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• This comparison shows the changes necessary to convert path

  → /kernel/trunk/fs/iso9660.inc @ 5363

  → /kernel/trunk/fs/iso9660.inc @ 6262

  ↔ Reverse comparison

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Regard whitespace Rev 5363 → Rev 6262

/kernel/trunk/fs/iso9660.inc
831,81 → 831,3
inc esi
clc
ret
;-----------------------------------------------------------------------------
char_todown:
; convert character to uppercase, using cp866 encoding
; in: al=symbol
; out: al=converted symbol
cmp al, 'A'
jb .ret
cmp al, 'Z'
jbe .az
cmp al, 0x80 ; 'А'
jb .ret
cmp al, 0x90 ; 'Р'
jb .rus1
cmp al, 0x9F ; 'Я'
ja .ret
; 0x90-0x9F -> 0xE0-0xEF
add al, 0xE0-0x90
;--------------------------------------
.ret:
ret
;--------------------------------------
.rus1:
; 0x80-0x8F -> 0xA0-0xAF
.az:
add al, 0x20
ret
;-----------------------------------------------------------------------------
uni2ansi_char:
; convert UNICODE character in al to ANSI character in ax, using cp866 encoding
; in: ax=UNICODE character
; out: al=converted ANSI character
cmp ax, 0x80
jb .ascii
cmp ax, 0x401
jz .yo1
cmp ax, 0x451
jz .yo2
cmp ax, 0x410
jb .unk
cmp ax, 0x440
jb .rus1
cmp ax, 0x450
jb .rus2
;--------------------------------------
.unk:
mov al, '_'
jmp .doit
;--------------------------------------
.yo1:
mov al, 0xF0 ; 'Ё' in cp866
jmp .doit
;--------------------------------------
.yo2:
mov al, 0xF1 ; 'ё' in cp866
jmp .doit
;--------------------------------------
.rus1:
; 0x410-0x43F -> 0x80-0xAF
add al, 0x70
jmp .doit
;--------------------------------------
.rus2:
; 0x440-0x44F -> 0xE0-0xEF
add al, 0xA0
;--------------------------------------
.ascii:
.doit:
ret
;-----------------------------------------------------------------------------