HPAVC/HPAVC CD-ROM.iso/pc/ABUSESRC.ZIP/AbuseSrc/abuse/src/putline2.asm

Assembly Source File | 1996-01-22 | 1.0 KB | 77 lines

    .386
    .MODEL    small

.code

; parm1 = scrn addr
; parm2 = remap addr
; parm3 = scrwidth

ALIGN 16
PUBLIC    remap_line_asm_
remap_line_asm_:

    push    ebp
    push    esi
    push    edi
    sub        esp, 32

    mov        esi, eax    ; esi = screen addr
    mov        eax, edx    ; eax = remap_table
    mov        edi, ebx    ; edi = remap_seq
    mov        ebp, ecx    ; ebp = remap_seq_len

    mov        ah, [edi]
    mov        ebx, eax
    jmp        remap_loop

ALIGN    16
remap_loop:

    mov        al, [esi]
    mov        bl, 1[esi]
    mov        al, [eax]
    mov        bl, [ebx]
    mov        [esi], al
    mov        1[esi], bl

    add        edi, 1
    mov        al, 2[esi]
    mov        bl, 3[esi]
    mov        al, [eax]
    mov        bl, [ebx]
    mov        2[esi], al
    mov        3[esi], bl

    mov        al, 4[esi]
    mov        bl, 5[esi]
    mov        al, [eax]
    add        esi, 8
    mov        bl, [ebx]
    mov        -4[esi], al
    mov        -3[esi], bl

    dec        ebp
    mov        al, -2[esi]
    mov        bl, -1[esi]
    mov        al, [eax]
    mov        bl, [ebx]
    mov        -2[esi], al
    mov        -1[esi], bl

    mov        ah, [edi]
    mov        ebx, eax
    jne        remap_loop

    add        esp, 32
    pop        edi
    pop        esi
    pop        ebp
    ret

; ENDP

END