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INT10H,INT12H,鼠标掩码
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int 10H: int 10H,12H,鼠标掩码等资料 int 10H IN OUT AH=00 设置显示模式 ah=0 al=video mode AH=01 设置光标类型 ah=1 ch=start scan line cl=end scan line AH=02 设置光标位置 ah=2 bh=display page dh=row dl=col ax=0 AH=03 读取光标位置 ah=3 bh=display page ax=0 ch=start scan line cl=end scan line dh=row dl=col AH=04 读取光笔位置 ah=4 ah=pen trigger signal bx=pixel c1olumn ch=pixel row dh=character row dl=character coloumn AH=05 指定显示页 ah=5 al=page number AH=06 初始化窗口,上滚窗口 ah=6 al=lines to scroll up bh=blank line attribute ch=upper row cl=left column dh=lower row dl=right column AH=07 初始化窗口,下滚窗口 ah=7 al=lines to scroll down bh=blank line attribute ch=upper row cl=left column dh=lower row dl=right column AH=08 读字符及属性 ah=8 bh=page number ah=attribute al=character AH=09 写字符及属性 ah=9 al=character bh=page number bl=attribute cx=number of character to write AH=0A 当前光标处写字符 ah=0AH al=character bh=page number cx=number of character to write AH=0B 设调色板 ah=0BH bh=palette ID bl=color ID AH=0C 写像素 ah=0CH al=color AH=0D 读像素 ah=0DH bh=page number cx=pixel column dx=pixel row al=color AH=0E 电传机方式写文本 ah=0EH al=character bh=page number bl=foreground color AH=0F 取当前显示模式 ah=0FH ah=columns al=display modes bh=active page number AH=10 设调色板寄存器 ah=10H al=command bh=value bl=palette reg dx=offset of pointer to 17-byte table es=segment of pointer to 17-byte table bh=value AH=11 字符生成器 ah=11H al=command bp=offset of pointer to user table es=segment of pointer to user table AH=12 改变选择 ah=12H bl=command AH=13 写字符串 ah=13H al=mode bh=page number bl=attribute cx=character count dx=start cursor position bp=offset of pointer to string es=segment of pointer to string AH=1A 读显示码 ah=1AH al=0 al=status bh=alternate disp code bl=active disp code AH=1A 写显示码 ah=1AH al=1 bh=alternate disp code bl= active disp code al=status AH=1B 返回状态 ah=1BH bx=implementation type di=offset of pointer to empty buffer es=segment of pointer to empty buffer al=status di=offset of pointer to video state buffer es=segment of pointer to video state buffer AH=1C 返回保存/恢复 ah=1CH al=0 cx=request states al=status bx=number 64-byte blocks for state AH=1C 保存状态 ah=1CH al=1 bx=offset of pointer to video state buffer cx=request states es=segment of pointer to video state buffer al=status AH=1C 恢复状态 ah=1CH al=2 bx=offset of pointer to video state buffer cx=request states es=segment of pointer to video state buffer al=status AH=FE 取视频缓冲区 ah=0FEH di=offset of physical video buffer es=segment of physical video buffer di=offset of logical video buffer es=segment of logical video buffer AH=FF 更新视频缓冲区 ah=0FFH cx=number of characters modified di=offset to first character modified es=segment of logical video buffer
int 12H: int 10H,12H,鼠标掩码等资料 取内存大小服务 ax=memory size
鼠标屏幕和光标掩码: int 10H,12H,鼠标掩码等资料
屏幕和光标掩码的作用效果： Screen Mask Bit Cursor Mask Bit Resulting Screen Bit 0 0 0 0 0 1 1 0 Unchanged 1 1 Inverted
屏幕的字符数据: Bit number Description Comments 15 Blink control 1=blinking character 12-14 Background color 11 Intensity control 1=high intensity 8-10 Foreground color 0-7 Character ASCII value
加速曲线: Part of table offset(decimal) Length(in bytes) Description Curve lengths 0
1
number of counts/factors in first curve 1 1 number of counts/factors in second curve 2 1 number of counts/factors in third curve 3 1
number of counts/factors in fourth curve Mouse counts 4 32 array of counts for first curve 36 32 array of counts for second curve 68 32 array of counts for third curve 100 32 array of counts for fourth curve Scale Factors 132 32 array of scale factors for first curve 164 32 array of scale factors for second curve 196 32 array of scale factors for third curve 228 32 array of scale factors for fourth curve Curve names 260 16 ASCII string for first curve 276 16 ASCII string for second curve 292 16 ASCII string for third curve 308 16 ASCII string for fourth curve
int 10H,12H,鼠标掩码等资料
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