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Resolves right-side TMS sprite droppages.

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This commit is contained in:
Thomas Harte 2018-10-16 21:25:08 -04:00
parent b4f871a2ef
commit 58ca74c68a
1 changed files with 2 additions and 2 deletions
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4
Components/9918/9918.cpp
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@ -723,9 +723,9 @@ void Base::draw_tms_character(int start, int end) {
const int shift_advance = sprites_magnified_ ? 1 : 2; const int shift_advance = sprites_magnified_ ? 1 : 2;
for(int index = line_buffer.active_sprite_slot - 1; index >= 0; --index) { for(int index = line_buffer.active_sprite_slot - 1; index >= 0; --index) {
LineBuffer::ActiveSprite &sprite = line_buffer.active_sprites[index]; LineBuffer::ActiveSprite &sprite = line_buffer.active_sprites[index];
if(sprite.shift_position < 16) { const int shifter_target = sprites_16x16_ ? 32 : 16;
if(sprite.shift_position < shifter_target) {
const int pixel_start = std::max(start, sprite.x); const int pixel_start = std::max(start, sprite.x);
const int shifter_target = sprites_16x16_ ? 32 : 16;
for(int c = pixel_start; c < end && sprite.shift_position < shifter_target; ++c) { for(int c = pixel_start; c < end && sprite.shift_position < shifter_target; ++c) {
const int shift = (sprite.shift_position >> 1) ^ 7; const int shift = (sprite.shift_position >> 1) ^ 7;
int sprite_colour = (sprite.image[shift >> 3] >> (shift & 7)) & 1; int sprite_colour = (sprite.image[shift >> 3] >> (shift & 7)) & 1;