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Fix some minor ANSI support things

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This commit is contained in:
Kevin Lange 2012-01-10 23:22:12 -06:00
parent 5fa42a5d34
commit 4a22517298
1 changed files with 17 additions and 1 deletions
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18
kernel/video/ansi.c
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@ -69,6 +69,11 @@ void (*ansi_cls)(void) = NULL;
void (*redraw_cursor)(void) = NULL;
static struct {
uint16_t x;
uint16_t y;
} saved_state;
void
ansi_dump_buffer() {
for (int i = 0; i < state.buflen; ++i) {
@ -139,6 +144,17 @@ ansi_put(
argv[argc] = NULL;
/* Alright, let's do this */
switch (c) {
case ANSI_SCP:
{
saved_state.x = ansi_get_csr_x();
saved_state.y = ansi_get_csr_y();
}
break;
case ANSI_RCP:
{
ansi_set_csr(saved_state.x, saved_state.y);
}
break;
case ANSI_SGR:
/* Set Graphics Rendition */
if (argc == 0) {
@ -254,7 +270,7 @@ ansi_put(
ansi_set_csr(0,0);
break;
}
ansi_set_csr(atoi(argv[1]) - 1, atoi(argv[0]) - 1);
ansi_set_csr(min(max(atoi(argv[1]), 1), state.width) - 1, min(max(atoi(argv[0]), 1), state.height) - 1);
break;
case ANSI_ED:
ansi_cls();