diff --git a/src/mess/drivers/elecbowl.c b/src/mess/drivers/elecbowl.c
index ae1e750924a..273be7435d3 100644
--- a/src/mess/drivers/elecbowl.c
+++ b/src/mess/drivers/elecbowl.c
@@ -5,15 +5,26 @@
** subclass of hh_tms1k_state (includes/hh_tms1k.h, drivers/hh_tms1k.c) **
Marx Series 300 Electronic Bowling Game
+ Main board:
* TMS1100NLL MP3403 DBS 7836 SINGAPORE
+ * 4*SN75492 quad segment driver, 2*SN74259 8-line demultiplexer,
+ 2*CD4043 quad r/s input latch
+ * 5 7seg LEDs, 15 lamps(10 lamps projected to bowling pins reflection),
+ 1bit-sound with crude volume control
+ * edge connector to sensor board, inputs, ...?
- 10 lamps for bowling pins + 3 more bulbs, and 7segs for frame number and
- scores. Board size is 10-12" by 6-8".
+ lamp translation table: SN74259.u5(mux 1) goes to MESS output lamp5x,
+ SN74259.u6(mux 2) goes to MESS output lamp6x. u1-u3 are SN75492 ICs,
+ where other: u1 A2 is N/C, u3 A1 is from O2 and goes to digits seg C.
- some clues:
- - it's from 1978
- - Merlin is MP3404, Amaze-A-Tron is MP3405, this one is MP3403
- - it plays some short jingles (you need to be lucky with button mashing)
+ u5 Q0 -> u1 A4 -> L2 (pin #2) u6 Q0 -> u3 A4 -> L1 (pin #1)
+ u5 Q1 -> u1 A5 -> L4 (pin #4) u6 Q1 -> u3 A5 -> L5 (pin #5)
+ u5 Q2 -> u1 A6 -> L7 (pin #7) u6 Q2 -> u2 A3 -> L11 (player 1)
+ u5 Q3 -> u1 A1 -> L8 (pin #8) u6 Q3 -> u2 A2 -> L12 (player 2)
+ u5 Q4 -> u3 A2 -> L3 (pin #3) u6 Q4 -> u2 A1 -> L15 (?)
+ u5 Q5 -> u2 A6 -> L6 (pin #6) u6 Q5 -> u3 A6 -> L14 (?)
+ u5 Q6 -> u2 A5 -> L10 (pin #10) u6 Q6 -> u1 A3 -> L13 (spare)
+ u5 Q7 -> u2 A4 -> L9 (pin #9) u6 Q7 -> u3 A3 -> digit 4 B+C
***************************************************************************/
@@ -28,15 +39,43 @@ public:
: hh_tms1k_state(mconfig, type, tag)
{ }
+ void prepare_display();
DECLARE_WRITE16_MEMBER(write_r);
DECLARE_WRITE16_MEMBER(write_o);
DECLARE_READ8_MEMBER(read_k);
-
-protected:
- virtual void machine_start();
};
+/***************************************************************************
+
+ Display
+
+***************************************************************************/
+
+void elecbowl_state::prepare_display()
+{
+ // standard 7segs
+ for (int y = 0; y < 4; y++)
+ {
+ m_display_segmask[y] = 0x7f;
+ m_display_state[y] = (m_r >> (y + 4) & 1) ? m_o : 0;
+ }
+
+ // lamp muxes
+ UINT8 d = m_r >> 1 & 1;
+ m_display_state[5] = (m_r & 1) ? (d << (m_o & 7)) : 0;
+ m_display_state[6] = (m_r >> 2 & 1) ? (d << (m_o & 7)) : 0;
+
+ // digit 4 is from u6 Q7
+ m_display_segmask[4] = 6;
+ m_display_state[4] = (m_display_state[6] & 0x80) ? 6 : 0;
+
+ set_display_size(8, 7);
+ display_update();
+}
+
+
+
/***************************************************************************
I/O
@@ -45,19 +84,29 @@ protected:
WRITE16_MEMBER(elecbowl_state::write_r)
{
- // R4-R7: input mux
- m_inp_mux = data >> 4 & 0xf;
+ // R5-R7,R10: input mux
+ m_inp_mux = (data >> 5 & 7) | (data >> 7 & 8);
// R9: speaker out
+ // R3,R8: speaker volume..
m_speaker->level_w(data >> 9 & 1);
- // R10: maybe a switch or other button row?
- // others: ?
+ // R4-R7: select digit
+ // R0,R2: lamp muxes enable
+ // R1: lamp muxes state
+ m_r = data;
+ prepare_display();
}
WRITE16_MEMBER(elecbowl_state::write_o)
{
- // ?
+ // O0-O2: lamp mux
+ // O0-O6: digit segments A-G
+ // O7: N/C
+ //if (data & 0x80) printf("%X ",data&0x7f);
+
+ m_o = data & 0x7f;
+ prepare_display();
}
READ8_MEMBER(elecbowl_state::read_k)
@@ -74,25 +123,25 @@ READ8_MEMBER(elecbowl_state::read_k)
***************************************************************************/
static INPUT_PORTS_START( elecbowl )
- PORT_START("IN.0") // R4
+ PORT_START("IN.0") // R5
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4)
- PORT_START("IN.1") // R5
+ PORT_START("IN.1") // R6
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E)
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R)
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) // reset/newgame?
- PORT_START("IN.2") // R6
+ PORT_START("IN.2") // R7
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D)
- PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) // reset/newgame?
+ PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F)
- PORT_START("IN.3") // R7
+ PORT_START("IN.3") // R10
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C)
@@ -107,30 +156,35 @@ INPUT_PORTS_END
***************************************************************************/
-void elecbowl_state::machine_start()
-{
- hh_tms1k_state::machine_start();
-}
-
-
+// output PLA is not dumped
static const UINT16 elecbowl_output_pla[0x20] =
{
- /* O output PLA configuration currently unknown */
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
- 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f
+ lA+lB+lC+lD+lE+lF, // 0
+ lB+lC, // 1
+ lA+lB+lG+lE+lD, // 2
+ lA+lB+lG+lC+lD, // 3
+ lF+lB+lG+lC, // 4
+ lA+lF+lG+lC+lD, // 5
+ lA+lF+lG+lC+lD+lE, // 6
+ lA+lB+lC, // 7
+ lA+lB+lC+lD+lE+lF+lG, // 8
+ lA+lB+lG+lF+lC+lD, // 9
+
+ 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+ 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
+ 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f
};
static MACHINE_CONFIG_START( elecbowl, elecbowl_state )
/* basic machine hardware */
- MCFG_CPU_ADD("maincpu", TMS1100, 300000) // approximation - unknown freq
+ MCFG_CPU_ADD("maincpu", TMS1100, 350000) // RC osc. R=33K, C=100pf -> ~350kHz
MCFG_TMS1XXX_OUTPUT_PLA(elecbowl_output_pla)
MCFG_TMS1XXX_READ_K_CB(READ8(elecbowl_state, read_k))
MCFG_TMS1XXX_WRITE_R_CB(WRITE16(elecbowl_state, write_r))
MCFG_TMS1XXX_WRITE_O_CB(WRITE16(elecbowl_state, write_o))
+ MCFG_TIMER_DRIVER_ADD_PERIODIC("display_decay", hh_tms1k_state, display_decay_tick, attotime::from_msec(1))
MCFG_DEFAULT_LAYOUT(layout_elecbowl)
/* no video! */
@@ -151,7 +205,7 @@ MACHINE_CONFIG_END
ROM_START( elecbowl )
ROM_REGION( 0x0800, "maincpu", 0 )
- ROM_LOAD( "mp3403", 0x0000, 0x0800, CRC(9eabaa7d) SHA1(b1f54587ed7f2bbf3a5d49075c807296384c2b06) )
+ ROM_LOAD( "mp3403.u9", 0x0000, 0x0800, CRC(9eabaa7d) SHA1(b1f54587ed7f2bbf3a5d49075c807296384c2b06) )
ROM_REGION( 867, "maincpu:mpla", 0 )
ROM_LOAD( "tms1100_default_mpla.pla", 0, 867, BAD_DUMP CRC(62445fc9) SHA1(d6297f2a4bc7a870b76cc498d19dbb0ce7d69fec) ) // not verified
@@ -160,4 +214,4 @@ ROM_START( elecbowl )
ROM_END
-CONS( 1978, elecbowl, 0, 0, elecbowl, elecbowl, driver_device, 0, "Marx", "Electronic Bowling (Marx)", GAME_SUPPORTS_SAVE | GAME_MECHANICAL | GAME_NOT_WORKING )
+CONS( 1978, elecbowl, 0, 0, elecbowl, elecbowl, driver_device, 0, "Marx", "Electronic Bowling (Marx)", GAME_SUPPORTS_SAVE | GAME_IMPERFECT_SOUND | GAME_MECHANICAL | GAME_NOT_WORKING )
diff --git a/src/mess/layout/elecbowl.lay b/src/mess/layout/elecbowl.lay
index 3555efdccb5..1aab1670364 100644
--- a/src/mess/layout/elecbowl.lay
+++ b/src/mess/layout/elecbowl.lay
@@ -9,6 +9,11 @@
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