diff options
Diffstat (limited to 'src/mess/drivers/stopthie.c')
-rw-r--r-- | src/mess/drivers/stopthie.c | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/src/mess/drivers/stopthie.c b/src/mess/drivers/stopthie.c index 3d7fac66e77..c30943e7bb0 100644 --- a/src/mess/drivers/stopthie.c +++ b/src/mess/drivers/stopthie.c @@ -3,14 +3,17 @@ /*************************************************************************** Parker Brothers Stop Thief - * MP0905BNL TMS0980NLL MP6101B (die labeled 0980B-01A) + * TMS0980NLL MP6101B (die labeled 0980B-01A) - bla + Stop Thief is actually a board game, the electronic device emulated here + (called Electronic Crime Scanner) is an accessory. To start a game, press + the ON button. Otherwise, it is in test-mode where you can hear all sounds. TODO: - ON/OFF button callbacks - MCU clock is unknown + - stopthiep: unable to start a game (may be intentional?) ***************************************************************************/ @@ -21,7 +24,7 @@ #include "stopthie.lh" // master clock is unknown, the value below is an approximation -#define MASTER_CLOCK (350000) +#define MASTER_CLOCK (425000) class stopthief_state : public driver_device @@ -38,7 +41,6 @@ public: required_ioport_array<3> m_button_matrix; required_device<speaker_sound_device> m_speaker; - UINT16 m_r; UINT16 m_o; UINT16 m_leds_state[0x10]; @@ -136,22 +138,20 @@ READ8_MEMBER(stopthief_state::read_k) WRITE16_MEMBER(stopthief_state::write_r) { // R0-R2: select digit - UINT8 o = BITSWAP8(m_o,3,5,0,6,7,2,1,4) & 0x7f; - for (int i = 0; i < 10; i++) + UINT8 o = BITSWAP8(m_o,3,5,2,1,4,0,6,7) & 0x7f; + for (int i = 0; i < 3; i++) m_leds_state[i] = (data >> i & 1) ? o : 0; leds_update(); - // R3-..: sound - - - m_r = data; + // R3-R8: speaker on + m_speaker->level_w((data & 0x1f8 && m_o & 8) ? 1 : 0); } WRITE16_MEMBER(stopthief_state::write_o) { // O0,O6: input mux - // O3: sound on + // O3: speaker out // O0-O2,O4-O7: led segments A-G m_o = data; } @@ -210,13 +210,11 @@ void stopthief_state::machine_start() memset(m_leds_state, 0, sizeof(m_leds_state)); memset(m_leds_cache, 0, sizeof(m_leds_cache)); memset(m_leds_decay, 0, sizeof(m_leds_decay)); - m_r = 0; m_o = 0; save_item(NAME(m_leds_state)); save_item(NAME(m_leds_cache)); save_item(NAME(m_leds_decay)); - save_item(NAME(m_r)); save_item(NAME(m_o)); } @@ -251,7 +249,7 @@ MACHINE_CONFIG_END ROM_START( stopthie ) ROM_REGION( 0x1000, "maincpu", 0 ) - ROM_LOAD( "tms0980nll_mp6101b", 0x0000, 0x1000, CRC(5b4114af) SHA1(30a9b20dd5f0d57ed34c53e46f5adbf959d47828) ) + ROM_LOAD( "tms0980nll_mp6101b", 0x0000, 0x1000, CRC(8bde5bb4) SHA1(8c318fcce67acc24c7ae361f575f28ec6f94665a) ) ROM_REGION( 1246, "maincpu:ipla", 0 ) ROM_LOAD( "tms0980_default_ipla.pla", 0, 1246, CRC(42db9a38) SHA1(2d127d98028ec8ec6ea10c179c25e447b14ba4d0) ) @@ -265,8 +263,7 @@ ROM_END ROM_START( stopthiep ) ROM_REGION( 0x1000, "maincpu", 0 ) - ROM_LOAD16_WORD( "us4341385", 0x0000, 0x1000, CRC(03691115) SHA1(bdcd212aa50bb1c26cb2d0ee97e5cfc04841c108) ) // from patent US4341385, data should be correct (it included checksums) - // TODO: put in 0980 proper order + ROM_LOAD16_WORD( "us4341385", 0x0000, 0x1000, CRC(07aec38a) SHA1(0a3d0956495c0d6d9ea771feae6c14a473a800dc) ) // from patent US4341385, data should be correct (it included checksums) ROM_REGION( 1246, "maincpu:ipla", 0 ) ROM_LOAD( "tms0980_default_ipla.pla", 0, 1246, CRC(42db9a38) SHA1(2d127d98028ec8ec6ea10c179c25e447b14ba4d0) ) @@ -279,5 +276,5 @@ ROM_START( stopthiep ) ROM_END -CONS( 1979, stopthie, 0, 0, stopthief, stopthief, driver_device, 0, "Parker Brothers", "Stop Thief (Electronic Crime Scanner)", GAME_SUPPORTS_SAVE | GAME_NOT_WORKING ) +CONS( 1979, stopthie, 0, 0, stopthief, stopthief, driver_device, 0, "Parker Brothers", "Stop Thief (Electronic Crime Scanner)", GAME_SUPPORTS_SAVE ) CONS( 1979, stopthiep, stopthie, 0, stopthief, stopthief, driver_device, 0, "Parker Brothers", "Stop Thief (Electronic Crime Scanner) (prototype)", GAME_SUPPORTS_SAVE | GAME_NOT_WORKING ) |