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(nw) mc8030 : fixed rubout of pixels

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This commit is contained in:
Robbbert 2017-11-25 11:51:05 +11:00
parent 82e4215aea
commit f05131dd3c
1 changed files with 5 additions and 3 deletions
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8
src/mame/drivers/mc8030.cpp
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@ -104,9 +104,11 @@ WRITE8_MEMBER( mc8030_state::vis_w )
// reg B // reg B
// //
uint16_t addr = ((offset & 0xff00) >> 2) | ((offset & 0x08) << 2) | (data >> 3); uint16_t addr = ((offset & 0xff00) >> 2) | ((offset & 0x08) << 2) | (data >> 3);
static const uint8_t val[] = { 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 }; u8 c = 1 << (data & 7);
int c = offset & 1; if (BIT(offset, 0))
m_p_videoram[addr] = m_p_videoram[addr] | (val[data & 7]*c); m_p_videoram[addr] |= c;
else
m_p_videoram[addr] &= ~c;
} }
WRITE8_MEMBER( mc8030_state::eprom_prog_w ) WRITE8_MEMBER( mc8030_state::eprom_prog_w )