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chmate: berger identified xtal (nw)

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hap 2019-07-28 21:42:12 +02:00
parent 998d8e751f
commit eaec3c0e87
1 changed files with 2 additions and 3 deletions
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5
src/mame/drivers/chessmate.cpp
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@ -16,7 +16,6 @@ one jukebox shape, and one brick shape. The one in MAME came from the jukebox, b
models have the same ROMs. models have the same ROMs.
TODO: TODO:
- XTAL is unknown, result frequency of 1MHz is correct
- is there an older version of chmate? chips on pcb photos are dated 1979, but - is there an older version of chmate? chips on pcb photos are dated 1979, but
the game is known to be released in 1978 the game is known to be released in 1978
@ -267,10 +266,10 @@ INPUT_PORTS_END
void chmate_state::chmate(machine_config &config) void chmate_state::chmate(machine_config &config)
{ {
/* basic machine hardware */ /* basic machine hardware */
M6504(config, m_maincpu, 1000000); M6504(config, m_maincpu, 8_MHz_XTAL/8);
m_maincpu->set_addrmap(AS_PROGRAM, &chmate_state::main_map); m_maincpu->set_addrmap(AS_PROGRAM, &chmate_state::main_map);
MOS6530(config, m_miot, 1000000); MOS6530(config, m_miot, 8_MHz_XTAL/8);
m_miot->in_pa_callback().set(FUNC(chmate_state::input_r)); m_miot->in_pa_callback().set(FUNC(chmate_state::input_r));
m_miot->out_pa_callback().set(FUNC(chmate_state::digit_w)); m_miot->out_pa_callback().set(FUNC(chmate_state::digit_w));
m_miot->out_pb_callback().set(FUNC(chmate_state::control_w)); m_miot->out_pb_callback().set(FUNC(chmate_state::control_w));