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Merge pull request #4268 from hp9k/topcat_window_move_fix

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topcat: fix window move (nw)
This commit is contained in:
R. Belmont 2018-11-07 21:25:50 -05:00 committed by GitHub
commit a3aac8312c
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1 changed files with 8 additions and 6 deletions
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14
src/devices/video/topcat.cpp
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@ -75,10 +75,10 @@ READ16_MEMBER(topcat_device::vram_r)
uint16_t ret = 0;
if (mem_mask & m_plane_mask)
ret |= m_vram[offset*2+1] ? m_plane_mask : 0;
ret |= m_vram[offset*2+1] & m_plane_mask;
if (mem_mask & m_plane_mask << 8)
ret |= m_vram[offset*2] ? m_plane_mask << 8 : 0;
ret |= (m_vram[offset*2] & m_plane_mask) << 8;
//LOG("%s: %04X: %04X (mask %04X)\n", __FUNCTION__, offset, ret, mem_mask);
return ret;
}
@ -386,10 +386,12 @@ WRITE16_MEMBER(topcat_device::ctrl_w)
update_int();
break;
case TOPCAT_REG_START_WMOVE:
window_move();
if (m_unknown_reg4a) {
m_wmove_intrq = m_plane_mask << 8;
update_int();
if (data & (m_plane_mask << 8)) {
window_move();
if (m_unknown_reg4a) {
m_wmove_intrq = m_plane_mask << 8;
update_int();
}
}
break;
case TOPCAT_REG_ENABLE_BLINK_PLANES: