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https://github.com/holub/mame
synced 2025-04-23 08:49:55 +03:00
chqflag.c: convert to bankdev (nw)
This commit is contained in:
Alex W. Jackson
parent
e452536274
commit
11fac811bf
@ -31,41 +31,34 @@ TIMER_DEVICE_CALLBACK_MEMBER(chqflag_state::chqflag_scanline)
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m_maincpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE);
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}
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WRITE8_MEMBER(chqflag_state::chqflag_bankswitch_w)
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/* these trampolines are less confusing than nested address_map_bank_devices */
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READ8_MEMBER(chqflag_state::k051316_1_ramrom_r)
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{
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m_bank = data; //needed to restore the bankswitch post load
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int bankaddress;
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UINT8 *RAM = memregion("maincpu")->base();
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/* bits 0-4 = ROM bank # (0x00-0x11) */
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bankaddress = 0x10000 + (data & 0x1f) * 0x4000;
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membank("bank4")->set_base(&RAM[bankaddress]);
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/* bit 5 = memory bank select */
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if (data & 0x20)
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{
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space.install_read_bank(0x1800, 0x1fff, "bank5");
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space.install_write_handler(0x1800, 0x1fff, write8_delegate(FUNC(palette_device::write),m_palette.target()));
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membank("bank5")->set_base(m_paletteram);
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if (m_k051316_readroms)
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space.install_readwrite_handler(0x1000, 0x17ff, read8_delegate(FUNC(k051316_device::rom_r), (k051316_device*)m_k051316_1), write8_delegate(FUNC(k051316_device::write), (k051316_device*)m_k051316_1)); /* 051316 #1 (ROM test) */
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else
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space.install_readwrite_handler(0x1000, 0x17ff, read8_delegate(FUNC(k051316_device::read), (k051316_device*)m_k051316_1), write8_delegate(FUNC(k051316_device::write), (k051316_device*)m_k051316_1)); /* 051316 #1 */
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}
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if (m_k051316_readroms)
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return m_k051316_1->rom_r(space, offset);
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else
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{
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space.install_readwrite_bank(0x1000, 0x17ff, "bank1"); /* RAM */
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space.install_readwrite_bank(0x1800, 0x1fff, "bank2"); /* RAM */
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}
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/* other bits unknown/unused */
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return m_k051316_1->read(space, offset);
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}
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void chqflag_state::bankswitch_restore()
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READ8_MEMBER(chqflag_state::k051316_2_ramrom_r)
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{
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chqflag_bankswitch_w(m_maincpu->space(AS_PROGRAM), 0, m_bank);
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if (m_k051316_readroms)
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return m_k051316_2->rom_r(space, offset);
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else
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return m_k051316_2->read(space, offset);
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}
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WRITE8_MEMBER(chqflag_state::chqflag_bankswitch_w)
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{
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/* bits 0-4 = ROM bank # (0x00-0x11) */
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int bankaddress = data & 0x1f;
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if (bankaddress < (0x50000 / 0x4000))
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m_rombank->set_entry(bankaddress);
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/* bit 5 = select work RAM or k051316 + palette */
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m_bank1000->set_bank((data & 0x20) >> 5);
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/* other bits unknown/unused */
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}
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WRITE8_MEMBER(chqflag_state::chqflag_vreg_w)
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@ -77,11 +70,6 @@ WRITE8_MEMBER(chqflag_state::chqflag_vreg_w)
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/* bit 4 = enable rom reading through K051316 #1 & #2 */
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m_k051316_readroms = (data & 0x10);
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if (m_k051316_readroms)
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space.install_read_handler(0x2800, 0x2fff, read8_delegate(FUNC(k051316_device::rom_r), (k051316_device*)m_k051316_2)); /* 051316 (ROM test) */
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else
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space.install_read_handler(0x2800, 0x2fff, read8_delegate(FUNC(k051316_device::read), (k051316_device*)m_k051316_2)); /* 051316 */
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/* Bits 3-7 probably control palette dimming in a similar way to TMNT2/Sunset Riders, */
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/* however I don't have enough evidence to determine the exact behaviour. */
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/* Bits 3 and 7 are set in night stages, where the background should get darker and */
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@ -139,13 +127,12 @@ WRITE8_MEMBER(chqflag_state::chqflag_sh_irqtrigger_w)
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/****************************************************************************/
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static ADDRESS_MAP_START( chqflag_map, AS_PROGRAM, 8, chqflag_state )
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AM_RANGE(0x0000, 0x0fff) AM_RAM /* RAM */
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AM_RANGE(0x1000, 0x17ff) AM_RAMBANK("bank1") /* banked RAM (RAM/051316 (chip 1)) */
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AM_RANGE(0x1800, 0x1fff) AM_RAMBANK("bank2") /* palette + RAM */
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AM_RANGE(0x2000, 0x2007) AM_DEVREADWRITE("k051960", k051960_device, k051937_r, k051937_w) /* Sprite control registers */
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AM_RANGE(0x2400, 0x27ff) AM_DEVREADWRITE("k051960", k051960_device, k051960_r, k051960_w) /* Sprite RAM */
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AM_RANGE(0x2800, 0x2fff) AM_READ_BANK("bank3") AM_DEVWRITE("k051316_2", k051316_device, write) /* 051316 zoom/rotation (chip 2) */
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AM_RANGE(0x3000, 0x3000) AM_WRITE(soundlatch_byte_w) /* sound code # */
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AM_RANGE(0x0000, 0x0fff) AM_RAM
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AM_RANGE(0x1000, 0x1fff) AM_DEVICE("bank1000", address_map_bank_device, amap8)
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AM_RANGE(0x2000, 0x2007) AM_DEVREADWRITE("k051960", k051960_device, k051937_r, k051937_w) /* Sprite control registers */
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AM_RANGE(0x2400, 0x27ff) AM_DEVREADWRITE("k051960", k051960_device, k051960_r, k051960_w) /* Sprite RAM */
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AM_RANGE(0x2800, 0x2fff) AM_READ(k051316_2_ramrom_r) AM_DEVWRITE("k051316_2", k051316_device, write) /* 051316 zoom/rotation (chip 2) */
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AM_RANGE(0x3000, 0x3000) AM_WRITE(soundlatch_byte_w) /* sound code # */
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AM_RANGE(0x3001, 0x3001) AM_WRITE(chqflag_sh_irqtrigger_w) /* cause interrupt on audio CPU */
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AM_RANGE(0x3002, 0x3002) AM_WRITE(chqflag_bankswitch_w) /* bankswitch control */
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AM_RANGE(0x3003, 0x3003) AM_WRITE(chqflag_vreg_w) /* enable K051316 ROM reading */
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@ -160,10 +147,17 @@ static ADDRESS_MAP_START( chqflag_map, AS_PROGRAM, 8, chqflag_state )
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AM_RANGE(0x3700, 0x3700) AM_WRITE(select_analog_ctrl_w) /* select accelerator/wheel */
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AM_RANGE(0x3701, 0x3701) AM_READ_PORT("IN2") /* Brake + Shift + ? */
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AM_RANGE(0x3702, 0x3702) AM_READWRITE(analog_read_r, select_analog_ctrl_w) /* accelerator/wheel */
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AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("bank4") /* banked ROM */
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AM_RANGE(0x8000, 0xffff) AM_ROM /* ROM */
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AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("rombank") /* banked ROM */
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AM_RANGE(0x8000, 0xffff) AM_ROM AM_REGION("maincpu", 0x48000) /* ROM */
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ADDRESS_MAP_END
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static ADDRESS_MAP_START( bank1000_map, AS_PROGRAM, 8, chqflag_state )
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AM_RANGE(0x0000, 0x0fff) AM_RAM
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AM_RANGE(0x1000, 0x17ff) AM_READ(k051316_1_ramrom_r) AM_DEVWRITE("k051316_1", k051316_device, write)
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AM_RANGE(0x1800, 0x1fff) AM_RAM_DEVWRITE("palette", palette_device, write) AM_SHARE("palette")
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ADDRESS_MAP_END
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WRITE8_MEMBER(chqflag_state::k007232_bankswitch_w)
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{
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int bank_A, bank_B;
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@ -275,21 +269,13 @@ WRITE8_MEMBER(chqflag_state::volume_callback1)
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void chqflag_state::machine_start()
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{
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UINT8 *ROM = memregion("maincpu")->base();
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m_rombank->configure_entries(0, 0x50000 / 0x4000, memregion("maincpu")->base(), 0x4000);
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membank("bank1")->configure_entries(0, 4, &ROM[0x10000], 0x2000);
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m_paletteram.resize(m_palette->entries() * 2);
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m_palette->basemem().set(m_paletteram, ENDIANNESS_BIG, 2);
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save_item(NAME(m_paletteram));
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save_item(NAME(m_k051316_readroms));
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save_item(NAME(m_last_vreg));
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save_item(NAME(m_analog_ctrl));
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save_item(NAME(m_accel));
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save_item(NAME(m_wheel));
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save_item(NAME(m_bank));
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machine().save().register_postload(save_prepost_delegate(FUNC(chqflag_state::bankswitch_restore), this));
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}
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void chqflag_state::machine_reset()
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@ -299,7 +285,6 @@ void chqflag_state::machine_reset()
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m_analog_ctrl = 0;
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m_accel = 0;
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m_wheel = 0;
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m_bank = 0;
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}
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static MACHINE_CONFIG_START( chqflag, chqflag_state )
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@ -312,6 +297,13 @@ static MACHINE_CONFIG_START( chqflag, chqflag_state )
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MCFG_CPU_ADD("audiocpu", Z80, XTAL_3_579545MHz) /* verified on pcb */
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MCFG_CPU_PROGRAM_MAP(chqflag_sound_map)
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MCFG_DEVICE_ADD("bank1000", ADDRESS_MAP_BANK, 0)
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MCFG_DEVICE_PROGRAM_MAP(bank1000_map)
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MCFG_ADDRESS_MAP_BANK_ENDIANNESS(ENDIANNESS_BIG)
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MCFG_ADDRESS_MAP_BANK_DATABUS_WIDTH(8)
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MCFG_ADDRESS_MAP_BANK_ADDRBUS_WIDTH(13)
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MCFG_ADDRESS_MAP_BANK_STRIDE(0x1000)
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MCFG_QUANTUM_TIME(attotime::from_hz(600))
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/* video hardware */
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@ -368,13 +360,11 @@ static MACHINE_CONFIG_START( chqflag, chqflag_state )
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MACHINE_CONFIG_END
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ROM_START( chqflag )
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ROM_REGION( 0x58000, "maincpu", 0 ) /* 052001 code */
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ROM_LOAD( "717h02", 0x050000, 0x008000, CRC(f5bd4e78) SHA1(7bab02152d055a6c3a322c88e7ee0b85a39d8ef2) ) /* banked ROM */
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ROM_CONTINUE( 0x008000, 0x008000 ) /* fixed ROM */
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ROM_LOAD( "717e10", 0x010000, 0x040000, CRC(72fc56f6) SHA1(433ea9a33f0230e046c731c70060f6a38db14ac7) ) /* banked ROM */
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/* extra memory for banked RAM */
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ROM_REGION( 0x50000, "maincpu", 0 ) /* 052001 code */
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ROM_LOAD( "717e10", 0x00000, 0x40000, CRC(72fc56f6) SHA1(433ea9a33f0230e046c731c70060f6a38db14ac7) )
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ROM_LOAD( "717h02", 0x40000, 0x10000, CRC(f5bd4e78) SHA1(7bab02152d055a6c3a322c88e7ee0b85a39d8ef2) )
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ROM_REGION( 0x10000, "audiocpu", 0 ) /* 64k for the SOUND CPU */
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ROM_REGION( 0x08000, "audiocpu", 0 ) /* Z80 code */
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ROM_LOAD( "717e01", 0x000000, 0x008000, CRC(966b8ba8) SHA1(ab7448cb61fa5922b1d8ae5f0d0f42d734ed4f93) )
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ROM_REGION( 0x100000, "k051960", 0 ) /* sprites */
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@ -398,13 +388,11 @@ ROM_START( chqflag )
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ROM_END
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ROM_START( chqflagj )
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ROM_REGION( 0x58000, "maincpu", 0 ) /* 052001 code */
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ROM_LOAD( "717j02.bin", 0x050000, 0x008000, CRC(05355daa) SHA1(130ddbc289c077565e44f33c63a63963e6417e19) ) /* banked ROM */
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ROM_CONTINUE( 0x008000, 0x008000 ) /* fixed ROM */
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ROM_LOAD( "717e10", 0x010000, 0x040000, CRC(72fc56f6) SHA1(433ea9a33f0230e046c731c70060f6a38db14ac7) ) /* banked ROM */
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/* extra memory for banked RAM */
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ROM_REGION( 0x50000, "maincpu", 0 ) /* 052001 code */
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ROM_LOAD( "717e10", 0x00000, 0x40000, CRC(72fc56f6) SHA1(433ea9a33f0230e046c731c70060f6a38db14ac7) )
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ROM_LOAD( "717j02.bin", 0x40000, 0x10000, CRC(05355daa) SHA1(130ddbc289c077565e44f33c63a63963e6417e19) )
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ROM_REGION( 0x10000, "audiocpu", 0 ) /* 64k for the SOUND CPU */
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ROM_REGION( 0x08000, "audiocpu", 0 ) /* Z80 code */
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ROM_LOAD( "717e01", 0x000000, 0x008000, CRC(966b8ba8) SHA1(ab7448cb61fa5922b1d8ae5f0d0f42d734ed4f93) )
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ROM_REGION( 0x100000, "k051960", 0 ) /* sprites */
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@ -3,6 +3,7 @@
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Chequered Flag
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*************************************************************************/
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#include "machine/bankdev.h"
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#include "sound/k007232.h"
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#include "video/k051960.h"
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#include "video/k051316.h"
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@ -16,16 +17,14 @@ public:
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: driver_device(mconfig, type, tag),
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m_maincpu(*this, "maincpu"),
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m_audiocpu(*this, "audiocpu"),
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m_bank1000(*this, "bank1000"),
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m_k007232_1(*this, "k007232_1"),
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m_k007232_2(*this, "k007232_2"),
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m_k051960(*this, "k051960"),
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m_k051316_1(*this, "k051316_1"),
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m_k051316_2(*this, "k051316_2"),
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m_palette(*this, "palette") { }
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/* memory pointers */
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UINT8 * m_ram;
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dynamic_array<UINT8> m_paletteram;
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m_palette(*this, "palette"),
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m_rombank(*this, "rombank") { }
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/* video-related */
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int m_zoom_colorbase[2];
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@ -37,11 +36,11 @@ public:
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int m_analog_ctrl;
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int m_accel;
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int m_wheel;
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int m_bank;
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/* devices */
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required_device<cpu_device> m_maincpu;
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required_device<cpu_device> m_audiocpu;
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required_device<address_map_bank_device> m_bank1000;
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required_device<k007232_device> m_k007232_1;
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required_device<k007232_device> m_k007232_2;
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required_device<k051960_device> m_k051960;
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@ -49,6 +48,11 @@ public:
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required_device<k051316_device> m_k051316_2;
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required_device<palette_device> m_palette;
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/* memory pointers */
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required_memory_bank m_rombank;
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DECLARE_READ8_MEMBER(k051316_1_ramrom_r);
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DECLARE_READ8_MEMBER(k051316_2_ramrom_r);
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DECLARE_WRITE8_MEMBER(chqflag_bankswitch_w);
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DECLARE_WRITE8_MEMBER(chqflag_vreg_w);
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DECLARE_WRITE8_MEMBER(select_analog_ctrl_w);
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@ -66,5 +70,4 @@ public:
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K051316_CB_MEMBER(zoom_callback_1);
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K051316_CB_MEMBER(zoom_callback_2);
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K051960_CB_MEMBER(sprite_callback);
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void bankswitch_restore();
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};
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