diff options
Diffstat (limited to 'src/mame/drivers/hh_tms1k.cpp')
-rw-r--r-- | src/mame/drivers/hh_tms1k.cpp | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/mame/drivers/hh_tms1k.cpp b/src/mame/drivers/hh_tms1k.cpp index d86910a77f8..16c189ca360 100644 --- a/src/mame/drivers/hh_tms1k.cpp +++ b/src/mame/drivers/hh_tms1k.cpp @@ -3626,7 +3626,7 @@ MACHINE_CONFIG_END * TMS1000NLL MP3208 (die label 1000C, MP3208) * SN75494N (acting as inverters), SN76477 sound * 4 sliding buttons, light bulb - + This is a 2-player electronic board game. It still needs game pieces like the original Battleship board game. @@ -3653,7 +3653,7 @@ WRITE16_MEMBER(bship_state::write_r) { // R0-R10: input mux m_inp_mux = data; - + // R4: 75494 to R12 33K to SN76477 pin 20 m_sn->slf_res_w((data & 0x10) ? RES_INF : RES_K(33)); } @@ -3664,7 +3664,7 @@ WRITE16_MEMBER(bship_state::write_o) // O0: SN76477 pin 9 m_sn->enable_w(data & 1); - + // O1: 75494 to R4 100K to SN76477 pin 18 // O2: 75494 to R3 150K to SN76477 pin 18 double o12 = RES_INF; @@ -3676,19 +3676,19 @@ WRITE16_MEMBER(bship_state::write_o) case 3: o12 = RES_2_PARALLEL(RES_K(100), RES_K(150)); break; } m_sn->vco_res_w(o12); - + // O2,O6: (TODO) to SN76477 pin 21 //m_sn->slf_cap_w(x); - + // O4: SN76477 pin 22 m_sn->vco_w(data >> 4 & 1); - + // O5: R11 27K to SN76477 pin 23 m_sn->one_shot_cap_w((data & 0x20) ? RES_K(27) : RES_INF); - + // O6: SN76477 pin 25 m_sn->mixer_b_w(data >> 6 & 1); - + // O7: 75494 to light bulb display_matrix(1, 1, data >> 7 & 1, 1); } |