Subversion Repositories HelenOS-historic

Rev

Rev 205 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 205 Rev 413
Line 78... Line 78...
78 
    ega_cursor = ega_cursor - ROW;
 78 
    ega_cursor = ega_cursor - ROW;
79 
}
 79 
}
80 
 
 80 
 
81 
void ega_putchar(const char ch)
 81 
void ega_putchar(const char ch)
82 
{
 82 
{
83 
    pri_t pri;
 83 
    ipl_t ipl;
84 
 
 84 
 
85 
    pri = cpu_priority_high();
 85 
    ipl = interrupts_disable();
86 
    spinlock_lock(&egalock);
 86 
    spinlock_lock(&egalock);
87 
 
 87 
 
88 
    switch (ch) {
 88 
    switch (ch) {
89 
        case '\n':
 89 
        case '\n':
90 
        ega_cursor = (ega_cursor + ROW) - ega_cursor % ROW;
 90 
        ega_cursor = (ega_cursor + ROW) - ega_cursor % ROW;
Line 99... Line 99...
99 
        }
 99 
        }
100 
    ega_check_cursor();
 100 
    ega_check_cursor();
101 
    ega_move_cursor();
 101 
    ega_move_cursor();
102 
 
 102 
 
103 
    spinlock_unlock(&egalock);
 103 
    spinlock_unlock(&egalock);
104 
    cpu_priority_restore(pri);
 104 
    interrupts_restore(ipl);
105 
}
 105 
}
106 
 
 106 
 
107 
void ega_move_cursor(void)
 107 
void ega_move_cursor(void)
108 
{
 108 
{
109 
    outb(0x3d4,0xe);
 109 
    outb(0x3d4,0xe);