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apple/dafb.cpp: Handle debugger reads better.

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This commit is contained in:
Vas Crabb 2023-07-23 07:10:49 +10:00
parent 5af7effb73
commit 70c6754a06
1 changed files with 7 additions and 3 deletions
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8
src/mame/apple/dafb.cpp
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@ -624,17 +624,21 @@ u32 dafb_base::ramdac_r(offs_t offset)
switch (offset << 2) switch (offset << 2)
{ {
case 0: case 0:
if (!machine().side_effects_disabled())
{
m_pal_idx = 0; m_pal_idx = 0;
}
return m_pal_address; return m_pal_address;
case 0x10: case 0x10:
{ {
pen_t entry = m_palette->pen(m_pal_address); pen_t const entry = m_palette->pen(m_pal_address);
u8 const idx = m_pal_idx;
if (!machine().side_effects_disabled()) if (!machine().side_effects_disabled())
{ {
m_pal_idx++; m_pal_idx++;
} }
switch (m_pal_idx - 1) switch (idx)
{ {
case 0: case 0:
return (entry >> 16) & 0xff; return (entry >> 16) & 0xff;