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neogeo/neogeo_v.cpp: Make palette byte access behave the same as on real hardware #11869

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Dec 23, 2023
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neogeo/neogeo_v.cpp: Make palette byte access behave the same as on real hardware #11869

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2 changes: 1 addition & 1 deletion src/mame/neogeo/neogeo_v.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -97,7 +97,7 @@ uint16_t neogeo_base_state::paletteram_r(offs_t offset)
void neogeo_base_state::paletteram_w(offs_t offset, uint16_t data, uint16_t mem_mask)
{
offset += m_palette_bank;
data = COMBINE_DATA(&m_paletteram[offset]);
m_paletteram[offset] = data;

int dark = data >> 15;
int r = ((data >> 14) & 0x1) | ((data >> 7) & 0x1e);
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