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hd61830: made character mode also work in 16-bit chunks. Fixes text display on the Hunter 2.

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This commit is contained in:
mahlemiut 2014-03-11 09:21:41 +00:00
parent 72c4cc20f8
commit 662bd6cf43
1 changed files with 9 additions and 5 deletions
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14
src/emu/video/hd61830.c
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@ -49,7 +49,7 @@ const rom_entry *hd61830_device::device_rom_region() const
// MACROS / CONSTANTS
//**************************************************************************
#define LOG 1
#define LOG 0
static const int CYCLES[] =
{
@ -483,14 +483,18 @@ void hd61830_device::draw_char(bitmap_ind16 &bitmap, const rectangle &cliprect,
void hd61830_device::update_text(bitmap_ind16 &bitmap, const rectangle &cliprect)
{
UINT16 ma = 0;
for (int y = 0; y < (m_nx / m_vp); y++)
{
for (int x = 0; x < m_hn; x++)
for (int x = 0; x < m_hn; x+=2)
{
UINT16 ma = y * m_hn + x;
UINT8 md = readbyte(ma);
UINT8 md1 = readbyte(ma);
UINT8 md2 = readbyte(ma+1);
draw_char(bitmap, cliprect, ma, x, y, md);
draw_char(bitmap, cliprect, ma, x, y, md1);
draw_char(bitmap, cliprect, ma+1, x+1, y, md2);
ma+=2;
}
}
}