mirror of
https://github.com/holub/mame
synced 2025-04-26 18:23:08 +03:00
juku: Major updates
- Improve timers to make interrupts work - Emulate keyboard You can now use the system with the builtin monitor.
This commit is contained in:
Dirk Best
parent
4914ff2a7c
commit
4bcb09b29c
@ -19,6 +19,7 @@
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#include "emu.h"
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#include "cpu/i8085/i8085.h"
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#include "machine/74148.h"
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#include "machine/bankdev.h"
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#include "machine/i8251.h"
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#include "machine/i8255.h"
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@ -41,7 +42,10 @@ public:
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m_pic(*this, "pic"),
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m_pit(*this, "pit%u", 0U),
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m_pio(*this, "pio%u", 0U),
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m_sio(*this, "sio%u", 0U)
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m_sio(*this, "sio%u", 0U),
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m_key_encoder(*this, "keyenc"),
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m_keys(*this, "COL.%u", 0U),
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m_key_special(*this, "SPECIAL")
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{ }
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void juku(machine_config &config);
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@ -57,11 +61,16 @@ private:
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required_device_array<pit8253_device, 3> m_pit;
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required_device_array<i8255_device, 2> m_pio;
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required_device_array<i8251_device, 2> m_sio;
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required_device<ttl74148_device> m_key_encoder;
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required_ioport_array<16> m_keys;
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required_ioport m_key_special;
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void mem_map(address_map &map);
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void bank_map(address_map &map);
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void io_map(address_map &map);
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void pio0_porta_w(uint8_t data);
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uint8_t pio0_portb_r();
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void pio0_portc_w(uint8_t data);
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uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
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@ -114,6 +123,148 @@ void juku_state::io_map(address_map &map)
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//**************************************************************************
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static INPUT_PORTS_START( juku )
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PORT_START("COL.0")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F6)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) // n N
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) // y Y
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) // 6 &
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) // h H
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PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_START("COL.1")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) // x X
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) // w W
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) // 2 "
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) // s S
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PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_START("COL.2")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F4)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) // v V
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) // r R
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) // 4 $
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) // f F
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PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_START("COL.3")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F1)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TAB)
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC)
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CAPSLOCK)
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PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_START("COL.4")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F5)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) // b B
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) // t T
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) // 5 %
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) // g G
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PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_START("COL.5")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F2)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) // z Z
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) // q Q
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) // 1 !
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) // a A
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PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_START("COL.6")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F3)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) // c C
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) // e E
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) // 3 #
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) // d D
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PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_START("COL.7")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F7)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) // m M
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) // u U
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) // 7 '
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) // j J
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PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_START("COL.8")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) // ] õ
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) // ERASE
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER)
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PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_START("COL.9")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) // [ ö
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) // Ä Ü
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_START("COL.10")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F9) // õ Õ
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F10) // ö Õ
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F11) // : *
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PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_START("COL.11")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F12) // ; +
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) // ü Ü
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) // - =
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) // ä Ä
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PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_START("COL.12")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) // / ?
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) // p P
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) // 0 _
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) // ö Ö
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PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_START("COL.13")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) // . >
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT)
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) // o O
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) // 9 )
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) // l L
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PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_START("COL.14")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F8)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) // , <
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) // LAT/RUS
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) // i I
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) // 8 (
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) // k K
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PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
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// CONTRDAT?
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PORT_START("COL.15")
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PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_START("SPECIAL")
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PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LSHIFT)
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_LCONTROL)
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INPUT_PORTS_END
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@ -135,8 +286,50 @@ uint32_t juku_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap,
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// MACHINE EMULATION
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//**************************************************************************
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void juku_state::pio0_porta_w(uint8_t data)
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{
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// 7------- stb
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// -6------ pren
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// --5----- not used?
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// ---4---- audc
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// ----3210 keyboard column
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for (int i = 0; i < 6; i++)
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m_key_encoder->input_line_w(i, BIT(m_keys[data & 0x0f]->read(), i));
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m_key_encoder->update();
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// logerror("porta_w %02x\n", data);
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}
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uint8_t juku_state::pio0_portb_r()
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{
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// 7------- ctrl
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// -6------ shift
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// --54---- not used
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// ----321- keyboard data
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// -------0 key pressed
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uint8_t data = 0;
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data |= m_key_special->read();
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data |= 0x30;
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data |= m_key_encoder->output_r() << 1;
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data |= m_key_encoder->output_valid_r();
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return data;
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}
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void juku_state::pio0_portc_w(uint8_t data)
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{
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// 7------- (cas?) pof
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// -6------ (cas?) stop
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// --5----- (cas?) rn
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// ---4---- (cas?) ff
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// ----3--- (cas?) play
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// -----2-- (cas?) rec
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// ------10 memory mode
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m_bank->set_bank(data & 0x03);
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}
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@ -149,11 +342,15 @@ void juku_state::machine_start()
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membank("ram_0000")->set_base(&m_ram[0x0000]);
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membank("ram_4000")->set_base(&m_ram[0x4000]);
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membank("ram_c000")->set_base(&m_ram[0xc000]);
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// register for save states
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save_pointer(NAME(m_ram), 0x10000);
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}
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void juku_state::machine_reset()
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{
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m_bank->set_bank(0);
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m_key_encoder->enable_input_w(0);
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}
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@ -183,6 +380,8 @@ void juku_state::juku(machine_config &config)
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PIT8253(config, m_pit[0], 0);
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m_pit[0]->set_clk<0>(16_MHz_XTAL/16);
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m_pit[0]->out_handler<0>().set(m_pit[1], FUNC(pit8253_device::write_clk0));
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m_pit[0]->out_handler<0>().append(m_pit[0], FUNC(pit8253_device::write_gate1));
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m_pit[0]->out_handler<0>().append(m_pit[0], FUNC(pit8253_device::write_gate2));
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m_pit[0]->set_clk<1>(16_MHz_XTAL/16);
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m_pit[0]->set_clk<2>(16_MHz_XTAL/16);
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m_pit[0]->out_handler<2>().set(m_pit[1], FUNC(pit8253_device::write_clk1));
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@ -190,6 +389,8 @@ void juku_state::juku(machine_config &config)
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// КР580ВИ53
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PIT8253(config, m_pit[1], 0);
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m_pit[1]->out_handler<0>().set(m_pit[1], FUNC(pit8253_device::write_gate1));
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m_pit[1]->out_handler<0>().append(m_pit[1], FUNC(pit8253_device::write_gate2));
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m_pit[1]->out_handler<1>().set(m_pic, FUNC(pic8259_device::ir5_w));
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// КР580ВИ53
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@ -197,6 +398,8 @@ void juku_state::juku(machine_config &config)
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// КР580ВВ55A
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I8255A(config, m_pio[0]);
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m_pio[0]->out_pa_callback().set(FUNC(juku_state::pio0_porta_w));
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m_pio[0]->in_pb_callback().set(FUNC(juku_state::pio0_portb_r));
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m_pio[0]->out_pc_callback().set(FUNC(juku_state::pio0_portc_w));
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// КР580ВВ55A
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@ -218,6 +421,8 @@ void juku_state::juku(machine_config &config)
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screen.set_size(320, 240);
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screen.set_visarea(0, 319, 0, 239);
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screen.set_screen_update(FUNC(juku_state::screen_update));
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TTL74148(config, m_key_encoder, 0);
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}
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@ -243,4 +448,4 @@ ROM_END
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//**************************************************************************
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// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
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COMP( 1988, juku, 0, 0, juku, juku, juku_state, empty_init, "Estron", "Juku E5101", MACHINE_NOT_WORKING | MACHINE_NO_SOUND )
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COMP( 1988, juku, 0, 0, juku, juku, juku_state, empty_init, "Estron", "Juku E5101", MACHINE_NOT_WORKING | MACHINE_NO_SOUND | MACHINE_SUPPORTS_SAVE)
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