XenOn/kolibrios-fun
1
1
Fork 0
forked from KolibriOS/kolibrios
Code Pull Requests Wiki Activity

Console: correct handeling of escape codes <esc>[J, <esc>[0J, <esc>[1J, <esc>[2J

Browse Source 
git-svn-id: svn://kolibrios.org@3885 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr 2013-09-02 14:30:01 +00:00
parent 3189551ee6
commit 5b768d8b9a
1 changed files with 45 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
programs/develop/libraries/console/console.asm
View File

@ -820,7 +820,7 @@ con.write_special_char:
mov [con_esc], 0 mov [con_esc], 0
mov [con_sci], 0 ; in any case, leave Esc mode mov [con_sci], 0 ; in any case, leave Esc mode
cmp al, 'J' cmp al, 'J'
jz .cls jz .clear
cmp al, 'H' cmp al, 'H'
jz .setcursor jz .setcursor
cmp al, 'f' cmp al, 'f'
@ -836,7 +836,50 @@ con.write_special_char:
cmp al, 'D' cmp al, 'D'
jz .cursor_left jz .cursor_left
ret ; simply skip unknown sequences ret ; simply skip unknown sequences
.cls: .clear:
mov eax, [con_esc_attrs]
test eax, eax
jz .clear_till_end_of_screen ; <esc>[0J (or <esc>[J)
dec eax
jz .clear_till_start_of_screen ; <esc>[1J
dec eax
je .cls ; <esc>[2J
ret ; unknown sequence
.clear_till_end_of_screen:
push edi ecx
mov ecx, [con.scr_width]
imul ecx, [con.scr_height]
mov edi, [con.cur_y]
imul edi, [con.scr_width]
add edi, [con.cur_x]
sub ecx, edi
shl edi, 1
add edi, [con.data]
mov ah, byte[con_flags]
mov al, ' '
rep stosw
and [con.cur_x], 0
and [con.cur_y], 0
pop ecx edi
ret
.clear_till_start_of_screen:
push edi ecx
mov ecx, [con.cur_y]
imul ecx, [con.scr_width]
add ecx, [con.cur_x]
mov edi, [con.data]
mov ah, byte[con_flags]
mov al, ' '
rep stosw
pop ecx edi
ret
.cls: ; clear screen completely
push ecx push ecx
and [con.cur_x], 0 and [con.cur_x], 0
and [con.cur_y], 0 and [con.cur_y], 0