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tweak (nw)

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This commit is contained in:
David Haywood 2016-03-01 19:46:32 +00:00
parent 3b3c516a3d
commit 6d0c46eacc
3 changed files with 15 additions and 5 deletions
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2
src/mame/drivers/blackt96.cpp
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@ -376,7 +376,7 @@ static MACHINE_CONFIG_START( blackt96, blackt96_state )
MCFG_SNK68_SPR_GFXDECODE("gfxdecode")
MCFG_SNK68_SPR_PALETTE("palette")
MCFG_SNK68_SPR_SET_TILE_INDIRECT( blackt96_state, tile_callback )
MCFG_SNK68_SPR_NO_PARTIAL
MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")

11
src/mame/video/snk68_spr.cpp
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@ -13,7 +13,8 @@ snk68_spr_device::snk68_spr_device(const machine_config &mconfig, const char *ta
m_palette(*this),
m_spriteram(*this, "^spriteram"),
m_screen(*this, "^screen"),
m_flipscreen(0)
m_flipscreen(0),
m_partialupdates(1)
{
m_newtilecb = snk68_tile_indirection_delegate(FUNC(snk68_spr_device::tile_callback_noindirect), this);
}
@ -51,7 +52,11 @@ void snk68_spr_device::set_tile_indirect_cb(device_t &device,snk68_tile_indirect
dev.m_newtilecb = newtilecb;
}
void snk68_spr_device::static_set_no_partial(device_t &device)
{
snk68_spr_device &dev = downcast<snk68_spr_device &>(device);
dev.m_partialupdates = 0;
}
void snk68_spr_device::device_start()
{
@ -87,7 +92,7 @@ WRITE16_MEMBER(snk68_spr_device::spriteram_w)
int vpos = m_screen->vpos();
if (vpos > 0)
m_screen->update_partial(vpos - 1);
if (m_partialupdates) m_screen->update_partial(vpos - 1);
m_spriteram[offset] = newword;
}

7
src/mame/video/snk68_spr.h
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@ -6,6 +6,9 @@ typedef device_delegate<void (int&, int&, int&, int&)> snk68_tile_indirection_de
snk68_spr_device::static_set_palette_tag(*device, "^" _palette_tag);
#define MCFG_SNK68_SPR_SET_TILE_INDIRECT( _class, _method) \
snk68_spr_device::set_tile_indirect_cb(*device, snk68_tile_indirection_delegate(&_class::_method, #_class "::" #_method, NULL, (_class *)0));
#define MCFG_SNK68_SPR_NO_PARTIAL \
snk68_spr_device::static_set_no_partial(*device);
class snk68_spr_device : public device_t
{
@ -16,6 +19,7 @@ public:
static void static_set_gfxdecode_tag(device_t &device, const char *tag);
static void static_set_palette_tag(device_t &device, const char *tag);
static void set_tile_indirect_cb(device_t &device,snk68_tile_indirection_delegate newtilecb);
static void static_set_no_partial(device_t &device);
DECLARE_READ16_MEMBER(spriteram_r);
DECLARE_WRITE16_MEMBER(spriteram_w);
@ -24,7 +28,7 @@ public:
snk68_tile_indirection_delegate m_newtilecb;
void tile_callback_noindirect(int& tile, int& fx, int& ft, int& region);
void tile_callback_noindirect(int& tile, int& fx, int& fy, int& region);
void set_flip(int flip);
protected:
@ -37,6 +41,7 @@ private:
required_shared_ptr<UINT16> m_spriteram;
required_device<screen_device> m_screen;
int m_flipscreen;
int m_partialupdates; // the original hardware needs this, the cloned hardware does not.
};