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microterm_f8.cpp
581 lines (490 loc) · 23.3 KB
/
microterm_f8.cpp
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// license:BSD-3-Clause
// copyright-holders:AJR
/*******************************************************************************
Driver for Micro-Term ACT-5A and other F8-based terminals.
*******************************************************************************/
#include "emu.h"
#include "bus/rs232/rs232.h"
#include "cpu/f8/f8.h"
#include "machine/ay31015.h"
#include "machine/f3853.h"
#include "machine/input_merger.h"
#include "machine/ripple_counter.h"
#include "sound/beep.h"
#include "screen.h"
#include "speaker.h"
namespace {
class microterm_f8_state : public driver_device
{
public:
microterm_f8_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_uart(*this, "uart")
, m_io(*this, "io")
, m_screen(*this, "screen")
, m_bell(*this, "bell")
, m_blinkcount(*this, "blinkcount")
, m_kbdecode(*this, "kbdecode")
, m_chargen(*this, "chargen")
, m_keys(*this, "KEY%u", 0U)
, m_modifiers(*this, "MODIFIERS")
, m_special(*this, "SPECIAL")
, m_dsw(*this, "DSW%u", 1U)
, m_jumpers(*this, "JUMPERS")
{ }
void act5a(machine_config &config);
private:
virtual void machine_start() override;
virtual void machine_reset() override;
TIMER_CALLBACK_MEMBER(baud_clock);
u32 screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
void vblank_w(int state);
u8 bell_r();
void scroll_w(u8 data);
u8 vram_r(offs_t offset);
void vram_w(offs_t offset, u8 data);
void uart_transmit_w(u8 data);
bool poll_keyboard();
u8 key_r();
u8 port00_r();
void port00_w(u8 data);
u8 port01_r();
void f8_mem(address_map &map);
void f8_io(address_map &map);
required_device<cpu_device> m_maincpu;
required_device<ay51013_device> m_uart;
required_device<rs232_port_device> m_io;
//required_device<rs232_port_device> m_aux;
required_device<screen_device> m_screen;
required_device<beep_device> m_bell;
required_device<ripple_counter_device> m_blinkcount;
required_region_ptr<u8> m_kbdecode;
required_region_ptr<u8> m_chargen;
required_ioport_array<11> m_keys;
required_ioport m_modifiers;
required_ioport m_special;
required_ioport_array<3> m_dsw;
required_ioport m_jumpers;
u8 m_port00 = 0;
u8 m_keylatch = 0;
u8 m_attrlatch = 0;
u8 m_scroll = 0;
std::unique_ptr<u16[]> m_vram;
emu_timer *m_baud_clock = nullptr;
};
void microterm_f8_state::machine_start()
{
m_keylatch = 0;
m_attrlatch = 0;
m_vram = make_unique_clear<u16[]>(0x800); // 6x MM2114 with weird addressing
m_baud_clock = timer_alloc(FUNC(microterm_f8_state::baud_clock), this);
m_baud_clock->adjust(attotime::zero, 0);
save_item(NAME(m_port00));
save_item(NAME(m_keylatch));
save_item(NAME(m_attrlatch));
save_item(NAME(m_scroll));
save_pointer(NAME(m_vram), 0x800);
}
void microterm_f8_state::machine_reset()
{
m_scroll = 0;
m_port00 = 0xff;
// UART parameters
ioport_value dsw3 = m_dsw[2]->read();
m_uart->write_np(BIT(dsw3, 9));
m_uart->write_tsb(BIT(dsw3, 8));
m_uart->write_eps(BIT(dsw3, 7));
m_uart->write_nb1(BIT(dsw3, 6));
m_uart->write_nb2(BIT(dsw3, 5));
m_uart->write_cs(1);
m_uart->write_swe(0);
}
TIMER_CALLBACK_MEMBER(microterm_f8_state::baud_clock)
{
m_uart->write_tcp(param);
m_uart->write_rcp(param);
ioport_value rate = m_dsw[1]->read() ^ 0xff;
if (BIT(rate, 7))
m_baud_clock->adjust(attotime::from_hz(110 * 32), !param);
else
m_baud_clock->adjust(attotime::from_hz(19200 * 32 / rate), !param);
}
u32 microterm_f8_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
if (BIT(m_port00, 2))
{
// Display blanked?
bitmap.fill(rgb_t::black(), cliprect);
return 0;
}
const ioport_value jumpers = m_jumpers->read();
unsigned y = cliprect.top();
offs_t rowbase = (((y / 12) + m_scroll) % 24) * 80;
unsigned line = y % 12;
if (line >= 6)
line += 2;
const bool cursor_on = (m_blinkcount->count() & (~jumpers << 1) & 0x38) == 0;
const bool blink_on = (m_blinkcount->count() & (~jumpers >> 3) & 0x38) == 0;
while (y <= cliprect.bottom())
{
const bool allow_underline = (line == 13) || (line == 12 && !BIT(jumpers, 1));
for (unsigned x = cliprect.left(); x <= cliprect.right(); x++)
{
u16 ch = m_vram[rowbase + (x / 9)];
u8 chdata = m_chargen[(line << 7) | (ch & 0x7f)];
bool dot = (!BIT(ch, 8) && allow_underline) || ((BIT(ch, 10) || blink_on) && BIT(chdata, 8 - (x % 9)));
if ((BIT(ch, 7) && cursor_on) == BIT(ch, 9))
dot = !dot;
bitmap.pix(y, x) = dot ? rgb_t::white() : rgb_t::black();
}
y++;
line++;
if ((line & 7) >= 6)
{
line = (line + 2) & 15;
if (line == 0)
{
rowbase += 80;
if (rowbase == 24 * 80)
rowbase = 0;
}
}
}
return 0;
}
void microterm_f8_state::vblank_w(int state)
{
if (state)
m_bell->set_state(0);
}
u8 microterm_f8_state::bell_r()
{
if (!machine().side_effects_disabled())
m_bell->set_state(1);
return 0;
}
void microterm_f8_state::scroll_w(u8 data)
{
m_scroll++;
if (m_scroll == 24)
m_scroll = 0;
}
u8 microterm_f8_state::vram_r(offs_t offset)
{
offs_t vaddr = (offset >> 8) * 80 + (offset & 0x007f);
assert(vaddr < 0x800);
u16 vdata = m_vram[vaddr];
if (!machine().side_effects_disabled())
m_attrlatch = (vdata & 0xf00) >> 4;
// Bit 7 indicates protected attribute
if ((~vdata & (~m_jumpers->read() >> 1) & 0xf00) != 0)
return vdata | 0x80;
else
return vdata & 0x7f;
}
void microterm_f8_state::vram_w(offs_t offset, u8 data)
{
offs_t vaddr = (offset >> 8) * 80 + (offset & 0x007f);
assert(vaddr < 0x800);
m_vram[vaddr] = data | u16(m_port00 & 0xf0) << 4;
if (BIT(m_port00, 0))
m_vram[vaddr] |= u16(m_attrlatch) << 4;
}
void microterm_f8_state::uart_transmit_w(u8 data)
{
m_uart->transmit((data & 0x7f) | (m_dsw[2]->read() & 0x10) << 3);
}
bool microterm_f8_state::poll_keyboard()
{
for (int row = 0; row < 11; row++)
{
u8 polled = m_keys[row]->read();
if (polled == 0xff)
continue;
offs_t keyaddr = (m_modifiers->read() << 7) | (row << 3);
while (BIT(polled, 0))
{
polled >>= 1;
keyaddr++;
}
m_keylatch = m_kbdecode[keyaddr];
return true;
}
return false;
}
u8 microterm_f8_state::key_r()
{
// Cursor is supposed to stop blinking temporarily when keys are depressed
// This implementation suspends cursor blinking when keys are actually read
// It also suspends blinking text, which perhaps is supposed to happen
if (!machine().side_effects_disabled())
{
m_blinkcount->reset_w(1);
m_blinkcount->reset_w(0);
}
return m_keylatch;
}
u8 microterm_f8_state::port00_r()
{
u8 flags = m_port00;
// Full duplex switch
if (!BIT(m_dsw[2]->read(), 0))
flags |= 0x02;
if (BIT(m_port00, 0))
flags |= m_attrlatch;
return flags;
}
void microterm_f8_state::port00_w(u8 data)
{
m_port00 = data;
}
u8 microterm_f8_state::port01_r()
{
u8 flags = 0;
// Some timing flag (not necessarily HBLANK?)
if (!m_screen->hblank())
flags |= 0x80;
// Keyboard polling
if (poll_keyboard())
flags |= 0x40;
// ???
if (!m_screen->vblank())
flags |= 0x20;
// Local mode switch
if (!BIT(m_special->read(), 1))
flags |= 0x10;
// Protected field setting
flags |= ~m_dsw[2]->read() & 0x06;
return flags;
}
void microterm_f8_state::f8_mem(address_map &map)
{
map(0x0000, 0x0bff).rom().region("maincpu", 0);
map(0x0c00, 0x0c00).r(FUNC(microterm_f8_state::bell_r));
map(0x2000, 0x2000).mirror(0x1fff).w(FUNC(microterm_f8_state::scroll_w));
map(0x4000, 0x407f).select(0x1f00).rw(FUNC(microterm_f8_state::vram_r), FUNC(microterm_f8_state::vram_w));
map(0x5800, 0x5fff).unmaprw();
map(0x8000, 0x8000).r(m_uart, FUNC(ay51013_device::receive)).w(FUNC(microterm_f8_state::uart_transmit_w));
map(0xf000, 0xf000).r(FUNC(microterm_f8_state::key_r));
}
void microterm_f8_state::f8_io(address_map &map)
{
map.unmap_value_high();
map(0x00, 0x00).rw(FUNC(microterm_f8_state::port00_r), FUNC(microterm_f8_state::port00_w));
map(0x01, 0x01).r(FUNC(microterm_f8_state::port01_r)).nopw();
map(0x0c, 0x0f).rw("smi", FUNC(f3853_device::read), FUNC(f3853_device::write));
}
static INPUT_PORTS_START(act5a)
PORT_START("KEY0")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(' ') PORT_CODE(KEYCODE_SPACE)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N") PORT_CHAR('n') PORT_CHAR('N') PORT_CHAR(0x0e) PORT_CODE(KEYCODE_N)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B") PORT_CHAR('b') PORT_CHAR('B') PORT_CHAR(0x02) PORT_CODE(KEYCODE_B)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V") PORT_CHAR('v') PORT_CHAR('V') PORT_CHAR(0x16) PORT_CODE(KEYCODE_V)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C") PORT_CHAR('c') PORT_CHAR('C') PORT_CHAR(0x03) PORT_CODE(KEYCODE_C)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X") PORT_CHAR('x') PORT_CHAR('X') PORT_CHAR(0x18) PORT_CODE(KEYCODE_X)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z") PORT_CHAR('z') PORT_CHAR('Z') PORT_CHAR(0x1a) PORT_CODE(KEYCODE_Z)
PORT_START("KEY1")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(COMMA_PAD)) PORT_CODE(KEYCODE_PLUS_PAD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(MINUS_PAD)) PORT_CODE(KEYCODE_MINUS_PAD)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H") PORT_CHAR('h') PORT_CHAR('H') PORT_CHAR(0x08) PORT_CODE(KEYCODE_H)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G") PORT_CHAR('g') PORT_CHAR('G') PORT_CHAR(0x07) PORT_CODE(KEYCODE_G)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F") PORT_CHAR('f') PORT_CHAR('F') PORT_CHAR(0x06) PORT_CODE(KEYCODE_F)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D") PORT_CHAR('d') PORT_CHAR('D') PORT_CHAR(0x04) PORT_CODE(KEYCODE_D)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S") PORT_CHAR('s') PORT_CHAR('S') PORT_CHAR(0x13) PORT_CODE(KEYCODE_S)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A") PORT_CHAR('a') PORT_CHAR('A') PORT_CHAR(0x01) PORT_CODE(KEYCODE_A)
PORT_START("KEY2")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8 * -") PORT_CHAR('8') PORT_CHAR('*') PORT_CODE(KEYCODE_8)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y") PORT_CHAR('y') PORT_CHAR('Y') PORT_CHAR(0x19) PORT_CODE(KEYCODE_Y)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T") PORT_CHAR('t') PORT_CHAR('T') PORT_CHAR(0x14) PORT_CODE(KEYCODE_T)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R") PORT_CHAR('r') PORT_CHAR('R') PORT_CHAR(0x12) PORT_CODE(KEYCODE_R)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E") PORT_CHAR('e') PORT_CHAR('E') PORT_CHAR(0x05) PORT_CODE(KEYCODE_E)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W") PORT_CHAR('w') PORT_CHAR('W') PORT_CHAR(0x17) PORT_CODE(KEYCODE_W)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q") PORT_CHAR('q') PORT_CHAR('Q') PORT_CHAR(0x11) PORT_CODE(KEYCODE_Q)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(0x09) PORT_CODE(KEYCODE_TAB)
PORT_START("KEY3")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('7') PORT_CHAR('&') PORT_CODE(KEYCODE_7)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('6') PORT_CHAR('^') PORT_CODE(KEYCODE_6)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('5') PORT_CHAR('%') PORT_CODE(KEYCODE_5)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('4') PORT_CHAR('$') PORT_CODE(KEYCODE_4)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('3') PORT_CHAR('#') PORT_CODE(KEYCODE_3)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('2') PORT_CHAR('@') PORT_CODE(KEYCODE_2)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('1') PORT_CHAR('!') PORT_CODE(KEYCODE_1)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(0x1b) PORT_CODE(KEYCODE_ESC)
PORT_START("KEY4")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("] }") PORT_CHAR(']') PORT_CHAR('}') PORT_CHAR(0x1d) PORT_CODE(KEYCODE_CLOSEBRACE)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('-') PORT_CHAR('_') PORT_CODE(KEYCODE_MINUS)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[ {") PORT_CHAR('[') PORT_CHAR('{') PORT_CODE(KEYCODE_OPENBRACE)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P") PORT_CHAR('p') PORT_CHAR('P') PORT_CHAR(0x10) PORT_CODE(KEYCODE_P)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('0') PORT_CHAR(')') PORT_CODE(KEYCODE_0)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("\\ |") PORT_CHAR('\\') PORT_CHAR('|') PORT_CHAR(0x1c) PORT_CODE(KEYCODE_BACKSLASH)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('`') PORT_CHAR('~') PORT_CODE(KEYCODE_TILDE)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('=') PORT_CHAR('+') PORT_CODE(KEYCODE_EQUALS)
PORT_START("KEY5")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('\'') PORT_CHAR('"') PORT_CODE(KEYCODE_QUOTE)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(';') PORT_CHAR(':') PORT_CODE(KEYCODE_COLON)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('/') PORT_CHAR('?') PORT_CODE(KEYCODE_SLASH)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(". > 9") PORT_CHAR('.') PORT_CHAR('>') PORT_CODE(KEYCODE_STOP)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(", < 8") PORT_CHAR(',') PORT_CHAR('<') PORT_CODE(KEYCODE_COMMA)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M 7") PORT_CHAR('m') PORT_CHAR('M') PORT_CODE(KEYCODE_M)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L 6") PORT_CHAR('l') PORT_CHAR('L') PORT_CHAR(0x0c) PORT_CODE(KEYCODE_L)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K 5") PORT_CHAR('k') PORT_CHAR('K') PORT_CHAR(0x0b) PORT_CODE(KEYCODE_K)
PORT_START("KEY6")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J 4") PORT_CHAR('j') PORT_CHAR('J') PORT_CODE(KEYCODE_J)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O 3") PORT_CHAR('o') PORT_CHAR('O') PORT_CHAR(0x0f) PORT_CODE(KEYCODE_O)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I 2") PORT_CHAR('i') PORT_CHAR('I') PORT_CODE(KEYCODE_I)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U 1") PORT_CHAR('u') PORT_CHAR('U') PORT_CHAR(0x15) PORT_CODE(KEYCODE_U)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9 ( 0") PORT_CHAR('9') PORT_CHAR('(') PORT_CODE(KEYCODE_9)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Line Feed") PORT_CHAR(0x0a) PORT_CODE(KEYCODE_RALT)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Delete") PORT_CHAR(0x7f) PORT_CODE(KEYCODE_BACKSPACE)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Return") PORT_CHAR(0x0d) PORT_CODE(KEYCODE_ENTER)
PORT_START("KEY7")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(ENTER_PAD)) PORT_CODE(KEYCODE_ENTER_PAD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(3_PAD)) PORT_CODE(KEYCODE_3_PAD)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(6_PAD)) PORT_CODE(KEYCODE_6_PAD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(9_PAD)) PORT_CODE(KEYCODE_9_PAD)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(DEL_PAD)) PORT_CODE(KEYCODE_DEL_PAD)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(2_PAD)) PORT_CODE(KEYCODE_2_PAD)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(5_PAD)) PORT_CODE(KEYCODE_5_PAD)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(8_PAD)) PORT_CODE(KEYCODE_8_PAD)
PORT_START("KEY8")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(0_PAD)) PORT_CODE(KEYCODE_0_PAD)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(1_PAD)) PORT_CODE(KEYCODE_1_PAD)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(4_PAD)) PORT_CODE(KEYCODE_4_PAD)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(7_PAD)) PORT_CODE(KEYCODE_7_PAD)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_CODE(KEYCODE_DOWN)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_CODE(KEYCODE_UP)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_CODE(KEYCODE_RIGHT)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_CODE(KEYCODE_LEFT)
PORT_START("KEY9")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B/W Blink") PORT_CODE(KEYCODE_F8)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Intens Undl") PORT_CODE(KEYCODE_F7)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Format On/Off") PORT_CODE(KEYCODE_F6)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Split On/Off") PORT_CODE(KEYCODE_F5)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Clear Home") PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_CODE(KEYCODE_F4)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Clear EOL/EOF") PORT_CHAR(UCHAR_MAMEKEY(END)) PORT_CODE(KEYCODE_F3)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ins Char/Line") PORT_CHAR(UCHAR_MAMEKEY(INSERT)) PORT_CODE(KEYCODE_F2)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Del Char/Line") PORT_CHAR(UCHAR_MAMEKEY(DEL)) PORT_CODE(KEYCODE_F1)
PORT_START("KEY10")
PORT_BIT(0x3f, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Send Line/Page") PORT_CODE(KEYCODE_F11)
PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Print Line/Page") PORT_CHAR(UCHAR_MAMEKEY(PRTSCR)) PORT_CODE(KEYCODE_F12)
PORT_START("MODIFIERS")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CHAR(UCHAR_SHIFT_1) PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Num") PORT_CHAR(UCHAR_MAMEKEY(NUMLOCK)) PORT_CODE(KEYCODE_LALT) PORT_TOGGLE
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CHAR(UCHAR_SHIFT_2) PORT_CODE(KEYCODE_LCONTROL)
PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Caps Lock") PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE
PORT_START("SPECIAL")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Break") PORT_CODE(KEYCODE_F9) PORT_WRITE_LINE_DEVICE_MEMBER("txd", input_merger_device, in_w<1>)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Line/Loc") PORT_CODE(KEYCODE_F10) PORT_TOGGLE
PORT_START("DSW1")
PORT_DIPNAME(0xff, 0xfd, "Printer Data Rate") PORT_DIPLOCATION("S1:8,7,6,5,4,3,2,1")
PORT_DIPSETTING(0x7f, "110")
PORT_DIPSETTING(0xbf, "300")
PORT_DIPSETTING(0xdf, "600")
PORT_DIPSETTING(0xef, "1,200")
PORT_DIPSETTING(0xf7, "2,400")
PORT_DIPSETTING(0xfb, "4,800")
PORT_DIPSETTING(0xfd, "9,600")
PORT_DIPSETTING(0xfe, "19,200")
PORT_START("DSW2")
PORT_DIPNAME(0xff, 0xfd, "I/O Data Rate") PORT_DIPLOCATION("S2:1,2,3,4,5,6,7,8")
PORT_DIPSETTING(0x7f, "110")
PORT_DIPSETTING(0xbf, "300")
PORT_DIPSETTING(0xdf, "600")
PORT_DIPSETTING(0xef, "1,200")
PORT_DIPSETTING(0xf7, "2,400")
PORT_DIPSETTING(0xfb, "4,800")
PORT_DIPSETTING(0xfd, "9,600")
PORT_DIPSETTING(0xfe, "19,200")
PORT_START("DSW3")
PORT_DIPNAME(0x001, 0x000, "Conversation Mode") PORT_DIPLOCATION("S3:1")
PORT_DIPSETTING(0x001, "Half Duplex")
PORT_DIPSETTING(0x000, "Full Duplex")
PORT_DIPNAME(0x006, 0x006, "Protected Field Attribute") PORT_DIPLOCATION("S3:2,3")
PORT_DIPSETTING(0x006, "Reduced Intensity")
PORT_DIPSETTING(0x002, "Blinking")
PORT_DIPSETTING(0x004, "Reverse Video")
PORT_DIPSETTING(0x000, "Underline")
PORT_DIPNAME(0x008, 0x008, "Display Null Character") PORT_DIPLOCATION("S3:4")
PORT_DIPSETTING(0x000, DEF_STR(Off))
PORT_DIPSETTING(0x008, DEF_STR(On))
PORT_DIPNAME(0x010, 0x010, "8th Bit Transmit") PORT_DIPLOCATION("S3:5")
PORT_DIPSETTING(0x000, "0 (Space)")
PORT_DIPSETTING(0x010, "1 (Mark)")
PORT_DIPNAME(0x060, 0x060, "Word Length") PORT_DIPLOCATION("S3:6,7")
PORT_DIPSETTING(0x000, "5 Bits")
PORT_DIPSETTING(0x040, "6 Bits")
PORT_DIPSETTING(0x020, "7 Bits")
PORT_DIPSETTING(0x060, "8 Bits")
PORT_DIPNAME(0x280, 0x280, "Parity") PORT_DIPLOCATION("S3:8,10")
PORT_DIPSETTING(0x280, "None")
PORT_DIPSETTING(0x080, "Even")
PORT_DIPSETTING(0x000, "Odd")
PORT_DIPNAME(0x100, 0x100, "Number of Stop Bits") PORT_DIPLOCATION("S3:9")
PORT_DIPSETTING(0x000, "1")
PORT_DIPSETTING(0x100, "2")
PORT_START("JUMPERS")
PORT_DIPNAME(0x0003, 0x0002, "Underline") PORT_DIPLOCATION("W1:1,2")
PORT_DIPSETTING(0x0002, "Single")
PORT_DIPSETTING(0x0001, "Double")
PORT_DIPNAME(0x003c, 0x0034, "Cursor Rate") PORT_DIPLOCATION("W2:1,2,3,4")
PORT_DIPSETTING(0x001c, "0 Hz")
PORT_DIPSETTING(0x002c, "1 Hz")
PORT_DIPSETTING(0x0034, "2 Hz")
PORT_DIPSETTING(0x0038, "4 Hz")
PORT_DIPNAME(0x01c0, 0x00c0, "Blinking Rate") PORT_DIPLOCATION("W3:1,2,3")
PORT_DIPSETTING(0x00c0, "1 Hz")
PORT_DIPSETTING(0x0140, "2 Hz")
PORT_DIPSETTING(0x0180, "4 Hz")
PORT_DIPNAME(0x1e00, 0x0e00, "Protected Video Attribute") PORT_DIPLOCATION("W4:4,3,2,1")
PORT_DIPSETTING(0x0e00, "Reduced Intensity")
PORT_DIPSETTING(0x1600, "Blinking")
PORT_DIPSETTING(0x1a00, "Reverse Video")
PORT_DIPSETTING(0x1c00, "Underline")
PORT_DIPNAME(0xe000, 0x6000, "Keyboard Auto Repeat Rate") PORT_DIPLOCATION("W5:1,2,3")
PORT_DIPSETTING(0x6000, "7.5 cps")
PORT_DIPSETTING(0xa000, "15 cps")
PORT_DIPSETTING(0xc000, "30 cps")
INPUT_PORTS_END
void microterm_f8_state::act5a(machine_config &config)
{
cpu_device &maincpu(F8(config, "maincpu", 2_MHz_XTAL));
maincpu.set_addrmap(AS_PROGRAM, µterm_f8_state::f8_mem);
maincpu.set_addrmap(AS_IO, µterm_f8_state::f8_io);
maincpu.set_irq_acknowledge_callback("smi", FUNC(f3853_device::int_acknowledge));
f3853_device &smi(F3853(config, "smi", 2_MHz_XTAL));
smi.int_req_callback().set_inputline("maincpu", F8_INPUT_LINE_INT_REQ);
AY51013(config, m_uart);
m_uart->read_si_callback().set(m_io, FUNC(rs232_port_device::rxd_r));
m_uart->write_so_callback().set("txd", FUNC(input_merger_device::in_w<0>));
m_uart->write_dav_callback().set("smi", FUNC(f3853_device::ext_int_w));
m_uart->set_auto_rdav(true);
RS232_PORT(config, m_io, default_rs232_devices, nullptr);
INPUT_MERGER_ALL_HIGH(config, "txd").output_handler().set(m_io, FUNC(rs232_port_device::write_txd));
//RS232_PORT(config, m_aux, default_rs232_devices, nullptr);
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
screen.set_raw(16.572_MHz_XTAL, 918, 0, 720, 301, 0, 288); // more or less guessed
screen.set_screen_update(FUNC(microterm_f8_state::screen_update));
screen.screen_vblank().set(FUNC(microterm_f8_state::vblank_w));
screen.screen_vblank().append(m_blinkcount, FUNC(ripple_counter_device::clock_w)).invert();
RIPPLE_COUNTER(config, m_blinkcount).set_stages(6);
SPEAKER(config, "mono").front_center();
BEEP(config, m_bell, 1760);
m_bell->add_route(ALL_OUTPUTS, "mono", 0.50);
}
ROM_START(act5a)
ROM_REGION(0x0c00, "maincpu", 0) // xtals 16.572MHz, 2.000MHz
ROM_LOAD("act5a_2708.u1", 0x0000, 0x0400, CRC(ad3bfa5a) SHA1(723c7bfefbf96177171b8e58a8e20ee69daa27f0))
ROM_LOAD("act5a_2708.u12", 0x0400, 0x0400, CRC(be4a148d) SHA1(69bf838ed9fccdf7f225bc380bcce8e7e0bd88bc))
ROM_LOAD("act5a_2708.u22", 0x0800, 0x0400, CRC(f0ec3b9f) SHA1(7785eba9993c23a767b84fff2c44d5cb6210ad80))
ROM_REGION(0x2000, "kbdecode", 0)
ROM_LOAD("act5a_9316.u39", 0x0000, 0x2000, CRC(6f9eac71) SHA1(0488bdd19a6bff4e869a3480c7e9d8c5ca9938eb))
ROM_REGION(0x2000, "chargen", 0)
ROM_LOAD("act5a_9316.u55", 0x0000, 0x2000, CRC(8f96b7c8) SHA1(652d420ab5be9412cae322cd1799f8a9e3959c44))
ROM_END
} // anonymous namespace
//COMP(1976, act4, 0, 0, act5a, act5a, microterm_f8_state, empty_init, "Micro-Term", "ACT-IV", MACHINE_NOT_WORKING)
//COMP(1978, act5, 0, 0, act5a, act5a, microterm_f8_state, empty_init, "Micro-Term", "ACT-V", MACHINE_NOT_WORKING)
COMP(1980, act5a, 0, 0, act5a, act5a, microterm_f8_state, empty_init, "Micro-Term", "ACT-5A", MACHINE_NOT_WORKING)