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#include <stdint.h>
#include "vga.h"
void entry( void )
{
vga_t vga;
vga_init( &vga );
vga_set_color( &vga, VGA_COLOR_LIGHT_GREY );
vga_set_background_color( &vga, VGA_COLOR_BLACK );
// again volatile? const results in garbage on clang
volatile char msg[] = "ABAOS";
vga_put_string_at( &vga, 0, 0, (const char *)msg );
// doesn't work
//~ vga_put_string_at( &vga, 0, 1, "ABAOS2" );
// clang 4.0.0 needs volatile otherwise it takes a random value
// from the register in the second vga_put_char_at below??!
volatile char bar[] = "\\|/-";
int pos = 5;
int i = 0;
for( i = 0; i < 10000; i++ ) {
if( i % 1000 == 0 ) {
vga_put_char_at( &vga, pos, 0, '.' );
pos++;
}
vga_put_char_at( &vga, pos, 0, bar[i%4] );
for( int j = 0; j < 1500; j++ ) {
}
}
vga_put_char_at( &vga, pos, 0, '.' );
vga_set_color( &vga, VGA_COLOR_WHITE );
vga_set_background_color( &vga, VGA_COLOR_RED );
vga_clear_screen( &vga );
for( int i = 0; i < 50; i++ ) {
for( int j = 0; j < i; j++ ) {
vga_put_char( &vga, '-' );
}
vga_put_char( &vga, '>' );
vga_put_string( &vga, (const char *)msg );
vga_put_newline( &vga );
}
}
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