control - break; - - case SPI_SPSR: // Status - incoming = spi_status; - spi_status &= ~SPSR_SPIF; - break; - - case SPI_SPDR: // Data I/O - incoming = spi_data; - break; - } - -// printf("SPI read @ %x = %02x (PC=%x)\n", offset, incoming, m_maincpu->pc()); - - return incoming; -} - -void lk201_device::spi_w(offs_t offset, uint8_t data) -{ - switch (offset) - { - case SPI_SPCR: // Control - break; - - case SPI_SPSR: // Status (read only) - break; - - case SPI_SPDR: // Data I/O - spi_data = data; - - // Transfer only allowed if transfer complete flag has been acknowleged - if ((spi_status & SPSR_SPIF) == 0) - { - // Data out - led_data = data; - - // Data in - spi_data = kbd_data; - - // Indicate transfer complete - spi_status |= SPSR_SPIF; - } - break; - } - -// printf("SPI %02x to %x (PC=%x)\n", data, offset, m_maincpu->pc()); -} |