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Fix comment, both grammar and content.

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Thomas Harte 2024-06-18 12:56:25 -04:00 committed by GitHub
parent b3012bd89e
commit 7d728c37ee
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1 changed files with 3 additions and 5 deletions
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8
Machines/PCCompatible/CGA.hpp
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@ -254,12 +254,10 @@ class CGA {
}
void serialise_pixels(const Motorola::CRTC::BusState &state) {
// This is what I think is happenings:
// Refresh address is shifted left and two bytes are fetched, just as if the fetch were for
// character code + attributes, but producing two bytes worth of graphics.
//
// Refresh address is still shifted left one and two bytes are fetched, just as if it were
// character code + attributes except that these are two bytes worth of graphics.
//
// Meanwhile, row address is used to invent a 15th address line.
// Meanwhile, row address is used as a substitute 14th address line.
const auto base_address =
((state.refresh_address & 0xfff) << 1) +
((state.row_address & 1) << 13);