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felipesanches / mame

MAME - Multiple Arcade Machine Emulator
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[anotherworld] copyPage code has a conditional whose purpose is not clear yet #5

Open felipesanches opened 7 years ago

felipesanches commented 7 years ago

I don't know why does the another_world_state::copyVideoPage method have this conditional:

/* The actual meaning of this conditional needs to be clarified: */
    if (srcPageId < 0xFE && ((srcPageId &= 0xBF) & 0x80)) {
felipesanches commented 7 years ago

This may be related to issue #2