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micro3d: remove obsolete underclock hack

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This commit is contained in:
hap 2025-01-14 14:25:39 +01:00
parent faeca8f255
commit 7907866577
3 changed files with 2 additions and 13 deletions
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4
src/mame/misc/micro3d.cpp
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@ -8,7 +8,7 @@
Games supported:
* F-15 Strike Eagle [3 sets]
* B.O.T.S.S. - Battle of the Solar System [2 sets]
* B.O.T.S.S.: Battle of the Solar System [2 sets]
* Tank Battle (prototype)
* Super Tank Attack (prototype)
@ -339,7 +339,7 @@ void micro3d_state::micro3d(machine_config &config)
m_audiocpu->port_out_cb<3>().set(FUNC(micro3d_state::sound_p3_w));
MC68681(config, m_duart, 3.6864_MHz_XTAL);
m_duart->irq_cb().set(FUNC(micro3d_state::duart_irq_handler));
m_duart->irq_cb().set_inputline("maincpu", M68K_IRQ_3);
m_duart->a_tx_cb().set("monitor_host", FUNC(rs232_port_device::write_txd));
m_duart->b_tx_cb().set(FUNC(micro3d_state::duart_txb));
m_duart->inport_cb().set(FUNC(micro3d_state::duart_input_r));

1
src/mame/misc/micro3d.h
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@ -177,7 +177,6 @@ private:
INTERRUPT_GEN_MEMBER(vblank);
TIMER_CALLBACK_MEMBER(mac_done_callback);
void upd7759_w(uint8_t data);
void duart_irq_handler(int state);
uint8_t duart_input_r();
void duart_output_w(uint8_t data);
void duart_txb(int state);

10
src/mame/misc/micro3d_m.cpp
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@ -32,11 +32,6 @@ static constexpr XTAL MAC_CLK = XTAL(10'000'000);
*
*************************************/
void micro3d_state::duart_irq_handler(int state)
{
m_maincpu->set_input_line(3, state);
}
void micro3d_state::duart_txb(int state)
{
if (state)
@ -481,11 +476,6 @@ void micro3d_state::init_micro3d()
/* The Am29000 program seems to rely on RAM from 0x00470000 onwards being
non-zero on a reset, otherwise the 3D object data doesn't get uploaded! */
space.write_dword(0x00470000, 0xa5a5a5a5);
/* TODO? BOTSS crashes when starting the final stage because the 68000
overwrites memory in use by the Am29000. Slowing down the 68000 slightly
avoids this */
m_maincpu->set_clock_scale(0.945f);
}
void micro3d_state::init_botss()