mirror of
https://github.com/holub/mame
synced 2025-05-22 05:38:52 +03:00
cleanup
This commit is contained in:
Michaël Banaan Ananas
parent
b6c72910d4
commit
e8ec2f32c4
@ -278,47 +278,7 @@ ROMs:
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/*************************************
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*
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* Configuration
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*
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*************************************/
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static void xboard_generic_init(running_machine &machine)
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{
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segas1x_state *state = machine.driver_data<segas1x_state>();
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/* init the FD1094 */
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fd1094_driver_init(machine, "maincpu", NULL);
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/* set the default road priority */
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state->m_road_priority = 1;
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/* reset the custom handlers and other pointers */
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memset(state->m_iochip_custom_io_r, 0, sizeof(state->m_iochip_custom_io_r));
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memset(state->m_iochip_custom_io_w, 0, sizeof(state->m_iochip_custom_io_w));
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memset(state->m_adc_reverse, 0, sizeof(state->m_adc_reverse));
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state->m_gprider_hack = 0;
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state->m_maincpu = machine.device("maincpu");
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state->m_soundcpu = machine.device("soundcpu");
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state->m_soundcpu2 = NULL;
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state->m_subcpu = machine.device("sub");
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state->m_315_5250_1 = machine.device("5250_main");
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state->save_item(NAME(state->m_iochip_force_input));
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state->save_item(NAME(state->m_vblank_irq_state));
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state->save_item(NAME(state->m_timer_irq_state));
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state->save_item(NAME(state->m_gprider_hack));
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state->save_item(NAME(state->m_iochip_regs[0]));
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state->save_item(NAME(state->m_iochip_regs[1]));
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state->save_item(NAME(state->m_adc_reverse));
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}
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/*************************************
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*
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* Initialization & interrupts
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* Interrupts
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*
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*************************************/
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@ -444,36 +404,6 @@ static READ8_HANDLER( sound_data_r )
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/*************************************
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*
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* Basic machine setup
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*
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*************************************/
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static void xboard_reset(device_t *device)
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{
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segas1x_state *state = device->machine().driver_data<segas1x_state>();
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device_set_input_line(state->m_subcpu, INPUT_LINE_RESET, PULSE_LINE);
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device->machine().scheduler().boost_interleave(attotime::zero, attotime::from_usec(100));
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}
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static MACHINE_RESET( xboard )
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{
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segas1x_state *state = machine.driver_data<segas1x_state>();
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fd1094_machine_init(machine.device("maincpu"));
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segaic16_tilemap_reset(machine, 0);
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/* hook the RESET line, which resets CPU #1 */
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m68k_set_reset_callback(machine.device("maincpu"), xboard_reset);
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/* start timers to track interrupts */
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state->m_interrupt_timer->adjust(machine.primary_screen->time_until_pos(1), 1);
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}
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/*************************************
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*
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* Input handlers
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@ -509,8 +439,8 @@ INLINE UINT16 iochip_r(running_machine &machine, int which, int port, int inputv
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UINT16 result = state->m_iochip_regs[which][port];
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/* if there's custom I/O, do that to get the input value */
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if (state->m_iochip_custom_io_r[which])
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inputval = (*state->m_iochip_custom_io_r[which])(machine, port, inputval);
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if (state->m_iochip_custom_io_r[which][port])
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inputval = (*state->m_iochip_custom_io_r[which][port])(machine, inputval);
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/* for ports 0-3, the direction is controlled 4 bits at a time by register 6 */
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if (port <= 3)
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@ -612,7 +542,7 @@ static WRITE16_HANDLER( iochip_0_w )
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case 3:
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/* Output port:
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D7: Amplifier mute control (1= sounding, 0= muted)
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D6-D0: CN D pin A17-A23 (output level 1= high, 0= low)
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D6-D0: CN D pin A17-A23 (output level 1= high, 0= low) - usually set up as lamps and coincounter
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*/
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space->machine().sound().system_enable(data & 0x80);
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break;
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@ -621,8 +551,8 @@ static WRITE16_HANDLER( iochip_0_w )
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}
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/* if there's custom I/O, handle that as well */
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if (state->m_iochip_custom_io_w[0])
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(*state->m_iochip_custom_io_w[0])(space->machine(), offset, data);
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if (state->m_iochip_custom_io_w[0][offset])
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(*state->m_iochip_custom_io_w[0][offset])(space->machine(), data);
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else if (offset <= 4)
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logerror("I/O chip 0, port %c write = %02X\n", 'A' + offset, data);
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}
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@ -670,8 +600,8 @@ static WRITE16_HANDLER( iochip_1_w )
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state->m_iochip_regs[1][offset] = data;
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/* if there's custom I/O, handle that as well */
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if (state->m_iochip_custom_io_w[1])
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(*state->m_iochip_custom_io_w[1])(space->machine(), offset, data);
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if (state->m_iochip_custom_io_w[1][offset])
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(*state->m_iochip_custom_io_w[1][offset])(space->machine(), data);
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else if (offset <= 4)
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logerror("I/O chip 1, port %c write = %02X\n", 'A' + offset, data);
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}
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@ -691,104 +621,65 @@ static WRITE16_HANDLER( iocontrol_w )
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/*************************************
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*
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* After Burner II Custom I/O
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* Custom I/O Handlers
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*
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*************************************/
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static UINT8 aburner2_iochip_0_r(running_machine &machine, int port, UINT8 data)
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static void generic_iochip0_lamps_w(running_machine &machine, UINT8 data)
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{
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switch (port)
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{
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// motor status
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case 0:
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data &= 0xc0;
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// d0: ?
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// d3: always 0?
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// d4: coin counter
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// d7: mute audio (always handled above)
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// other bits: lamps
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coin_counter_w(machine, 0, (data >> 4) & 0x01);
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// TODO
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data |= 0x3f;
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break;
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default: break;
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}
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/*
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aburner2:
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d1: altitude warning lamp
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d2: start lamp
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d5: lock on lamp
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d6: danger lamp
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in clone aburner, lamps work only in testmode?
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return data;
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*/
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output_set_lamp_value(0, (data >> 5) & 0x01);
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output_set_lamp_value(1, (data >> 6) & 0x01);
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output_set_lamp_value(2, (data >> 1) & 0x01);
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output_set_lamp_value(3, (data >> 2) & 0x01);
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}
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static void aburner2_iochip_0_w(running_machine &machine, int port, UINT8 data)
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// After Burner II
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static UINT8 aburner2_iochip0_motor_r(running_machine &machine, UINT8 data)
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{
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switch (port)
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{
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// motor control
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case 1:
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// TODO
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break;
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// unknown
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case 2:
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break;
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// lamps/coincounter
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case 3:
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// in clone aburner, lamps work only in testmode?
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output_set_lamp_value(2, (data >> 1) & 0x01); /* altitude warning lamp */
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output_set_led_value(0, (data >> 2) & 0x01); /* start lamp */
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output_set_lamp_value(0, (data >> 5) & 0x01); /* lock on lamp */
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output_set_lamp_value(1, (data >> 6) & 0x01); /* danger lamp */
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coin_counter_w(machine, 0, (data >> 4) & 0x01);
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break;
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data &= 0xc0;
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default: break;
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}
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// TODO
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return data | 0x3f;
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}
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/*************************************
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*
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* SMGP Custom I/O
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*
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*************************************/
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static UINT8 smgp_iochip_0_r(running_machine &machine, int port, UINT8 data)
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static void aburner2_iochip0_motor_w(running_machine &machine, UINT8 data)
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{
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switch (port)
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{
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// motor/air drive status
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case 0:
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data &= 0xc0;
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// TODO
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data |= 0;
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break;
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default: break;
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}
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return data;
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// TODO
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}
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static void smgp_iochip_0_w(running_machine &machine, int port, UINT8 data)
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// SMGP
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static UINT8 smgp_iochip0_motor_r(running_machine &machine, UINT8 data)
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{
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switch (port)
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{
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// motor/air drive control
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case 1:
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// TODO
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break;
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// unknown
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case 2:
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break;
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// lamps/coincounter
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case 3:
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// lamps: TODO
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coin_counter_w(machine, 0, (data >> 4) & 0x01);
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break;
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data &= 0xc0;
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default: break;
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}
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// TODO
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return data | 0x0;
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}
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static void smgp_iochip0_motor_w(running_machine &machine, UINT8 data)
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{
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// TODO
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}
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/*************************************
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*
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@ -1437,6 +1328,28 @@ GFXDECODE_END
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*
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*************************************/
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static void xboard_reset(device_t *device)
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{
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segas1x_state *state = device->machine().driver_data<segas1x_state>();
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device_set_input_line(state->m_subcpu, INPUT_LINE_RESET, PULSE_LINE);
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device->machine().scheduler().boost_interleave(attotime::zero, attotime::from_usec(100));
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}
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static MACHINE_RESET( xboard )
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{
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segas1x_state *state = machine.driver_data<segas1x_state>();
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fd1094_machine_init(machine.device("maincpu"));
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segaic16_tilemap_reset(machine, 0);
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/* hook the RESET line, which resets CPU #1 */
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m68k_set_reset_callback(machine.device("maincpu"), xboard_reset);
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/* start timers to track interrupts */
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state->m_interrupt_timer->adjust(machine.primary_screen->time_until_pos(1), 1);
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}
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static const ic_315_5250_interface segaxb_5250_1_intf =
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{
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sound_data_w, timer_ack_callback
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@ -3014,31 +2927,52 @@ ROM_END
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/*************************************
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*
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* Generic driver initialization
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* Driver initialization
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*
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*************************************/
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static DRIVER_INIT( generic_xboard )
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{
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xboard_generic_init(machine);
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segas1x_state *state = machine.driver_data<segas1x_state>();
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/* init the FD1094 */
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fd1094_driver_init(machine, "maincpu", NULL);
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/* set the default road priority */
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state->m_road_priority = 1;
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/* reset the custom handlers and other pointers */
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memset(state->m_adc_reverse, 0, sizeof(state->m_adc_reverse));
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memset(state->m_iochip_custom_io_r, 0, sizeof(state->m_iochip_custom_io_r));
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memset(state->m_iochip_custom_io_w, 0, sizeof(state->m_iochip_custom_io_w));
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state->m_iochip_custom_io_w[0][3] = generic_iochip0_lamps_w;
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state->m_gprider_hack = 0;
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state->m_maincpu = machine.device("maincpu");
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state->m_soundcpu = machine.device("soundcpu");
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state->m_soundcpu2 = NULL;
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state->m_subcpu = machine.device("sub");
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state->m_315_5250_1 = machine.device("5250_main");
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state->save_item(NAME(state->m_iochip_force_input));
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state->save_item(NAME(state->m_vblank_irq_state));
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state->save_item(NAME(state->m_timer_irq_state));
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state->save_item(NAME(state->m_gprider_hack));
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state->save_item(NAME(state->m_iochip_regs[0]));
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state->save_item(NAME(state->m_iochip_regs[1]));
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state->save_item(NAME(state->m_adc_reverse));
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}
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/*************************************
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*
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* Game-specific driver inits
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*
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*************************************/
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static DRIVER_INIT( aburner2 )
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{
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segas1x_state *state = machine.driver_data<segas1x_state>();
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xboard_generic_init(machine);
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DRIVER_INIT_CALL( generic_xboard );
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state->m_road_priority = 0;
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state->m_iochip_custom_io_r[0] = aburner2_iochip_0_r;
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state->m_iochip_custom_io_w[0] = aburner2_iochip_0_w;
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state->m_iochip_custom_io_r[0][0] = aburner2_iochip0_motor_r;
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state->m_iochip_custom_io_w[0][1] = aburner2_iochip0_motor_w;
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}
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@ -3054,7 +2988,7 @@ static DRIVER_INIT( loffire )
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{
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segas1x_state *state = machine.driver_data<segas1x_state>();
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xboard_generic_init(machine);
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DRIVER_INIT_CALL( generic_xboard );
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state->m_adc_reverse[1] = state->m_adc_reverse[3] = 1;
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/* install sync hack on core shared memory */
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@ -3066,10 +3000,10 @@ static DRIVER_INIT( smgp )
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{
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segas1x_state *state = machine.driver_data<segas1x_state>();
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xboard_generic_init(machine);
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DRIVER_INIT_CALL( generic_xboard );
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state->m_soundcpu2 = machine.device("soundcpu2");
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state->m_iochip_custom_io_r[0] = smgp_iochip_0_r;
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state->m_iochip_custom_io_w[0] = smgp_iochip_0_w;
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state->m_iochip_custom_io_r[0][0] = smgp_iochip0_motor_r;
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state->m_iochip_custom_io_w[0][1] = smgp_iochip0_motor_w;
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machine.device("maincpu")->memory().space(AS_PROGRAM)->install_legacy_readwrite_handler(0x2f0000, 0x2f3fff, FUNC(smgp_excs_r), FUNC(smgp_excs_w));
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}
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@ -3084,7 +3018,7 @@ static DRIVER_INIT( rascot )
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rom[0x5d0/2] = 0x6008;
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rom[0x606/2] = 0x4e71;
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xboard_generic_init(machine);
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DRIVER_INIT_CALL( generic_xboard );
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machine.device("sub")->memory().space(AS_PROGRAM)->install_legacy_readwrite_handler(0x0f0000, 0x0f3fff, FUNC(rascot_excs_r), FUNC(rascot_excs_w));
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}
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@ -3094,7 +3028,7 @@ static DRIVER_INIT( gprider )
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{
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segas1x_state *state = machine.driver_data<segas1x_state>();
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xboard_generic_init(machine);
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DRIVER_INIT_CALL( generic_xboard );
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state->m_gprider_hack = 1;
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}
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@ -74,8 +74,8 @@ public:
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UINT8 m_iochip_regs[2][8];
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UINT8 m_iochip_force_input;
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UINT8 (*m_iochip_custom_io_r[2])(running_machine &machine, int port, UINT8 data);
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void (*m_iochip_custom_io_w[2])(running_machine &machine, int port, UINT8 data);
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UINT8 (*m_iochip_custom_io_r[2][8])(running_machine &machine, UINT8 data);
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void (*m_iochip_custom_io_w[2][8])(running_machine &machine, UINT8 data);
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UINT8 m_adc_reverse[8];
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