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- text mode character blinking feature implemented

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This commit is contained in:
Volker Ruppert 2008-02-01 18:10:36 +00:00
parent 032b13047c
commit e3e3cb5bb7
1 changed files with 17 additions and 4 deletions
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21
bochs/gui/svga.cc
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@ -1,5 +1,5 @@
/////////////////////////////////////////////////////////////////////////
// $Id: svga.cc,v 1.13 2008-01-26 00:00:30 vruppert Exp $
// $Id: svga.cc,v 1.14 2008-02-01 18:10:36 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// This library is free software; you can redistribute it and/or
@ -147,9 +147,16 @@ void bx_svga_gui_c::text_update(
unsigned int curs, hchars, i, j, offset, rows, x, y;
char s[] = " ";
int fg, bg;
bx_bool force_update = 0;
bx_bool force_update = 0, blink_state, blink_mode;
int text_palette[16];
// first check if the screen needs to be redrawn completely
blink_mode = (tm_info.blink_flags & BX_TEXT_BLINK_MODE) > 0;
blink_state = (tm_info.blink_flags & BX_TEXT_BLINK_STATE) > 0;
if (blink_mode) {
if (tm_info.blink_flags & BX_TEXT_BLINK_TOGGLE)
force_update = 1;
}
if (charmap_updated) {
BX_INFO(("charmap update. Font Height is %d", fontheight));
for (unsigned c = 0; c<256; c++) {
@ -169,7 +176,7 @@ void bx_svga_gui_c::text_update(
text_palette[i] = DEV_vga_get_actl_pal_idx(i);
}
// first invalidate character at previous and new cursor location
// invalidate character at previous and new cursor location
if((prev_cursor_y < text_rows) && (prev_cursor_x < text_cols)) {
curs = prev_cursor_y * tm_info.line_offset + prev_cursor_x * 2;
old_text[curs] = ~new_text[curs];
@ -195,7 +202,13 @@ void bx_svga_gui_c::text_update(
|| (old_text[1] != new_text[1])) {
s[0] = new_text[0];
fg = text_palette[new_text[1] & 0x0F];
bg = text_palette[(new_text[1] & 0xF0) >> 4];
if (blink_mode) {
bg = text_palette[(new_text[1] & 0x70) >> 4];
if (!blink_state && (new_text[1] & 0x80))
fg = bg;
} else {
bg = text_palette[(new_text[1] & 0xF0) >> 4];
}
if (offset == curs) {
gl_setfontcolors(fg, bg);
} else {