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wyse/wy85.cpp: Slight optimization

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This commit is contained in:
AJR 2024-12-03 09:12:04 -05:00
parent 3b5843e0c7
commit 1ba6e17f3b
1 changed files with 9 additions and 3 deletions
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12
src/mame/wyse/wy85.cpp
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@ -128,11 +128,17 @@ SCN2672_DRAW_CHARACTER_MEMBER(wy85_state::draw_character)
}
u8 lc = m_lc + (m_clr_rb ? 0 : linecount);
u16 a = bitswap<2>(attrcode, 5, 6) << 11 | ((charcode & 0x7f) << 4) | (lc & 0xf);
u16 c = BIT(attrcode, 3) && (lc & 9) == 9 ? 0x3ff : a >= 0x1800 ? m_fontram[a - 0x1800] << 2 : m_chargen[a] << 2;
rgb_t fg = !BIT(attrcode, 1) || (BIT(attrcode, 4) && blink) ? rgb_t(0xc0, 0xc0, 0xc0) : rgb_t::white();
bool inv = (BIT(attrcode, 2) != cursor) == m_tru_inv;
if (BIT(attrcode, 3) && (lc & 9) == 9)
{
std::fill_n(&bitmap.pix(y, x), 10, inv ? rgb_t::black() : fg);
return;
}
u16 a = bitswap<2>(attrcode, 5, 6) << 11 | ((charcode & 0x7f) << 4) | (lc & 0xf);
u16 c = a >= 0x1800 ? m_fontram[a - 0x1800] << 2 : m_chargen[a] << 2;
if (inv && BIT(c, 2))
c |= 3;
if (BIT(attrcode, 0, 2) == 3)