trunk/src/emu/video/upd7220.c
| r241399 | r241400 | |
|---|
| 775 | 775 | |
| 776 | 776 | void upd7220_device::draw_pixel(int x, int y, int xi, UINT16 tile_data) |
| 777 | 777 | { |
| 778 | | UINT32 addr = ((y * m_pitch * 2) + (x >> 3)) & 0x3ffff; |
| 778 | UINT32 addr = ((y * (m_pitch << (m_figs.m_gd ? 0 : 1))) + (x >> 3)) & 0x3ffff; |
| 779 | 779 | UINT8 data = readbyte(addr); |
| 780 | 780 | UINT8 new_pixel = (xi & 8 ? tile_data >> 8 : tile_data & 0xff) & (0x80 >> (xi & 7)); |
| 781 | 781 | new_pixel = new_pixel ? (0xff & (0x80 >> (x & 7))) : 0; |
| r241399 | r241400 | |
|---|
| 1584 | 1584 | Quarth (PC-98xx) doesn't seem to use pitch here and it definitely wants bsy to be /2 to make scrolling to work. |
| 1585 | 1585 | Xevious (PC-98xx) wants the pitch to be fixed at 80, and wants bsy to be /1 |
| 1586 | 1586 | Dragon Buster (PC-98xx) contradicts with Xevious with regards of the pitch tho ... */ |
| 1587 | | addr = ((sad << 1) & 0x3ffff) + (y * m_pitch * 2); |
| 1587 | addr = ((sad << 1) & 0x3ffff) + (y * (m_pitch << (im ? 0 : 1))); |
| 1588 | 1588 | |
| 1589 | 1589 | if (!m_display_cb.isnull()) |
| 1590 | 1590 | draw_graphics_line(bitmap, addr, y + (im ? bsy : (bsy >> 1)), wd); |