summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/machine/alfaskop_s41_kb.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/machine/alfaskop_s41_kb.cpp')
-rw-r--r--src/mame/machine/alfaskop_s41_kb.cpp397
1 files changed, 0 insertions, 397 deletions
diff --git a/src/mame/machine/alfaskop_s41_kb.cpp b/src/mame/machine/alfaskop_s41_kb.cpp
deleted file mode 100644
index 733914d636e..00000000000
--- a/src/mame/machine/alfaskop_s41_kb.cpp
+++ /dev/null
@@ -1,397 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders: Joakim Larsson Edström
-/**********************************************************************
-
- Alfaskop 4110 keyboard, emulation of the KeyBoard Unit KBU 4140. which often
- was attached to the numerical Keyboard eXpansion Unit KXE 4141 which is not
- emulated yet. There is also an optional Magnetic Identification Device MID 4131
-
- TTL-level bi-directional serial matrix keyboard
-
- The KBU 4140 keyboard is controlled by a MC6802@3'579'000Hz in combo with a MC6846.
- The key matrix is scanned with the help of two 74LS164 which is also extended to the
- KXE 4141. The columns are read through a 74LS240. There are 8 LEDs which are
- latched by a 74LS374. The I/O port on the MC6846 is connected to a magnet strip
- reader through a MIA interface
-
- The keyboard serial interface line is interpreted and generated by the timer in
- the MC6846 where both TX and Rx shares the same line on the keyboard side. The
- keyboard remains silent until spoken to by the host computer to avoid collisions.
-
- Credits
- -------
- The MC6846 ROM and address decoder ROM were dumped by Dalby Datormuseum whom
- also provided documentation and schematics of the keyboard
-
- https://sites.google.com/site/dalbydatormuseum/home
-
- **********************************************************************/
-
-#include "emu.h"
-#include "alfaskop_s41_kb.h"
-#include "cpu/m6800/m6800.h"
-
-//**************************************************************************
-// CONFIGURABLE LOGGING
-//**************************************************************************
-#define LOG_IRQ (1U << 1)
-#define LOG_RESET (1U << 2)
-#define LOG_BITS (1U << 3)
-#define LOG_UI (1U << 4)
-#define LOG_LEDS (1U << 5)
-#define LOG_ROM (1U << 6)
-#define LOG_ADEC (1U << 7)
-#define LOG_IO (1U << 8)
-
-//#define VERBOSE (LOG_GENERAL|LOG_IO|LOG_IRQ|LOG_LEDS|LOG_BITS|LOG_RESET)
-//#define LOG_OUTPUT_STREAM std::cout
-
-#include "logmacro.h"
-
-#define LOGIRQ(...) LOGMASKED(LOG_IRQ, __VA_ARGS__)
-#define LOGRST(...) LOGMASKED(LOG_RESET, __VA_ARGS__)
-#define LOGBITS(...) LOGMASKED(LOG_BITS, __VA_ARGS__)
-#define LOGUI(...) LOGMASKED(LOG_UI, __VA_ARGS__)
-#define LOGLEDS(...) if (!machine().side_effects_disabled()) LOGMASKED(LOG_LEDS, __VA_ARGS__)
-#define LOGROM(...) if (!machine().side_effects_disabled()) LOGMASKED(LOG_ROM, __VA_ARGS__)
-#define LOGADEC(...) if (!machine().side_effects_disabled()) LOGMASKED(LOG_ADEC, __VA_ARGS__)
-#define LOGIO(...) if (!machine().side_effects_disabled()) LOGMASKED(LOG_IO, __VA_ARGS__)
-
-//**************************************************************************
-// MACROS / CONSTANTS
-//**************************************************************************
-
-#define M6800_TAG "mcu"
-
-namespace {
-
-INPUT_PORTS_START(alfaskop_s41_kb)
- PORT_START("P15")
- PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("KP 6") PORT_CODE(KEYCODE_6_PAD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR('6') PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) // 77
- PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("KP +") PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR('+') // 78
- PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("KP 5") PORT_CODE(KEYCODE_5_PAD) PORT_CHAR('5') // 76
- PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("* PRINT") PORT_CODE(KEYCODE_TILDE) PORT_CHAR('*') PORT_CHAR(UCHAR_MAMEKEY(PRTSCR)) // 55
- PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("R Shift") PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) // 54
- PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') // 53
- PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(". :") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR(':') // 52
- PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F5") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) // 63
- PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F6") PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6)) // 64
- PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_UNUSED ) // no scancode is sent
- PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) // 29
- PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME(", ;") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR(';') // 51
- PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d') // 32
- PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x') // 45
- PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c') // 46
- PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j') // 36
-
- PORT_START("P14")
- PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_UNUSED ) // 00 - keyboard error
- PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("BREAK") PORT_CODE(KEYCODE_PAUSE) PORT_CHAR(UCHAR_MAMEKEY(PAUSE)) // 70
- PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("KP 7") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR('7') PORT_CHAR(UCHAR_MAMEKEY(HOME)) // 71
- PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_UNUSED ) // ff - keyboard error
- PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('^') PORT_CHAR('~') PORT_CHAR(']') // 27
- PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR(0x00e5) PORT_CHAR(0x00c5) PORT_CHAR('[') // 26 å Å
- PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p') // 25
- PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F1") PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) // 59
- PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F2") PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) // 60
- PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') // 17
- PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') // 18
- PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') // 24
- PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') // 19
- PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') // 20
- PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') // 21
- PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') // 23
-
- PORT_START("P13")
- PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_NUMLOCK) PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK)) // 69
- PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_UNUSED ) // ff - keyboard error
- PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("BS DEL") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_CHAR(UCHAR_MAMEKEY(DEL)) // 14
- PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+') // 13
- PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_') // 12
- PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') // 11
- PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') // 10
- PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') // 02
- PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ESC") PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) // 01
- PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@') // 03
- PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') // 04
- PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*') // 09
- PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') // 05
- PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') // 06
- PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('^') // 07
- PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&') // 08
-
- PORT_START("P12")
- PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("KP 9") PORT_CODE(KEYCODE_9_PAD) PORT_CHAR('9') PORT_CHAR(UCHAR_MAMEKEY(PGUP)) // 73
- PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("KP -") PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) // 74
- PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("KP 8") PORT_CODE(KEYCODE_8_PAD) PORT_CODE(KEYCODE_UP) PORT_CHAR('8') PORT_CHAR(UCHAR_MAMEKEY(UP)) // 72
- PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('`') PORT_CHAR('~') // 41
- PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"') // 40
- PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') // 39
- PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') // 38
- PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F3") PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) // 61
- PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F4") PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) // 62
- PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') // 16
- PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("TAB") PORT_CODE(KEYCODE_TAB) PORT_CHAR(9) // 15
- PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') // 37
- PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') // 33
- PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G') // 34
- PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') // 35
- PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') // 22
-
- PORT_START("P11")
- PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(COMMA_PAD)) // 83
- PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RETURN") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) // 28
- PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("KP 0") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR('0') PORT_CHAR(UCHAR_MAMEKEY(INSERT)) // 82
- PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_UNUSED ) // 89 - no key
- PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_UNUSED ) // 86 - no key
- PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_UNUSED ) // 87 - no key
- PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_UNUSED ) // 88 - no key
- PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F9") PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9)) // 67
- PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F10") PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10)) // 68
- PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_UNUSED ) // scan code ff - keyboard error
- PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') // 43
- PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CAPS LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) // 58
- PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("SHIFT LOCK") PORT_CODE(KEYCODE_LALT) // 56
- PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_UNUSED ) // 85 - no key
- PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') // 47
- PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') // 57
-
- PORT_START("P10")
- PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("KP 3") PORT_CODE(KEYCODE_3_PAD) PORT_CODE(KEYCODE_PGDN) // 81
- PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_UNUSED ) // ff - keyboard error
- PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("KP 2") PORT_CODE(KEYCODE_2_PAD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) // 80
- PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("NEW LINE") PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) // 84 (programmable, default is 28)
- PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("KP 1") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) // 79
- PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("KP 4") PORT_CODE(KEYCODE_4_PAD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR('4') PORT_CHAR(UCHAR_MAMEKEY(LEFT)) // 75
- PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_UNUSED ) // ff - keyboard error
- PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F7") PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7)) // 65
- PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("F8") PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8)) // 66
- PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) // 42
- PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') // 44
- PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') // 50
- PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') // 30
- PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') // 31
- PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') // 48
- PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') // 49
-INPUT_PORTS_END
-
-
-//-------------------------------------------------
-// ROM( alfaskop_s41_kb )
-//-------------------------------------------------
-
-ROM_START( alfaskop_s41_kb )
- ROM_REGION( 0x800, M6800_TAG, 0 )
- ROM_LOAD( "kbc_e34066_0000_ic3.bin", 0x000, 0x800, CRC(a1232241) SHA1(45d1b038bfbd04e1b7e3718a27202280c5257989) )
- ROM_REGION( 0x20, "ad_rom", 0 ) // Address decoder
- ROM_LOAD( "kbc_e34066_0000_ic4_e3405970280400.bin", 0x00, 0x20, CRC(f26acca3) SHA1(ac8c607d50bb588c1da4ad1602665c785ebd29b3) )
-ROM_END
-
-} // anonymous namespace
-
-//**************************************************************************
-// DEVICE DEFINITIONS
-//**************************************************************************
-
-DEFINE_DEVICE_TYPE(ALFASKOP_S41_KB, alfaskop_s41_keyboard_device, "alfaskop_s41_kb", "Alfaskop 4110 keyboard")
-
-//**************************************************************************
-// LIVE DEVICE
-//**************************************************************************
-
-//-------------------------------------------------
-// alfaskop_s41_keyboard_device - constructor
-//-------------------------------------------------
-
-alfaskop_s41_keyboard_device::alfaskop_s41_keyboard_device(
- machine_config const &mconfig,
- char const *tag,
- device_t *owner,
- uint32_t clock)
- : device_t(mconfig, ALFASKOP_S41_KB, tag, owner, clock)
- , m_mcu(*this, M6800_TAG)
- , m_mc6846(*this, "mc6846")
- , m_rows(*this, "P1%u", 0)
- , m_txd_cb(*this)
- , m_leds_cb(*this)
- , m_rxd_high(true)
- , m_txd_high(true)
- , m_hold(true)
- , m_col_select(0)
- , m_p1(0)
- , m_leds(0)
-{
-}
-
-WRITE_LINE_MEMBER(alfaskop_s41_keyboard_device::rxd_w)
-{
- LOGBITS("KBD bit presented: %d\n", state);
- //m_rxd_high = CLEAR_LINE != state;
-}
-
-// WRITE_LINE_MEMBER(alfaskop_s41_keyboard_device::hold_w)
-// {
-// m_hold = CLEAR_LINE == state;
-// }
-
-WRITE_LINE_MEMBER(alfaskop_s41_keyboard_device::rst_line_w)
-{
- if (state == CLEAR_LINE)
- {
- m_mcu->set_input_line(INPUT_LINE_RESET, CLEAR_LINE);
- LOGRST("KBD: Keyboard mcu reset line is cleared\n");
- }
- else
- {
- m_mcu->set_input_line(INPUT_LINE_RESET, ASSERT_LINE);
- LOGRST("KBD: Keyboard mcu reset line is asserted\n");
- }
-}
-
-//-------------------------------------------------
-// device_start - device specific startup
-//-------------------------------------------------
-
-void alfaskop_s41_keyboard_device::device_start()
-{
- m_txd_cb.resolve_safe();
- m_leds_cb.resolve_safe();
-
- save_item(NAME(m_rxd_high));
- save_item(NAME(m_txd_high));
- save_item(NAME(m_col_select));
-
- m_rxd_high = true;
- m_txd_high = true;
- m_col_select = 0;
-}
-
-
-
-//-------------------------------------------------
-// device_add_mconfig - add device configuration
-//-------------------------------------------------
-
-void alfaskop_s41_keyboard_device::device_add_mconfig(machine_config &config)
-{
- M6802(config, m_mcu, XTAL(3'579'545)); // Crystal verified from schematics
- m_mcu->set_addrmap(AS_PROGRAM, &alfaskop_s41_keyboard_device::alfaskop_s41_kb_mem);
-
- MC6846(config, m_mc6846, XTAL(3'579'545) / 4); // Driven by E from 6802 == XTAL / 4
- m_mc6846->irq().set([this](bool state)
- {
- LOGIRQ(" [timer IRQ: %s] ", state == ASSERT_LINE ? "asserted" : "cleared");
- m_mcu->set_input_line(M6802_IRQ_LINE, state);
- });
- m_mc6846->cp2().set([this](bool state){ LOG("CP2:%d\n", state); });
- // MIA ID interrupt: m_mc6846->set_input_cp1(1);
- m_mc6846->cto().set([this](bool state){ LOG("CTO:%d\n", state); }); // Not connected to anything
-}
-
-//-------------------------------------------------
-// input_ports - device-specific input ports
-//-------------------------------------------------
-
-ioport_constructor alfaskop_s41_keyboard_device::device_input_ports() const
-{
- return INPUT_PORTS_NAME( alfaskop_s41_kb );
-}
-
-//-------------------------------------------------
-// ADDRESS_MAP( alfaskop_s41_kb_mem )
-//-------------------------------------------------
-
-void alfaskop_s41_keyboard_device::alfaskop_s41_kb_mem(address_map &map)
-{
- map(0x0000, 0x007f).ram(); // Internal RAM
- /* A 32 byte decoder ROM connects A0-A4 to A11, A12, A13, A15 and to an external port pin, A14 is not decoded!
- * c3 c3 c3 c3 c3 c3 c3 c3 c3 c3 c3 c3 c3 c3 c3 c3 - if external port pin is low
- * c3 c3 c3 c3 c5 c6 cb c3 d3 c3 c3 c3 c3 c3 43 f3 - if external port pin is high - normal operation
- *
- * Decoder rom byte bits as follows
- * 0 - 0x01 Start scanning
- * 1 - 0x02 read col
- * 2 - 0x04 shift col clock
- * 3 - 0x08 set lamp data
- * 4 - 0x10 CS1 mc6846 I/O access - active low
- * 5 - 0x20 CS0 mc6846 ROM access - active high
- * 6 - 0x40 n/c?
- * 7 - 0x80 to KBX
- *
- * F3 <- 0x0f <- 1-11 1 == b800-bfff, f800-ffff // 1111 0011 MC6846 Internal ROM access (CS0 - active high)
- * 43 <- 0x0e <- 1-11 0 == b000-b7ff, f000-f7ff // 0100 0011
- * c3 <- 0x0d <- 1-10 1 == a800-afff, e800-efff // 1100 0011
- * c3 <- 0x0c <- 1-10 0 == a000-a7ff, e000-e7ff // 1100 0011
- * c3 <- 0x0b <- 1-01 1 == 9800-9fff, d800-dfff // 1100 0011
- * c3 <- 0x0a <- 1-01 0 == 9000-97ff, d000-d7ff // 1100 0011
- * c3 <- 0x09 <- 1-00 1 == 8800-8fff, c800-cfff // 1100 0011
- * d3 <- 0x08 <- 1-00 0 == 8000-87ff, c000-c7ff // 1101 0011 MC6846 Internal I/O access (CS1 - active high)
-
- * c3 <- 0x07 <- 0-11 1 == 3800-3fff, 7800-7fff // 1100 0011
- * cb <- 0x06 <- 0-11 0 == 3000-37ff, 7000-77ff // 1100 1011 Set lamp data
- * c6 <- 0x05 <- 0-10 1 == 2800-2fff, 6800-6fff // 1100 0110 start scan
- * c5 <- 0x04 <- 0-10 0 == 2000-27ff, 6000-67ff // 1100 0101 read col
- * c3 <- 0x03 <- 0-01 1 == 1800-1fff, 5800-5fff // 1100 0011
- * c3 <- 0x02 <- 0-01 0 == 1000-17ff, 5000-57ff // 1100 0011
- * c3 <- 0x01 <- 0-00 1 == 0800-0fff, 4800-4fff // 1100 0011
- * c3 <- 0x00 <- 0-00 0 == 0000-07ff, 4000-47ff // 1100 0011
- */
- map(0x0080, 0xffff).lrw8(NAME([this](address_space &space, offs_t offset) -> uint8_t
- {
- uint16_t addr = offset + 0x80;
- uint8_t index = 0x10 | ((((addr & 0x8000) | ((addr & 0x3800) << 1)) >> 12) & 0x000f); // 0x10 | (((A15 | A13 | A12 | A11) >> 12)
- uint8_t ret = 0;
- LOGADEC("address_r %04x -> index %02x: %02x\n", offset + 0x80, index, memregion("ad_rom")->base ()[index]);
- switch (memregion("ad_rom")->base ()[index])
- {
- case 0xf3:
- ret = memregion(M6800_TAG)->base ()[addr & 0x07ff];
- LOGROM(" - ROM %04x: %02x\n", addr & 0x7ff, ret);
- break;
- case 0xd3:
- LOGIO(" - I/O read mc6846 %04x", addr & 0x07);
- ret = m_mc6846->read(space, (offs_t)(addr & 0x07));
- LOGIO(": %02x\n", ret);
- break;
- case 0xc3:
- break; // Idle
- default:
- logerror(" - unmapped read access at %04x through %02x\n", addr, memregion("ad_rom")->base ()[index]);
- }
- return ret;
- }),
- NAME( [this](address_space &space, offs_t offset, uint8_t data)
- {
- uint16_t addr = offset + 0x80;
- uint8_t index = 0x10 | ((((addr & 0x8000) | ((addr & 0x3800) << 1)) >> 12) & 0x000f); // 0x10 | (((A15 | A13 | A12 | A11) >> 12)
- LOGADEC("address_w %04x -> index %02x: %02x\n", offset + 0x80, index, memregion("ad_rom")->base ()[index]);
- switch (memregion("ad_rom")->base ()[index])
- {
- case 0xd3:
- LOGIO(" - I/O write mc6846 %04x, %02x\n", addr & 0x07, data);
- m_mc6846->write(space, (offs_t)(addr & 0x07), data);
- break;
- case 0xcb: // Leds
- if (m_leds != data)
- {
- m_leds_cb(data); m_leds = data;
- LOGLEDS(" - I/O write LEDs %04x, %02x\n", addr, data);
- }
- break;
- case 0xc3:
- break; // Idle
- default:
- logerror(" - unmapped write access at %04x, %02x through %02x\n", addr, data, memregion("ad_rom")->base ()[index]);
- }
- }));
- // map(0xf800, 0xffff).rom().region(M6800_TAG,0);
-}
-
-//-------------------------------------------------
-// rom_region - device-specific ROM region
-//-------------------------------------------------
-
-const tiny_rom_entry *alfaskop_s41_keyboard_device::device_rom_region() const
-{
- return ROM_NAME( alfaskop_s41_kb );
-}