diff options
Diffstat (limited to 'src/mess/drivers/comp4.c')
-rw-r--r-- | src/mess/drivers/comp4.c | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/src/mess/drivers/comp4.c b/src/mess/drivers/comp4.c deleted file mode 100644 index de9bbc53a6d..00000000000 --- a/src/mess/drivers/comp4.c +++ /dev/null @@ -1,225 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:hap -/*************************************************************************** - - Milton Bradley Comp IV - * TMC0904NL CP0904A (die labeled 4A0970D-04A) - - This is small tabletop Mastermind game; a code-breaking game where the player - needs to find out the correct sequence of colours (numbers in our case). - It is known as Logic 5 in Europe, and as Pythaligoras in Japan. - - Press the R key to start, followed by a set of unique numbers and E. - Refer to the official manual for more information. - - - TODO: - - MCU clock is unknown - -***************************************************************************/ - -#include "emu.h" -#include "cpu/tms0980/tms0980.h" - -#include "comp4.lh" - -// master clock is unknown, the value below is an approximation -#define MASTER_CLOCK (250000) - - -class comp4_state : public driver_device -{ -public: - comp4_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_button_matrix(*this, "IN") - { } - - required_device<cpu_device> m_maincpu; - required_ioport_array<3> m_button_matrix; - - UINT16 m_o; - - UINT16 m_display_state; - UINT8 m_display_decay[0x10]; - - DECLARE_READ8_MEMBER(read_k); - DECLARE_WRITE16_MEMBER(write_o); - DECLARE_WRITE16_MEMBER(write_r); - - TIMER_DEVICE_CALLBACK_MEMBER(display_decay_tick); - void display_update(); - - virtual void machine_start(); -}; - - -/*************************************************************************** - - LED Display - -***************************************************************************/ - -// The device strobes the outputs very fast, it is unnoticeable to the user. -// To prevent flickering here, we need to simulate a decay. - -// decay time, in steps of 1ms -#define DISPLAY_DECAY_TIME 25 - -void comp4_state::display_update() -{ - for (int i = 0; i < 0x10; i++) - { - // turn on powered segments - if (m_display_state >> i & 1) - m_display_decay[i] = DISPLAY_DECAY_TIME; - - // send to output - output_set_lamp_value(i, (m_display_decay[i] != 0) ? 1 : 0); - } -} - -TIMER_DEVICE_CALLBACK_MEMBER(comp4_state::display_decay_tick) -{ - // slowly turn off unpowered segments - for (int i = 0; i < 0x10; i++) - if (!(m_display_state >> i & 1) && m_display_decay[i]) - m_display_decay[i]--; - - display_update(); -} - - - -/*************************************************************************** - - I/O - -***************************************************************************/ - -READ8_MEMBER(comp4_state::read_k) -{ - UINT8 k = 0; - - // read selected button rows - for (int i = 0; i < 3; i++) - if (m_o >> (i+1) & 1) - k |= m_button_matrix[i]->read(); - - return k; -} - -WRITE16_MEMBER(comp4_state::write_r) -{ - // LEDs: - // R4 R9 - // R10! R8 - // R2 R7 - // R1 R6 - // R0 R5 - m_display_state = data; - display_update(); -} - -WRITE16_MEMBER(comp4_state::write_o) -{ - // O0: LEDs common (always writes 1) - // O1-O3: input mux - // other bits: N/C - m_o = data; -} - - - -/*************************************************************************** - - Inputs - -***************************************************************************/ - -static INPUT_PORTS_START( comp4 ) - PORT_START("IN.0") // O1 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_R) PORT_CODE(KEYCODE_DEL) PORT_CODE(KEYCODE_DEL_PAD) PORT_NAME("R") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_1) PORT_CODE(KEYCODE_1_PAD) PORT_NAME("1") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_4) PORT_CODE(KEYCODE_4_PAD) PORT_NAME("4") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_7) PORT_CODE(KEYCODE_7_PAD) PORT_NAME("7") - - PORT_START("IN.1") // O2 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_0) PORT_CODE(KEYCODE_0_PAD) PORT_NAME("0") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_2) PORT_CODE(KEYCODE_2_PAD) PORT_NAME("2") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_5) PORT_CODE(KEYCODE_5_PAD) PORT_NAME("5") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_8) PORT_CODE(KEYCODE_8_PAD) PORT_NAME("8") - - PORT_START("IN.2") // O3 - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_E) PORT_CODE(KEYCODE_ENTER) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("E") - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_3) PORT_CODE(KEYCODE_3_PAD) PORT_NAME("3") - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_6) PORT_CODE(KEYCODE_6_PAD) PORT_NAME("6") - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYPAD ) PORT_CODE(KEYCODE_9) PORT_CODE(KEYCODE_9_PAD) PORT_NAME("9") -INPUT_PORTS_END - - - -/*************************************************************************** - - Machine Config - -***************************************************************************/ - -void comp4_state::machine_start() -{ - // zerofill - m_display_state = 0; - memset(m_display_decay, 0, sizeof(m_display_decay)); - - m_o = 0; - - // register for savestates - save_item(NAME(m_display_state)); - save_item(NAME(m_display_decay)); - - save_item(NAME(m_o)); -} - - -static MACHINE_CONFIG_START( comp4, comp4_state ) - - /* basic machine hardware */ - MCFG_CPU_ADD("maincpu", TMS0970, MASTER_CLOCK) - MCFG_TMS1XXX_READ_K_CB(READ8(comp4_state, read_k)) - MCFG_TMS1XXX_WRITE_O_CB(WRITE16(comp4_state, write_o)) - MCFG_TMS1XXX_WRITE_R_CB(WRITE16(comp4_state, write_r)) - - MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", comp4_state, display_decay_tick, attotime::from_msec(1)) - - MCFG_DEFAULT_LAYOUT(layout_comp4) - - /* no video! */ - - /* no sound! */ -MACHINE_CONFIG_END - - - -/*************************************************************************** - - Game driver(s) - -***************************************************************************/ - -ROM_START( comp4 ) - ROM_REGION( 0x0400, "maincpu", 0 ) - ROM_LOAD( "tmc0904nl_cp0904a", 0x0000, 0x0400, CRC(6233ee1b) SHA1(738e109b38c97804b4ec52bed80b00a8634ad453) ) - - ROM_REGION( 782, "maincpu:ipla", 0 ) - ROM_LOAD( "tms0970_default_ipla.pla", 0, 782, CRC(e038fc44) SHA1(dfc280f6d0a5828d1bb14fcd59ac29caf2c2d981) ) - ROM_REGION( 860, "maincpu:mpla", 0 ) - ROM_LOAD( "tms0970_comp4_mpla.pla", 0, 860, CRC(ee9d7d9e) SHA1(25484e18f6a07f7cdb21a07220e2f2a82fadfe7b) ) - ROM_REGION( 352, "maincpu:opla", 0 ) - ROM_LOAD( "tms0970_comp4_opla.pla", 0, 352, CRC(a0f887d1) SHA1(3c666663d484d5bed81e1014f8715aab8a3d489f) ) - ROM_REGION( 157, "maincpu:spla", 0 ) - ROM_LOAD( "tms0970_comp4_spla.pla", 0, 157, CRC(e5bddd90) SHA1(4b1c6512c70e5bcd23c2dbf0c88cd8aa2c632a10) ) -ROM_END - - -CONS( 1977, comp4, 0, 0, comp4, comp4, driver_device, 0, "Milton Bradley", "Comp IV", GAME_SUPPORTS_SAVE | GAME_NO_SOUND_HW ) |