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Add asserts.

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This commit is contained in:
Thomas Harte 2025-01-05 22:45:09 -05:00
parent 9a6780616b
commit c4f4ca3f90
1 changed files with 5 additions and 2 deletions
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7
Machines/Commodore/Plus4/Video.hpp
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@ -993,6 +993,7 @@ private:
template <int length, bool is_leftovers>
void draw_2bpp_segment(uint16_t *const target, const uint16_t *colours) {
constexpr int leftover = is_leftovers && (length & 1);
static_assert(length + leftover <= 8);
if(target) {
const auto pixels = output_.pixels();
// Intention: skip first output if leftover is 1, but still do the correct
@ -1007,8 +1008,10 @@ private:
if constexpr (length + leftover >= 8) target[7 - leftover] = colours[(pixels >> 0) & 3];
}
if(is_leftovers) {
output_.advance_pixels(length + leftover);
if constexpr (is_leftovers) {
constexpr int shift_distance = length + leftover;
static_assert(!(shift_distance&1));
output_.advance_pixels(shift_distance);
} else {
output_.advance_pixels(length & ~1);
}