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author Nigel Barnes <ngbarnes@gmail.com>2025-07-09 22:57:33 +0100
committer Nigel Barnes <ngbarnes@gmail.com>2025-07-09 22:59:15 +0100
commit9f2b195c15ea1800f8f92e6e69c8178c91903627 (patch)
treefa718f0801f43985336f0f5f39f413ef85cc4b95
parent6024902349391c231e6c7e01446a4ef560945365 (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.cpp33
-rw-r--r--src/devices/machine/kr2376.h26
-rw-r--r--src/mame/skeleton/cortex.cpp205
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 )