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; multi-segment executable file template.
data segment
Filename db 'C:\star.txt'
FHndl dw ?
Buffer db 80h dup(?) ; add your data here!
pkey db "press any key...$"
ends
stack segment
dw 128 dup(0)
ends
code segment
start:
; set segment registers:
mov ax, data
mov ds, ax
; add your code here
MOV AX,0B800H
MOV ES,AX ;manda es aponta segment video (CGA) :(
CALL CLRSCR
MOV SI, 0 ;linhas impressas
mov ah, 3dh ;Open the file
mov al, 0 ;Open for reading
lea dx, Filename ;Presume DS points at filename
int 21h ; segment.
; jc BadOpen
mov FHndl, ax ;Save file handle
LP: mov ah,3fh ;Read data from the file
lea dx, Buffer ;Address of data buffer
mov cx, 1 ;Read one byte
mov bx, FHndl ;Get file handle value
int 21h
; jc ReadError
cmp ax, cx ;EOF reached?
jne EOF
mov al, Buffer ;Get character read
cmp al,10
je conta_linhas
jmp imprime
conta_linhas:
inc si
cmp si,13 ;imprimiu 13 linhas
je volta_cursor_0_0
jmp imprime
volta_cursor_0_0:
PUSH AX
PUSH BX
PUSH CX
MOV AH, 02H
MOV BH, 0 ; video page number (0-based)
MOV DH, 0 ; row (0-based)
MOV DL,0 ; column (0-based)
INT 10H
POP CX
POP BX
POP AX
MOV SI,0
mov ah, 1
int 21h
CALL CLRSCR ;APAGA TELA
imprime:
call write ;Print it
jmp LP ;Read next byte
EOF: mov bx, FHndl
mov ah, 3eh ;Close file
int 21h
;jc CloseError
lea dx, pkey
mov ah, 9
int 21h ; output string at ds:dx
; wait for any key....
mov ah, 1
int 21h
mov ax, 4c00h ; exit to operating system.
int 21h
PROC write
push ax
push bx
push cx
push dx
mov ah, 2
mov dl, Buffer ;char to be printed
int 21h
pop ax
pop bx
pop cx
pop dx
ret
ENDP
CLRSCR:
PUSH AX
MOV DI,0
APAGANDO:
MOV AL," "
MOV ES:[DI],AL
ADD DI,2
CMP DI, 3840 ; 24X80 + ATRIBUTO DE COR PARA CADA BYTE
JG SAI
JMP APAGANDO
SAI:
POP AX
RET
ends
end start ; set entry point and stop the assembler.
Aqui o video....
http://www.basic4ever.com/asm51/star.htm
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