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Fixed display enable reset when there's no adjustment area. A practical lesson in failure to factor.

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Thomas Harte
2017-07-31 22:16:08 -04:00
parent ffaa627820
commit 5c68b6cc21
1 changed files with 2 additions and 1 deletions
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3
Components/6845/CRTC6845.hpp
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@@ -71,9 +71,9 @@ template <class T> class CRTC6845 {
if(is_in_adjustment_period_) { if(is_in_adjustment_period_) {
line_counter_++; line_counter_++;
if(line_counter_ == registers_[5]) { if(line_counter_ == registers_[5]) {
line_is_visible_ = true;
line_counter_ = 0; line_counter_ = 0;
is_in_adjustment_period_ = false; is_in_adjustment_period_ = false;
line_is_visible_ = true;
line_address_ = (uint16_t)((registers_[12] << 8) | registers_[13]); line_address_ = (uint16_t)((registers_[12] << 8) | registers_[13]);
bus_state_.refresh_address = line_address_; bus_state_.refresh_address = line_address_;
} }
@@ -101,6 +101,7 @@ template <class T> class CRTC6845 {
if(registers_[5]) { if(registers_[5]) {
is_in_adjustment_period_ = true; is_in_adjustment_period_ = true;
} else { } else {
line_is_visible_ = true;
line_address_ = (uint16_t)((registers_[12] << 8) | registers_[13]); line_address_ = (uint16_t)((registers_[12] << 8) | registers_[13]);
bus_state_.refresh_address = line_address_; bus_state_.refresh_address = line_address_;
} }