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(MESS fc100 : fixed keyboard issues.

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This commit is contained in:
Robbbert 2014-04-21 08:33:47 +00:00
parent 1fb88b94ed
commit 189eab0ec9
1 changed files with 43 additions and 11 deletions
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54
src/mess/drivers/fc100.c
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@ -16,7 +16,6 @@ TODO:
- Unknown i/o ports
- Does it have a cart slot? Yes. What address?
- Expansion?
- It misses keystrokes if you type quickly
****************************************************************************/
@ -48,11 +47,11 @@ public:
DECLARE_READ8_MEMBER(mc6847_videoram_r);
DECLARE_WRITE8_MEMBER(port31_w);
DECLARE_WRITE8_MEMBER(port33_w);
DECLARE_WRITE_LINE_MEMBER(irq_w);
DECLARE_WRITE_LINE_MEMBER(txdata_callback);
DECLARE_WRITE_LINE_MEMBER(uart_clock_w);
TIMER_DEVICE_CALLBACK_MEMBER(timer_c);
TIMER_DEVICE_CALLBACK_MEMBER(timer_p);
TIMER_DEVICE_CALLBACK_MEMBER(timer_k);
UINT8 *m_p_chargen;
static UINT8 get_char_rom(running_machine &machine, UINT8 ch, int line)
@ -75,6 +74,7 @@ private:
UINT8 m_inv;
UINT8 m_cass_data[4];
bool m_cass_state;
UINT8 m_kbd_count;
required_device<cpu_device> m_maincpu;
required_device<s68047_device> m_s68047p;
@ -134,90 +134,105 @@ static INPUT_PORTS_START( fc100 )
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_NAME("O") PORT_CHAR('O') PORT_CHAR('o')
PORT_START("01")
PORT_BIT(0xF0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_NAME("\\") PORT_CHAR('\\') PORT_CHAR('|')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_NAME("Backspace") PORT_CHAR(8)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_NAME("=") PORT_CHAR('=') PORT_CHAR('+')
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_NAME("Enter") PORT_CHAR(13)
PORT_START("02")
PORT_BIT(0xF0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_NAME("Left")
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_NAME("Down")
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_NAME("Right")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_NAME("Up")
PORT_START("03")
PORT_BIT(0xF0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_NAME("9") PORT_CHAR('9') PORT_CHAR('(')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_NAME(";") PORT_CHAR(';') PORT_CHAR(':')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_NAME("'") PORT_CHAR('\'') PORT_CHAR('"')
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB) PORT_NAME("Tab") PORT_CHAR(9)
PORT_START("04")
PORT_BIT(0xF0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_NAME("5") PORT_CHAR('5') PORT_CHAR('^')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_NAME("6") PORT_CHAR('6') PORT_CHAR('&')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_NAME("7") PORT_CHAR('7') PORT_CHAR('%')
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_NAME("8") PORT_CHAR('8') PORT_CHAR('*')
PORT_START("05")
PORT_BIT(0xF0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_NAME("1") PORT_CHAR('1') PORT_CHAR('!')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_NAME("2") PORT_CHAR('2') PORT_CHAR('@')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_NAME("3") PORT_CHAR('3') PORT_CHAR('#')
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_NAME("4") PORT_CHAR('4') PORT_CHAR('$')
PORT_START("06")
PORT_BIT(0xF0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5) PORT_NAME("F5")
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_NAME("Space") PORT_CHAR(32)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_PGDN) PORT_NAME("Run")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_NAME("0") PORT_CHAR('0') PORT_CHAR(')')
PORT_START("07")
PORT_BIT(0xF0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1) PORT_NAME("F1")
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2) PORT_NAME("F2")
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3) PORT_NAME("F3")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4) PORT_NAME("F4")
PORT_START("08")
PORT_BIT(0xF0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_NAME("-") PORT_CHAR('-') PORT_CHAR('_')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_NAME("/") PORT_CHAR('/') PORT_CHAR('?')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_NAME(".") PORT_CHAR('.') PORT_CHAR('>')
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_NAME(",") PORT_CHAR(',') PORT_CHAR('<')
PORT_START("09")
PORT_BIT(0xF0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_NAME("Home")
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT) PORT_NAME("Ins")
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_NAME("Del")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_NAME("Esc") PORT_CHAR(27)
PORT_START("0A")
PORT_BIT(0xF0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_NAME("B") PORT_CHAR('B') PORT_CHAR('b')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_NAME("N") PORT_CHAR('N') PORT_CHAR('n')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_NAME("M") PORT_CHAR('M') PORT_CHAR('m')
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_NAME("L") PORT_CHAR('L') PORT_CHAR('l')
PORT_START("0B")
PORT_BIT(0xF0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_NAME("Z") PORT_CHAR('Z') PORT_CHAR('z')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_NAME("X") PORT_CHAR('X') PORT_CHAR('x')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_NAME("C") PORT_CHAR('C') PORT_CHAR('c')
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_NAME("V") PORT_CHAR('V') PORT_CHAR('v')
PORT_START("0C")
PORT_BIT(0xF0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_NAME("G") PORT_CHAR('G') PORT_CHAR('g')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_NAME("H") PORT_CHAR('H') PORT_CHAR('h')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_NAME("J") PORT_CHAR('J') PORT_CHAR('j')
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_NAME("K") PORT_CHAR('K') PORT_CHAR('k')
PORT_START("0D")
PORT_BIT(0xF0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_NAME("A") PORT_CHAR('A') PORT_CHAR('a')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_NAME("S") PORT_CHAR('S') PORT_CHAR('s')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_NAME("D") PORT_CHAR('D') PORT_CHAR('d')
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_NAME("F") PORT_CHAR('F') PORT_CHAR('f')
PORT_START("0E")
PORT_BIT(0xF0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_NAME("T") PORT_CHAR('T') PORT_CHAR('t')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_NAME("Y") PORT_CHAR('Y') PORT_CHAR('y')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_NAME("U") PORT_CHAR('U') PORT_CHAR('u')
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_NAME("I") PORT_CHAR('I') PORT_CHAR('i')
PORT_START("0F")
PORT_BIT(0xF0, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_NAME("Q") PORT_CHAR('Q') PORT_CHAR('q')
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_NAME("W") PORT_CHAR('W') PORT_CHAR('w')
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_NAME("E") PORT_CHAR('E') PORT_CHAR('e')
@ -294,12 +309,6 @@ READ8_MEMBER( fc100_state::mc6847_videoram_r )
return data;
}
// irq is inverted in emulation, so we need this trampoline
WRITE_LINE_MEMBER( fc100_state::irq_w )
{
m_maincpu->set_input_line(0, state ? CLEAR_LINE : HOLD_LINE);
}
static const mc6847_interface fc100_mc6847_interface =
{
"screen",
@ -384,6 +393,28 @@ TIMER_DEVICE_CALLBACK_MEMBER( fc100_state::timer_p)
}
}
TIMER_DEVICE_CALLBACK_MEMBER( fc100_state::timer_k)
{
/* scan the keyboard */
UINT8 i;
char kbdrow[6];
for (i = 0; i < 16; i++)
{
sprintf(kbdrow,"0%X", i);
if ((ioport(kbdrow)->read() & 15) < 15)
{
// IRQ if key pressed
m_maincpu->set_input_line(0, HOLD_LINE);
return;
}
}
m_kbd_count++;
// also needs to know if no key pressed
m_maincpu->set_input_line(0, BIT(m_kbd_count, 2) ? HOLD_LINE : CLEAR_LINE);
}
static const cassette_interface fc100_cassette_interface =
{
fc100_cassette_formats,
@ -420,6 +451,7 @@ void fc100_state::machine_start()
void fc100_state::machine_reset()
{
m_p_chargen = memregion("chargen")->base();
m_kbd_count = 0;
}
static MACHINE_CONFIG_START( fc100, fc100_state )
@ -430,7 +462,6 @@ static MACHINE_CONFIG_START( fc100, fc100_state )
/* video hardware */
MCFG_MC6847_ADD("s68047p", S68047, XTAL_7_15909MHz/3, fc100_mc6847_interface ) // Clock not verified
MCFG_MC6847_FSYNC_CALLBACK(WRITELINE(fc100_state, irq_w))
MCFG_SCREEN_MC6847_NTSC_ADD("screen", "s68047p")
MCFG_GFXDECODE_ADD("gfxdecode", "f4palette", fc100)
MCFG_PALETTE_ADD_MONOCHROME_AMBER("f4palette")
@ -449,8 +480,9 @@ static MACHINE_CONFIG_START( fc100, fc100_state )
MCFG_I8251_TXD_HANDLER(WRITELINE(fc100_state, txdata_callback))
MCFG_DEVICE_ADD("uart_clock", CLOCK, XTAL_4_9152MHz/16/16) // gives 19200
MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(fc100_state, uart_clock_w))
MCFG_TIMER_DRIVER_ADD_PERIODIC("timer_c", fc100_state, timer_c, attotime::from_hz(4800))
MCFG_TIMER_DRIVER_ADD_PERIODIC("timer_p", fc100_state, timer_p, attotime::from_hz(40000))
MCFG_TIMER_DRIVER_ADD_PERIODIC("timer_c", fc100_state, timer_c, attotime::from_hz(4800)) // cass write
MCFG_TIMER_DRIVER_ADD_PERIODIC("timer_p", fc100_state, timer_p, attotime::from_hz(40000)) // cass read
MCFG_TIMER_DRIVER_ADD_PERIODIC("timer_k", fc100_state, timer_k, attotime::from_hz(200)) // keyb scan
MACHINE_CONFIG_END
/* ROM definition */