// license:BSD-3-Clause // copyright-holders:Nicola Salmoria /*************************************************************************** Konami Finalizer Functions to emulate the video hardware of the machine. ***************************************************************************/ #include "emu.h" #include "includes/finalizr.h" #include "video/resnet.h" #include "screen.h" /*************************************************************************** The palette PROMs are connected to the RGB output this way: bit 7 -- 220 ohm resistor -- \ -- 470 ohm resistor -- | -- 470 ohm pulldown resistor -- GREEN -- 1 kohm resistor -- | -- 2.2 kohm resistor -- / -- 220 ohm resistor -- \ -- 470 ohm resistor -- | -- 470 ohm pulldown resistor -- RED -- 1 kohm resistor -- | bit 0 -- 2.2 kohm resistor -- / bit 3 -- 220 ohm resistor -- \ -- 470 ohm resistor -- | -- 470 ohm pulldown resistor -- BLUE -- 1 kohm resistor -- | bit 0 -- 2.2 kohm resistor -- / ***************************************************************************/ void finalizr_state::finalizr_palette(palette_device &palette) const { const uint8_t *color_prom = memregion("proms")->base(); static constexpr int resistances[4] = { 2200, 1000, 470, 220 }; // compute the color output resistor weights double rweights[4], gweights[4], bweights[4]; compute_resistor_weights(0, 255, -1.0, 4, &resistances[0], rweights, 470, 0, 4, &resistances[0], gweights, 470, 0, 4, &resistances[0], bweights, 470, 0); // create a lookup table for the palette for (int i = 0; i < 0x20; i++) { int bit0, bit1, bit2, bit3; // red component bit0 = BIT(color_prom[i], 0); bit1 = BIT(color_prom[i], 1); bit2 = BIT(color_prom[i], 2); bit3 = BIT(color_prom[i], 3); int const r = combine_weights(rweights, bit0, bit1, bit2, bit3); // green component bit0 = BIT(color_prom[i], 4); bit1 = BIT(color_prom[i], 5); bit2 = BIT(color_prom[i], 6); bit3 = BIT(color_prom[i], 7); int const g = combine_weights(gweights, bit0, bit1, bit2, bit3); // blue component bit0 = BIT(color_prom[i + 0x20], 0); bit1 = BIT(color_prom[i + 0x20], 1); bit2 = BIT(color_prom[i + 0x20], 2); bit3 = BIT(color_prom[i + 0x20], 3); int const b = combine_weights(bweights, bit0, bit1, bit2, bit3); palette.set_indirect_color(i, rgb_t(r, g, b)); } // color_prom now points to the beginning of the lookup table color_prom += 0x40; for (int i = 0; i < 0x100; i++) { uint8_t const ctabentry = (color_prom[i] & 0x0f) | 0x10; palette.set_pen_indirect(i, ctabentry); } for (int i = 0x100; i < 0x200; i++) { uint8_t const ctabentry = color_prom[i] & 0x0f; palette.set_pen_indirect(i, ctabentry); } } TILE_GET_INFO_MEMBER(finalizr_state::get_bg_tile_info) { int attr = m_colorram[tile_index]; int code = m_videoram[tile_index] + ((attr & 0xc0) << 2) + (m_charbank << 10); int color = attr & 0x0f; int flags = TILE_FLIPYX((attr & 0x30) >> 4); SET_TILE_INFO_MEMBER(0, code, color, flags); } TILE_GET_INFO_MEMBER(finalizr_state::get_fg_tile_info) { int attr = m_colorram2[tile_index]; int code = m_videoram2[tile_index] + ((attr & 0xc0) << 2); int color = attr & 0x0f; int flags = TILE_FLIPYX((attr & 0x30) >> 4); SET_TILE_INFO_MEMBER(0, code, color, flags); } void finalizr_state::video_start() { m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(finalizr_state::get_bg_tile_info)), TILEMAP_SCAN_ROWS, 8, 8, 32, 32); m_fg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(finalizr_state::get_fg_tile_info)), TILEMAP_SCAN_ROWS, 8, 8, 32, 32); } /**************************************************************************/ void finalizr_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect) { gfx_element *gfx1 = m_gfxdecode->gfx(1); gfx_element *gfx2 = m_gfxdecode->gfx(2); uint8_t *sr = m_spriterambank ? m_spriteram_2 : m_spriteram; for (int offs = 0; offs <= m_spriteram.bytes() - 5; offs += 5) { int sx, sy, flipx, flipy, code, color, size; sx = 32 + 1 + sr[offs + 3] - ((sr[offs + 4] & 0x01) << 8); sy = sr[offs + 2]; flipx = sr[offs + 4] & 0x20; flipy = sr[offs + 4] & 0x40; code = sr[offs] + ((sr[offs + 1] & 0x0f) << 8); color = ((sr[offs + 1] & 0xf0) >> 4); // (sr[offs + 4] & 0x02) is used, meaning unknown size = sr[offs + 4] & 0x1c; if (size >= 0x10) { // 32x32 if (flip_screen()) { sx = 256 - sx; sy = 224 - sy; flipx = !flipx; flipy = !flipy; } gfx1->transpen(bitmap, cliprect, code + 0, color, flipx, flipy, flipx ? sx + 16 : sx, flipy ? sy + 16 : sy, 0); gfx1->transpen(bitmap, cliprect, code + 1, color, flipx, flipy, flipx ? sx : sx + 16, flipy ? sy + 16 : sy, 0); gfx1->transpen(bitmap, cliprect, code + 2, color, flipx, flipy, flipx ? sx + 16: sx , flipy ? sy : sy + 16, 0); gfx1->transpen(bitmap, cliprect, code + 3, color, flipx, flipy, flipx ? sx : sx + 16, flipy ? sy : sy + 16, 0); } else { if (flip_screen()) { sx = ((size & 0x08) ? 280: 272) - sx; sy = ((size & 0x04) ? 248: 240) - sy; flipx = !flipx; flipy = !flipy; } if (size == 0x00) { // 16x16 gfx1->transpen(bitmap, cliprect, code, color, flipx, flipy, sx, sy, 0); } else { code = ((code & 0x3ff) << 2) | ((code & 0xc00) >> 10); if (size == 0x04) { // 16x8 gfx2->transpen(bitmap, cliprect, code &~1, color, flipx, flipy, flipx ? sx + 8 : sx, sy, 0); gfx2->transpen(bitmap, cliprect, code | 1, color, flipx, flipy, flipx ? sx : sx + 8, sy, 0); } else if (size == 0x08) { // 8x16 gfx2->transpen(bitmap, cliprect, code &~2, color, flipx, flipy, sx, flipy ? sy + 8 : sy, 0); gfx2->transpen(bitmap, cliprect, code | 2, color, flipx, flipy, sx, flipy ? sy : sy + 8, 0); } else if (size == 0x0c) { // 8x8 gfx2->transpen(bitmap, cliprect, code, color, flipx, flipy, sx, sy, 0); } } } } } uint32_t finalizr_state::screen_update_finalizr(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { m_bg_tilemap->mark_all_dirty(); m_fg_tilemap->mark_all_dirty(); m_bg_tilemap->set_scrollx(0, *m_scroll - 32); m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 0); draw_sprites(bitmap, cliprect); // draw top status region const rectangle &visarea = screen.visible_area(); rectangle clip = cliprect; if (flip_screen()) { clip.min_x = visarea.max_x - 31; clip.max_x = visarea.max_x; } else { clip.min_x = visarea.min_x; clip.max_x = visarea.min_x + 31; } m_fg_tilemap->draw(screen, bitmap, clip, 0, 0); return 0; }