// license:BSD-3-Clause // copyright-holders:Nicola Salmoria /*************************************************************************** video.c Functions to emulate the video hardware of the machine. ***************************************************************************/ #include "emu.h" #include "includes/punchout.h" /*************************************************************************** Start the video hardware emulation. ***************************************************************************/ TILE_GET_INFO_MEMBER(punchout_state::top_get_info) { int attr = m_bg_top_videoram[tile_index*2 + 1]; int code = m_bg_top_videoram[tile_index*2] + ((attr & 0x03) << 8); int color = ((attr & 0x7c) >> 2); int flipx = attr & 0x80; SET_TILE_INFO_MEMBER(0, code, color, flipx ? TILE_FLIPX : 0); } TILE_GET_INFO_MEMBER(punchout_state::armwrest_top_get_info) { int attr = m_bg_top_videoram[tile_index*2 + 1]; int code = m_bg_top_videoram[tile_index*2] + ((attr & 0x03) << 8) + ((attr & 0x80) << 3); int color = ((attr & 0x7c) >> 2); SET_TILE_INFO_MEMBER(0, code, color, 0); } TILE_GET_INFO_MEMBER(punchout_state::bot_get_info) { int attr = m_bg_bot_videoram[tile_index*2 + 1]; int code = m_bg_bot_videoram[tile_index*2] + ((attr & 0x03) << 8); int color = ((attr & 0x7c) >> 2); int flipx = attr & 0x80; SET_TILE_INFO_MEMBER(1, code, color, flipx ? TILE_FLIPX : 0); } TILE_GET_INFO_MEMBER(punchout_state::armwrest_bot_get_info) { int attr = m_bg_bot_videoram[tile_index*2 + 1]; int code = m_bg_bot_videoram[tile_index*2] + ((attr & 0x03) << 8); int color = ((attr & 0x7c) >> 2) + 0x40; int flipx = attr & 0x80; SET_TILE_INFO_MEMBER(0, code, color, flipx ? TILE_FLIPX : 0); } TILE_GET_INFO_MEMBER(punchout_state::bs1_get_info) { int attr = m_spr1_videoram[tile_index*4 + 3]; int code = m_spr1_videoram[tile_index*4] + ((m_spr1_videoram[tile_index*4 + 1] & 0x1f) << 8); int color = attr & 0x1f; int flipx = attr & 0x80; SET_TILE_INFO_MEMBER(2, code, color, flipx ? TILE_FLIPX : 0); } TILE_GET_INFO_MEMBER(punchout_state::bs2_get_info) { int attr = m_spr2_videoram[tile_index*4 + 3]; int code = m_spr2_videoram[tile_index*4] + ((m_spr2_videoram[tile_index*4 + 1] & 0x0f) << 8); int color = attr & 0x3f; int flipx = attr & 0x80; SET_TILE_INFO_MEMBER(3, code, color, flipx ? TILE_FLIPX : 0); } TILE_GET_INFO_MEMBER(punchout_state::armwrest_fg_get_info) { int attr = m_armwrest_fg_videoram[tile_index*2 + 1]; int code = m_armwrest_fg_videoram[tile_index*2] + 256 * (attr & 0x07); int color = ((attr & 0xf8) >> 3); int flipx = attr & 0x80; SET_TILE_INFO_MEMBER(1, code, color, flipx ? TILE_FLIPX : 0); } TILEMAP_MAPPER_MEMBER(punchout_state::armwrest_bs1_scan) { int halfcols = num_cols/2; return (col/halfcols)*(halfcols*num_rows) + row*halfcols + col%halfcols; } TILEMAP_MAPPER_MEMBER(punchout_state::armwrest_bs1_scan_flipx) { int halfcols = num_cols/2; col ^=0x10; return (col/halfcols)*(halfcols*num_rows) + row*halfcols + col%halfcols; } void punchout_state::video_start() { m_bg_top_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(punchout_state::top_get_info)), TILEMAP_SCAN_ROWS, 8,8, 32,32); m_bg_bot_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(punchout_state::bot_get_info)), TILEMAP_SCAN_ROWS, 8,8, 64,32); m_bg_bot_tilemap->set_scroll_rows(32); m_spr1_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(punchout_state::bs1_get_info)), TILEMAP_SCAN_ROWS, 8,8, 16,32); m_spr2_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(punchout_state::bs2_get_info)), TILEMAP_SCAN_ROWS, 8,8, 16,32); m_fg_tilemap = nullptr; m_spr1_tilemap->set_transparent_pen(0x07); m_spr2_tilemap->set_transparent_pen(0x03); } VIDEO_START_MEMBER(punchout_state,armwrest) { m_bg_top_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(punchout_state::armwrest_top_get_info)), TILEMAP_SCAN_ROWS, 8,8, 32,32); m_bg_bot_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(punchout_state::armwrest_bot_get_info)), TILEMAP_SCAN_ROWS, 8,8, 32,32); m_spr1_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(punchout_state::bs1_get_info)), tilemap_mapper_delegate(*this, FUNC(punchout_state::armwrest_bs1_scan)), 8,8, 32,16); m_spr1_tilemap_flipx = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(punchout_state::bs1_get_info)), tilemap_mapper_delegate(*this, FUNC(punchout_state::armwrest_bs1_scan_flipx)), 8,8, 32,16); m_spr2_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(punchout_state::bs2_get_info)), TILEMAP_SCAN_ROWS, 8,8, 16,32); m_fg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(punchout_state::armwrest_fg_get_info)), TILEMAP_SCAN_ROWS, 8,8, 32,32); m_spr1_tilemap->set_transparent_pen(0x07); m_spr1_tilemap_flipx->set_transparent_pen(0x07); m_spr2_tilemap->set_transparent_pen(0x03); m_fg_tilemap->set_transparent_pen(0x07); } WRITE8_MEMBER(punchout_state::punchout_bg_top_videoram_w) { m_bg_top_videoram[offset] = data; m_bg_top_tilemap->mark_tile_dirty(offset/2); } WRITE8_MEMBER(punchout_state::punchout_bg_bot_videoram_w) { m_bg_bot_videoram[offset] = data; m_bg_bot_tilemap->mark_tile_dirty(offset/2); } WRITE8_MEMBER(punchout_state::armwrest_fg_videoram_w) { m_armwrest_fg_videoram[offset] = data; m_fg_tilemap->mark_tile_dirty(offset/2); } WRITE8_MEMBER(punchout_state::punchout_spr1_videoram_w) { m_spr1_videoram[offset] = data; m_spr1_tilemap->mark_tile_dirty(offset/4); if (m_spr1_tilemap_flipx) m_spr1_tilemap_flipx->mark_tile_dirty(offset/4); } WRITE8_MEMBER(punchout_state::punchout_spr2_videoram_w) { m_spr2_videoram[offset] = data; m_spr2_tilemap->mark_tile_dirty(offset/4); } void punchout_state::draw_big_sprite(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int palette) { int zoom; zoom = m_spr1_ctrlram[0] + 256 * (m_spr1_ctrlram[1] & 0x0f); if (zoom) { int sx,sy; uint32_t startx,starty; int incxx,incyy; sx = 4096 - (m_spr1_ctrlram[2] + 256 * (m_spr1_ctrlram[3] & 0x0f)); if (sx > 4096-4*127) sx -= 4096; sy = -(m_spr1_ctrlram[4] + 256 * (m_spr1_ctrlram[5] & 1)); if (sy <= -256 + zoom/0x40) sy += 512; sy += 12; incxx = zoom << 6; incyy = zoom << 6; startx = -sx * 0x4000; starty = -sy * 0x10000; startx += 3740 * zoom; /* adjustment to match the screen shots */ starty -= 178 * zoom; /* and make the hall of fame picture nice */ if (m_spr1_ctrlram[6] & 1) /* flip x */ { startx = ((16 * 8) << 16) - startx - 1; incxx = -incxx; } m_spr1_tilemap->set_palette_offset(0x100 * palette); m_spr1_tilemap->draw_roz(screen, bitmap, cliprect, startx,starty + 0x200*(2) * zoom, incxx,0,0,incyy, /* zoom, no rotation */ 0, /* no wraparound */ 0,0); } } void punchout_state::armwrest_draw_big_sprite(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int palette) { int zoom; zoom = m_spr1_ctrlram[0] + 256 * (m_spr1_ctrlram[1] & 0x0f); if (zoom) { int sx,sy; uint32_t startx,starty; int incxx,incyy; tilemap_t *_tilemap; sx = 4096 - (m_spr1_ctrlram[2] + 256 * (m_spr1_ctrlram[3] & 0x0f)); if (sx > 2048) sx -= 4096; sy = -(m_spr1_ctrlram[4] + 256 * (m_spr1_ctrlram[5] & 1)); if (sy <= -256 + zoom/0x40) sy += 512; sy += 12; incxx = zoom << 6; incyy = zoom << 6; startx = -sx * 0x4000; starty = -sy * 0x10000; startx += 3740 * zoom; /* adjustment to match the screen shots */ starty -= 178 * zoom; /* and make the hall of fame picture nice */ if (m_spr1_ctrlram[6] & 1) /* flip x */ { _tilemap = m_spr1_tilemap_flipx; startx = ((32 * 8) << 16) - startx - 1; incxx = -incxx; } else _tilemap = m_spr1_tilemap; _tilemap->set_palette_offset(0x100 * palette); _tilemap->draw_roz(screen, bitmap, cliprect, startx,starty + 0x200*(2) * zoom, incxx,0,0,incyy, /* zoom, no rotation */ 0, /* no wraparound */ 0,0); } } void punchout_state::drawbs2(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { int sx,sy; int incxx; sx = 512 - (m_spr2_ctrlram[0] + 256 * (m_spr2_ctrlram[1] & 1)); if (sx > 512-127) sx -= 512; sx -= 55; /* adjustment to match the screen shots */ sy = -m_spr2_ctrlram[2] + 256 * (m_spr2_ctrlram[3] & 1); sy += 3; /* adjustment to match the screen shots */ sx = -sx << 16; sy = -sy << 16; if (m_spr2_ctrlram[4] & 1) /* flip x */ { sx = ((16 * 8) << 16) - sx - 1; incxx = -1; } else incxx = 1; // this tilemap doesn't actually zoom, but draw_roz is the only way to draw it without wraparound m_spr2_tilemap->draw_roz(screen, bitmap, cliprect, sx, sy, incxx << 16, 0, 0, 1 << 16, 0, 0, 0); } void punchout_state::punchout_copy_top_palette(int bank) { int i; const uint8_t *color_prom = memregion("proms")->base(); // top monitor palette for (i = 0; i < 0x100; i++) { int base = 0x100 * bank; int r, g, b; r = 255 - pal4bit(color_prom[i + 0x000 + base]); g = 255 - pal4bit(color_prom[i + 0x200 + base]); b = 255 - pal4bit(color_prom[i + 0x400 + base]); m_palette->set_pen_color(i, rgb_t(r, g, b)); // pink labeled color proms //m_palette->set_pen_color(i ^ 0xff, rgb_t(r, g, b)); // in case of white labeled color proms } } void punchout_state::punchout_copy_bot_palette(int bank) { int i; const uint8_t *color_prom = memregion("proms")->base() + 0x600; // bottom monitor palette for (i = 0; i < 0x100; i++) { int base = 0x100 * bank; int r, g, b; r = 255 - pal4bit(color_prom[i + 0x000 + base]); g = 255 - pal4bit(color_prom[i + 0x200 + base]); b = 255 - pal4bit(color_prom[i + 0x400 + base]); m_palette->set_pen_color(i + 0x100, rgb_t(r, g, b)); // pink labeled color proms //m_palette->set_pen_color((i ^ 0xff) + 0x100, rgb_t(r, g, b)); // in case of white labeled color proms } } uint32_t punchout_state::screen_update_punchout_top(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { punchout_copy_top_palette(BIT(*m_palettebank,1)); m_bg_top_tilemap->draw(screen, bitmap, cliprect, 0, 0); if (m_spr1_ctrlram[7] & 1) /* display in top monitor */ draw_big_sprite(screen, bitmap, cliprect, 0); return 0; } uint32_t punchout_state::screen_update_punchout_bottom(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { int offs; punchout_copy_bot_palette(BIT(*m_palettebank,0)); /* copy the character mapped graphics */ for (offs = 0;offs < 32;offs++) m_bg_bot_tilemap->set_scrollx(offs, 58 + m_bg_bot_videoram[2*offs] + 256 * (m_bg_bot_videoram[2*offs + 1] & 0x01)); m_bg_bot_tilemap->draw(screen, bitmap, cliprect, 0, 0); if (m_spr1_ctrlram[7] & 2) /* display in bottom monitor */ draw_big_sprite(screen, bitmap, cliprect, 1); drawbs2(screen, bitmap, cliprect); return 0; } uint32_t punchout_state::screen_update_armwrest_top(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { punchout_copy_top_palette(BIT(*m_palettebank,1)); m_bg_top_tilemap->draw(screen, bitmap, cliprect, 0, 0); if (m_spr1_ctrlram[7] & 1) /* display in top monitor */ armwrest_draw_big_sprite(screen, bitmap, cliprect, 0); return 0; } uint32_t punchout_state::screen_update_armwrest_bottom(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { punchout_copy_bot_palette(BIT(*m_palettebank,0)); m_bg_bot_tilemap->draw(screen, bitmap, cliprect, 0, 0); if (m_spr1_ctrlram[7] & 2) /* display in bottom monitor */ armwrest_draw_big_sprite(screen, bitmap, cliprect, 1); drawbs2(screen, bitmap, cliprect); m_fg_tilemap->draw(screen, bitmap, cliprect, 0, 0); return 0; }