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ti89: Room for improvement (nw)

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This commit is contained in:
AJR 2019-04-30 21:46:43 -04:00
parent 7edce14986
commit b95b50a6f1
1 changed files with 5 additions and 1 deletions
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6
src/mame/drivers/ti89.cpp
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@ -159,8 +159,12 @@ uint16_t ti68k_state::reset_overlay_r(offs_t offset)
if (offset == 3 && !machine().side_effects_disabled())
m_ram_enabled = true;
// FIXME: this reset vector happens to work for all Flash systems, but may not be loaded
// first. It is algorithmically located by the preceding initialization code which looks
// for the string of four CC bytes preceding it. This code has not been enabled since it
// also contains a "Certificate Memory" self-test which fails.
if (m_flash.found())
return m_flash->read(offset + 0x12088/2); // why this offset?
return m_flash->read(offset + 0x12088/2);
else
return m_rom_base[offset];
}