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sprites (nw)

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This commit is contained in:
David Haywood 2016-02-09 19:35:41 +00:00
parent 8dbafe19ea
commit 1fce247887
1 changed files with 18 additions and 21 deletions
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39
src/mame/drivers/flagrall.cpp
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@ -22,12 +22,10 @@ public:
required_shared_ptr<UINT16> m_bak_videoram;
/* video-related */
tilemap_t *m_spr_tilemap;
tilemap_t *m_bak_tilemap;
DECLARE_WRITE16_MEMBER(flagrall_spr_videoram_w);
DECLARE_WRITE16_MEMBER(flagrall_bak_videoram_w);
TILE_GET_INFO_MEMBER(get_flagrall_spr_tile_info);
TILE_GET_INFO_MEMBER(get_flagrall_bak_tile_info);
virtual void video_start() override;
UINT32 screen_update_flagrall(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
required_device<cpu_device> m_maincpu;
@ -46,17 +44,6 @@ public:
WRITE16_MEMBER(flagrall_state::flagrall_spr_videoram_w)
{
COMBINE_DATA(&m_spr_videoram[offset]);
m_spr_tilemap->mark_tile_dirty(offset);
}
TILE_GET_INFO_MEMBER(flagrall_state::get_flagrall_spr_tile_info)
{
int tileno = m_spr_videoram[tile_index]/2;
SET_TILE_INFO_MEMBER(0, tileno, 1, 0);
}
WRITE16_MEMBER(flagrall_state::flagrall_xscroll_w)
{
@ -95,10 +82,6 @@ TILE_GET_INFO_MEMBER(flagrall_state::get_flagrall_bak_tile_info)
void flagrall_state::video_start()
{
// doesn't actually seem to be be a tilemap, there is other data at the end of it ? sprite strips I guess
m_spr_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(flagrall_state::get_flagrall_spr_tile_info),this), TILEMAP_SCAN_ROWS, 16, 16, 20, 64);
m_spr_tilemap->set_transparent_pen(0x00);
m_bak_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(flagrall_state::get_flagrall_bak_tile_info),this), TILEMAP_SCAN_ROWS, 16, 16, 32, 32);
}
@ -106,7 +89,22 @@ UINT32 flagrall_state::screen_update_flagrall(screen_device &screen, bitmap_ind1
{
m_bak_tilemap->draw(screen, bitmap, cliprect, 0, 0);
m_spr_tilemap->draw(screen, bitmap, cliprect, 0, 0);
for (int i = 0;i < 0x1000 / 2;i++)
{
gfx_element *gfx = m_gfxdecode->gfx(0);
int sprx = m_spr_info[i] >> 8;
int spry = m_spr_info[i] & 0x00ff;
sprx |= (m_spr_videoram[i] & 0x01) << 8;
UINT16 sprtile = m_spr_videoram[i] >> 1;
gfx->transpen(bitmap,cliprect,sprtile,1,0,0,sprx,spry,0);
gfx->transpen(bitmap,cliprect,sprtile,1,0,0,sprx,spry-0x100,0);
gfx->transpen(bitmap,cliprect,sprtile,1,0,0,sprx-0x200,spry,0);
gfx->transpen(bitmap,cliprect,sprtile,1,0,0,sprx-0x200,spry-0x100,0);
}
return 0;
}
@ -117,7 +115,7 @@ static ADDRESS_MAP_START( flagrall_map, AS_PROGRAM, 16, flagrall_state )
AM_RANGE(0x200000, 0x2003ff) AM_RAM_DEVWRITE("palette", palette_device, write) AM_SHARE("palette") // clears 0x200 - 0x3ff on startup, but writes 00 values to the other half at times?
AM_RANGE(0x240000, 0x240fff) AM_RAM AM_SHARE("spr_info")
AM_RANGE(0x280000, 0x280fff) AM_RAM_WRITE(flagrall_spr_videoram_w) AM_SHARE("spr_videoram")
AM_RANGE(0x280000, 0x280fff) AM_RAM AM_SHARE("spr_videoram")
AM_RANGE(0x2c0000, 0x2c07ff) AM_RAM_WRITE(flagrall_bak_videoram_w) AM_SHARE("bak_videoram")
AM_RANGE(0x340000, 0x340001) AM_WRITE(flagrall_xscroll_w)
@ -127,7 +125,6 @@ static ADDRESS_MAP_START( flagrall_map, AS_PROGRAM, 16, flagrall_state )
AM_RANGE(0x400000, 0x400001) AM_READ_PORT("IN0")
AM_RANGE(0x440000, 0x440001) AM_READ_PORT("IN1")
AM_RANGE(0x480000, 0x480001) AM_READ_PORT("IN2")
// AM_RANGE(0x4c0000, 0x4c0001) AM_READ_PORT("IN3")
AM_RANGE(0x4c0000, 0x4c0001) AM_DEVREADWRITE8("oki", okim6295_device, read, write, 0x00ff)
ADDRESS_MAP_END