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term: try to improve on a performance regression

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When support was added for DECOM (absolute/relative row addressing), a
small but noticeable (~3.5%) performance regression was introduced.

Try to improve the situation by simplifying the relative-to-absolute
conversion; only the row needs to be transformed.
This commit is contained in:
Daniel Eklöf 2019-11-17 18:52:27 +01:00
parent cf75528e86
commit 9902a5732f
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GPG key ID: 5BBD4992C116573F
3 changed files with 17 additions and 29 deletions
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2
terminal.h
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@ -342,7 +342,7 @@ void term_damage_scroll(
void term_erase(
struct terminal *term, const struct coord *start, const struct coord *end);
struct coord term_cursor_rel_to_abs(const struct terminal *term, int row, int col);
int term_row_rel_to_abs(const struct terminal *term, int row);
void term_cursor_home(struct terminal *term);
void term_cursor_to(struct terminal *term, int row, int col);
void term_cursor_left(struct terminal *term, int count);