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apple/apple3.cpp: Added support for two-speed keyboard auto-repeat. (#11503)

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robjustice 2023-08-24 16:27:12 +10:00 committed by GitHub
parent 4b2e873aaf
commit c082f87846
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3 changed files with 44 additions and 0 deletions
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4
src/mame/apple/apple3.cpp
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@ -90,6 +90,10 @@ void apple3_state::apple3(machine_config &config)
m_ay3600->shift().set(FUNC(apple3_state::ay3600_shift_r));
m_ay3600->control().set(FUNC(apple3_state::ay3600_control_r));
m_ay3600->data_ready().set(FUNC(apple3_state::ay3600_data_ready_w));
m_ay3600->ako().set(FUNC(apple3_state::ay3600_ako_w));
/* repeat timer */
TIMER(config, m_repttimer).configure_generic(FUNC(apple3_state::ay3600_repeat));
/* slot bus */
A2BUS(config, m_a2bus, 0);

5
src/mame/apple/apple3.h
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@ -65,6 +65,7 @@ public:
floppy1(*this, "1"),
floppy2(*this, "2"),
floppy3(*this, "3"),
m_repttimer(*this, "repttimer"),
m_reset_latch(false),
m_nmi_latch(false)
{
@ -89,6 +90,7 @@ public:
required_device<floppy_connector> floppy1;
required_device<floppy_connector> floppy2;
required_device<floppy_connector> floppy3;
required_device<timer_device> m_repttimer;
uint8_t apple3_memory_r(offs_t offset);
void apple3_memory_w(offs_t offset, uint8_t data);
@ -122,6 +124,8 @@ public:
int ay3600_shift_r();
int ay3600_control_r();
void ay3600_data_ready_w(int state);
void ay3600_ako_w(int state);
TIMER_DEVICE_CALLBACK_MEMBER(ay3600_repeat);
virtual void device_post_load() override;
TIMER_DEVICE_CALLBACK_MEMBER(paddle_timer);
void pdl_handler(int offset);
@ -162,6 +166,7 @@ private:
int m_c040_time = 0;
uint16_t m_lastchar = 0, m_strobe = 0;
uint8_t m_transchar = 0;
bool m_anykeydown;
bool m_charwrt = false;
emu_timer *m_scanstart = nullptr, *m_scanend = nullptr;

35
src/mame/apple/apple3_m.cpp
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@ -1294,6 +1294,41 @@ void apple3_state::ay3600_data_ready_w(int state)
}
}
void apple3_state::ay3600_ako_w(int state)
{
m_anykeydown = (state == ASSERT_LINE) ? true : false;
if (m_anykeydown)
{
m_repttimer->adjust(attotime::from_hz(2));
}
else
{
m_repttimer->adjust(attotime::never);
}
}
TIMER_DEVICE_CALLBACK_MEMBER(apple3_state::ay3600_repeat)
{
// is the key still down?
if (m_anykeydown)
{
// Closed Apple key
if (m_kbspecial->read() & 0x20)
{
m_repttimer->adjust(attotime::from_hz(30));
}
else
{
m_repttimer->adjust(attotime::from_hz(10));
}
m_strobe = 0x80;
m_via[1]->write_ca2(ASSERT_LINE);
m_via[1]->write_ca2(CLEAR_LINE);
}
}
void apple3_state::pdl_handler(int offset)
{
uint8_t pdlread;