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Diffstat (limited to 'src/mame/video/divebomb.cpp')
-rw-r--r--src/mame/video/divebomb.cpp172
1 files changed, 86 insertions, 86 deletions
diff --git a/src/mame/video/divebomb.cpp b/src/mame/video/divebomb.cpp
index 275ef64e173..1da5769aa31 100644
--- a/src/mame/video/divebomb.cpp
+++ b/src/mame/video/divebomb.cpp
@@ -20,13 +20,13 @@
TILE_GET_INFO_MEMBER(divebomb_state::get_fg_tile_info)
{
- UINT32 code = m_fgram[tile_index + 0x000];
- UINT32 attr = m_fgram[tile_index + 0x400];
- UINT32 colour = attr >> 4;
+ UINT32 code = m_fgram[tile_index + 0x000];
+ UINT32 attr = m_fgram[tile_index + 0x400];
+ UINT32 colour = attr >> 4;
- code |= (attr & 0x3) << 8;
+ code |= (attr & 0x3) << 8;
- SET_TILE_INFO_MEMBER(0, code, colour, 0);
+ SET_TILE_INFO_MEMBER(0, code, colour, 0);
}
@@ -39,15 +39,15 @@ TILE_GET_INFO_MEMBER(divebomb_state::get_fg_tile_info)
K051316_CB_MEMBER(divebomb_state::zoom_callback_1)
{
- *code |= (*color & 0x03) << 8;
- *color = 0 + ((roz_pal >> 4) & 3);
+ *code |= (*color & 0x03) << 8;
+ *color = 0 + ((roz_pal >> 4) & 3);
}
K051316_CB_MEMBER(divebomb_state::zoom_callback_2)
{
- *code |= (*color & 0x03) << 8;
- *color = 4 + (roz_pal & 3);
+ *code |= (*color & 0x03) << 8;
+ *color = 4 + (roz_pal & 3);
}
@@ -60,47 +60,47 @@ K051316_CB_MEMBER(divebomb_state::zoom_callback_2)
WRITE8_MEMBER(divebomb_state::fgram_w)
{
- m_fgram[offset] = data;
- m_fg_tilemap->mark_tile_dirty(offset & 0x3ff);
+ m_fgram[offset] = data;
+ m_fg_tilemap->mark_tile_dirty(offset & 0x3ff);
}
WRITE8_MEMBER(divebomb_state::rozcpu_wrap1_enable_w)
{
- roz1_wrap = !(data & 1);
+ roz1_wrap = !(data & 1);
}
WRITE8_MEMBER(divebomb_state::rozcpu_enable1_w)
{
- roz1_enable = !(data & 1);
+ roz1_enable = !(data & 1);
}
WRITE8_MEMBER(divebomb_state::rozcpu_enable2_w)
{
- roz2_enable = !(data & 1);
+ roz2_enable = !(data & 1);
}
WRITE8_MEMBER(divebomb_state::rozcpu_wrap2_enable_w)
{
- roz2_wrap = !(data & 1);
+ roz2_wrap = !(data & 1);
}
WRITE8_MEMBER(divebomb_state::rozcpu_pal_w)
{
- //.... ..xx K051316 1 palette select
- //..xx .... K051316 2 palette select
-
- roz_pal = data;
-
- m_k051316_2->mark_tmap_dirty();
- m_k051316_1->mark_tmap_dirty();
-
- if (data & 0xcc)
- logerror("rozcpu_port50_w %02x\n", data);
+ //.... ..xx K051316 1 palette select
+ //..xx .... K051316 2 palette select
+
+ roz_pal = data;
+
+ m_k051316_2->mark_tmap_dirty();
+ m_k051316_1->mark_tmap_dirty();
+
+ if (data & 0xcc)
+ logerror("rozcpu_port50_w %02x\n", data);
}
@@ -113,50 +113,50 @@ WRITE8_MEMBER(divebomb_state::rozcpu_pal_w)
void divebomb_state::decode_proms(const UINT8 * rgn, int size, int index, bool inv)
{
- static const int resistances[4] = { 2000, 1000, 470, 220 };
-
- double rweights[4], gweights[4], bweights[4];
-
- /* compute the color output resistor weights */
- compute_resistor_weights(0, 255, -1.0,
- 4, resistances, rweights, 0, 0,
- 4, resistances, gweights, 0, 0,
- 4, resistances, bweights, 0, 0);
-
- /* create a lookup table for the palette */
- for (UINT32 i = 0; i < size; ++i)
- {
- UINT32 rdata = rgn[i + size*2] & 0x0f;
- UINT32 r = combine_4_weights(rweights, BIT(rdata, 0), BIT(rdata, 1), BIT(rdata, 2), BIT(rdata, 3));
-
- UINT32 gdata = rgn[i + size] & 0x0f;
- UINT32 g = combine_4_weights(gweights, BIT(gdata, 0), BIT(gdata, 1), BIT(gdata, 2), BIT(gdata, 3));
-
- UINT32 bdata = rgn[i] & 0x0f;
- UINT32 b = combine_4_weights(bweights, BIT(bdata, 0), BIT(bdata, 1), BIT(bdata, 2), BIT(bdata, 3));
-
- if (!inv)
- m_palette->set_pen_color(index + i, rgb_t(r, g, b));
- else
- m_palette->set_pen_color(index + (i ^ 0xff), rgb_t(r, g, b));
- }
+ static const int resistances[4] = { 2000, 1000, 470, 220 };
+
+ double rweights[4], gweights[4], bweights[4];
+
+ /* compute the color output resistor weights */
+ compute_resistor_weights(0, 255, -1.0,
+ 4, resistances, rweights, 0, 0,
+ 4, resistances, gweights, 0, 0,
+ 4, resistances, bweights, 0, 0);
+
+ /* create a lookup table for the palette */
+ for (UINT32 i = 0; i < size; ++i)
+ {
+ UINT32 rdata = rgn[i + size*2] & 0x0f;
+ UINT32 r = combine_4_weights(rweights, BIT(rdata, 0), BIT(rdata, 1), BIT(rdata, 2), BIT(rdata, 3));
+
+ UINT32 gdata = rgn[i + size] & 0x0f;
+ UINT32 g = combine_4_weights(gweights, BIT(gdata, 0), BIT(gdata, 1), BIT(gdata, 2), BIT(gdata, 3));
+
+ UINT32 bdata = rgn[i] & 0x0f;
+ UINT32 b = combine_4_weights(bweights, BIT(bdata, 0), BIT(bdata, 1), BIT(bdata, 2), BIT(bdata, 3));
+
+ if (!inv)
+ m_palette->set_pen_color(index + i, rgb_t(r, g, b));
+ else
+ m_palette->set_pen_color(index + (i ^ 0xff), rgb_t(r, g, b));
+ }
}
PALETTE_INIT_MEMBER(divebomb_state, divebomb)
{
- decode_proms(memregion("spr_proms")->base(), 0x100, 0x400 + 0x400 + 0x400, false);
- decode_proms(memregion("fg_proms")->base(), 0x400, 0x400 + 0x400, false);
- decode_proms(memregion("k051316_1_pr")->base(), 0x400, 0, true);
- decode_proms(memregion("k051316_2_pr")->base(), 0x400, 0x400, true);
+ decode_proms(memregion("spr_proms")->base(), 0x100, 0x400 + 0x400 + 0x400, false);
+ decode_proms(memregion("fg_proms")->base(), 0x400, 0x400 + 0x400, false);
+ decode_proms(memregion("k051316_1_pr")->base(), 0x400, 0, true);
+ decode_proms(memregion("k051316_2_pr")->base(), 0x400, 0x400, true);
}
VIDEO_START_MEMBER(divebomb_state,divebomb)
{
- m_fg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(divebomb_state::get_fg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);
- m_fg_tilemap->set_transparent_pen(0);
- m_fg_tilemap->set_scrolly(0, 16);
+ m_fg_tilemap = &machine().tilemap().create(m_gfxdecode, tilemap_get_info_delegate(FUNC(divebomb_state::get_fg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 32, 32);
+ m_fg_tilemap->set_transparent_pen(0);
+ m_fg_tilemap->set_scrolly(0, 16);
}
@@ -169,41 +169,41 @@ VIDEO_START_MEMBER(divebomb_state,divebomb)
void divebomb_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect)
{
- const UINT8 *spriteram = m_spriteram;
-
- for (UINT32 i = 0; i < m_spriteram.bytes(); i += 4)
- {
- UINT32 sy = spriteram[i + 3];
- UINT32 sx = spriteram[i + 0];
- UINT32 code = spriteram[i + 2];
- UINT32 attr = spriteram[i + 1];
-
- code += (attr & 0x0f) << 8;
-
- UINT32 colour = attr >> 4;
-
- m_gfxdecode->gfx(1)->transpen(bitmap, cliprect, code, colour, 0, 0, sx, sy, 0);
- m_gfxdecode->gfx(1)->transpen(bitmap, cliprect, code, colour, 0, 0, sx, sy-256, 0);
- }
+ const UINT8 *spriteram = m_spriteram;
+
+ for (UINT32 i = 0; i < m_spriteram.bytes(); i += 4)
+ {
+ UINT32 sy = spriteram[i + 3];
+ UINT32 sx = spriteram[i + 0];
+ UINT32 code = spriteram[i + 2];
+ UINT32 attr = spriteram[i + 1];
+
+ code += (attr & 0x0f) << 8;
+
+ UINT32 colour = attr >> 4;
+
+ m_gfxdecode->gfx(1)->transpen(bitmap, cliprect, code, colour, 0, 0, sx, sy, 0);
+ m_gfxdecode->gfx(1)->transpen(bitmap, cliprect, code, colour, 0, 0, sx, sy-256, 0);
+ }
}
UINT32 divebomb_state::screen_update_divebomb(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
- m_k051316_1->wraparound_enable(roz1_wrap);
- m_k051316_2->wraparound_enable(roz2_wrap);
+ m_k051316_1->wraparound_enable(roz1_wrap);
+ m_k051316_2->wraparound_enable(roz2_wrap);
+
+ bitmap.fill(m_palette->black_pen(), cliprect);
- bitmap.fill(m_palette->black_pen(), cliprect);
+ if (roz2_enable)
+ m_k051316_2->zoom_draw(screen, bitmap, cliprect, 0, 0);
- if (roz2_enable)
- m_k051316_2->zoom_draw(screen, bitmap, cliprect, 0, 0);
-
- if (roz1_enable)
- m_k051316_1->zoom_draw(screen, bitmap, cliprect, 0, 0);
+ if (roz1_enable)
+ m_k051316_1->zoom_draw(screen, bitmap, cliprect, 0, 0);
- draw_sprites(bitmap, cliprect);
+ draw_sprites(bitmap, cliprect);
- m_fg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
+ m_fg_tilemap->draw(screen, bitmap, cliprect, 0, 0);
- return 0;
+ return 0;
}