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Rev 1577 Rev 1640
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#define EGA_IO_ADDRESS 0x3d4
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#define EGA_IO_ADDRESS 0x3d4
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#define EGA_IO_SIZE 2
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#define EGA_IO_SIZE 2
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#define NORMAL_COLOR       0x0f
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#define INVERTED_COLOR     0xf0
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#define EGA_STYLE(fg,bg) ((fg) > (bg) ? NORMAL_COLOR : INVERTED_COLOR)
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typedef unsigned char u8;
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typedef unsigned char u8;
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typedef unsigned short u16;
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typedef unsigned short u16;
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typedef unsigned int u32;
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typedef unsigned int u32;
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static unsigned int scr_width;
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static unsigned int scr_width;
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static unsigned int scr_height;
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static unsigned int scr_height;
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static char *scr_addr;
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static char *scr_addr;
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static unsigned int style = 0x1e;
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static unsigned int style = NORMAL_COLOR;
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static inline void outb(u16 port, u8 b)
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static inline void outb(u16 port, u8 b)
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{
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{
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    asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port));
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    asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port));
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}
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}
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{
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{
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    int i;
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    int i;
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    for (i=0; i < scr_width*scr_height; i++) {
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    for (i=0; i < scr_width*scr_height; i++) {
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        scr_addr[i*2] = data[i].character;
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        scr_addr[i*2] = data[i].character;
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        if (data[i].style.fg_color > data[i].style.bg_color)
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        scr_addr[i*2+1] = EGA_STYLE(data[i].style.fg_color, data[i].style.bg_color);
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            scr_addr[i*2+1] = 0x1e;
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        else
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            scr_addr[i*2+1] = 0xe1;
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    }
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    }
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}
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}
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static int save_screen(void)
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static int save_screen(void)
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{
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{
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            retval = 0;
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            retval = 0;
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            break;
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            break;
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        case FB_SET_STYLE:
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        case FB_SET_STYLE:
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            fgcolor = IPC_GET_ARG1(call);
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            fgcolor = IPC_GET_ARG1(call);
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            bgcolor = IPC_GET_ARG2(call);
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            bgcolor = IPC_GET_ARG2(call);
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            if (fgcolor > bgcolor)
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            style = EGA_STYLE(fgcolor, bgcolor);
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                style = 0x1e;
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            else
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                style = 0xe1;
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            break;
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            break;
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        case FB_VP_DRAW_PIXMAP:
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        case FB_VP_DRAW_PIXMAP:
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            i = IPC_GET_ARG2(call);
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            i = IPC_GET_ARG2(call);
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            retval = print_screen(i);
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            retval = print_screen(i);
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            break;
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            break;