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Some updates

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This commit is contained in:
Angelo Salese 2012-12-05 04:11:43 +00:00
parent 490cca687c
commit ce63981fb5
1 changed files with 7 additions and 4 deletions
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11
src/mess/drivers/pc9801.c
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@ -37,6 +37,7 @@
- Microsoft Windows 1.0 MSDOS.SYS error (can be bypassed by loading MS-DOS first)
List of per-game TODO:
- Absolutely Mahjong: GRCG doesn't seem to work at all, also Epson splash screen doesn't appear at all;
- Dragon Buster: has lots of gfx artifacts;
- Far Side Moon: doesn't detect neither mouse nor sound board;
- First Queen: has broken text display;
@ -568,7 +569,7 @@ void pc9801_state::video_start()
UINT32 pc9801_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
bitmap.fill(0, cliprect);
bitmap.fill(get_black_pen(machine()), cliprect);
/* graphics */
m_hgdc2->screen_update(screen, bitmap, cliprect);
@ -1394,7 +1395,7 @@ READ8_MEMBER(pc9801_state::pc9801rs_grcg_r)
res = 0;
for(i=0;i<4;i++)
{
if((m_grcg.mode & 1 << i) == 0)
if((m_grcg.mode & (1 << i)) == 0)
res |= (m_video_ram_2[m_calc_grcg_addr(i,offset)] ^ m_grcg.tile[i]);
}
@ -1416,7 +1417,7 @@ WRITE8_MEMBER(pc9801_state::pc9801rs_grcg_w)
{
for(i=0;i<4;i++)
{
if((m_grcg.mode & 1 << i) == 0)
if((m_grcg.mode & (1 << i)) == 0)
{
m_video_ram_2[m_calc_grcg_addr(i,offset)] &= ~data;
m_video_ram_2[m_calc_grcg_addr(i,offset)] |= m_grcg.tile[i] & data;
@ -1427,8 +1428,10 @@ WRITE8_MEMBER(pc9801_state::pc9801rs_grcg_w)
{
for(i=0;i<4;i++)
{
if((m_grcg.mode & 1 << i) == 0)
if((m_grcg.mode & (1 << i)) == 0)
{
m_video_ram_2[m_calc_grcg_addr(i,offset)] = m_grcg.tile[i];
}
}
}
}