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renegade.c: replace custom sound with MSM5205 [Alex Jackson]

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This commit is contained in:
Alex W. Jackson 2014-12-03 00:15:57 -05:00
parent 2e290e4fae
commit df12287295
3 changed files with 89 additions and 176 deletions
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163
src/mame/drivers/renegade.c
View File

@ -108,101 +108,46 @@ $8000 - $ffff ROM
#include "includes/renegade.h" #include "includes/renegade.h"
/********************************************************************************************/ /***************************************************************************
const device_type RENEGADE_ADPCM = &device_creator<renegade_adpcm_device>; ADPCM sound
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), WRITE8_MEMBER(renegade_state::adpcm_start_w)
m_stream(NULL),
m_current(0),
m_end(0),
m_nibble(0),
m_playing(0),
m_base(NULL)
{ {
m_msm->reset_w(0);
m_adpcm_playing = true;
} }
//------------------------------------------------- WRITE8_MEMBER(renegade_state::adpcm_addr_w)
// device_config_complete - perform any
// operations now that the configuration is
// complete
//-------------------------------------------------
void renegade_adpcm_device::device_config_complete()
{ {
m_adpcm_pos = (data - 0x2c) * 0x2000 * 2;
m_adpcm_end = m_adpcm_pos + 0x2000 * 2;
} }
//------------------------------------------------- WRITE8_MEMBER(renegade_state::adpcm_stop_w)
// device_start - device-specific startup
//-------------------------------------------------
void renegade_adpcm_device::device_start()
{ {
m_playing = 0; m_msm->reset_w(1);
m_stream = machine().sound().stream_alloc(*this, 0, 1, clock()); m_adpcm_playing = false;
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));
} }
//------------------------------------------------- WRITE_LINE_MEMBER(renegade_state::adpcm_int)
// 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)
{ {
stream_sample_t *dest = outputs[0]; if (!m_adpcm_playing) return;
while (m_playing && samples > 0) if (m_adpcm_pos >= m_adpcm_end)
{ {
int val = (m_base[m_current] >> m_nibble) & 15; m_msm->reset_w(1);
m_adpcm_playing = false;
m_nibble ^= 4; m_audiocpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE);
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--;
}
}
WRITE8_MEMBER(renegade_adpcm_device::play_w)
{
int offs = (data - 0x2c) * 0x2000;
int len = 0x2000 * 2;
/* kludge to avoid reading past end of ROM */
if (offs + len > 0x20000)
len = 0x1000;
if (offs >= 0 && offs+len <= 0x20000)
{
m_stream->update();
m_adpcm.reset();
m_current = offs;
m_end = offs + len/2;
m_nibble = 4;
m_playing = 1;
} }
else 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) WRITE8_MEMBER(renegade_state::sound_w)
@ -230,21 +175,17 @@ static const UINT8 kuniokun_xor_table[0x2a] =
0x68, 0x60 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() 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_buffer));
save_item(NAME(m_mcu_input_size)); save_item(NAME(m_mcu_input_size));
save_item(NAME(m_mcu_output_byte)); save_item(NAME(m_mcu_output_byte));
save_item(NAME(m_mcu_key)); 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) DRIVER_INIT_MEMBER(renegade_state,renegade)
@ -605,11 +546,7 @@ CUSTOM_INPUT_MEMBER(renegade_state::mcu_status_r)
WRITE8_MEMBER(renegade_state::bankswitch_w) WRITE8_MEMBER(renegade_state::bankswitch_w)
{ {
if ((data & 1) != m_bank) m_rombank->set_entry(data & 1);
{
m_bank = data & 1;
setbank();
}
} }
TIMER_DEVICE_CALLBACK_MEMBER(renegade_state::renegade_interrupt) 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 ) static ADDRESS_MAP_START( renegade_map, AS_PROGRAM, 8, renegade_state )
AM_RANGE(0x0000, 0x17ff) AM_RAM 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(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(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(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(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(renegade_scroll1_w) /* Player#2 controls, coin triggers */ 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(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(0x3803, 0x3803) AM_READ_PORT("DSW1") AM_WRITE(renegade_flipscreen_w) /* DIP1 */
AM_RANGE(0x3804, 0x3804) AM_READWRITE(mcu_r, mcu_w) AM_RANGE(0x3804, 0x3804) AM_READWRITE(mcu_r, mcu_w)
AM_RANGE(0x3805, 0x3805) AM_READWRITE(mcu_reset_r, bankswitch_w) AM_RANGE(0x3805, 0x3805) AM_READWRITE(mcu_reset_r, bankswitch_w)
AM_RANGE(0x3806, 0x3806) AM_WRITENOP // ?? watchdog AM_RANGE(0x3806, 0x3806) AM_WRITENOP // ?? watchdog
AM_RANGE(0x3807, 0x3807) AM_WRITE(renegade_coin_counter_w) 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 AM_RANGE(0x8000, 0xffff) AM_ROM
ADDRESS_MAP_END ADDRESS_MAP_END
static ADDRESS_MAP_START( renegade_sound_map, AS_PROGRAM, 8, renegade_state ) static ADDRESS_MAP_START( renegade_sound_map, AS_PROGRAM, 8, renegade_state )
AM_RANGE(0x0000, 0x0fff) AM_RAM AM_RANGE(0x0000, 0x0fff) AM_RAM
AM_RANGE(0x1000, 0x1000) AM_READ(soundlatch_byte_r) 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(0x1800, 0x1800) AM_WRITE(adpcm_start_w)
AM_RANGE(0x2000, 0x2000) AM_DEVWRITE("adpcm", renegade_adpcm_device, play_w) AM_RANGE(0x2000, 0x2000) AM_WRITE(adpcm_addr_w)
AM_RANGE(0x2800, 0x2801) AM_DEVREADWRITE("ymsnd", ym3526_device, read, write) 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 AM_RANGE(0x8000, 0xffff) AM_ROM
ADDRESS_MAP_END ADDRESS_MAP_END
@ -866,8 +803,9 @@ GFXDECODE_END
void renegade_state::machine_reset() void renegade_state::machine_reset()
{ {
m_bank = 0; m_rombank->set_entry(0);
setbank(); 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_YM3526_IRQ_HANDLER(DEVWRITELINE("audiocpu", m6809_device, firq_line))
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0) 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) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.0)
MACHINE_CONFIG_END MACHINE_CONFIG_END
@ -916,10 +856,9 @@ MACHINE_CONFIG_END
ROM_START( renegade ) 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( "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_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "n0-5.ic13", 0x8000, 0x8000, CRC(3587de3b) SHA1(f82e758254b21eb0c5a02469c72adb86d9577065) ) ROM_LOAD( "n0-5.ic13", 0x8000, 0x8000, CRC(3587de3b) SHA1(f82e758254b21eb0c5a02469c72adb86d9577065) )
@ -959,10 +898,9 @@ ROM_START( renegade )
ROM_END ROM_END
ROM_START( kuniokun ) 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( "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_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "n0-5.bin", 0x8000, 0x8000, CRC(3587de3b) SHA1(f82e758254b21eb0c5a02469c72adb86d9577065) ) ROM_LOAD( "n0-5.bin", 0x8000, 0x8000, CRC(3587de3b) SHA1(f82e758254b21eb0c5a02469c72adb86d9577065) )
@ -1002,10 +940,9 @@ ROM_START( kuniokun )
ROM_END ROM_END
ROM_START( kuniokunb ) 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( "ta18-10.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_REGION( 0x10000, "audiocpu", 0 )
ROM_LOAD( "n0-5.bin", 0x8000, 0x8000, CRC(3587de3b) SHA1(f82e758254b21eb0c5a02469c72adb86d9577065) ) ROM_LOAD( "n0-5.bin", 0x8000, 0x8000, CRC(3587de3b) SHA1(f82e758254b21eb0c5a02469c72adb86d9577065) )

84
src/mame/includes/renegade.h
View File

@ -1,24 +1,38 @@
#include "sound/okiadpcm.h" #include "sound/msm5205.h"
#define MCU_BUFFER_MAX 6 #define MCU_BUFFER_MAX 6
class renegade_adpcm_device;
class renegade_state : public driver_device class renegade_state : public driver_device
{ {
public: public:
renegade_state(const machine_config &mconfig, device_type type, const char *tag) renegade_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag), : driver_device(mconfig, type, tag),
m_videoram(*this, "videoram"),
m_videoram2(*this, "videoram2"),
m_spriteram(*this, "spriteram"),
m_maincpu(*this,"maincpu"), m_maincpu(*this,"maincpu"),
m_audiocpu(*this, "audiocpu"), m_audiocpu(*this, "audiocpu"),
m_mcu(*this, "mcu"), m_mcu(*this, "mcu"),
m_msm(*this, "msm"),
m_gfxdecode(*this, "gfxdecode"), m_gfxdecode(*this, "gfxdecode"),
m_palette(*this, "palette") { } m_rombank(*this, "rombank"),
m_adpcmrom(*this, "adpcm"),
m_fg_videoram(*this, "fg_videoram"),
m_bg_videoram(*this, "bg_videoram"),
m_spriteram(*this, "spriteram") { }
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
optional_device<cpu_device> m_mcu;
required_device<msm5205_device> m_msm;
required_device<gfxdecode_device> m_gfxdecode;
required_memory_bank m_rombank;
required_region_ptr<UINT8> m_adpcmrom;
required_shared_ptr<UINT8> m_fg_videoram;
required_shared_ptr<UINT8> m_bg_videoram;
required_shared_ptr<UINT8> m_spriteram;
UINT32 m_adpcm_pos;
UINT32 m_adpcm_end;
bool m_adpcm_playing;
UINT8 m_bank;
int m_mcu_sim; int m_mcu_sim;
int m_from_main; int m_from_main;
int m_from_mcu; int m_from_mcu;
@ -40,15 +54,10 @@ public:
int m_mcu_checksum; int m_mcu_checksum;
const UINT8 *m_mcu_encrypt_table; const UINT8 *m_mcu_encrypt_table;
int m_mcu_encrypt_table_len; int m_mcu_encrypt_table_len;
int m_coin;
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_videoram2;
INT32 m_scrollx; INT32 m_scrollx;
tilemap_t *m_bg_tilemap; tilemap_t *m_bg_tilemap;
tilemap_t *m_fg_tilemap; tilemap_t *m_fg_tilemap;
required_shared_ptr<UINT8> m_spriteram;
required_device<cpu_device> m_maincpu;
DECLARE_WRITE8_MEMBER(sound_w); DECLARE_WRITE8_MEMBER(sound_w);
DECLARE_READ8_MEMBER(mcu_reset_r); DECLARE_READ8_MEMBER(mcu_reset_r);
DECLARE_WRITE8_MEMBER(mcu_w); DECLARE_WRITE8_MEMBER(mcu_w);
@ -65,13 +74,17 @@ public:
DECLARE_READ8_MEMBER(renegade_68705_port_c_r); DECLARE_READ8_MEMBER(renegade_68705_port_c_r);
DECLARE_WRITE8_MEMBER(renegade_68705_port_c_w); DECLARE_WRITE8_MEMBER(renegade_68705_port_c_w);
DECLARE_WRITE8_MEMBER(renegade_68705_ddr_c_w); DECLARE_WRITE8_MEMBER(renegade_68705_ddr_c_w);
DECLARE_WRITE8_MEMBER(renegade_videoram_w); DECLARE_WRITE8_MEMBER(fg_videoram_w);
DECLARE_WRITE8_MEMBER(renegade_videoram2_w); DECLARE_WRITE8_MEMBER(bg_videoram_w);
DECLARE_WRITE8_MEMBER(renegade_flipscreen_w); DECLARE_WRITE8_MEMBER(renegade_flipscreen_w);
DECLARE_WRITE8_MEMBER(renegade_scroll0_w); DECLARE_WRITE8_MEMBER(scroll_lsb_w);
DECLARE_WRITE8_MEMBER(renegade_scroll1_w); DECLARE_WRITE8_MEMBER(scroll_msb_w);
DECLARE_CUSTOM_INPUT_MEMBER(mcu_status_r); DECLARE_CUSTOM_INPUT_MEMBER(mcu_status_r);
DECLARE_WRITE8_MEMBER(adpcm_play_w); DECLARE_WRITE8_MEMBER(adpcm_start_w);
DECLARE_WRITE8_MEMBER(adpcm_addr_w);
DECLARE_WRITE8_MEMBER(adpcm_stop_w);
DECLARE_WRITE_LINE_MEMBER(adpcm_int);
DECLARE_DRIVER_INIT(kuniokun); DECLARE_DRIVER_INIT(kuniokun);
DECLARE_DRIVER_INIT(kuniokunb); DECLARE_DRIVER_INIT(kuniokunb);
DECLARE_DRIVER_INIT(renegade); DECLARE_DRIVER_INIT(renegade);
@ -82,40 +95,5 @@ public:
virtual void video_start(); virtual void video_start();
UINT32 screen_update_renegade(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); UINT32 screen_update_renegade(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(renegade_interrupt); TIMER_DEVICE_CALLBACK_MEMBER(renegade_interrupt);
void setbank();
void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect); void draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
required_device<cpu_device> m_audiocpu;
optional_device<cpu_device> m_mcu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
}; };
class renegade_adpcm_device : public device_t,
public device_sound_interface
{
public:
renegade_adpcm_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
~renegade_adpcm_device() {}
DECLARE_WRITE8_MEMBER(play_w);
protected:
// device-level overrides
virtual void device_config_complete();
virtual void device_start();
// sound stream update overrides
virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
private:
// internal state
oki_adpcm_state m_adpcm;
sound_stream *m_stream;
UINT32 m_current;
UINT32 m_end;
UINT8 m_nibble;
UINT8 m_playing;
UINT8 *m_base;
};
extern const device_type RENEGADE_ADPCM;

18
src/mame/video/renegade.c
View File

@ -8,17 +8,16 @@
#include "includes/renegade.h" #include "includes/renegade.h"
WRITE8_MEMBER(renegade_state::renegade_videoram_w) WRITE8_MEMBER(renegade_state::bg_videoram_w)
{ {
UINT8 *videoram = m_videoram; m_bg_videoram[offset] = data;
videoram[offset] = data;
offset = offset % (64 * 16); offset = offset % (64 * 16);
m_bg_tilemap->mark_tile_dirty(offset); m_bg_tilemap->mark_tile_dirty(offset);
} }
WRITE8_MEMBER(renegade_state::renegade_videoram2_w) WRITE8_MEMBER(renegade_state::fg_videoram_w)
{ {
m_videoram2[offset] = data; m_fg_videoram[offset] = data;
offset = offset % (32 * 32); offset = offset % (32 * 32);
m_fg_tilemap->mark_tile_dirty(offset); m_fg_tilemap->mark_tile_dirty(offset);
} }
@ -28,20 +27,19 @@ WRITE8_MEMBER(renegade_state::renegade_flipscreen_w)
flip_screen_set(~data & 0x01); flip_screen_set(~data & 0x01);
} }
WRITE8_MEMBER(renegade_state::renegade_scroll0_w) WRITE8_MEMBER(renegade_state::scroll_lsb_w)
{ {
m_scrollx = (m_scrollx & 0xff00) | data; m_scrollx = (m_scrollx & 0xff00) | data;
} }
WRITE8_MEMBER(renegade_state::renegade_scroll1_w) WRITE8_MEMBER(renegade_state::scroll_msb_w)
{ {
m_scrollx = (m_scrollx & 0xff) | (data << 8); m_scrollx = (m_scrollx & 0xff) | (data << 8);
} }
TILE_GET_INFO_MEMBER(renegade_state::get_bg_tilemap_info) TILE_GET_INFO_MEMBER(renegade_state::get_bg_tilemap_info)
{ {
UINT8 *videoram = m_videoram; const UINT8 *source = &m_bg_videoram[tile_index];
const UINT8 *source = &videoram[tile_index];
UINT8 attributes = source[0x400]; /* CCC??BBB */ UINT8 attributes = source[0x400]; /* CCC??BBB */
SET_TILE_INFO_MEMBER(1 + (attributes & 0x7), SET_TILE_INFO_MEMBER(1 + (attributes & 0x7),
source[0], source[0],
@ -51,7 +49,7 @@ TILE_GET_INFO_MEMBER(renegade_state::get_bg_tilemap_info)
TILE_GET_INFO_MEMBER(renegade_state::get_fg_tilemap_info) TILE_GET_INFO_MEMBER(renegade_state::get_fg_tilemap_info)
{ {
const UINT8 *source = &m_videoram2[tile_index]; const UINT8 *source = &m_fg_videoram[tile_index];
UINT8 attributes = source[0x400]; UINT8 attributes = source[0x400];
SET_TILE_INFO_MEMBER(0, SET_TILE_INFO_MEMBER(0,
(attributes & 3) * 256 + source[0], (attributes & 3) * 256 + source[0],