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Move mouse to optional device, add timer to fix density
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| // license:BSD-3-Clause | ||
| // copyright-holders:Märt Põder | ||
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| #include "emu.h" | ||
| #include "jukumouse.h" | ||
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| #define VERBOSE 1 | ||
| #define LOG_OUTPUT_FUNC osd_printf_info | ||
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| #include "logmacro.h" | ||
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| DEFINE_DEVICE_TYPE(JUKU_MOUSE, juku_mouse_device, "juku_mouse", "Juku E510x mouse") | ||
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| juku_mouse_device::juku_mouse_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) | ||
| : device_t(mconfig, JUKU_MOUSE, tag, owner, clock), | ||
| m_mouse_x(*this, "MOUSE_X"), | ||
| m_mouse_y(*this, "MOUSE_Y"), | ||
| m_mouse_b(*this, "BUTTONS"), | ||
| m_int_handler(*this) | ||
| { | ||
| } | ||
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| void juku_mouse_device::device_start() | ||
| { | ||
| save_item(NAME(m_prev_mouse_y)); | ||
| save_item(NAME(m_prev_mouse_x)); | ||
| save_item(NAME(m_prev_byte)); | ||
| m_mouse_timer = timer_alloc(FUNC(juku_mouse_device::poll_delta), this); | ||
| } | ||
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| void juku_mouse_device::device_reset() | ||
| { | ||
| m_prev_mouse_y = 0; | ||
| m_prev_mouse_x = 0; | ||
| m_prev_byte = 0; | ||
| m_mouse_timer->adjust(attotime::zero, 0, attotime::from_hz(1400)); | ||
| } | ||
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| /* | ||
| * Calculate positive/negative delta from old and new relative value | ||
| */ | ||
| inline int delta(int o, int n) | ||
| { | ||
| if(o>n) { | ||
| if(o-n<128) return n-o; | ||
| else return n+255-o; | ||
| } | ||
| if(o<n) { | ||
| if(n-o<128) return n-o; | ||
| else return n-255-o; | ||
| } | ||
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| return 0; | ||
| } | ||
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| TIMER_CALLBACK_MEMBER( juku_mouse_device::poll_delta ) | ||
| { | ||
| uint8_t buttons = m_mouse_b->read(); | ||
| int x = m_mouse_x->read(), y = m_mouse_y->read(); | ||
| int dx = delta(m_prev_mouse_x, x); | ||
| int dy = delta(m_prev_mouse_y, y); | ||
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| if (dx != 0 || dy != 0 || (m_prev_byte & 0b11) != buttons) { | ||
| m_int_handler(CLEAR_LINE); | ||
| m_int_handler(ASSERT_LINE); | ||
| } | ||
| } | ||
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| INPUT_PORTS_START( juku_mouse ) | ||
| PORT_START("MOUSE_X") | ||
| PORT_BIT(0xff, 0x00, IPT_MOUSE_X) PORT_CODE(MOUSECODE_X) PORT_SENSITIVITY(23) | ||
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| PORT_START("MOUSE_Y") | ||
| PORT_BIT(0xff, 0x00, IPT_MOUSE_Y) PORT_CODE(MOUSECODE_Y) PORT_SENSITIVITY(23) | ||
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| PORT_START("BUTTONS") | ||
| PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_CODE(MOUSECODE_BUTTON1) PORT_NAME("Left Button") | ||
| PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_BUTTON2) PORT_CODE(MOUSECODE_BUTTON2) PORT_NAME("Right Button") | ||
| INPUT_PORTS_END | ||
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| uint8_t juku_mouse_device::mouse_port_r() | ||
| { | ||
| // 7------- always 1 | ||
| // -6------ always 0 | ||
| // --5----- vertical active | ||
| // ---4---- vertical direction | ||
| // ----3--- horizontal active | ||
| // -----2-- horizontal direction | ||
| // ------1- left button | ||
| // -------0 right button | ||
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| uint8_t data = 0b10000000 | m_mouse_b->read(); | ||
| int x = m_mouse_x->read(), y = m_mouse_y->read(); | ||
| int dx = delta(m_prev_mouse_x, x); | ||
| int dy = delta(m_prev_mouse_y, y); | ||
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| if (dx != 0) { | ||
| data |= dx > 0 ? 0b00001000 : 0b00001100; | ||
| m_prev_mouse_x = x; | ||
| } | ||
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| if (dy != 0) { | ||
| data |= dy > 0 ? 0b00110000 : 0b00100000; | ||
| m_prev_mouse_y = y; | ||
| } | ||
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| m_prev_byte = data; | ||
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| return data; | ||
| } | ||
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| ioport_constructor juku_mouse_device::device_input_ports() const | ||
| { | ||
| return INPUT_PORTS_NAME( juku_mouse ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| // license: BSD-3-Clause | ||
| // copyright-holders:Märt Põder | ||
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| #ifndef MAME_USSR_JUKU_H | ||
| #define MAME_USSR_JUKU_H | ||
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| #pragma once | ||
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| class juku_mouse_device : public device_t | ||
| { | ||
| public: | ||
| juku_mouse_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); | ||
| uint8_t mouse_port_r(); | ||
| auto int_handler() { return m_int_handler.bind(); } | ||
| TIMER_CALLBACK_MEMBER( poll_delta ); | ||
| protected: | ||
| virtual void device_start() override ATTR_COLD; | ||
| virtual void device_reset() override ATTR_COLD; | ||
| virtual ioport_constructor device_input_ports() const override ATTR_COLD; | ||
| private: | ||
| required_ioport m_mouse_x, m_mouse_y, m_mouse_b; | ||
| uint8_t m_prev_mouse_x, m_prev_mouse_y; | ||
| uint8_t m_prev_byte; | ||
| devcb_write_line m_int_handler; | ||
| emu_timer *m_mouse_timer; | ||
| }; | ||
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| DECLARE_DEVICE_TYPE(JUKU_MOUSE, juku_mouse_device) | ||
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| #endif // MAME_USSR_JUKU_H |