void fb_put(char c)
{
uint32_t location = fb_position();
if (c == 0x08 && s_fbx)
{
s_fbx--;
}
else if (c == '\r')
{
s_fbx = 0;
}
else if (c == '\n')
{
s_fbx = 0;
s_fby++;
}
else if (c >= ' ')
{
FB[location] = c | s_attribute;
s_fbx++;
}
if (s_fbx >= FB_COLUMNS)
{
s_fbx = 0;
s_fby++;
}
fb_scroll();
fb_move_cursor();
}
static inline void fb_move_cursor()
{
uint16_t location = fb_position();
outb(FB_COMMAND_PORT, FB_HIGH_BYTE_COMMAND);
outb(FB_DATA_PORT, ((location >> 8) & 0x00ff));
outb(FB_COMMAND_PORT, FB_LOW_BYTE_COMMAND);
outb(FB_DATA_PORT, location & 0x00ff);
}
static void document_new_position( void )
{
region_lay_tag *top_reg;
spacing_bu top_pos;
/* The value used for fb_position() should be the first line of text,
* even if that is from a TITLE tag (top banners do not apply to TITLEP).
* This handles documents starting with banners and text only.
*/
if( sect_ban_top[page & 1] != NULL ) {
top_reg = sect_ban_top[page & 1]->top_line;
if( bin_driver->y_positive == 0x00 ) {
top_pos = g_page_top_org - top_reg->reg_depth;
} else {
top_pos = g_page_top_org + top_reg->reg_depth;
}
g_cur_v_start = top_pos;
} else {
top_pos = g_page_top;
if( bin_driver->y_positive == 0x00 ) {
g_cur_v_start = g_page_top - wgml_fonts[0].line_height;
} else {
g_cur_v_start = g_page_top + wgml_fonts[0].line_height;
}
}
g_cur_h_start = g_page_left_org;
if( GlobalFlags.lastpass ) {
if( ProcFlags.fb_position_done ) {
fb_new_section( g_cur_v_start );
} else {
fb_position( g_cur_h_start, g_cur_v_start );
ProcFlags.fb_position_done = true;
}
}
g_cur_v_start = top_pos; // reset so first line positioning is correct
return;
}