Rev 730 | Rev 738 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 730 | Rev 731 | ||
|---|---|---|---|
| Line 73... | Line 73... | ||
| 73 | home_cursor dw 0 ;current shows rows a table |
73 | home_cursor dw 0 ;current shows rows a table |
| 74 | end_cursor dw 0 ;end of position current shows rows a table |
74 | end_cursor dw 0 ;end of position current shows rows a table |
| 75 | long_v_table equ 9 ;long of visible video table |
75 | long_v_table equ 9 ;long of visible video table |
| 76 | size_of_step equ 10 |
76 | size_of_step equ 10 |
| 77 | int2str: |
77 | scroll_area_size equ (long_v_table-2) |
| - | 78 | int2str: |
|
| 78 | dec bl |
79 | dec bl |
| 79 | jz @f |
80 | jz @f |
| 80 | xor edx,edx |
81 | xor edx,edx |
| 81 | div ecx |
82 | div ecx |
| 82 | push edx |
83 | push edx |
| Line 521... | Line 522... | ||
| 521 | mov al, 30 |
522 | mov al, 30 |
| 522 | stosb |
523 | stosb |
| 523 | add di, 80*2-1 |
524 | add di, 80*2-1 |
| 524 | mov al, 32 |
525 | mov al, 32 |
| 525 | mov cx, 7 |
526 | mov cx, scroll_area_size |
| 526 | @@: |
527 | @@: |
| 527 | stosb |
528 | stosb |
| 528 | add di, 80*2-1 |
529 | add di, 80*2-1 |
| 529 | loop @b |
530 | loop @b |
| 530 | mov al, 31 |
531 | mov al, 31 |
| 531 | stosb |
532 | stosb |
| Line 540... | Line 541... | ||
| 540 | sub ax, modes_table |
541 | sub ax, modes_table |
| 541 | cwd |
542 | cwd |
| 542 | div bx |
543 | div bx |
| 543 | mov di, ax |
544 | mov di, ax |
| 544 | mov ax, 7*9 |
545 | mov ax, scroll_area_size*long_v_table |
| 545 | cwd |
546 | cwd |
| 546 | div si |
547 | div si |
| 547 | test ax, ax |
548 | test ax, ax |
| 548 | jnz @f |
549 | jnz @f |
| 549 | inc ax |
550 | inc ax |
| 550 | @@: |
551 | @@: |
| 551 | cmp al, 7 |
552 | cmp al, scroll_area_size |
| 552 | jb @f |
553 | jb @f |
| 553 | mov al, 7 |
554 | mov al, scroll_area_size |
| 554 | @@: |
555 | @@: |
| 555 | mov cx, ax |
556 | mov cx, ax |
| 556 | ; cx = scroll height |
557 | ; cx = scroll height |
| 557 | ; calculate scroll pos |
558 | ; calculate scroll pos |
| 558 | xor bx, bx ; initialize scroll pos |
559 | xor bx, bx ; initialize scroll pos |
| 559 | sub al, 7+1 |
560 | sub al, scroll_area_size+1 |
| 560 | neg al |
561 | neg al |
| 561 | sub si, 9-1 |
562 | sub si, long_v_table-1 |
| 562 | jbe .draw_scroll |
563 | jbe .draw_scroll |
| 563 | mul di |
564 | mul di |
| 564 | div si |
565 | div si |
| 565 | mov bx, ax |
566 | mov bx, ax |
| 566 | .draw_scroll: |
567 | .draw_scroll: |
| 567 | mov al, 0xDB |
568 | mov al, 0xDB |