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Reverts previous unevidenced change.

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This commit is contained in:
Thomas Harte 2017-08-26 22:58:16 -04:00
parent 487fe83dca
commit bdda701207
1 changed files with 11 additions and 11 deletions
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22
Components/6845/CRTC6845.hpp
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@ -171,21 +171,21 @@ template <class T> class CRTC6845 {
} }
} else { } else {
line_counter_ = (line_counter_ + 1) & 0x7f; line_counter_ = (line_counter_ + 1) & 0x7f;
// check for start of vertical sync
if(line_counter_ == registers_[7]) {
bus_state_.vsync = true;
vsync_counter_ = 0;
}
// check for end of visible lines
if(line_counter_ == registers_[6]) {
line_is_visible_ = false;
}
} }
} else { } else {
bus_state_.row_address = (bus_state_.row_address + 1) & 0x1f; bus_state_.row_address = (bus_state_.row_address + 1) & 0x1f;
} }
// check for start of vertical sync
if(line_counter_ == registers_[7]) {
bus_state_.vsync = true;
vsync_counter_ = 0;
}
// check for end of visible lines
if(line_counter_ == registers_[6]) {
line_is_visible_ = false;
}
} }
bus_state_.refresh_address = line_address_; bus_state_.refresh_address = line_address_;