void set_vh_global_attribute( data_t *addr, data_t data )
{
if (*addr != data)
{
schedule_full_refresh();
*addr = data;
}
}
int crtc6845_port_w(struct crtc6845 *crtc, int offset, UINT8 data)
{
struct crtc6845_cursor cursor;
int idx;
UINT8 mask;
if (offset & 1)
{
/* write to a 6845 register, if supported */
idx = crtc->idx & 0x1f;
if (idx < (sizeof(crtc->reg) / sizeof(crtc->reg[0])))
{
mask = crtc6845_reg_mask[crtc->config.personality][idx].store_mask;
/* Don't zero out bits not covered by the mask. */
crtc->reg[crtc->idx] &= ~mask;
crtc->reg[crtc->idx] |= (data & mask);
/* are there special consequences to writing to this register? */
switch (idx) {
case 0xa:
case 0xb:
case 0xe:
case 0xf:
crtc6845_get_cursor(crtc, &cursor);
if (crtc->config.cursor_changed)
crtc->config.cursor_changed(&cursor);
break;
default:
schedule_full_refresh();
break;
}
/* since the PC1512 does not support the number of lines register directly,
* this value is keyed off of register 9
*/
if ((crtc->config.personality == M6845_PERSONALITY_PC1512) && (idx == 9))
{
UINT8 char_height;
char_height = crtc6845_get_char_height(crtc);
crtc6845_set_char_lines(crtc, 200 ); // / char_height);
}
return TRUE;
}
}
else
{
/* change the idx register */
crtc->idx = data;
}
return FALSE;
}
/***************************************************************************
Calculate the horizontal and vertical offset for the
current register settings of the 6845 CRTC
***************************************************************************/
static void cgenie_offset_xy(void)
{
if( crt.horizontal_sync_pos )
off_x = crt.horizontal_total - crt.horizontal_sync_pos - 14;
else
off_x = -15;
off_y = (crt.vertical_total - crt.vertical_sync_pos) *
(crt.scan_lines + 1) + crt.vertical_adjust
- 32;
if( off_y < 0 )
off_y = 0;
if( off_y > 128 )
off_y = 128;
schedule_full_refresh();
// logerror("cgenie offset x:%d y:%d\n", off_x, off_y);
}
static void video_pause(int pause)
{
palette_set_global_brightness_adjust(pause ? options.pause_bright : 1.00);
schedule_full_refresh();
}
void mess_ui_update(void)
{
static int ui_toggle_key = 0;
static int ui_display_count = 30;
char buf[2048];
int id;
const struct IODevice *dev;
/* traditional MESS interface */
if (Machine->gamedrv->flags & GAME_COMPUTER)
{
if( input_ui_pressed(IPT_UI_TOGGLE_UI) )
{
if( !ui_toggle_key )
{
ui_toggle_key = 1;
ui_active = !ui_active;
ui_display_count = 30;
schedule_full_refresh();
}
}
else
{
ui_toggle_key = 0;
}
if (ui_active)
{
if( ui_display_count > 0 )
{
buf[0] = 0;
strcpy(buf,ui_getstring (UI_keyb1));
strcat(buf,"\n");
strcat(buf,ui_getstring (UI_keyb2));
strcat(buf,"\n");
strcat(buf,ui_getstring (UI_keyb3));
strcat(buf,"\n");
strcat(buf,ui_getstring (UI_keyb5));
strcat(buf,"\n");
strcat(buf,ui_getstring (UI_keyb2));
strcat(buf,"\n");
strcat(buf,ui_getstring (UI_keyb7));
strcat(buf,"\n");
ui_draw_message_window(buf);
if( --ui_display_count == 0 )
schedule_full_refresh();
}
}
else
{
if( ui_display_count > 0 )
{
buf[0] = 0;
strcpy(buf,ui_getstring (UI_keyb1));
strcat(buf,"\n");
strcat(buf,ui_getstring (UI_keyb2));
strcat(buf,"\n");
strcat(buf,ui_getstring (UI_keyb4));
strcat(buf,"\n");
strcat(buf,ui_getstring (UI_keyb6));
strcat(buf,"\n");
strcat(buf,ui_getstring (UI_keyb2));
strcat(buf,"\n");
strcat(buf,ui_getstring (UI_keyb7));
strcat(buf,"\n");
ui_draw_message_window(buf);
if( --ui_display_count == 0 )
schedule_full_refresh();
}
}
}
/* run display routine for device */
if (devices_inited)
{
for (dev = Machine->devices; dev->type < IO_COUNT; dev++)
{
if (dev->display)
{
for (id = 0; id < device_count(dev->type); id++)
{
mess_image *img = image_from_devtype_and_index(dev->type, id);
dev->display(img, NULL);
}
}
}
}
}
void crtc6845_set_clock(struct crtc6845 *crtc, int freq)
{
assert(crtc);
crtc->config.freq = freq;
schedule_full_refresh();
}
static void crtc6845_state_postload(void)
{
schedule_full_refresh();
if (dirtybuffer && videoram_size)
memset(dirtybuffer, 1, videoram_size);
}
