static void Scroll() {
for(unsigned int y = 1; y < VGA_BUFFER_HEIGHT; ++y) {
for(unsigned int x = 0; x < VGA_BUFFER_WIDTH; ++x) {
VgaEntry entry = GetEntryAt(x, y);
SetEntryAt(x, y - 1, entry);
}
}
VgaEntry whitespace = ConstructVgaEntry(' ', current_color_scheme);
for(unsigned int x = 0; x < VGA_BUFFER_WIDTH; ++x) {
SetEntryAt(x, VGA_BUFFER_HEIGHT - 1, whitespace);
}
MoveCursorAt(current_x, current_y - 1);
}
xptiInterfaceEntry*
xptiTypelibGuts::GetEntryAt(PRUint16 i)
{
static const nsID zeroIID =
{ 0x0, 0x0, 0x0, { 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 } };
NS_ASSERTION(mHeader, "bad state");
NS_ASSERTION(i < GetEntryCount(), "bad index");
xptiInterfaceEntry* r = mEntryArray[i];
if (r)
return r;
XPTInterfaceDirectoryEntry* iface = mHeader->interface_directory + i;
xptiWorkingSet* set =
xptiInterfaceInfoManager::GetSingleton()->GetWorkingSet();
if (iface->iid.Equals(zeroIID))
r = set->mNameTable.Get(iface->name);
else
r = set->mIIDTable.Get(iface->iid);
if (r)
SetEntryAt(i, r);
return r;
}
void VgaTerminalPut(char c) {
switch(c) {
case '\n':
return AdvanceCursor(VGA_BUFFER_WIDTH - current_x);
default:
SetEntryAt(current_x, current_y,
ConstructVgaEntry(c, current_color_scheme));
AdvanceCursor(1);
}
}
void VgaTerminalInit() {
MoveCursorAt(0, 0);
VgaTerminalSwitchColorScheme(default_color_scheme);
VgaEntry whitespace = ConstructVgaEntry(' ', current_color_scheme);
for (unsigned int y = 0; y < VGA_BUFFER_HEIGHT; y++) {
for (unsigned int x = 0; x < VGA_BUFFER_WIDTH; x++) {
SetEntryAt(x, y, whitespace);
}
}
}
