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r41641 Saturday 7th November, 2015 at 20:52:29 UTC by hap
give gekisou its own memorymap
[src/mame/drivers]equites.c
[src/mame/includes]equites.h
[src/mame/video]equites.c

trunk/src/mame/drivers/equites.c
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524524
525525
526526/******************************************************************************/
527// Local Functions
528
529/******************************************************************************/
530527// Interrupt Handlers
531528
532// Equites Hardware
533529TIMER_DEVICE_CALLBACK_MEMBER(equites_state::equites_scanline)
534530{
535531   int scanline = param;
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596592
597593
598594/******************************************************************************/
599// Main CPU Handlers
595// CPU Handlers
600596
601CUSTOM_INPUT_MEMBER(equites_state::gekisou_unknown_status)
597CUSTOM_INPUT_MEMBER(equites_state::gekisou_unknown_bit_r)
602598{
603   return m_unknown_bit;
599   return m_gekisou_unknown_bit;
604600}
605601
606WRITE16_MEMBER(equites_state::gekisou_unknown_0_w)
602WRITE16_MEMBER(equites_state::gekisou_unknown_bit_w)
607603{
608   m_unknown_bit = 0;
604   // data bit is A16 (offset)
605   m_gekisou_unknown_bit = (offset == 0) ? 0 : 1;;
609606}
610607
611WRITE16_MEMBER(equites_state::gekisou_unknown_1_w)
612{
613   m_unknown_bit = 1;
614}
615608
616
617
618/******************************************************************************/
619// Main CPU Memory Map
620
621609READ16_MEMBER(equites_state::equites_spriteram_kludge_r)
622610{
623611   if (m_spriteram[0] == 0x5555)
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659647}
660648
661649
650
651/******************************************************************************/
652// CPU Memory Maps
653
662654static ADDRESS_MAP_START( equites_map, AS_PROGRAM, 16, equites_state )
663655   ADDRESS_MAP_UNMAP_HIGH
664656   AM_RANGE(0x000000, 0x00ffff) AM_ROM // ROM area is written several times (dev system?)
665   AM_RANGE(0x040000, 0x040fff) AM_RAM AM_SHARE("nvram")   // nvram is for gekisou only
657   AM_RANGE(0x040000, 0x040fff) AM_RAM
666658   AM_RANGE(0x080000, 0x080fff) AM_READWRITE8(equites_fg_videoram_r, equites_fg_videoram_w, 0x00ff)
667659   AM_RANGE(0x0c0000, 0x0c01ff) AM_RAM_WRITE(equites_bg_videoram_w) AM_SHARE("bg_videoram")
668660   AM_RANGE(0x0c0200, 0x0c0fff) AM_RAM
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675667   AM_RANGE(0x18c000, 0x18c001) AM_MIRROR(0x020000) AM_MASK(0x020000) AM_WRITE(mcu_switch_w)
676668   AM_RANGE(0x1c0000, 0x1c0001) AM_READ_PORT("IN0") AM_WRITE(equites_scrollreg_w)
677669   AM_RANGE(0x380000, 0x380001) AM_WRITE8(equites_bgcolor_w, 0xff00)
678   // 580000 unknown (protection?) (gekisou only, installed by DRIVER_INIT)
679   // 5a0000 unknown (protection?) (gekisou only, installed by DRIVER_INIT)
680670   AM_RANGE(0x780000, 0x780001) AM_WRITE(watchdog_reset16_w)
681671ADDRESS_MAP_END
682672
673static ADDRESS_MAP_START( gekisou_map, AS_PROGRAM, 16, equites_state )
674   AM_RANGE(0x040000, 0x040fff) AM_RAM AM_SHARE("nvram") // mainram is battery-backed
675   AM_RANGE(0x580000, 0x580001) AM_MIRROR(0x020000) AM_MASK(0x020000) AM_WRITE(gekisou_unknown_bit_w)
676   AM_IMPORT_FROM( equites_map )
677ADDRESS_MAP_END
678
679
683680static ADDRESS_MAP_START( splndrbt_map, AS_PROGRAM, 16, equites_state )
684681   ADDRESS_MAP_UNMAP_HIGH
685682   AM_RANGE(0x000000, 0x00ffff) AM_ROM
686   AM_RANGE(0x040000, 0x040fff) AM_RAM AM_SHARE("workram")
683   AM_RANGE(0x040000, 0x040fff) AM_RAM
687684   AM_RANGE(0x080000, 0x080001) AM_READ_PORT("IN0")
688685   AM_RANGE(0x0c0000, 0x0c0001) AM_READ_PORT("IN1")
689686   AM_RANGE(0x0c0000, 0x0c0001) AM_MIRROR(0x020000) AM_MASK(0x020000) AM_WRITE8(equites_bgcolor_w, 0xff00) // note: addressmask does not apply here
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702699   AM_RANGE(0x600100, 0x6001ff) AM_RAM AM_SHARE("spriteram_2") // sprite RAM 2 (8-bit)
703700ADDRESS_MAP_END
704701
702
705703static ADDRESS_MAP_START( sound_map, AS_PROGRAM, 8, equites_state )
706704   AM_RANGE(0x0000, 0xbfff) AM_ROM
707705   AM_RANGE(0xc000, 0xc000) AM_READ(soundlatch_byte_r)
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780778
781779   /* this is actually a variable resistor */
782780   PORT_START(FRQ_ADJUSTER_TAG)
783   PORT_ADJUSTER(25, "MSM5232 Clock")
781   PORT_ADJUSTER(25, "MSM5232 Clock") // approximate factory setting
784782INPUT_PORTS_END
785783
786784/******************************************************************************/
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799797   PORT_BIT( 0x1000, IP_ACTIVE_HIGH, IPT_UNKNOWN )
800798   PORT_BIT( 0x2000, IP_ACTIVE_HIGH, IPT_UNKNOWN )
801799   PORT_BIT( 0x4000, IP_ACTIVE_HIGH, IPT_UNKNOWN )
802   PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, equites_state,gekisou_unknown_status, NULL)
800   PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_SPECIAL ) PORT_CUSTOM_MEMBER(DEVICE_SELF, equites_state, gekisou_unknown_bit_r, NULL)
803801
804802   /* this is actually a variable resistor */
805803   PORT_START(FRQ_ADJUSTER_TAG)
806   PORT_ADJUSTER(24, "MSM5232 Clock")
804   PORT_ADJUSTER(24, "MSM5232 Clock") // approximate factory setting
807805INPUT_PORTS_END
808806
809807/******************************************************************************/
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836834
837835   /* this is actually a variable resistor */
838836   PORT_START(FRQ_ADJUSTER_TAG)
839   PORT_ADJUSTER(33, "MSM5232 Clock")
837   PORT_ADJUSTER(33, "MSM5232 Clock") // approximate factory setting
840838INPUT_PORTS_END
841839
842840/******************************************************************************/
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869867
870868   /* this is actually a variable resistor */
871869   PORT_START(FRQ_ADJUSTER_TAG)
872   PORT_ADJUSTER(33, "MSM5232 Clock")
870   PORT_ADJUSTER(33, "MSM5232 Clock") // approximate factory setting
873871INPUT_PORTS_END
874872
875873/******************************************************************************/
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902900
903901   /* this is actually a variable resistor */
904902   PORT_START(FRQ_ADJUSTER_TAG)
905   PORT_ADJUSTER(28, "MSM5232 Clock")
903   PORT_ADJUSTER(28, "MSM5232 Clock") // approximate factory setting
906904INPUT_PORTS_END
907905
908906/******************************************************************************/
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951949
952950   /* this is actually a variable resistor */
953951   PORT_START(FRQ_ADJUSTER_TAG)
954   PORT_ADJUSTER(27, "MSM5232 Clock")
952   PORT_ADJUSTER(27, "MSM5232 Clock") // approximate factory setting
955953INPUT_PORTS_END
956954
957955
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10881086
10891087/******************************************************************************/
10901088
1091MACHINE_START_MEMBER(equites_state,equites)
1089void equites_state::machine_start()
10921090{
1091   // zerofill
1092   m_fg_char_bank = 0;
1093   m_bgcolor = 0;
1094   m_splndrbt_bg_scrollx = 0;
1095   m_splndrbt_bg_scrolly = 0;
1096   m_sound_prom_address = 0;
1097   m_dac_latch = 0;
1098   m_eq8155_port_b = 0;
1099   m_eq8155_port_a = 0;
1100   m_eq8155_port_c = 0;
1101   m_ay_port_a = 0;
1102   m_ay_port_b = 0;
1103   m_eq_cymbal_ctrl = 0;
1104   m_cymvol = 0.0;
1105   m_hihatvol = 0.0;
1106   m_timer_count = 0;
1107   m_gekisou_unknown_bit = 0;
1108
1109   // register for savestates
10931110   save_item(NAME(m_fg_char_bank));
10941111   save_item(NAME(m_bgcolor));
10951112   save_item(NAME(m_splndrbt_bg_scrollx));
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11051122   save_item(NAME(m_cymvol));
11061123   save_item(NAME(m_hihatvol));
11071124   save_item(NAME(m_timer_count));
1108   save_item(NAME(m_unknown_bit));
1125   save_item(NAME(m_gekisou_unknown_bit));
11091126
11101127   m_nmi_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(equites_state::equites_nmi_callback), this));
11111128
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11131130   m_adjuster_timer->adjust(attotime::from_hz(60), 0, attotime::from_hz(60));
11141131}
11151132
1116MACHINE_RESET_MEMBER(equites_state,equites)
1133void equites_state::machine_reset()
11171134{
11181135   flip_screen_set(0);
1119
1120   m_fg_char_bank = 0;
1121   m_bgcolor = 0;
1122   m_splndrbt_bg_scrollx = 0;
1123   m_splndrbt_bg_scrolly = 0;
1124   m_sound_prom_address = 0;
1125   m_dac_latch = 0;
1126   m_eq8155_port_b = 0;
1127   m_eq8155_port_a = 0;
1128   m_eq8155_port_c = 0;
1129   m_ay_port_a = 0;
1130   m_ay_port_b = 0;
1131   m_eq_cymbal_ctrl = 0;
1132   m_cymvol = 0.0;
1133   m_hihatvol = 0.0;
1134   m_timer_count = 0;
1135   m_unknown_bit = 0;
11361136}
11371137
11381138
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11621162   MCFG_PALETTE_INIT_OWNER(equites_state,equites)
11631163
11641164   MCFG_VIDEO_START_OVERRIDE(equites_state,equites)
1165
1166   MCFG_MACHINE_START_OVERRIDE(equites_state,equites)
1167   MCFG_MACHINE_RESET_OVERRIDE(equites_state,equites)
11681165MACHINE_CONFIG_END
11691166
11701167static MACHINE_CONFIG_DERIVED( gekisou, equites )
11711168
1169   /* basic machine hardware */
1170   MCFG_CPU_MODIFY("maincpu")
1171   MCFG_CPU_PROGRAM_MAP(gekisou_map)
1172
11721173   // mcu not dumped, so add simulated mcu
11731174   MCFG_CPU_ADD("mcu", ALPHA8301L, 4000000/8)
11741175   MCFG_CPU_PROGRAM_MAP(mcu_map)
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12041205   MCFG_PALETTE_INIT_OWNER(equites_state,splndrbt)
12051206
12061207   MCFG_VIDEO_START_OVERRIDE(equites_state,splndrbt)
1207
1208   MCFG_MACHINE_START_OVERRIDE(equites_state,equites)
1209   MCFG_MACHINE_RESET_OVERRIDE(equites_state,equites)
12101208MACHINE_CONFIG_END
12111209
12121210static MACHINE_CONFIG_DERIVED( hvoltage, splndrbt )
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17701768/******************************************************************************/
17711769// Initializations
17721770
1773void equites_state::unpack_block( const char *region, int offset, int size )
1771void equites_state::unpack_block(const char *region, int offset, int size)
17741772{
17751773   UINT8 *rom = memregion(region)->base();
1776   int i;
17771774
1778   for (i = 0; i < size; ++i)
1775   for (int i = 0; i < size; i++)
17791776   {
17801777      rom[(offset + i + size)] = (rom[(offset + i)] >> 4);
17811778      rom[(offset + i)] &= 0x0f;
17821779   }
17831780}
17841781
1785void equites_state::unpack_region( const char *region )
1782void equites_state::unpack_region(const char *region)
17861783{
17871784   unpack_block(region, 0x0000, 0x2000);
17881785   unpack_block(region, 0x4000, 0x2000);
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17951792   unpack_region("gfx3");
17961793}
17971794
1798DRIVER_INIT_MEMBER(equites_state,bullfgtr)
1799{
1800   unpack_region("gfx2");
1801   unpack_region("gfx3");
1802}
1803
1804DRIVER_INIT_MEMBER(equites_state,kouyakyu)
1805{
1806   unpack_region("gfx2");
1807   unpack_region("gfx3");
1808}
1809
1810DRIVER_INIT_MEMBER(equites_state,gekisou)
1811{
1812   unpack_region("gfx2");
1813   unpack_region("gfx3");
1814
1815   // install special handlers for unknown device (protection?)
1816   m_maincpu->space(AS_PROGRAM).install_write_handler(0x580000, 0x580001, write16_delegate(FUNC(equites_state::gekisou_unknown_0_w),this));
1817   m_maincpu->space(AS_PROGRAM).install_write_handler(0x5a0000, 0x5a0001, write16_delegate(FUNC(equites_state::gekisou_unknown_1_w),this));
1818}
1819
18201795DRIVER_INIT_MEMBER(equites_state,splndrbt)
18211796{
18221797   unpack_region("gfx3");
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18291804// Game Entries
18301805
18311806// Equites Hardware
1832GAME( 1984, equites,  0,        equites,  equites,  equites_state, equites,  ROT90, "Alpha Denshi Co.", "Equites", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
1833GAME( 1984, equitess, equites,  equites,  equites,  equites_state, equites,  ROT90, "Alpha Denshi Co. (Sega license)", "Equites (Sega)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
1834GAME( 1984, bullfgtr, 0,        equites,  bullfgtr, equites_state, bullfgtr, ROT90, "Alpha Denshi Co.", "Bull Fighter", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
1835GAME( 1984, bullfgtrs,bullfgtr, equites,  bullfgtr, equites_state, bullfgtr, ROT90, "Alpha Denshi Co. (Sega license)", "Bull Fighter (Sega)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
1836GAME( 1985, kouyakyu, 0,        equites,  kouyakyu, equites_state, kouyakyu, ROT0,  "Alpha Denshi Co.", "The Koukou Yakyuu", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
1837GAME( 1985, gekisou,  0,        gekisou,  gekisou,  equites_state, gekisou,  ROT90, "Eastern Corp.", "Gekisou (Japan)", MACHINE_UNEMULATED_PROTECTION | MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )
1807GAME( 1984, equites,   0,        equites,  equites,  equites_state, equites,  ROT90, "Alpha Denshi Co.", "Equites", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
1808GAME( 1984, equitess,  equites,  equites,  equites,  equites_state, equites,  ROT90, "Alpha Denshi Co. (Sega license)", "Equites (Sega)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
1809GAME( 1984, bullfgtr,  0,        equites,  bullfgtr, equites_state, equites,  ROT90, "Alpha Denshi Co.", "Bull Fighter", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
1810GAME( 1984, bullfgtrs, bullfgtr, equites,  bullfgtr, equites_state, equites,  ROT90, "Alpha Denshi Co. (Sega license)", "Bull Fighter (Sega)", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
1811GAME( 1985, kouyakyu,  0,        equites,  kouyakyu, equites_state, equites,  ROT0,  "Alpha Denshi Co.", "The Koukou Yakyuu", MACHINE_IMPERFECT_SOUND | MACHINE_SUPPORTS_SAVE )
1812GAME( 1985, gekisou,   0,        gekisou,  gekisou,  equites_state, equites,  ROT90, "Eastern Corp.", "Gekisou (Japan)", MACHINE_UNEMULATED_PROTECTION | MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )
18381813
18391814// Splendor Blast Hardware
1840GAME( 1985, splndrbt, 0,        splndrbt, splndrbt, equites_state, splndrbt, ROT0,  "Alpha Denshi Co.", "Splendor Blast", MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )
1841GAME( 1985, hvoltage, 0,        hvoltage, hvoltage, equites_state, splndrbt, ROT0,  "Alpha Denshi Co.", "High Voltage", MACHINE_UNEMULATED_PROTECTION | MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )
1815GAME( 1985, splndrbt,  0,        splndrbt, splndrbt, equites_state, splndrbt, ROT0,  "Alpha Denshi Co.", "Splendor Blast", MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )
1816GAME( 1985, hvoltage,  0,        hvoltage, hvoltage, equites_state, splndrbt, ROT0,  "Alpha Denshi Co.", "High Voltage", MACHINE_UNEMULATED_PROTECTION | MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS | MACHINE_SUPPORTS_SAVE )
trunk/src/mame/includes/equites.h
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2020      m_bg_videoram(*this, "bg_videoram"),
2121      m_spriteram(*this, "spriteram"),
2222      m_spriteram_2(*this, "spriteram_2"),
23      m_workram(*this, "workram"),
2423      m_mcuram(*this, "mcuram"),
2524      m_maincpu(*this, "maincpu"),
2625      m_audiocpu(*this, "audiocpu"),
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4039   UINT8 *m_fg_videoram;    // 8bits
4140   required_shared_ptr<UINT16> m_spriteram;
4241   optional_shared_ptr<UINT16> m_spriteram_2;
43   optional_shared_ptr<UINT16> m_workram;
4442   optional_shared_ptr<UINT8> m_mcuram;
4543
4644   /* video-related */
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6563   float     m_cymvol;
6664   float     m_hihatvol;
6765   int       m_timer_count;
68   int       m_unknown_bit;    // Gekisou special handling
66   int       m_gekisou_unknown_bit;
6967
7068   /* devices */
7169   required_device<cpu_device> m_maincpu;
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8583   DECLARE_WRITE8_MEMBER(equites_dac_latch_w);
8684   DECLARE_WRITE8_MEMBER(equites_8155_portb_w);
8785   DECLARE_WRITE8_MEMBER(equites_8155_w);
88   DECLARE_WRITE16_MEMBER(gekisou_unknown_0_w);
89   DECLARE_WRITE16_MEMBER(gekisou_unknown_1_w);
86   DECLARE_WRITE16_MEMBER(gekisou_unknown_bit_w);
9087   DECLARE_READ16_MEMBER(equites_spriteram_kludge_r);
9188   DECLARE_READ8_MEMBER(mcu_ram_r);
9289   DECLARE_WRITE8_MEMBER(mcu_ram_w);
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10299   DECLARE_WRITE8_MEMBER(equites_flipb_w);
103100   DECLARE_WRITE16_MEMBER(splndrbt_bg_scrollx_w);
104101   DECLARE_WRITE16_MEMBER(splndrbt_bg_scrolly_w);
105   DECLARE_CUSTOM_INPUT_MEMBER(gekisou_unknown_status);
102   DECLARE_CUSTOM_INPUT_MEMBER(gekisou_unknown_bit_r);
106103   DECLARE_WRITE8_MEMBER(equites_8910porta_w);
107104   DECLARE_WRITE8_MEMBER(equites_8910portb_w);
108   DECLARE_DRIVER_INIT(bullfgtr);
109   DECLARE_DRIVER_INIT(kouyakyu);
110   DECLARE_DRIVER_INIT(gekisou);
111105   DECLARE_DRIVER_INIT(splndrbt);
112106   DECLARE_DRIVER_INIT(equites);
113107   TILE_GET_INFO_MEMBER(equites_fg_info);
114108   TILE_GET_INFO_MEMBER(splndrbt_fg_info);
115109   TILE_GET_INFO_MEMBER(equites_bg_info);
116110   TILE_GET_INFO_MEMBER(splndrbt_bg_info);
117   DECLARE_MACHINE_START(equites);
118   DECLARE_MACHINE_RESET(equites);
119111   DECLARE_VIDEO_START(equites);
120112   DECLARE_PALETTE_INIT(equites);
121113   DECLARE_VIDEO_START(splndrbt);
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127119   TIMER_DEVICE_CALLBACK_MEMBER(equites_scanline);
128120   TIMER_DEVICE_CALLBACK_MEMBER(splndrbt_scanline);
129121   DECLARE_WRITE_LINE_MEMBER(equites_msm5232_gate);
130   void equites_draw_sprites_block( bitmap_ind16 &bitmap, const rectangle &cliprect, int start, int end );
122   void equites_draw_sprites_block(bitmap_ind16 &bitmap, const rectangle &cliprect, int start, int end);
131123   void equites_draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
132   void splndrbt_draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect );
133   void splndrbt_copy_bg( bitmap_ind16 &dst_bitmap, const rectangle &cliprect );
134   void equites_update_dac(  );
135   void unpack_block( const char *region, int offset, int size );
136   void unpack_region( const char *region );
124   void splndrbt_draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect);
125   void splndrbt_copy_bg(bitmap_ind16 &dst_bitmap, const rectangle &cliprect);
126   void equites_update_dac();
127   void unpack_block(const char *region, int offset, int size);
128   void unpack_region(const char *region);
129
130   virtual void machine_start();
131   virtual void machine_reset();
137132};
trunk/src/mame/video/equites.c
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230230 *
231231 *************************************/
232232
233void equites_state::equites_draw_sprites_block( bitmap_ind16 &bitmap, const rectangle &cliprect, int start, int end )
233void equites_state::equites_draw_sprites_block(bitmap_ind16 &bitmap, const rectangle &cliprect, int start, int end)
234234{
235235   for (int offs = end - 2; offs >= start; offs -= 2)
236236   {
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30130103020303 03030303 03030303 03030303
302302*/
303303
304void equites_state::splndrbt_draw_sprites( bitmap_ind16 &bitmap, const rectangle &cliprect )
304void equites_state::splndrbt_draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect)
305305{
306306   const UINT8 * const xrom = memregion("user2")->base();
307307   const UINT8 * const yrom = xrom + 0x100;
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360360                  if (bx >= cliprect.min_x && bx <= cliprect.max_x)
361361                  {
362362                     int xx = scalex ? (x * 29 + scalex) / (scalex << 1) + 1 : 16;   // FIXME This is wrong. Should use the PROM.
363                     int const offset = (fx ? (31 - xx) : xx) + ((fy ^ yhalf) ? (16 + line) : (15 - line) ) * gfx->rowbytes();
363                     int const offset = (fx ? (31 - xx) : xx) + ((fy ^ yhalf) ? (16 + line) : (15 - line)) * gfx->rowbytes();
364364
365365                     int pen = srcgfx[offset];
366366
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375375}
376376
377377
378void equites_state::splndrbt_copy_bg( bitmap_ind16 &dst_bitmap, const rectangle &cliprect )
378void equites_state::splndrbt_copy_bg(bitmap_ind16 &dst_bitmap, const rectangle &cliprect)
379379{
380380   bitmap_ind16 &src_bitmap = m_bg_tilemap->pixmap();
381381   bitmap_ind8 &flags_bitmap = m_bg_tilemap->flagsmap();

https://github.com/mamedev/mame/commit/44b88787c3561744835ed28a7be6aa9fad61f4f7

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