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added a PPU function eventually needed by MMC5 NES boards. no whatsnew.

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This commit is contained in:
Fabio Priuli 2010-06-27 12:13:52 +00:00
parent a456b3322d
commit 5a3f86829f
2 changed files with 8 additions and 0 deletions
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7
src/mame/video/ppu2c0x.c
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@ -1237,6 +1237,13 @@ int ppu2c0x_get_current_scanline( running_device *device )
return ppu2c0x->scanline;
}
// MMC5 has to be able to check this
int ppu2c0x_is_sprite_8x16( running_device *device )
{
ppu2c0x_state *ppu2c0x = get_token(device);
return BIT(ppu2c0x->regs[0], 5);
}
void ppu2c0x_set_scanline_callback( running_device *device, ppu2c0x_scanline_cb cb )
{
ppu2c0x_state *ppu2c0x = get_token(device);

1
src/mame/video/ppu2c0x.h
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@ -113,6 +113,7 @@ void ppu2c0x_render( running_device *device, bitmap_t *bitmap, int flipx, int fl
int ppu2c0x_get_pixel( running_device *device, int x, int y ) ATTR_NONNULL(1);
int ppu2c0x_get_colorbase( running_device *device ) ATTR_NONNULL(1);
int ppu2c0x_get_current_scanline( running_device *device ) ATTR_NONNULL(1);
int ppu2c0x_is_sprite_8x16( running_device *device ) ATTR_NONNULL(1);
void ppu2c0x_set_scanline_callback( running_device *device, ppu2c0x_scanline_cb cb ) ATTR_NONNULL(1);
void ppu2c0x_set_hblank_callback( running_device *device, ppu2c0x_scanline_cb cb ) ATTR_NONNULL(1);
void ppu2c0x_set_vidaccess_callback( running_device *device, ppu2c0x_vidaccess_cb cb ) ATTR_NONNULL(1);