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(mess) pc9801: small fixes (nw)

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This commit is contained in:
cracyc 2014-12-14 11:16:34 -06:00
parent 52b0981fab
commit 05735fe1c5
1 changed files with 3 additions and 3 deletions
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6
src/mess/drivers/pc9801.c
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@ -1432,14 +1432,14 @@ void pc9801_state::egc_blit_w(UINT32 offset, UINT16 data, UINT16 mem_mask)
{
dst_off &= 7;
if(m_egc.first)
m_egc.count -= dir ? 7 - dst_off : dst_off;
m_egc.count -= dir ? 8 - dst_off : (dst_off + 1);
else
m_egc.count -= 8;
}
else
{
if(m_egc.first)
m_egc.count -= dir ? 15 - dst_off : dst_off;
m_egc.count -= dir ? 16 - dst_off : (dst_off + 1);
else
m_egc.count -= 16;
}
@ -1455,7 +1455,7 @@ void pc9801_state::egc_blit_w(UINT32 offset, UINT16 data, UINT16 mem_mask)
UINT16 pc9801_state::egc_blit_r(UINT32 offset, UINT16 mem_mask)
{
UINT16 plane_off = offset & 0x13fff;
UINT32 plane_off = offset & 0x13fff;
if((m_egc.regs[2] & 0x300) == 0x100)
{
m_egc.pat[0] = m_video_ram_2[plane_off + 0x4000];