Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-06-06 04:43:45 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

abc1600: Bring the mouse CPU online. [Curt Coder]

Browse Source
This commit is contained in:
Curt Coder 2023-03-06 15:57:21 +02:00
parent 2d15d21efe
commit 2102c32d2f
2 changed files with 37 additions and 104 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

131
src/devices/bus/abckb/abc99.cpp
View File

@ -46,9 +46,6 @@ Notes:
- verify cursor keys
- language DIP
- mouse
- MCS-48 PC:01DC - Unimplemented opcode = 75
- 75 = ENT0 CLK : enable CLK (unscaled_clock/3) output on T0
- halt Z2 when Z5 is reset, resume Z2 when Z5 executes ENT0 CLK instruction
*/
@ -123,22 +120,23 @@ void abc99_device::abc99_z2_mem(address_map &map)
void abc99_device::abc99_z2_io(address_map &map)
{
map(0x21, 0x21).w(FUNC(abc99_device::z2_led_w));
map(0x30, 0x30).portr("X0").nopw();
map(0x31, 0x31).portr("X1").nopw();
map(0x32, 0x32).portr("X2").nopw();
map(0x33, 0x33).portr("X3").nopw();
map(0x34, 0x34).portr("X4").nopw();
map(0x35, 0x35).portr("X5").nopw();
map(0x36, 0x36).portr("X6").nopw();
map(0x37, 0x37).portr("X7").nopw();
map(0x38, 0x38).portr("X8").nopw();
map(0x39, 0x39).portr("X9").nopw();
map(0x3a, 0x3a).portr("X10").nopw();
map(0x3b, 0x3b).portr("X11").nopw();
map(0x3c, 0x3c).portr("X12").nopw();
map(0x3d, 0x3d).portr("X13").nopw();
map(0x3e, 0x3e).portr("X14").nopw();
map(0x3f, 0x3f).portr("X15").nopw();
map(0x30, 0x3f).nopw();
map(0x30, 0x30).portr("X0");
map(0x31, 0x31).portr("X1");
map(0x32, 0x32).portr("X2");
map(0x33, 0x33).portr("X3");
map(0x34, 0x34).portr("X4");
map(0x35, 0x35).portr("X5");
map(0x36, 0x36).portr("X6");
map(0x37, 0x37).portr("X7");
map(0x38, 0x38).portr("X8");
map(0x39, 0x39).portr("X9");
map(0x3a, 0x3a).portr("X10");
map(0x3b, 0x3b).portr("X11");
map(0x3c, 0x3c).portr("X12");
map(0x3d, 0x3d).portr("X13");
map(0x3e, 0x3e).portr("X14");
map(0x3f, 0x3f).portr("X15");
}
@ -159,7 +157,7 @@ void abc99_device::abc99_z5_mem(address_map &map)
void abc99_device::device_add_mconfig(machine_config &config)
{
// keyboard CPU
I8035(config, m_maincpu, XTAL(6'000'000)/3); // from Z5 T0 output
I8035(config, m_maincpu, 0); // from Z5 T0 output
m_maincpu->set_addrmap(AS_PROGRAM, &abc99_device::abc99_z2_mem);
m_maincpu->set_addrmap(AS_IO, &abc99_device::abc99_z2_io);
m_maincpu->p1_out_cb().set(FUNC(abc99_device::z2_p1_w));
@ -170,11 +168,10 @@ void abc99_device::device_add_mconfig(machine_config &config)
// mouse CPU
I8035(config, m_mousecpu, XTAL(6'000'000));
m_mousecpu->set_addrmap(AS_PROGRAM, &abc99_device::abc99_z5_mem);
//m_mousecpu->p1_in_cb().set(FUNC(abc99_device::z5_p1_r));
//m_mousecpu->p2_out_cb().set(FUNC(abc99_device::z5_p2_w));
//m_mousecpu->set_t0_clk_cb(); // Z2 CLK
//m_mousecpu->t1_in_cb().set(FUNC(abc99_device::z5_t1_r));
m_mousecpu->set_disable(); // HACK fix for broken serial I/O
m_mousecpu->p1_in_cb().set(FUNC(abc99_device::z5_p1_r));
m_mousecpu->p2_out_cb().set(FUNC(abc99_device::z5_p2_w));
m_mousecpu->set_t0_clk_cb(I8035_Z2_TAG, FUNC(device_t::set_unscaled_clock_int));
m_mousecpu->t1_in_cb().set(FUNC(abc99_device::z5_t1_r));
// sound hardware
SPEAKER(config, "mono").front_center();
@ -412,21 +409,6 @@ void abc99_device::serial_input()
}
//-------------------------------------------------
// serial_output -
//-------------------------------------------------
void abc99_device::serial_output(int state)
{
if (m_txd != state)
{
m_txd = state;
m_slot->write_rx(m_txd);
}
}
//-------------------------------------------------
// serial_clock -
//-------------------------------------------------
@ -447,20 +429,6 @@ TIMER_CALLBACK_MEMBER(abc99_device::scan_mouse)
}
//-------------------------------------------------
// keydown -
//-------------------------------------------------
void abc99_device::key_down(int state)
{
if (m_keydown != state)
{
m_slot->keydown_w(state);
m_keydown = state;
}
}
//**************************************************************************
// LIVE DEVICE
@ -472,7 +440,9 @@ void abc99_device::key_down(int state)
abc99_device::abc99_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, ABC99, tag, owner, clock),
abc_keyboard_interface(mconfig, *this), m_serial_timer(nullptr), m_mouse_timer(nullptr),
abc_keyboard_interface(mconfig, *this),
m_serial_timer(nullptr),
m_mouse_timer(nullptr),
m_maincpu(*this, I8035_Z2_TAG),
m_mousecpu(*this, I8035_Z5_TAG),
m_speaker(*this, "speaker"),
@ -483,12 +453,10 @@ abc99_device::abc99_device(const machine_config &mconfig, const char *tag, devic
m_si_en(1),
m_so_z2(1),
m_so_z5(1),
m_keydown(0),
m_t1_z2(0),
m_t1_z5(0),
m_led_en(0),
m_reset(1),
m_txd(1)
m_led_en(1),
m_reset(1)
{
}
@ -500,6 +468,7 @@ abc99_device::abc99_device(const machine_config &mconfig, const char *tag, devic
void abc99_device::device_start()
{
m_leds.resolve();
// allocate timers
m_serial_timer = timer_alloc(FUNC(abc99_device::serial_clock), this);
m_serial_timer->adjust(MCS48_ALE_CLOCK(XTAL(6'000'000)/3), 0, MCS48_ALE_CLOCK(XTAL(6'000'000)/3));
@ -511,12 +480,10 @@ void abc99_device::device_start()
save_item(NAME(m_si_en));
save_item(NAME(m_so_z2));
save_item(NAME(m_so_z5));
save_item(NAME(m_keydown));
save_item(NAME(m_t1_z2));
save_item(NAME(m_t1_z5));
save_item(NAME(m_led_en));
save_item(NAME(m_reset));
save_item(NAME(m_txd));
}
@ -526,7 +493,7 @@ void abc99_device::device_start()
void abc99_device::device_reset()
{
// set EA lines
// external access
m_maincpu->set_input_line(MCS48_INPUT_EA, ASSERT_LINE);
m_mousecpu->set_input_line(MCS48_INPUT_EA, ASSERT_LINE);
@ -590,10 +557,10 @@ void abc99_device::z2_p1_w(uint8_t data)
// serial output
m_so_z2 = BIT(data, 0);
serial_output(m_so_z2 && m_so_z5);
m_slot->write_rx(m_so_z2 && m_so_z5);
// key down
key_down(!BIT(data, 1));
m_slot->keydown_w(!BIT(data, 1));
// master T1
m_t1_z5 = BIT(data, 2);
@ -638,26 +605,6 @@ uint8_t abc99_device::z2_p2_r()
}
//-------------------------------------------------
// z2_t0_r -
//-------------------------------------------------
READ_LINE_MEMBER( abc99_device::z2_t0_r )
{
return 1; // 0=mouse connected, 1=no mouse
}
//-------------------------------------------------
// z2_t1_r -
//-------------------------------------------------
READ_LINE_MEMBER( abc99_device::z2_t1_r )
{
return m_t1_z2;
}
//-------------------------------------------------
// z5_p1_r -
//-------------------------------------------------
@ -724,27 +671,17 @@ void abc99_device::z5_p2_w(uint8_t data)
// Z2 reset
int reset = BIT(data, 5);
if (!m_reset && reset)
if (m_reset != reset)
{
m_maincpu->reset();
m_maincpu->set_input_line(INPUT_LINE_RESET, reset ? CLEAR_LINE : ASSERT_LINE);
}
m_reset = reset;
// serial output
m_so_z5 = BIT(data, 6);
serial_output(m_so_z2 && m_so_z5);
m_slot->write_rx(m_so_z2 && m_so_z5);
// keyboard CPU T1
m_t1_z2 = BIT(data, 7);
}
//-------------------------------------------------
// z5_t1_r -
//-------------------------------------------------
uint8_t abc99_device::z5_t1_r()
{
return m_t1_z5;
}

10
src/devices/bus/abckb/abc99.h
View File

@ -63,20 +63,18 @@ private:
};
void serial_input();
void serial_output(int state);
TIMER_CALLBACK_MEMBER(serial_clock);
TIMER_CALLBACK_MEMBER(scan_mouse);
void key_down(int state);
void z2_p1_w(uint8_t data);
uint8_t z2_p2_r();
DECLARE_READ_LINE_MEMBER( z2_t0_r );
DECLARE_READ_LINE_MEMBER( z2_t1_r );
DECLARE_READ_LINE_MEMBER( z2_t0_r ) { return 1; /* 0=mouse connected, 1=no mouse */ }
DECLARE_READ_LINE_MEMBER( z2_t1_r ) { return m_t1_z2; }
void z2_led_w(uint8_t data);
uint8_t z5_p1_r();
void z5_p2_w(uint8_t data);
uint8_t z5_t1_r();
DECLARE_READ_LINE_MEMBER( z5_t1_r ) { return m_t1_z5; }
void abc99_z2_io(address_map &map);
void abc99_z2_mem(address_map &map);
@ -96,12 +94,10 @@ private:
int m_si_en;
int m_so_z2;
int m_so_z5;
int m_keydown;
int m_t1_z2;
int m_t1_z5;
int m_led_en;
int m_reset;
int m_txd;
};