.text:0804A194 ; Encoder: (byte	level)
.text:0804A194 ; Co = Po + 0x17
.text:0804A194 ; Cn = Pn + Cn-1	+ 0x17,	 for n > 0
.text:0804A194 ; 
.text:0804A194 ; => Decoder:  (byte-level)
.text:0804A194 ; => Pn = Cn - Cn-1 - 0x17,  for	n > 0
.text:0804A194 ; => Po = Co - 0x17
.text:0804A194 ; 
.text:0804A194 ; Attributes: bp-based frame
.text:0804A194 
.text:0804A194 Encoder	       proc near	       ; CODE XREF: MainMonster+286p
.text:0804A194					       ; MainMonster+582p
.text:0804A194 
.text:0804A194 var_C	       = byte ptr -0Ch
.text:0804A194 LengthToEncode  = dword ptr  8
.text:0804A194 PlainText       = dword ptr  0Ch
.text:0804A194 Cipher	       = dword ptr  10h
.text:0804A194 
.text:0804A194		       push    ebp
.text:0804A195		       mov     ebp, esp
.text:0804A197		       push    edi
.text:0804A198		       push    esi
.text:0804A199		       push    ebx
.text:0804A19A		       mov     edi, [ebp+LengthToEncode]
.text:0804A19D		       mov     esi, [ebp+PlainText]
.text:0804A1A0		       mov     ebx, [ebp+Cipher]
.text:0804A1A3		       mov     al, ds:gState1
.text:0804A1A9		       mov     [ebx], al
.text:0804A1AB 
.text:0804A1AB Encode_First_Byte:		       ; Co = Po + 0x17
.text:0804A1AB		       mov     al, [esi]
.text:0804A1AD		       add     al, 17h	       ; Add
.text:0804A1AF		       movsx   eax, al	       ; Move with Sign-Extend
.text:0804A1B2		       push    eax
.text:0804A1B3		       push    offset aC       ; "%c"
.text:0804A1B8		       push    ebx
.text:0804A1B9		       call    sprintf	       ; Call Procedure
.text:0804A1B9 
.text:0804A1BE		       mov     ecx, 1
.text:0804A1C3		       cmp     ecx, edi	       ; Compare Two Operands
.text:0804A1C5		       jz      short ExitEncoder ; Jump	if Zero	(ZF=1)
.text:0804A1C5 
.text:0804A1C7		       nop		       ; No Operation
.text:0804A1C8 
.text:0804A1C8 Encode_Other_Bytes:		       ; CODE XREF: Encoder+47j
.text:0804A1C8		       movzx   edx, byte ptr [ebx+ecx-1] ; Cn =	Cn-1 + Pn + 0x17
.text:0804A1CD		       movzx   eax, byte ptr [ecx+esi] ; Move with Zero-Extend
.text:0804A1D1		       lea     eax, [edx+eax+17h] ; Load Effective Address
.text:0804A1D5		       mov     [ecx+ebx], al
.text:0804A1D8		       inc     ecx	       ; Increment by 1
.text:0804A1D9		       cmp     ecx, edi	       ; Compare Two Operands
.text:0804A1DB		       jnz     short Encode_Other_Bytes	; Cn = Cn-1 + Pn + 0x17
.text:0804A1DB 
.text:0804A1DD 
.text:0804A1DD ExitEncoder:			       ; CODE XREF: Encoder+31j
.text:0804A1DD		       lea     esp, [ebp-0Ch]  ; Load Effective	Address
.text:0804A1E0		       pop     ebx
.text:0804A1E1		       pop     esi
.text:0804A1E2		       pop     edi
.text:0804A1E3		       mov     esp, ebp
.text:0804A1E5		       pop     ebp
.text:0804A1E6		       retn		       ; Return	Near from Procedure
.text:0804A1E6 
.text:0804A1E6 Encoder	       endp