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Fix sprites on first line of display.

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This commit is contained in:
Thomas Harte 2023-03-30 23:45:19 -04:00
parent f3c2c0ffa9
commit 564ee1a5cb
1 changed files with 7 additions and 6 deletions
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13
Components/9918/Implementation/9918.cpp
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@ -237,17 +237,18 @@ void TMS9918<personality>::run_for(const HalfCycles cycles) {
const int first_window = from_internal<personality, clock>(this->fetch_pointer_.column); \
const int final_window = from_internal<personality, clock>(end_column); \
if(first_window == final_window) break; \
const auto y = uint8_t( \
this->fetch_line_buffer_->vertical_state == VerticalState::Prefetch ? \
offset - 1 : (this->fetch_pointer_.row + offset)); \
if(final_window != clock_rate<personality, clock>()) { \
function<true>( \
(this->fetch_pointer_.row + offset) & 0xff, \
first_window, final_window); \
function<true>(y, first_window, final_window); \
} else { \
function<false>( \
(this->fetch_pointer_.row + offset) & 0xff, \
first_window, final_window); \
function<false>(y, first_window, final_window); \
} \
}
if constexpr (is_yamaha_vdp(personality)) {
fetch(this->template fetch_yamaha, Clock::Internal, Storage<personality>::vertical_offset_);
} else {