| /kernel/trunk/boot/bootvesa.inc |
|---|
| 75,6 → 75,7 |
| end_cursor dw 0 ;end of position current shows rows a table |
| long_v_table equ 9 ;long of visible video table |
| size_of_step equ 10 |
| scroll_area_size equ (long_v_table-2) |
| int2str: |
| dec bl |
| jz @f |
| 523,7 → 524,7 |
| stosb |
| add di, 80*2-1 |
| mov al, 32 |
| mov cx, 7 |
| mov cx, scroll_area_size |
| @@: |
| stosb |
| add di, 80*2-1 |
| 542,7 → 543,7 |
| cwd |
| div bx |
| mov di, ax |
| mov ax, 7*9 |
| mov ax, scroll_area_size*long_v_table |
| cwd |
| div si |
| test ax, ax |
| 549,17 → 550,17 |
| jnz @f |
| inc ax |
| @@: |
| cmp al, 7 |
| cmp al, scroll_area_size |
| jb @f |
| mov al, 7 |
| mov al, scroll_area_size |
| @@: |
| mov cx, ax |
| ; cx = scroll height |
| ; calculate scroll pos |
| xor bx, bx ; initialize scroll pos |
| sub al, 7+1 |
| sub al, scroll_area_size+1 |
| neg al |
| sub si, 9-1 |
| sub si, long_v_table-1 |
| jbe .draw_scroll |
| mul di |
| div si |