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apricot: add initial keyboard support

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This commit is contained in:
Dirk Best 2015-06-09 17:00:22 +02:00
parent 9880a75bbd
commit faa977641a
4 changed files with 397 additions and 20 deletions
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1
scripts/target/mame/mess.lua
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@ -1021,6 +1021,7 @@ files {
MAME_DIR .. "src/mess/drivers/apricotf.c",
MAME_DIR .. "src/mess/drivers/apricotp.c",
MAME_DIR .. "src/mess/machine/apricotkb.c",
MAME_DIR .. "src/mess/machine/apricotkb_hle.c",
MAME_DIR .. "src/mess/drivers/victor9k.c",
MAME_DIR .. "src/mess/machine/victor9kb.c",
MAME_DIR .. "src/mess/machine/victor9k_fdc.c",

57
src/mess/drivers/apricot.c
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@ -19,6 +19,7 @@
#include "machine/wd_fdc.h"
#include "video/mc6845.h"
#include "sound/sn76496.h"
#include "machine/apricotkb_hle.h"
#include "imagedev/flopdrv.h"
#include "formats/apridisk.h"
#include "bus/centronics/ctronics.h"
@ -58,11 +59,12 @@ public:
m_display_enabled(0),
m_centronics_fault(1),
m_centronics_perror(1),
m_sio_irq(0)
m_bus_locked(0)
{ }
DECLARE_FLOPPY_FORMATS(floppy_formats);
DECLARE_WRITE_LINE_MEMBER(i8086_lock_w);
DECLARE_WRITE8_MEMBER(i8089_ca1_w);
DECLARE_WRITE8_MEMBER(i8089_ca2_w);
DECLARE_WRITE8_MEMBER(i8255_portb_w);
@ -71,8 +73,8 @@ public:
DECLARE_WRITE_LINE_MEMBER(timer_out1);
DECLARE_WRITE_LINE_MEMBER(timer_out2);
DECLARE_WRITE_LINE_MEMBER(fdc_intrq_w);
DECLARE_WRITE_LINE_MEMBER(sio_int_w);
IRQ_CALLBACK_MEMBER(irq_callback);
DECLARE_READ8_MEMBER(sio_ca_r);
DECLARE_READ8_MEMBER(sio_cb_r);
DECLARE_WRITE_LINE_MEMBER(write_centronics_fault);
DECLARE_WRITE_LINE_MEMBER(write_centronics_perror);
@ -117,7 +119,7 @@ private:
int m_centronics_fault;
int m_centronics_perror;
int m_sio_irq;
int m_bus_locked;
};
@ -220,10 +222,20 @@ WRITE_LINE_MEMBER( apricot_state::timer_out2 )
}
}
WRITE_LINE_MEMBER( apricot_state::sio_int_w )
READ8_MEMBER( apricot_state::sio_ca_r )
{
m_sio_irq = state;
m_pic->ir5_w(state);
if (m_bus_locked)
return m_sio->m1_r();
return m_sio->ca_r(space, offset);
}
READ8_MEMBER( apricot_state::sio_cb_r )
{
if (m_bus_locked)
return m_sio->m1_r();
return m_sio->cb_r(space, offset);
}
@ -305,13 +317,9 @@ void apricot_state::machine_start()
membank("ram")->set_base(m_ram->pointer());
}
IRQ_CALLBACK_MEMBER( apricot_state::irq_callback )
WRITE_LINE_MEMBER( apricot_state::i8086_lock_w )
{
// i86 lock is connected to the sio m1 input, simulate this
if (m_sio_irq)
m_sio->m1_r();
return m_pic->acknowledge();
m_bus_locked = state;
}
@ -331,7 +339,10 @@ static ADDRESS_MAP_START( apricot_io, AS_IO, 16, apricot_state )
AM_RANGE(0x48, 0x4f) AM_DEVREADWRITE8("ic17", i8255_device, read, write, 0x00ff)
AM_RANGE(0x50, 0x51) AM_MIRROR(0x06) AM_DEVWRITE8("ic7", sn76489_device, write, 0x00ff)
AM_RANGE(0x58, 0x5f) AM_DEVREADWRITE8("ic16", pit8253_device, read, write, 0x00ff)
AM_RANGE(0x60, 0x67) AM_DEVREADWRITE8("ic15", z80sio0_device, ba_cd_r, ba_cd_w, 0x00ff)
AM_RANGE(0x60, 0x61) AM_DEVREADWRITE8("ic15", z80sio0_device, da_r, da_w, 0x00ff)
AM_RANGE(0x62, 0x63) AM_READ8(sio_ca_r, 0x00ff) AM_DEVWRITE8("ic15", z80sio0_device, ca_w, 0x00ff)
AM_RANGE(0x64, 0x65) AM_DEVREADWRITE8("ic15", z80sio0_device, db_r, db_w, 0x00ff)
AM_RANGE(0x66, 0x67) AM_READ8(sio_cb_r, 0x00ff) AM_DEVWRITE8("ic15", z80sio0_device, cb_w, 0x00ff)
AM_RANGE(0x68, 0x69) AM_MIRROR(0x04) AM_DEVWRITE8("ic30", mc6845_device, address_w, 0x00ff)
AM_RANGE(0x6a, 0x6b) AM_MIRROR(0x04) AM_DEVREADWRITE8("ic30", mc6845_device, register_r, register_w, 0x00ff)
AM_RANGE(0x70, 0x71) AM_MIRROR(0x04) AM_WRITE8(i8089_ca1_w, 0x00ff)
@ -349,7 +360,8 @@ static MACHINE_CONFIG_START( apricot, apricot_state )
MCFG_CPU_ADD("ic91", I8086, XTAL_15MHz / 3)
MCFG_CPU_PROGRAM_MAP(apricot_mem)
MCFG_CPU_IO_MAP(apricot_io)
MCFG_CPU_IRQ_ACKNOWLEDGE_DRIVER(apricot_state, irq_callback)
MCFG_CPU_IRQ_ACKNOWLEDGE_DEVICE("ic31", pic8259_device, inta_cb)
MCFG_I8086_LOCK_HANDLER(WRITELINE(apricot_state, i8086_lock_w))
// i/o cpu
MCFG_CPU_ADD("ic71", I8089, XTAL_15MHz / 3)
@ -406,18 +418,23 @@ static MACHINE_CONFIG_START( apricot, apricot_state )
MCFG_Z80DART_OUT_DTRA_CB(DEVWRITELINE("rs232", rs232_port_device, write_dtr))
MCFG_Z80DART_OUT_RTSA_CB(DEVWRITELINE("rs232", rs232_port_device, write_rts))
MCFG_Z80DART_OUT_WRDYA_CB(DEVWRITELINE("ic71", i8089_device, drq2_w))
MCFG_Z80DART_OUT_TXDB_CB(DEVWRITELINE("keyboard", apricot_keyboard_hle_device, rxd_w))
MCFG_Z80DART_OUT_DTRB_CB(WRITELINE(apricot_state, data_selector_dtr_w))
MCFG_Z80DART_OUT_RTSB_CB(WRITELINE(apricot_state, data_selector_rts_w))
MCFG_Z80DART_OUT_INT_CB(WRITELINE(apricot_state, sio_int_w))
MCFG_Z80DART_OUT_INT_CB(DEVWRITELINE("ic31", pic8259_device, ir5_w))
// rs232 port
MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, NULL)
// note: missing a receive clock callback to support external clock mode
// (m_data_selector_rts == 1 and m_data_selector_dtr == 0)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE("ic15", z80dart_device, rxa_w))
MCFG_RS232_DCD_HANDLER(DEVWRITELINE("ic15", z80dart_device, dcda_w))
MCFG_RS232_DSR_HANDLER(DEVWRITELINE("ic15", z80dart_device, synca_w))
MCFG_RS232_CTS_HANDLER(DEVWRITELINE("ic15", z80dart_device, ctsa_w))
MCFG_RS232_RXD_HANDLER(DEVWRITELINE("ic15", z80sio0_device, rxa_w))
MCFG_RS232_DCD_HANDLER(DEVWRITELINE("ic15", z80sio0_device, dcda_w))
MCFG_RS232_DSR_HANDLER(DEVWRITELINE("ic15", z80sio0_device, synca_w))
MCFG_RS232_CTS_HANDLER(DEVWRITELINE("ic15", z80sio0_device, ctsa_w))
// keyboard (hle)
MCFG_APRICOT_KEYBOARD_ADD("keyboard")
MCFG_APRICOT_KEYBOARD_TXD_HANDLER(DEVWRITELINE("ic15", z80sio0_device, rxb_w))
// centronics printer
MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer")

286
src/mess/machine/apricotkb_hle.c Normal file
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@ -0,0 +1,286 @@
// license:GPL-2.0+
// copyright-holders:Dirk Best
/***************************************************************************
ACT Apricot Keyboard (HLE)
Keyboard to System:
- 01-60: Key make codes
- 70-7f: Mouse codes
- 80: RAM test failed
- 81-e0: Key break codes
- e9: ROM test failed
- ea: X-on (keyboard ready to receive)
- eb: X-off (keyboard buffer full)
- ec: Reset request
- ed: Time prefix
- ee: Date prefix
- ef: Mouse header
- f0-f9: BCD data
- fa: Invalid clock data
- fb: Acknowledge firmware version/reset
System to keyboard:
- 01-7f: Character codes for MicroScreen
- 80-cf: Cursor address
- d0: Clear screen
- d1: Cursor left
- d2: Cursor right
- d3: Cursor on
- d4: Cursor off
- d5: Display on
- d6: Display off
- e0: Query
- e1: Time and date request
- e2: Display time/data on MicroScreen
- e3: Set LED prefix
- e4: Set time and date
- e5: Mouse enable
- e6: Mouse disable
- e7: Execute processor diagnostics
- e8: Keyboard reset
- f0-f9: BCD data
- fa: Invalid clock data
***************************************************************************/
#include "apricotkb_hle.h"
//**************************************************************************
// CONSTANTS / MACROS
//**************************************************************************
#define APRICOT_KEY(_key, _index) \
PORT_BIT(1 << _key, IP_ACTIVE_HIGH, IPT_KEYBOARD) \
PORT_CHANGED_MEMBER(DEVICE_SELF, apricot_keyboard_hle_device, key_callback, (void *) _index)
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
const device_type APRICOT_KEYBOARD_HLE = &device_creator<apricot_keyboard_hle_device>;
//-------------------------------------------------
// input_ports - device-specific input ports
//-------------------------------------------------
static INPUT_PORTS_START( keyboard )
PORT_START("keyboard_0")
PORT_BIT(1 << 0, IP_ACTIVE_HIGH, IPT_UNUSED)
APRICOT_KEY( 1, 0) PORT_CODE(KEYCODE_F7) PORT_CHAR(UCHAR_MAMEKEY(F7)) PORT_NAME("Help")
APRICOT_KEY( 2, 0) PORT_CODE(KEYCODE_F8) PORT_CHAR(UCHAR_MAMEKEY(F8)) PORT_NAME("Undo")
APRICOT_KEY( 3, 0) PORT_CODE(KEYCODE_F9) PORT_CHAR(UCHAR_MAMEKEY(F9)) PORT_NAME("Repeat")
APRICOT_KEY( 4, 0) PORT_CODE(KEYCODE_F10) PORT_CHAR(UCHAR_MAMEKEY(F10)) PORT_NAME("Calc")
APRICOT_KEY( 5, 0) PORT_CODE(KEYCODE_PRTSCR) PORT_CHAR(UCHAR_MAMEKEY(PRTSCR)) PORT_NAME("Print")
APRICOT_KEY( 6, 0) PORT_CODE(KEYCODE_CANCEL) PORT_CHAR(UCHAR_MAMEKEY(CANCEL)) PORT_NAME("Intr")
APRICOT_KEY( 7, 0) PORT_CODE(KEYCODE_F11) PORT_CHAR(UCHAR_MAMEKEY(F11)) PORT_NAME("Menu")
APRICOT_KEY( 8, 0) PORT_CODE(KEYCODE_F12) PORT_CHAR(UCHAR_MAMEKEY(F12)) PORT_NAME("Finish")
APRICOT_KEY( 9, 0) PORT_CODE(KEYCODE_F1) PORT_CHAR(UCHAR_MAMEKEY(F1)) PORT_NAME("Function 1")
APRICOT_KEY(10, 0) PORT_CODE(KEYCODE_F2) PORT_CHAR(UCHAR_MAMEKEY(F2)) PORT_NAME("Function 2")
APRICOT_KEY(11, 0) PORT_CODE(KEYCODE_F3) PORT_CHAR(UCHAR_MAMEKEY(F3)) PORT_NAME("Function 3")
APRICOT_KEY(12, 0) PORT_CODE(KEYCODE_F4) PORT_CHAR(UCHAR_MAMEKEY(F4)) PORT_NAME("Function 4")
APRICOT_KEY(13, 0) PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_NAME("Function 5")
APRICOT_KEY(14, 0) PORT_CODE(KEYCODE_F6) PORT_CHAR(UCHAR_MAMEKEY(F6)) PORT_NAME("Function 6")
APRICOT_KEY(15, 0) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('^')
APRICOT_KEY(16, 0) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
APRICOT_KEY(17, 0) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('@')
APRICOT_KEY(18, 0) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
APRICOT_KEY(19, 0) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR(0xa3) // pound
APRICOT_KEY(20, 0) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
APRICOT_KEY(21, 0) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('$')
APRICOT_KEY(22, 0) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('&')
APRICOT_KEY(23, 0) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('*')
APRICOT_KEY(24, 0) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(')
APRICOT_KEY(25, 0) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')')
APRICOT_KEY(26, 0) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('_')
APRICOT_KEY(27, 0) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHAR('+')
APRICOT_KEY(28, 0) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(9)
PORT_BIT(1 << 29, IP_ACTIVE_HIGH, IPT_UNUSED) // actually a dedicated % key
APRICOT_KEY(30, 0) PORT_CODE(KEYCODE_ASTERISK) PORT_CHAR(UCHAR_MAMEKEY(ASTERISK))
APRICOT_KEY(31, 0) PORT_CODE(KEYCODE_SLASH_PAD) PORT_CHAR(UCHAR_MAMEKEY(SLASH_PAD))
PORT_START("keyboard_1")
APRICOT_KEY( 0, 1) PORT_CODE(KEYCODE_MINUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD))
APRICOT_KEY( 1, 1) PORT_CODE(KEYCODE_PLUS_PAD) PORT_CHAR(UCHAR_MAMEKEY(PLUS_PAD))
APRICOT_KEY( 2, 1) PORT_CODE(KEYCODE_TAB) PORT_CHAR(9)
APRICOT_KEY( 3, 1) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
APRICOT_KEY( 4, 1) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
APRICOT_KEY( 5, 1) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
APRICOT_KEY( 6, 1) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
APRICOT_KEY( 7, 1) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
APRICOT_KEY( 8, 1) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
APRICOT_KEY( 9, 1) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
APRICOT_KEY(10, 1) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
APRICOT_KEY(11, 1) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
APRICOT_KEY(12, 1) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
APRICOT_KEY(13, 1) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{')
APRICOT_KEY(14, 1) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}')
APRICOT_KEY(15, 1) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME))
APRICOT_KEY(16, 1) PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END)) PORT_NAME("Clear")
APRICOT_KEY(17, 1) PORT_CODE(KEYCODE_7_PAD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD))
APRICOT_KEY(18, 1) PORT_CODE(KEYCODE_8_PAD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD))
APRICOT_KEY(19, 1) PORT_CODE(KEYCODE_9_PAD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD))
APRICOT_KEY(20, 1) PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
APRICOT_KEY(21, 1) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
APRICOT_KEY(22, 1) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
APRICOT_KEY(23, 1) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
APRICOT_KEY(24, 1) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
APRICOT_KEY(25, 1) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
APRICOT_KEY(26, 1) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
APRICOT_KEY(27, 1) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
APRICOT_KEY(28, 1) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
APRICOT_KEY(29, 1) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
APRICOT_KEY(30, 1) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':')
APRICOT_KEY(31, 1) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('\'') PORT_CHAR('"')
PORT_START("keyboard_2")
APRICOT_KEY( 0, 2) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
APRICOT_KEY( 1, 2) PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT))
APRICOT_KEY( 2, 2) PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL))
APRICOT_KEY( 3, 2) PORT_CODE(KEYCODE_4_PAD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD))
APRICOT_KEY( 4, 2) PORT_CODE(KEYCODE_5_PAD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD))
APRICOT_KEY( 5, 2) PORT_CODE(KEYCODE_6_PAD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD))
APRICOT_KEY( 6, 2) PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
APRICOT_KEY( 7, 2) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
APRICOT_KEY( 8, 2) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
APRICOT_KEY( 9, 2) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
APRICOT_KEY(10, 2) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
APRICOT_KEY(11, 2) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
APRICOT_KEY(12, 2) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
APRICOT_KEY(13, 2) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
APRICOT_KEY(14, 2) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
APRICOT_KEY(15, 2) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
APRICOT_KEY(16, 2) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
APRICOT_KEY(17, 2) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
APRICOT_KEY(18, 2) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
APRICOT_KEY(19, 2) PORT_CODE(KEYCODE_SCRLOCK) PORT_CHAR(UCHAR_MAMEKEY(SCRLOCK))
APRICOT_KEY(20, 2) PORT_CODE(KEYCODE_1_PAD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD))
APRICOT_KEY(21, 2) PORT_CODE(KEYCODE_2_PAD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD))
APRICOT_KEY(22, 2) PORT_CODE(KEYCODE_3_PAD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD))
APRICOT_KEY(23, 2) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC))
APRICOT_KEY(24, 2) PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2)
APRICOT_KEY(25, 2) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
APRICOT_KEY(26, 2) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(PAUSE)) PORT_NAME("Stop")
APRICOT_KEY(27, 2) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT))
APRICOT_KEY(28, 2) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN))
APRICOT_KEY(29, 2) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT))
APRICOT_KEY(30, 2) PORT_CODE(KEYCODE_0_PAD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD))
APRICOT_KEY(31, 2) PORT_CODE(KEYCODE_DEL_PAD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD))
PORT_START("keyboard_3")
APRICOT_KEY( 0, 3) PORT_CODE(KEYCODE_ENTER_PAD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD))
INPUT_PORTS_END
ioport_constructor apricot_keyboard_hle_device::device_input_ports() const
{
return INPUT_PORTS_NAME( keyboard );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// apricot_keyboard_hle_device - constructor
//-------------------------------------------------
apricot_keyboard_hle_device::apricot_keyboard_hle_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
device_t(mconfig, APRICOT_KEYBOARD_HLE, "Apricot Keyboard (HLE)", tag, owner, clock, "apricotkb_hle", __FILE__),
device_serial_interface(mconfig, *this),
m_txd_handler(*this),
m_rxd(1),
m_data_in(0),
m_data_out(0)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void apricot_keyboard_hle_device::device_start()
{
// resolve callbacks
m_txd_handler.resolve_safe();
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void apricot_keyboard_hle_device::device_reset()
{
receive_register_reset();
transmit_register_reset();
set_data_frame(1, 8, PARITY_NONE, STOP_BITS_1);
set_rcv_rate(7800);
set_tra_rate(7800);
}
//-------------------------------------------------
// device_timer - device-specific timer
//-------------------------------------------------
void apricot_keyboard_hle_device::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
{
device_serial_interface::device_timer(timer, id, param, ptr);
}
void apricot_keyboard_hle_device::tra_callback()
{
m_txd_handler(transmit_register_get_data_bit());
}
void apricot_keyboard_hle_device::tra_complete()
{
if (m_data_out != 0)
{
transmit_register_setup(m_data_out);
m_data_out = 0;
}
}
void apricot_keyboard_hle_device::rcv_callback()
{
receive_register_update_bit(m_rxd);
}
void apricot_keyboard_hle_device::rcv_complete()
{
receive_register_extract();
m_data_in = get_received_char();
// reset command? send keyboard ready
if (m_data_in == 0xe8)
transmit_register_setup(0xfb);
}
WRITE_LINE_MEMBER( apricot_keyboard_hle_device::rxd_w )
{
m_rxd = state;
device_serial_interface::rx_w(m_rxd);
}
INPUT_CHANGED_MEMBER( apricot_keyboard_hle_device::key_callback )
{
UINT32 oldvalue = oldval * field.mask(), newvalue = newval * field.mask();
UINT32 delta = oldvalue ^ newvalue;
for (int i = 0; i < 32; i++)
{
if (delta & (1 << i))
{
UINT8 down = (newvalue & (1 << i)) ? 0x00 : 0x80;
UINT8 scancode = (FPTR) param * 32 + i;
scancode |= down;
transmit_register_setup(scancode);
break;
}
}
}

73
src/mess/machine/apricotkb_hle.h Normal file
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@ -0,0 +1,73 @@
// license:GPL-2.0+
// copyright-holders:Dirk Best
/***************************************************************************
ACT Apricot Keyboard (HLE)
***************************************************************************/
#pragma once
#ifndef __APRICOTKB_HLE__
#define __APRICOTKB_HLE__
#include "emu.h"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_APRICOT_KEYBOARD_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, APRICOT_KEYBOARD_HLE, 0)
#define MCFG_APRICOT_KEYBOARD_TXD_HANDLER(_write) \
devcb = &apricot_keyboard_hle_device::set_txd_handler(*device, DEVCB_##_write);
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> apricot_keyboard_hle_device
class apricot_keyboard_hle_device : public device_t, public device_serial_interface
{
public:
// construction/destruction
apricot_keyboard_hle_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
template<class _Object> static devcb_base &set_txd_handler(device_t &device, _Object object)
{ return downcast<apricot_keyboard_hle_device &>(device).m_txd_handler.set_callback(object); }
DECLARE_WRITE_LINE_MEMBER(rxd_w);
DECLARE_INPUT_CHANGED_MEMBER(key_callback);
protected:
// device_t overrides
virtual ioport_constructor device_input_ports() const;
virtual void device_start();
virtual void device_reset();
// device_serial_interface overrides
virtual void tra_callback();
virtual void tra_complete();
virtual void rcv_callback();
virtual void rcv_complete();
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
private:
devcb_write_line m_txd_handler;
int m_rxd;
UINT8 m_data_in;
UINT8 m_data_out;
};
// device type definition
extern const device_type APRICOT_KEYBOARD_HLE;
#endif // __APRICOTKB_HLE__