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 * @{
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 * @{
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 */
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 */
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/** @file
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/** @file
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 */
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 */
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 - 
 
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#include <stdlib.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <align.h>
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#include <align.h>
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#include <async.h>
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#include <async.h>
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#include <ipc/ipc.h>
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#include <ipc/ipc.h>
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    short *data;
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    short *data;
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} saved_screen;
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} saved_screen;
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saved_screen saved_screens[MAX_SAVED_SCREENS];
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saved_screen saved_screens[MAX_SAVED_SCREENS];
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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 NORMAL_COLOR       0x0f
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#define INVERTED_COLOR     0xf0
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#define INVERTED_COLOR     0xf0
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static void scroll(int rows)
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static void scroll(int rows)
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{
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{
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    int i;
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    int i;
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    if (rows > 0) {
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    if (rows > 0) {
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        memcpy (scr_addr,((char *)scr_addr) + rows * scr_width * 2, scr_width * scr_height * 2 - rows * scr_width * 2);
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        memcpy (scr_addr,((char *)scr_addr) + rows * scr_width * 2,
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            scr_width * scr_height * 2 - rows * scr_width * 2);
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        for (i = 0; i < rows * scr_width ; i ++)
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        for (i = 0; i < rows * scr_width ; i ++)
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            (((short *)scr_addr) + scr_width * scr_height - rows * scr_width) [i] = ((style << 8) + ' ');
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            (((short *)scr_addr) + scr_width * scr_height - rows *
- 
 
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                scr_width) [i] = ((style << 8) + ' ');
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    } else if (rows < 0) {
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    } else if (rows < 0) {
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 - 
 
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        memcpy (((char *)scr_addr) - rows * scr_width * 2 ,scr_addr ,scr_width * scr_height * 2 + rows * scr_width * 2);
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        memcpy (((char *)scr_addr) - rows * scr_width * 2, scr_addr,
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            scr_width * scr_height * 2 + rows * scr_width * 2);
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        for (i = 0; i < - rows * scr_width ; i++)
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        for (i = 0; i < - rows * scr_width ; i++)
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            ((short *)scr_addr) [i] = ((style << 8 ) + ' ');
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            ((short *)scr_addr) [i] = ((style << 8 ) + ' ');
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    }
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    }
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}
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}
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    ega_ph_addr=(void *)sysinfo_value("fb.address.physical");
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    ega_ph_addr=(void *)sysinfo_value("fb.address.physical");
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    scr_width=sysinfo_value("fb.width");
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    scr_width=sysinfo_value("fb.width");
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    scr_height=sysinfo_value("fb.height");
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    scr_height=sysinfo_value("fb.height");
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    iospace_enable(task_get_id(),(void *)EGA_IO_ADDRESS,2);
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    iospace_enable(task_get_id(), (void *) EGA_IO_ADDRESS, 2);
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    sz = scr_width*scr_height*2;
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    sz = scr_width * scr_height * 2;
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    scr_addr = as_get_mappable_page(sz);
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    scr_addr = as_get_mappable_page(sz, (int)
- 
 
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        sysinfo_value("fb.address.color"));
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    physmem_map(ega_ph_addr, scr_addr, ALIGN_UP(sz, PAGE_SIZE) >> PAGE_WIDTH,
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    physmem_map(ega_ph_addr, scr_addr, ALIGN_UP(sz, PAGE_SIZE) >>
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            AS_AREA_READ | AS_AREA_WRITE);
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        PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE);
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    async_set_client_connection(ega_client_connection);
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    async_set_client_connection(ega_client_connection);
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    return 0;
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    return 0;
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}
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}