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Diffstat (limited to 'src/mame/drivers/missb2.c')
-rw-r--r--src/mame/drivers/missb2.c34
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)