diff options
Diffstat (limited to 'src/mame/drivers/renegade.c')
-rw-r--r-- | src/mame/drivers/renegade.c | 161 |
1 files changed, 49 insertions, 112 deletions
diff --git a/src/mame/drivers/renegade.c b/src/mame/drivers/renegade.c index 4c662aa1bbb..4cca4007e05 100644 --- a/src/mame/drivers/renegade.c +++ b/src/mame/drivers/renegade.c @@ -108,101 +108,46 @@ $8000 - $ffff ROM #include "includes/renegade.h" -/********************************************************************************************/ +/*************************************************************************** -const device_type RENEGADE_ADPCM = &device_creator<renegade_adpcm_device>; - -renegade_adpcm_device::renegade_adpcm_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) - : device_t(mconfig, RENEGADE_ADPCM, "Renegade ADPCM Custom", tag, owner, clock, "renegade_adpcm", __FILE__), - device_sound_interface(mconfig, *this), - m_stream(NULL), - m_current(0), - m_end(0), - m_nibble(0), - m_playing(0), - m_base(NULL) -{ -} + ADPCM sound -//------------------------------------------------- -// device_config_complete - perform any -// operations now that the configuration is -// complete -//------------------------------------------------- +***************************************************************************/ -void renegade_adpcm_device::device_config_complete() +WRITE8_MEMBER(renegade_state::adpcm_start_w) { + m_msm->reset_w(0); + m_adpcm_playing = true; } -//------------------------------------------------- -// device_start - device-specific startup -//------------------------------------------------- - -void renegade_adpcm_device::device_start() +WRITE8_MEMBER(renegade_state::adpcm_addr_w) { - m_playing = 0; - m_stream = machine().sound().stream_alloc(*this, 0, 1, clock()); - m_base = machine().root_device().memregion("adpcm")->base(); - m_adpcm.reset(); - - save_item(NAME(m_current)); - save_item(NAME(m_end)); - save_item(NAME(m_nibble)); - save_item(NAME(m_playing)); + m_adpcm_pos = (data - 0x2c) * 0x2000 * 2; + m_adpcm_end = m_adpcm_pos + 0x2000 * 2; } -//------------------------------------------------- -// sound_stream_update - handle a stream update -//------------------------------------------------- - -void renegade_adpcm_device::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) +WRITE8_MEMBER(renegade_state::adpcm_stop_w) { - stream_sample_t *dest = outputs[0]; - - while (m_playing && samples > 0) - { - int val = (m_base[m_current] >> m_nibble) & 15; - - m_nibble ^= 4; - if (m_nibble == 4) - { - m_current++; - if (m_current >= m_end) - m_playing = 0; - } - - *dest++ = m_adpcm.clock(val) << 4; - samples--; - } - while (samples > 0) - { - *dest++ = 0; - samples--; - } + m_msm->reset_w(1); + m_adpcm_playing = false; } - -WRITE8_MEMBER(renegade_adpcm_device::play_w) +WRITE_LINE_MEMBER(renegade_state::adpcm_int) { - int offs = (data - 0x2c) * 0x2000; - int len = 0x2000 * 2; - - /* kludge to avoid reading past end of ROM */ - if (offs + len > 0x20000) - len = 0x1000; + if (!m_adpcm_playing) return; - if (offs >= 0 && offs+len <= 0x20000) + if (m_adpcm_pos >= m_adpcm_end) { - m_stream->update(); - m_adpcm.reset(); - - m_current = offs; - m_end = offs + len/2; - m_nibble = 4; - m_playing = 1; + m_msm->reset_w(1); + m_adpcm_playing = false; + m_audiocpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE); } else - logerror("out of range adpcm command: 0x%02x\n", data); + { + UINT8 const data = m_adpcmrom[m_adpcm_pos / 2]; + m_msm->data_w(m_adpcm_pos & 1 ? data & 0xf : data >> 4); + m_adpcm_pos++; + } } WRITE8_MEMBER(renegade_state::sound_w) @@ -230,21 +175,17 @@ static const UINT8 kuniokun_xor_table[0x2a] = 0x68, 0x60 }; -void renegade_state::setbank() -{ - UINT8 *RAM = memregion("maincpu")->base(); - membank("bank1")->set_base(&RAM[m_bank ? 0x10000 : 0x4000]); -} - void renegade_state::machine_start() { + m_rombank->configure_entries(0, 2, memregion("maincpu")->base(), 0x4000); + + save_item(NAME(m_adpcm_pos)); + save_item(NAME(m_adpcm_end)); + save_item(NAME(m_adpcm_playing)); save_item(NAME(m_mcu_buffer)); save_item(NAME(m_mcu_input_size)); save_item(NAME(m_mcu_output_byte)); save_item(NAME(m_mcu_key)); - - save_item(NAME(m_bank)); - machine().save().register_postload(save_prepost_delegate(FUNC(renegade_state::setbank), this)); } DRIVER_INIT_MEMBER(renegade_state,renegade) @@ -605,11 +546,7 @@ CUSTOM_INPUT_MEMBER(renegade_state::mcu_status_r) WRITE8_MEMBER(renegade_state::bankswitch_w) { - if ((data & 1) != m_bank) - { - m_bank = data & 1; - setbank(); - } + m_rombank->set_entry(data & 1); } TIMER_DEVICE_CALLBACK_MEMBER(renegade_state::renegade_interrupt) @@ -632,30 +569,30 @@ WRITE8_MEMBER(renegade_state::renegade_coin_counter_w) static ADDRESS_MAP_START( renegade_map, AS_PROGRAM, 8, renegade_state ) AM_RANGE(0x0000, 0x17ff) AM_RAM - AM_RANGE(0x1800, 0x1fff) AM_RAM_WRITE(renegade_videoram2_w) AM_SHARE("videoram2") + AM_RANGE(0x1800, 0x1fff) AM_RAM_WRITE(fg_videoram_w) AM_SHARE("fg_videoram") AM_RANGE(0x2000, 0x27ff) AM_RAM AM_SHARE("spriteram") - AM_RANGE(0x2800, 0x2fff) AM_RAM_WRITE(renegade_videoram_w) AM_SHARE("videoram") + AM_RANGE(0x2800, 0x2fff) AM_RAM_WRITE(bg_videoram_w) AM_SHARE("bg_videoram") AM_RANGE(0x3000, 0x30ff) AM_RAM_DEVWRITE("palette", palette_device, write) AM_SHARE("palette") AM_RANGE(0x3100, 0x31ff) AM_RAM_DEVWRITE("palette", palette_device, write_ext) AM_SHARE("palette_ext") - AM_RANGE(0x3800, 0x3800) AM_READ_PORT("IN0") AM_WRITE(renegade_scroll0_w) /* Player#1 controls, P1,P2 start */ - AM_RANGE(0x3801, 0x3801) AM_READ_PORT("IN1") AM_WRITE(renegade_scroll1_w) /* Player#2 controls, coin triggers */ + AM_RANGE(0x3800, 0x3800) AM_READ_PORT("IN0") AM_WRITE(scroll_lsb_w) /* Player#1 controls, P1,P2 start */ + AM_RANGE(0x3801, 0x3801) AM_READ_PORT("IN1") AM_WRITE(scroll_msb_w) /* Player#2 controls, coin triggers */ AM_RANGE(0x3802, 0x3802) AM_READ_PORT("DSW2") AM_WRITE(sound_w) /* DIP2 various IO ports */ AM_RANGE(0x3803, 0x3803) AM_READ_PORT("DSW1") AM_WRITE(renegade_flipscreen_w) /* DIP1 */ AM_RANGE(0x3804, 0x3804) AM_READWRITE(mcu_r, mcu_w) AM_RANGE(0x3805, 0x3805) AM_READWRITE(mcu_reset_r, bankswitch_w) AM_RANGE(0x3806, 0x3806) AM_WRITENOP // ?? watchdog AM_RANGE(0x3807, 0x3807) AM_WRITE(renegade_coin_counter_w) - AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("bank1") + AM_RANGE(0x4000, 0x7fff) AM_ROMBANK("rombank") AM_RANGE(0x8000, 0xffff) AM_ROM ADDRESS_MAP_END static ADDRESS_MAP_START( renegade_sound_map, AS_PROGRAM, 8, renegade_state ) AM_RANGE(0x0000, 0x0fff) AM_RAM AM_RANGE(0x1000, 0x1000) AM_READ(soundlatch_byte_r) - AM_RANGE(0x1800, 0x1800) AM_WRITENOP // this gets written the same values as 0x2000 - AM_RANGE(0x2000, 0x2000) AM_DEVWRITE("adpcm", renegade_adpcm_device, play_w) + AM_RANGE(0x1800, 0x1800) AM_WRITE(adpcm_start_w) + AM_RANGE(0x2000, 0x2000) AM_WRITE(adpcm_addr_w) AM_RANGE(0x2800, 0x2801) AM_DEVREADWRITE("ymsnd", ym3526_device, read, write) - AM_RANGE(0x3000, 0x3000) AM_WRITENOP /* adpcm related? stereo pan? */ + AM_RANGE(0x3000, 0x3000) AM_WRITE(adpcm_stop_w) AM_RANGE(0x8000, 0xffff) AM_ROM ADDRESS_MAP_END @@ -866,8 +803,9 @@ GFXDECODE_END void renegade_state::machine_reset() { - m_bank = 0; - setbank(); + m_rombank->set_entry(0); + m_msm->reset_w(1); + m_adpcm_playing = 0; } @@ -905,7 +843,9 @@ static MACHINE_CONFIG_START( renegade, renegade_state ) MCFG_YM3526_IRQ_HANDLER(DEVWRITELINE("audiocpu", m6809_device, firq_line)) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) - MCFG_SOUND_ADD("adpcm", RENEGADE_ADPCM, 8000) + MCFG_SOUND_ADD("msm", MSM5205, 12000000/32) + MCFG_MSM5205_VCLK_CB(WRITELINE(renegade_state, adpcm_int)) + MCFG_MSM5205_PRESCALER_SELECTOR(MSM5205_S48_4B) /* 8kHz */ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) MACHINE_CONFIG_END @@ -916,10 +856,9 @@ MACHINE_CONFIG_END ROM_START( renegade ) - ROM_REGION( 0x14000, "maincpu", 0 ) /* 64k for code + bank switched ROM */ + ROM_REGION( 0x10000, "maincpu", 0 ) /* 64k for code + bank switched ROM */ + ROM_LOAD( "na-5.ic52", 0x00000, 0x8000, CRC(de7e7df4) SHA1(7d26ac29e0b5858d9a0c0cdc86c864e464145260) ) ROM_LOAD( "nb-5.ic51", 0x08000, 0x8000, CRC(ba683ddf) SHA1(7516fac1c4fd14cbf43481e94c0c26c662c4cd28) ) - ROM_LOAD( "na-5.ic52", 0x04000, 0x4000, CRC(de7e7df4) SHA1(7d26ac29e0b5858d9a0c0cdc86c864e464145260) ) - ROM_CONTINUE( 0x10000, 0x4000 ) ROM_REGION( 0x10000, "audiocpu", 0 ) ROM_LOAD( "n0-5.ic13", 0x8000, 0x8000, CRC(3587de3b) SHA1(f82e758254b21eb0c5a02469c72adb86d9577065) ) @@ -959,10 +898,9 @@ ROM_START( renegade ) ROM_END ROM_START( kuniokun ) - ROM_REGION( 0x14000, "maincpu", 0 ) /* 64k for code + bank switched ROM */ + ROM_REGION( 0x10000, "maincpu", 0 ) /* 64k for code + bank switched ROM */ + ROM_LOAD( "ta18-11.bin", 0x00000, 0x8000, CRC(f240f5cd) SHA1(ed6875e8ad2988e88389d4f63ff448d0823c195f) ) ROM_LOAD( "nb-01.bin", 0x08000, 0x8000, CRC(93fcfdf5) SHA1(51cdb9377544ae17895e427f21d150ce195ab8e7) ) // original - ROM_LOAD( "ta18-11.bin", 0x04000, 0x4000, CRC(f240f5cd) SHA1(ed6875e8ad2988e88389d4f63ff448d0823c195f) ) - ROM_CONTINUE( 0x10000, 0x4000 ) ROM_REGION( 0x10000, "audiocpu", 0 ) ROM_LOAD( "n0-5.bin", 0x8000, 0x8000, CRC(3587de3b) SHA1(f82e758254b21eb0c5a02469c72adb86d9577065) ) @@ -1002,10 +940,9 @@ ROM_START( kuniokun ) ROM_END ROM_START( kuniokunb ) - ROM_REGION( 0x14000, "maincpu", 0 ) /* 64k for code + bank switched ROM */ + ROM_REGION( 0x10000, "maincpu", 0 ) /* 64k for code + bank switched ROM */ + ROM_LOAD( "ta18-11.bin", 0x00000, 0x8000, CRC(f240f5cd) SHA1(ed6875e8ad2988e88389d4f63ff448d0823c195f) ) ROM_LOAD( "ta18-10.bin", 0x08000, 0x8000, CRC(a90cf44a) SHA1(6d63d9c29da7b8c5bc391e074b6b8fe6ae3892ae) ) // bootleg - ROM_LOAD( "ta18-11.bin", 0x04000, 0x4000, CRC(f240f5cd) SHA1(ed6875e8ad2988e88389d4f63ff448d0823c195f) ) - ROM_CONTINUE( 0x10000, 0x4000 ) ROM_REGION( 0x10000, "audiocpu", 0 ) ROM_LOAD( "n0-5.bin", 0x8000, 0x8000, CRC(3587de3b) SHA1(f82e758254b21eb0c5a02469c72adb86d9577065) ) |