32 lines
1.2 KiB
NASM
32 lines
1.2 KiB
NASM
org 0x7c00 ; 告诉编译器程序加载到7c00处
|
||
mov ax, cs
|
||
mov ds, ax
|
||
mov es, ax
|
||
call DispStr ; 调用显示字符串例程
|
||
jmp $ ; 无限循环
|
||
DispStr:
|
||
mov ax, 0600h
|
||
mov bx, 0h
|
||
mov cx, 0h
|
||
mov dh, 25-1
|
||
mov dl, 80-1 ; vga text-mode: 80x25
|
||
int 10h ; clear screen
|
||
mov ax, 0200h
|
||
mov bx, 0h
|
||
mov dx, 1326h ; 19=13H, 38=26H
|
||
int 10h ; set cursor position
|
||
mov ax, NWPU
|
||
mov bp, ax ; ES:BP = 串地址, es has been set to the same seg
|
||
mov cx, 4 ; CX = 串长度
|
||
mov ax, 01300h ; AH = 13, AL = 01h
|
||
mov bx, 00f9h ; 页号为0(BH = 0) 黑底红字(BL = 0Ch,高亮)
|
||
int 10h ; 10h 号中断
|
||
mov ax, 0200h
|
||
mov bx, 0h
|
||
mov dx, 0h
|
||
int 10H ; reset cursor to 0,0
|
||
ret
|
||
NWPU: db "NWPU"
|
||
times 510-($-$$) db 0 ; 填充剩下的空间，使生成的二进制代码恰好为512字节
|
||
dw 0xaa55 ; 结束标志
|