diff options
Diffstat (limited to 'programs/sub-suite/shift_line.c')
| -rw-r--r-- | programs/sub-suite/shift_line.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/programs/sub-suite/shift_line.c b/programs/sub-suite/shift_line.c index 255d21b..365666b 100644 --- a/programs/sub-suite/shift_line.c +++ b/programs/sub-suite/shift_line.c @@ -24,6 +24,12 @@ uint8_t bitpos(unsigned int row, uint8_t *mask) { } +uint8_t getbit(unsigned int row, unsigned int offset) { + uint8_t mask; + uint8_t byte = bitpos(row+offset, &mask); + return (bitabl[byte] & mask); +} + void setbit(unsigned int row) { uint8_t mask; uint8_t byte = bitpos(row, &mask); @@ -48,7 +54,7 @@ void shift_line(char *str, int cursor, int left) { if (left) { int i = end-1; int j = end; - for (; i > cursor; i--, j--) { + for (; i >= cursor; i--, j--) { if (i < 0) { i = 0; str[i] = 0; @@ -72,7 +78,7 @@ void shift_line(char *str, int cursor, int left) { str[i] = 0; } end = find_end(str, i); - if ((end % maxcol) == 0 && (end/maxcol) > scr_row) { + if (((end-1) % maxcol) == 0 && ((end-1)/maxcol) > scr_row) { clrbit(end/maxcol); } } |