diff options
Diffstat (limited to 'src/mame/drivers/missb2.c')
-rw-r--r-- | src/mame/drivers/missb2.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/src/mame/drivers/missb2.c b/src/mame/drivers/missb2.c index be1fb526fc6..42da7a77c33 100644 --- a/src/mame/drivers/missb2.c +++ b/src/mame/drivers/missb2.c @@ -38,14 +38,14 @@ public: DECLARE_DRIVER_INIT(missb2); DECLARE_MACHINE_START(missb2); DECLARE_MACHINE_RESET(missb2); + UINT32 screen_update_missb2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); }; /* Video Hardware */ -static SCREEN_UPDATE_IND16( missb2 ) +UINT32 missb2_state::screen_update_missb2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { - missb2_state *state = screen.machine().driver_data<missb2_state>(); int offs; int sx, sy, xc, yc; int gfx_num, gfx_attr, gfx_offs; @@ -59,12 +59,12 @@ static SCREEN_UPDATE_IND16( missb2 ) bitmap.fill(255, cliprect); - if (!state->m_video_enable) + if (!m_video_enable) return 0; /* background map register */ - //popmessage("%02x",(*state->m_bgvram) & 0x1f); - for (bg_offs = ((*state->m_bgvram) << 4); bg_offs < (((*state->m_bgvram) << 4) | 0xf); bg_offs++) + //popmessage("%02x",(*m_bgvram) & 0x1f); + for (bg_offs = ((*m_bgvram) << 4); bg_offs < (((*m_bgvram) << 4) | 0xf); bg_offs++) { drawgfx_opaque(bitmap,cliprect,screen.machine().gfx[1], bg_offs, @@ -77,23 +77,23 @@ static SCREEN_UPDATE_IND16( missb2 ) sx = 0; prom = screen.machine().root_device().memregion("proms")->base(); - for (offs = 0; offs < state->m_objectram.bytes(); offs += 4) + for (offs = 0; offs < m_objectram.bytes(); offs += 4) { /* skip empty sprites */ /* this is dword aligned so the UINT32 * cast shouldn't give problems */ /* on any architecture */ - if (*(UINT32 *)(&state->m_objectram[offs]) == 0) + if (*(UINT32 *)(&m_objectram[offs]) == 0) continue; - gfx_num = state->m_objectram[offs + 1]; - gfx_attr = state->m_objectram[offs + 3]; + gfx_num = m_objectram[offs + 1]; + gfx_attr = m_objectram[offs + 3]; prom_line = prom + 0x80 + ((gfx_num & 0xe0) >> 1); gfx_offs = ((gfx_num & 0x1f) * 0x80); if ((gfx_num & 0xa0) == 0xa0) gfx_offs |= 0x1000; - sy = -state->m_objectram[offs + 0]; + sy = -m_objectram[offs + 0]; for (yc = 0; yc < 32; yc++) { @@ -101,7 +101,7 @@ static SCREEN_UPDATE_IND16( missb2 ) if (!(prom_line[yc / 2] & 0x04)) /* next column */ { - sx = state->m_objectram[offs + 2]; + sx = m_objectram[offs + 2]; if (gfx_attr & 0x40) sx -= 256; } @@ -111,14 +111,14 @@ static SCREEN_UPDATE_IND16( missb2 ) goffs = gfx_offs + xc * 0x40 + (yc & 7) * 0x02 + (prom_line[yc/2] & 0x03) * 0x10; - code = state->m_videoram[goffs] + 256 * (state->m_videoram[goffs + 1] & 0x03) + 1024 * (gfx_attr & 0x0f); - //color = (state->m_videoram[goffs + 1] & 0x3c) >> 2; - flipx = state->m_videoram[goffs + 1] & 0x40; - flipy = state->m_videoram[goffs + 1] & 0x80; + code = m_videoram[goffs] + 256 * (m_videoram[goffs + 1] & 0x03) + 1024 * (gfx_attr & 0x0f); + //color = (m_videoram[goffs + 1] & 0x3c) >> 2; + flipx = m_videoram[goffs + 1] & 0x40; + flipy = m_videoram[goffs + 1] & 0x80; x = sx + xc * 8; y = (sy + yc * 8) & 0xff; - if (state->flip_screen()) + if (flip_screen()) { x = 248 - x; y = 248 - y; @@ -484,7 +484,7 @@ static MACHINE_CONFIG_START( missb2, missb2_state ) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MCFG_SCREEN_SIZE(32*8, 32*8) MCFG_SCREEN_VISIBLE_AREA(0, 32*8-1, 2*8, 30*8-1) - MCFG_SCREEN_UPDATE_STATIC(missb2) + MCFG_SCREEN_UPDATE_DRIVER(missb2_state, screen_update_missb2) MCFG_GFXDECODE(missb2) MCFG_PALETTE_LENGTH(512) |