diff options
| author | 2025-07-09 22:57:33 +0100 | |
|---|---|---|
| committer | 2025-07-09 22:59:15 +0100 | |
| commit | 9f2b195c15ea1800f8f92e6e69c8178c91903627 (patch) | |
| tree | fa718f0801f43985336f0f5f39f413ef85cc4b95 | |
| parent | 6024902349391c231e6c7e01446a4ef560945365 (diff) | |
machine/kr2376.cpp: Added ROM bit 7 to the KR2376_ST encoder, used in external Caps-Lock circuits.
skeleton/cortex.cpp: Replaced keyboard to use AY-5-2376 encoder, and implemented the Caps-Lock and Graph keys.
| -rw-r--r-- | src/devices/machine/kr2376.cpp | 33 | ||||
| -rw-r--r-- | src/devices/machine/kr2376.h | 26 | ||||
| -rw-r--r-- | src/mame/skeleton/cortex.cpp | 205 |
3 files changed, 205 insertions, 59 deletions
diff --git a/src/devices/machine/kr2376.cpp b/src/devices/machine/kr2376.cpp index ff2c1d00bec..14de041c58d 100644 --- a/src/devices/machine/kr2376.cpp +++ b/src/devices/machine/kr2376.cpp @@ -4,6 +4,10 @@ SMC KR2376 Keyboard Encoder emulation + Notes: + - the ROM contains 2376 bits, 3 x 88 x 9 bits per code. The last bit is + parity which we calculate so only define the 8 data bits. + **********************************************************************/ #include "emu.h" @@ -39,13 +43,13 @@ uint8_t kr2376_st_device::key_codes(int mode, int x, int y) // DLE K L N M NAK SYN ETB CAN EM SUB X1 { 0x10, 0x4b, 0x4c, 0x4e, 0x4d, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a }, // X1 // - FS GS RS US < > , SP . _ X2 - { 0x2d, 0x1c, 0x1d, 0x1e, 0x1f, 0x3c, 0x3e, 0x2c, 0x20, 0x2e, 0x5f }, // X2 + { 0xad, 0x1c, 0x1d, 0x1e, 0x1f, 0xbc, 0xbe, 0xac, 0xa0, 0xae, 0x5f }, // X2 // 0 : p _ @ BS [ ] CR LF DEL X3 - { 0x30, 0x3a, 0x70, 0x5f, 0x40, 0x08, 0x5B, 0x5d, 0x0d, 0x0a, 0x7f }, // X3 - { 0x3b, 0x2f, 0x2e, 0x2c, 0x6d, 0x6e, 0x62, 0x76, 0x63, 0x78, 0x7a }, // X4 + { 0xb0, 0xba, 0x70, 0x5f, 0x40, 0x08, 0x5B, 0x5d, 0x0d, 0x0a, 0xff }, // X3 + { 0xbb, 0xaf, 0xae, 0xac, 0x6d, 0x6e, 0x62, 0x76, 0x63, 0x78, 0x7a }, // X4 { 0x6c, 0x6b, 0x6a, 0x68, 0x67, 0x66, 0x64, 0x73, 0x61, 0x0c, 0x1b }, // X5 { 0x6f, 0x69, 0x75, 0x79, 0x74, 0x72, 0x65, 0x77, 0x71, 0x09, 0x0b }, // X6 - { 0x39, 0x38, 0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x5e, 0x5c } // X7 + { 0xb9, 0xb8, 0xb7, 0xb6, 0xb5, 0xb4, 0xb3, 0xb2, 0xb1, 0x5e, 0x5c } // X7 }, // shift @@ -56,13 +60,13 @@ uint8_t kr2376_st_device::key_codes(int mode, int x, int y) // DLE [ \ ^ ] NAK SYN ETB CAN EM SUB X1 { 0x10, 0x5b, 0x5c, 0x5e, 0x5d, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a }, // X1 // = FS GS RS US < > , SP . _ X2 - { 0x3d, 0x1c, 0x1d, 0x1e, 0x1f, 0x3c, 0x3e, 0x2c, 0x20, 0x2e, 0x5f }, // X2 + { 0xbd, 0x1c, 0x1d, 0x1e, 0x1f, 0xbc, 0xbe, 0xac, 0xa0, 0xae, 0x5f }, // X2 // NUL * P DEL ` BS { } CR LF DEL X3 - { 0x00, 0x2a, 0x50, 0x7f, 0x60, 0x08, 0x7b, 0x7d, 0x0d, 0x0a, 0x7f }, // X3 - { 0x2b, 0x3f, 0x3e, 0x3c, 0x4d, 0x4e, 0x42, 0x56, 0x43, 0x58, 0x5a }, // X4 + { 0x00, 0xaa, 0x50, 0xff, 0xe0, 0x08, 0xfb, 0xfd, 0x0d, 0x0a, 0xff }, // X3 + { 0xab, 0xbf, 0xbe, 0xbc, 0x4d, 0x4e, 0x42, 0x56, 0x43, 0x58, 0x5a }, // X4 { 0x4c, 0x4b, 0x4a, 0x48, 0x47, 0x46, 0x44, 0x53, 0x41, 0x0c, 0x1b }, // X5 { 0x4f, 0x49, 0x55, 0x59, 0x54, 0x52, 0x45, 0x57, 0x51, 0x09, 0x0b }, // X6 - { 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x7e, 0x7c } // X7 + { 0xa9, 0xa8, 0xa7, 0xa6, 0xa5, 0xa4, 0xa3, 0xa2, 0xa1, 0xfe, 0xfc } // X7 }, // control @@ -73,9 +77,9 @@ uint8_t kr2376_st_device::key_codes(int mode, int x, int y) // DLE VT FF SO CR NAK SYN ETB CAN EM SUB X1 { 0x10, 0x0b, 0x0c, 0x0e, 0x0d, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a }, // X1 // NUL FS GS RS US NUL NUL NUL SP NUL US X2 - { 0x00, 0x1c, 0x1d, 0x1e, 0x1f, 0x00, 0x00, 0x00, 0x20, 0x00, 0x1f }, // X2 + { 0x00, 0x1c, 0x1d, 0x1e, 0x1f, 0x00, 0x00, 0x00, 0xa0, 0x00, 0x1f }, // X2 // NUL NUL DLE US NUL BS ESC GS CR LF DEL X3 - { 0x00, 0x00, 0x10, 0x1f, 0x00, 0x08, 0x1B, 0x1d, 0x0d, 0x0a, 0x7f }, // X3 + { 0x00, 0x00, 0x10, 0x1f, 0x00, 0x08, 0x1B, 0x1d, 0x0d, 0x0a, 0xff }, // X3 { 0x00, 0x00, 0x00, 0x00, 0x1d, 0x0e, 0x02, 0x16, 0x03, 0x18, 0x1a }, // X4 { 0x0c, 0x0b, 0x0a, 0x08, 0x07, 0x06, 0x04, 0x13, 0x01, 0x0c, 0x1b }, // X5 { 0x1f, 0x09, 0x15, 0x19, 0x14, 0x12, 0x05, 0x17, 0x11, 0x09, 0x0b }, // X6 @@ -255,15 +259,12 @@ void kr2376_device::detect_keypress() /* strobe 0->1 transition, encode char and update parity */ if (!m_strobe_old) { - int i; int parbit; - int shift = m_read_shift(); - int control = m_read_control(); int table = 0; - if (shift) + if (m_read_shift()) table = 1; - else if (control) + else if (m_read_control()) table = 2; m_data = key_codes(table, m_ring8, m_ring11); @@ -271,7 +272,7 @@ void kr2376_device::detect_keypress() /* Compute ODD parity */ m_parity = m_data; parbit = 0; - for (i=0; i<8; i++) + for (int i=0; i<8; i++) parbit ^= (m_parity >> i) & 1; m_parity = parbit; } diff --git a/src/devices/machine/kr2376.h b/src/devices/machine/kr2376.h index a6c3048eb14..7d6eb9dc92e 100644 --- a/src/devices/machine/kr2376.h +++ b/src/devices/machine/kr2376.h @@ -69,23 +69,24 @@ public: int get_output_pin( output_pin_t pin ); protected: - // device-level overrides + // device_t overrides virtual void device_start() override ATTR_COLD; + virtual uint8_t key_codes(int mode, int x, int y) { return 0x00; } TIMER_CALLBACK_MEMBER(perform_scan); private: // internal state - int m_pins[41]; + uint8_t m_pins[41]; - int m_ring11; /* sense input scan counter */ - int m_ring8; /* drive output scan counter */ + uint8_t m_ring11; /* sense input scan counter */ + uint8_t m_ring8; /* drive output scan counter */ - int m_strobe; /* strobe output */ - int m_strobe_old; - int m_parity; - int m_data; + uint8_t m_strobe; /* strobe output */ + uint8_t m_strobe_old; + uint8_t m_parity; + uint8_t m_data; /* timers */ emu_timer *m_scan_timer; /* keyboard scan timer */ @@ -98,22 +99,27 @@ private: void detect_keypress(); }; + class kr2376_st_device : public kr2376_device { public: kr2376_st_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + protected: virtual uint8_t key_codes(int mode, int x, int y) override; }; + class kr2376_12_device : public kr2376_device { public: - kr2376_12_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + kr2376_12_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + protected: - virtual uint8_t key_codes(int mode, int x, int y) override; + virtual uint8_t key_codes(int mode, int x, int y) override; }; + DECLARE_DEVICE_TYPE(KR2376_ST, kr2376_st_device) DECLARE_DEVICE_TYPE(KR2376_12, kr2376_12_device) diff --git a/src/mame/skeleton/cortex.cpp b/src/mame/skeleton/cortex.cpp index bc3af05065a..658c029f7ca 100644 --- a/src/mame/skeleton/cortex.cpp +++ b/src/mame/skeleton/cortex.cpp @@ -29,10 +29,10 @@ There's no option in BASIC to produce sound. It will beep if an invalid key To clear the screen press Ctrl L. -ToDo: +TODO: - Unemulated devices - Cassette -- Keyboard to use AY device +- Keyboard REPEAT circuit - Memory mapping unit (74LS610) - Various CRU I/O @@ -42,7 +42,7 @@ ToDo: #include "cpu/tms9900/tms9995.h" #include "machine/74259.h" -#include "machine/keyboard.h" +#include "machine/kr2376.h" //#include "machine/tms9902.h" #include "video/tms9928a.h" #include "sound/beep.h" @@ -62,6 +62,8 @@ public: , m_ram(*this, "mainram") , m_bank1(*this, "bank1") , m_beep(*this, "beeper") + , m_ay2376(*this, "ay2376") + , m_pb(*this, "PB") , m_io_dsw(*this, "DSW") { } @@ -72,24 +74,27 @@ protected: virtual void machine_reset() override ATTR_COLD; private: - void kbd_put(u8 data); - void keyboard_ack_w(int state); + void kbd_strobe(int state); + void kbd_ack_w(int state); void romsw_w(int state); void vdp_int_w(int state); u8 pio_r(offs_t offset); - u8 keyboard_r(offs_t offset); + u8 kbd_r(offs_t offset); void io_map(address_map &map) ATTR_COLD; void mem_map(address_map &map) ATTR_COLD; bool m_kbd_ack = 0; bool m_vdp_int = 0; - u8 m_term_data = 0U; + u8 m_kbd_data = 0U; + required_device<tms9995_device> m_maincpu; required_region_ptr<u8> m_rom; required_shared_ptr<u8> m_ram; required_memory_bank m_bank1; - required_device<beep_device> m_beep; + required_device<beep_device> m_beep; + required_device<kr2376_device> m_ay2376; + required_ioport m_pb; required_ioport m_io_dsw; }; @@ -107,7 +112,7 @@ void cortex_state::io_map(address_map &map) map.unmap_value_high(); map(0x0000, 0x000f).mirror(0x30).w("control", FUNC(ls259_device::write_d0)); map(0x0000, 0x000f).r(FUNC(cortex_state::pio_r)); - map(0x0010, 0x001f).r(FUNC(cortex_state::keyboard_r)); + map(0x0010, 0x001f).r(FUNC(cortex_state::kbd_r)); //map(0x0080, 0x00bf).rw("uart1", FUNC(tms9902_device::cruread), FUNC(tms9902_device::cruwrite)); // RS232 (r12 = 80-bf) //map(0x0180, 0x01bf).rw("uart2", FUNC(tms9902_device::cruread), FUNC(tms9902_device::cruwrite)); // Cassette (r12 = 180-1bf) //map(0x01c0, 0x01ff).rw("dma", FUNC(tms9911_device::read), FUNC(tms9911_device::write)); // r12 = 1c0-1fe @@ -118,13 +123,123 @@ void cortex_state::io_map(address_map &map) /* Input ports */ static INPUT_PORTS_START( cortex ) + PORT_START("X0") + PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END)) PORT_NAME("Edit") + PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_UNUSED) + + PORT_START("X1") + PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_INSERT) PORT_CHAR(UCHAR_MAMEKEY(INSERT)) PORT_NAME("Insert") + PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DEL) PORT_CHAR(UCHAR_MAMEKEY(DEL)) PORT_NAME("Delete") + PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_UNUSED) + + PORT_START("X2") + PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=') + PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_HOME) PORT_CHAR(UCHAR_MAMEKEY(HOME)) PORT_NAME("Home") + PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') + PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CHAR('_') + + PORT_START("X3") + PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') + PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(':') PORT_CHAR('*') + PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P') + PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_UNUSED) + PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_QUOTE) PORT_CHAR('@') PORT_CHAR('`') + PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) PORT_NAME(u8"\u2190") // U+2190 = ← + PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR('{') + PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR('}') + PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_NAME("Return") + PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN)) PORT_NAME(u8"\u2193") // U+2193 = ↓ + PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_NAME("Rub Out") + + PORT_START("X4") + PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR(';') PORT_CHAR('+') + PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') + PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') + PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') + PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M') + PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N') + PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B') + PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V') + PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C') + PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X') + PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z') + + PORT_START("X5") + PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L') + PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K') + PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J') + PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H') + PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('c') PORT_CHAR('G') + PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') + PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') + PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') + PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') + PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_PGUP) PORT_CHAR(UCHAR_MAMEKEY(PGUP)) PORT_NAME("Clear") + PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ESC) PORT_CHAR(UCHAR_MAMEKEY(ESC)) PORT_NAME("Escape") + + PORT_START("X6") + PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O') + PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I') + PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U') + PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y') + PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T') + PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') + PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') + PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') + PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') + PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT)) PORT_NAME(u8"\u2192") // U+2192 = → + PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP)) PORT_NAME(u8"\u2191") // U+2191 = ↑ + + PORT_START("X7") + PORT_BIT(0x001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') + PORT_BIT(0x002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') + PORT_BIT(0x004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') + PORT_BIT(0x008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') + PORT_BIT(0x010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') + PORT_BIT(0x020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') + PORT_BIT(0x040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') + PORT_BIT(0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('"') + PORT_BIT(0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') + PORT_BIT(0x200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_TILDE) PORT_CHAR('^') PORT_CHAR('~') + PORT_BIT(0x400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_BACKSLASH) PORT_CHAR('\\') PORT_CHAR('|') + + PORT_START("PB") + PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) + PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Ctrl") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL)) PORT_CHAR(UCHAR_MAMEKEY(RCONTROL)) + PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Caps Lock") PORT_CODE(KEYCODE_CAPSLOCK) PORT_TOGGLE PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK)) + PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Graph") PORT_CODE(KEYCODE_PGDN) PORT_CHAR(UCHAR_MAMEKEY(PGDN)) + PORT_START("DSW") - PORT_DIPNAME( 0x04, 0x00, "DISK SIZE") - PORT_DIPSETTING( 0x04, "20cm") - PORT_DIPSETTING( 0x00, "13cm") - PORT_DIPNAME( 0x08, 0x08, "DISK DENSITY") - PORT_DIPSETTING( 0x08, "Double") - PORT_DIPSETTING( 0x00, "Single") + PORT_DIPNAME(0x04, 0x00, "DISK SIZE") + PORT_DIPSETTING( 0x04, "20cm") + PORT_DIPSETTING( 0x00, "13cm") + PORT_DIPNAME(0x08, 0x08, "DISK DENSITY") + PORT_DIPSETTING( 0x08, "Double") + PORT_DIPSETTING( 0x00, "Single") INPUT_PORTS_END u8 cortex_state::pio_r(offs_t offset) @@ -146,12 +261,12 @@ u8 cortex_state::pio_r(offs_t offset) } } -u8 cortex_state::keyboard_r(offs_t offset) +u8 cortex_state::kbd_r(offs_t offset) { - return BIT(m_term_data, offset); + return BIT(m_kbd_data, offset); } -void cortex_state::keyboard_ack_w(int state) +void cortex_state::kbd_ack_w(int state) { if (!state) { @@ -170,20 +285,34 @@ void cortex_state::vdp_int_w(int state) m_vdp_int = state ? 0 : 1; // change polarity to match mame } -void cortex_state::kbd_put(u8 data) +void cortex_state::kbd_strobe(int state) { - m_term_data = data; - m_kbd_ack = 0; - m_maincpu->set_input_line(INT_9995_INT4, ASSERT_LINE); + if (state) + { + m_kbd_data = m_ay2376->data_r() & 0x5f; + + // Caps Lock + if (BIT(m_pb->read(), 2)) + m_kbd_data |= BIT(m_ay2376->data_r(), 7) << 5; + else + m_kbd_data |= BIT(m_ay2376->data_r(), 5) << 5; + + // Graphics + m_kbd_data |= BIT(m_pb->read(), 3) << 7; + + m_kbd_ack = 0; + m_maincpu->set_input_line(INT_9995_INT4, ASSERT_LINE); + } } void cortex_state::machine_start() { m_bank1->configure_entry(0, m_ram); m_bank1->configure_entry(1, m_rom); + save_item(NAME(m_kbd_ack)); save_item(NAME(m_vdp_int)); - save_item(NAME(m_term_data)); + save_item(NAME(m_kbd_data)); } void cortex_state::machine_reset() @@ -202,13 +331,13 @@ void cortex_state::cortex(machine_config &config) /* TMS9995 CPU @ 12.0 MHz */ // Standard variant, no overflow int // No lines connected yet - TMS9995(config, m_maincpu, XTAL(12'000'000)); + TMS9995(config, m_maincpu, 12_MHz_XTAL); m_maincpu->set_addrmap(AS_PROGRAM, &cortex_state::mem_map); m_maincpu->set_addrmap(AS_IO, &cortex_state::io_map); ls259_device &control(LS259(config, "control")); // IC64 //control.q_out_cb<0>().set(FUNC(cortex_state::basic_led_w)); - control.q_out_cb<1>().set(FUNC(cortex_state::keyboard_ack_w)); + control.q_out_cb<1>().set(FUNC(cortex_state::kbd_ack_w)); //control.q_out_cb<2>().set(FUNC(cortex_state::ebus_int_ack_w)); //control.q_out_cb<3>().set(FUNC(cortex_state::ebus_to_en_w)); //control.q_out_cb<4>().set(FUNC(cortex_state::disk_size_w)); @@ -216,18 +345,30 @@ void cortex_state::cortex(machine_config &config) control.q_out_cb<6>().set("beeper", FUNC(beep_device::set_state)); /* video hardware */ - tms9929a_device &crtc(TMS9929A(config, "crtc", XTAL(10'738'635))); + tms9929a_device &crtc(TMS9929A(config, "crtc", 10.738635_MHz_XTAL)); crtc.set_screen("screen"); crtc.int_callback().set_inputline(m_maincpu, INT_9995_INT1); crtc.int_callback().append(FUNC(cortex_state::vdp_int_w)); crtc.set_vram_size(0x4000); SCREEN(config, "screen", SCREEN_TYPE_RASTER); - generic_keyboard_device &keyboard(GENERIC_KEYBOARD(config, "keyboard", 0)); - keyboard.set_keyboard_callback(FUNC(cortex_state::kbd_put)); - - //TMS9902(config, "uart1", XTAL(12'000'000) / 4); - //TMS9902(config, "uart2", XTAL(12'000'000) / 4); + KR2376_ST(config, m_ay2376, 50000); + m_ay2376->x<0>().set_ioport("X0"); + m_ay2376->x<1>().set_ioport("X1"); + m_ay2376->x<2>().set_ioport("X2"); + m_ay2376->x<3>().set_ioport("X3"); + m_ay2376->x<4>().set_ioport("X4"); + m_ay2376->x<5>().set_ioport("X5"); + m_ay2376->x<6>().set_ioport("X6"); + m_ay2376->x<7>().set_ioport("X7"); + m_ay2376->shift().set_ioport("PB").bit(0); + m_ay2376->control().set_ioport("PB").bit(1); + m_ay2376->strobe().set(FUNC(cortex_state::kbd_strobe)); + + //tms9902_device &uart1(TMS9902(config, "uart1", 12_MHz_XTAL / 4)); + //uart1.int_cb().set_inputline(m_maincpu, INT_9995_INT4); + //tms9902_device &uart2(TMS9902(config, "uart2", 12_MHz_XTAL / 4)); + //uart2.int_cb().set_inputline(m_maincpu, INT_9995_INT4); /* Sound */ SPEAKER(config, "mono").front_center(); @@ -250,7 +391,5 @@ ROM_END } // anonymous namespace -/* Driver */ - // YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS COMP( 1982, cortex, 0, 0, cortex, cortex, cortex_state, empty_init, "Powertran Cybernetics", "Cortex", MACHINE_NOT_WORKING | MACHINE_SUPPORTS_SAVE ) |
