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sprite banking on ddrewbl (nw)

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This commit is contained in:
David Haywood 2016-02-24 02:51:22 +00:00
parent 8644419c95
commit 003d698204
3 changed files with 66 additions and 27 deletions
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80
src/mame/drivers/system16.cpp
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@ -1354,36 +1354,67 @@ READ16_MEMBER(segas1x_bootleg_state::ddcrew_c41006_r)
return 0xffff;//rand();
}
WRITE16_MEMBER(segas1x_bootleg_state::ddcrewbl_spritebank_w)
{
// printf("banking write %08x: %04x (%04x %04x)\n", space.device().safe_pc(), offset*2, data&mem_mask, mem_mask);
data &= mem_mask;
// offset &= 0x7;
offset += 4;
int maxbanks = memregion("sprites")->bytes() / 0x40000;
if (data >= maxbanks)
data = 255;
m_sprites->set_bank((offset) * 2 + 0, data * 2 + 0);
m_sprites->set_bank((offset) * 2 + 1, data * 2 + 1);
}
// todo: this
static ADDRESS_MAP_START( ddcrewbl_map, AS_PROGRAM, 16, segas1x_bootleg_state )
AM_RANGE(0x000000, 0x07ffff) AM_ROM
AM_RANGE(0x200000, 0x27ffff) AM_ROM
static ADDRESS_MAP_START(ddcrewbl_map, AS_PROGRAM, 16, segas1x_bootleg_state)
AM_RANGE(0x000000, 0x07ffff) AM_ROM // ok
AM_RANGE(0x200000, 0x27ffff) AM_ROM // ok
AM_RANGE(0x400000, 0x40ffff) AM_RAM_WRITE(sys16_tileram_w) AM_SHARE("tileram")
AM_RANGE(0x410000, 0x410fff) AM_RAM_WRITE(sys16_textram_w) AM_SHARE("textram")
AM_RANGE(0x440000, 0x440fff) AM_RAM AM_SHARE("sprites")
// AM_RANGE(0xa00000, 0xa00001) AM_READ_PORT("COINAGE")
// AM_RANGE(0xa00002, 0xa00003) AM_READ_PORT("DSW1")
AM_RANGE(0x440000, 0x440fff) AM_RAM AM_SHARE("sprites") // ok
// AM_RANGE(0xa0000e, 0xa0000f) AM_WRITE(sys18_tilebank_w)
// AM_RANGE(0xa01000, 0xa01001) AM_READ_PORT("SERVICE")
// AM_RANGE(0xa01002, 0xa01003) AM_READ_PORT("P1")
// AM_RANGE(0xa01004, 0xa01005) AM_READ_PORT("P2")
// AM_RANGE(0xa01006, 0xa01007) AM_READ_PORT("P3")
AM_RANGE(0x840000, 0x840fff) AM_RAM_WRITE(paletteram_w) AM_SHARE("paletteram") // ok
AM_RANGE(0x840000, 0x840fff) AM_RAM_WRITE(paletteram_w) AM_SHARE("paletteram")
AM_RANGE(0xC00000, 0xC00001) AM_WRITENOP // vdp leftovers maybe?
AM_RANGE(0xC00004, 0xC00005) AM_WRITENOP
AM_RANGE(0xC00006, 0xC00007) AM_WRITENOP
AM_RANGE(0xC00000, 0xC00001) AM_WRITENOP
AM_RANGE(0xC40000, 0xC40001) AM_READ(ddcrew_c41006_r)
AM_RANGE(0xC40002, 0xC40003) AM_READ(ddcrew_c41006_r)
AM_RANGE(0xC41000, 0xC41001) AM_READ(ddcrew_c41006_r)
AM_RANGE(0xC41002, 0xC41003) AM_READ(ddcrew_c41006_r)
AM_RANGE(0xC41004, 0xC41005) AM_READ(ddcrew_c41006_r)
AM_RANGE(0xC41006, 0xC41007) AM_READ(ddcrew_c41006_r)
AM_RANGE(0xC44000, 0xC44001) AM_WRITENOP
AM_RANGE(0xc46600, 0xc46601) AM_WRITE(sys18_refreshenable_w)
AM_RANGE(0xffc000, 0xffffff) AM_RAM
AM_RANGE(0xC46038, 0xC4603f) AM_WRITE(ddcrewbl_spritebank_w) // ok
AM_RANGE(0xC46000, 0xC46001) AM_WRITENOP
AM_RANGE(0xC46010, 0xC46011) AM_WRITENOP
AM_RANGE(0xC46020, 0xC46021) AM_WRITENOP
AM_RANGE(0xC46040, 0xC46041) AM_WRITENOP
AM_RANGE(0xC46050, 0xC46051) AM_WRITENOP
AM_RANGE(0xC46060, 0xC46061) AM_WRITENOP
AM_RANGE(0xC46062, 0xC46063) AM_WRITENOP
AM_RANGE(0xC46064, 0xC46065) AM_WRITENOP
AM_RANGE(0xC46070, 0xC46071) AM_WRITENOP
AM_RANGE(0xffc000, 0xffffff) AM_RAM // ok
ADDRESS_MAP_END
/*************************************
@ -2472,6 +2503,18 @@ static MACHINE_CONFIG_DERIVED( shdancbla, system18 )
MACHINE_CONFIG_END
MACHINE_RESET_MEMBER(segas1x_bootleg_state,ddcrewbl)
{
// set up the initial banks for this game
// because it doesn't appear to actually program banks 0-3.
for (int i = 0; i < 4; i++)
{
m_sprites->set_bank((i)* 2 + 0, i * 2 + 0);
m_sprites->set_bank((i)* 2 + 1, i * 2 + 1);
}
}
static MACHINE_CONFIG_START( ddcrewbl, segas1x_bootleg_state )
/* basic machine hardware */
@ -2494,7 +2537,9 @@ static MACHINE_CONFIG_START( ddcrewbl, segas1x_bootleg_state )
MCFG_VIDEO_START_OVERRIDE(segas1x_bootleg_state,system18old)
MCFG_BOOTLEG_SYS16B_SPRITES_ADD("sprites")
MCFG_BOOTLEG_SYS16B_SPRITES_XORIGIN(189-107)
MCFG_BOOTLEG_SYS16B_SPRITES_XORIGIN(189-124)
MCFG_MACHINE_RESET_OVERRIDE(segas1x_bootleg_state,ddcrewbl)
MACHINE_CONFIG_END
@ -3740,7 +3785,6 @@ DRIVER_INIT_MEMBER(segas1x_bootleg_state,fpointbl)
DRIVER_INIT_MEMBER(segas1x_bootleg_state,ddcrewbl)
{
DRIVER_INIT_CALL(common);
m_spritebank_type = 0;
}

2
src/mame/includes/system16.h
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@ -131,6 +131,7 @@ public:
DECLARE_READ16_MEMBER(passht4b_io3_r);
DECLARE_READ16_MEMBER(ddcrew_c41006_r);
DECLARE_WRITE16_MEMBER(sys16_tilebank_w);
DECLARE_WRITE16_MEMBER(ddcrewbl_spritebank_w);
DECLARE_WRITE8_MEMBER(tturfbl_msm5205_data_w);
DECLARE_READ8_MEMBER(tturfbl_soundbank_r);
DECLARE_WRITE8_MEMBER(tturfbl_soundbank_w);
@ -187,6 +188,7 @@ public:
DECLARE_DRIVER_INIT(goldnaxeb1);
DECLARE_DRIVER_INIT(ddcrewbl);
DECLARE_DRIVER_INIT(common);
DECLARE_MACHINE_RESET(ddcrewbl);
TILEMAP_MAPPER_MEMBER(sys16_bg_map);
TILEMAP_MAPPER_MEMBER(sys16_text_map);
TILE_GET_INFO_MEMBER(get_bg_tile_info);

9
src/mame/video/system16.cpp
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@ -34,14 +34,7 @@
void segas1x_bootleg_state::setup_system16_bootleg_spritebanking( )
{
if (m_spritebank_type == 1)
{
static const UINT8 default_banklist[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
int i;
for (i = 0; i < 16; i++)
m_sprites->set_bank(i, default_banklist[i]);
}
else
if (m_spritebank_type == 0)
{
static const UINT8 alternate_banklist[] = { 0,255,255,255, 255,255,255,3, 255,255,255,2, 255,1,0,255 };
int i;