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提高分辨率（1）

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Yourtion
2016-04-21 11:27:05 +08:00
parent 5ebfdafc68
commit f78ffbbfb6
1 changed files with 5 additions and 5 deletions
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14_day/asmhead.nas
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@@ -17,13 +17,13 @@ VRAM EQU 0x0ff8 ; 图像缓冲区的起始地址
; 画面设置
MOV AL,0x13 ; VGA显卡，320x200x8bit
MOV AH,0x00
MOV BX,0x4101 ; VBE的640x480x8bi彩色
MOV AX,0x4f02
INT 0x10
MOV BYTE [VMODE],8 ; 屏幕的模式（参考C语言的引用）
MOV WORD [SCRNX],320
MOV WORD [SCRNY],200
MOV DWORD [VRAM],0x000a0000
MOV WORD [SCRNX],640
MOV WORD [SCRNY],480
MOV DWORD [VRAM],0xe0000000
; 通过 BIOS 获取指示灯状态