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pp: Use better floppy type; add timer interrupt (still fails test, alas); fix key definition (nw)

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This commit is contained in:
AJR 2020-02-20 15:13:58 -05:00
parent c881f18ef4
commit d192fa113d
1 changed files with 15 additions and 5 deletions
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20
src/mame/drivers/pp.cpp
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@ -41,6 +41,7 @@ public:
, m_int_status(0xf)
, m_kbd_scan(0)
, m_kbd_release(false)
, m_tmi_enable(false)
, m_printer_busy(false)
, m_dr(0)
, m_mode(0)
@ -96,6 +97,7 @@ private:
u8 m_int_status;
u8 m_kbd_scan;
bool m_kbd_release;
bool m_tmi_enable;
bool m_printer_busy;
u8 m_dr;
u8 m_mode;
@ -117,6 +119,7 @@ void pp_state::machine_start()
save_item(NAME(m_int_status));
save_item(NAME(m_kbd_scan));
save_item(NAME(m_kbd_release));
save_item(NAME(m_tmi_enable));
save_item(NAME(m_printer_busy));
save_item(NAME(m_dr));
save_item(NAME(m_mode));
@ -190,7 +193,9 @@ SCN2672_DRAW_CHARACTER_MEMBER(pp_state::display_char)
void pp_state::kbd_scan_w(u8 data)
{
// SL3 = AUTORPT (TODO: clocks INT3)
// SL3 = AUTORPT (also clocks timer interrupt)
if (!BIT(m_kbd_scan, 3) && BIT(data, 3) && m_tmi_enable)
int_w<3>(1);
m_kbd_scan = data;
}
@ -283,7 +288,12 @@ void pp_state::co_w(u8 data)
// KBIEN
m_int4->in_w<0>(BIT(data, 4));
// TODO: D5 = TMIEN, D6 = HDIEN
// TMIEN
if (m_tmi_enable && !BIT(data, 5))
int_w<3>(0);
m_tmi_enable = BIT(data, 5);
// TODO: D6 = HDIEN
// KBREL
m_kbd_release = BIT(data, 7);
@ -336,7 +346,7 @@ static INPUT_PORTS_START(pp)
PORT_START("ROW0") // pin 11 of J13 connector
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Esc") PORT_CHAR(0x1b) PORT_CODE(KEYCODE_ESC)
PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('2') PORT_CHAR('@') PORT_CODE(KEYCODE_2)
PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('3') PORT_CHAR('#') PORT_CODE(KEYCODE_3)
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('6') PORT_CHAR('^') PORT_CODE(KEYCODE_6)
PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('9') PORT_CHAR('(') PORT_CODE(KEYCODE_9)
PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CHAR('0') PORT_CHAR(')') PORT_CODE(KEYCODE_0)
@ -423,7 +433,7 @@ INPUT_PORTS_END
static void pp_floppies(device_slot_interface &device)
{
// Mitsubishi M485X
device.option_add("525dd", FLOPPY_525_DD);
device.option_add("525qd", FLOPPY_525_QD);
}
void pp_state::pp(machine_config &config)
@ -451,7 +461,7 @@ void pp_state::pp(machine_config &config)
m_fdc->drq_wr_callback().set("int7", FUNC(input_merger_device::in_w<0>));
m_fdc->hld_wr_callback().set(FUNC(pp_state::hld_w));
FLOPPY_CONNECTOR(config, m_floppy[0], pp_floppies, "525dd", floppy_image_device::default_floppy_formats).enable_sound(true);
FLOPPY_CONNECTOR(config, m_floppy[0], pp_floppies, "525qd", floppy_image_device::default_floppy_formats).enable_sound(true);
FLOPPY_CONNECTOR(config, m_floppy[1], pp_floppies, nullptr, floppy_image_device::default_floppy_formats).enable_sound(true);
SCN2672(config, m_pvtc, 13_MHz_XTAL / 8);