void vic_change_timing(void)
{
int mode;
resources_get_int("MachineVideoStandard", &mode);
switch (mode) {
case MACHINE_SYNC_NTSC:
vic.screen_height = VIC20_NTSC_SCREEN_LINES;
vic.screen_width = VIC_NTSC_SCREEN_WIDTH;
vic.display_width = VIC_NTSC_DISPLAY_WIDTH;
vic.first_displayed_line = VIC20_NTSC_FIRST_DISPLAYED_LINE;
vic.last_displayed_line = VIC20_NTSC_LAST_DISPLAYED_LINE;
vic.cycles_per_line = VIC20_NTSC_CYCLES_PER_LINE;
vic.cycle_offset = VIC20_NTSC_CYCLE_OFFSET;
vic.max_text_cols = VIC_NTSC_MAX_TEXT_COLS;
break;
case MACHINE_SYNC_PAL:
default:
vic.screen_height = VIC20_PAL_SCREEN_LINES;
vic.screen_width = VIC_PAL_SCREEN_WIDTH;
vic.display_width = VIC_PAL_DISPLAY_WIDTH;
vic.first_displayed_line = VIC20_PAL_FIRST_DISPLAYED_LINE;
vic.last_displayed_line = VIC20_PAL_LAST_DISPLAYED_LINE;
vic.cycles_per_line = VIC20_PAL_CYCLES_PER_LINE;
vic.cycle_offset = VIC20_PAL_CYCLE_OFFSET;
vic.max_text_cols = VIC_PAL_MAX_TEXT_COLS;
break;
}
if (vic.initialized) {
vic_set_geometry();
raster_mode_change();
}
}
void ted_change_timing(machine_timing_t *machine_timing, int bordermode)
{
ted_timing_set(machine_timing, bordermode);
if (ted.initialized) {
ted_set_geometry();
raster_mode_change();
}
}
/* Redraw the current raster line. */
static void vdc_raster_draw_alarm_handler(CLOCK offset, void *data)
{
int in_visible_area, in_idle_state;
in_visible_area = (vdc.raster.current_line
>= vdc.first_displayed_line
&& vdc.raster.current_line
<= vdc.last_displayed_line);
in_idle_state = (vdc.raster.current_line < vdc.border_height)
|| (vdc.raster.current_line >
(vdc.border_height + vdc.screen_ypix));
if (vdc.raster.current_line == vdc.first_displayed_line * 2 + 1) {
vdc.screen_adr = ((vdc.regs[12] << 8) | vdc.regs[13])
& vdc.vdc_address_mask;
vdc.attribute_adr = ((vdc.regs[20] << 8) | vdc.regs[21])
& vdc.vdc_address_mask;
}
if (vdc.raster.current_line == 0) {
vdc.mem_counter = 0;
vdc.bitmap_counter = 0;
vdc.raster.ycounter = 0;
vdc.frame_counter++;
if (vdc.regs[24] & 0x20) vdc.attribute_blink = vdc.frame_counter & 16;
else vdc.attribute_blink = vdc.frame_counter & 8;
if (vdc.update_geometry) {
vdc_update_geometry();
vdc.force_resize = 1;
vdc.force_repaint = 1;
/* Screen height has changed, so do not invalidate cache with
the new value. It will be recreated by resize anyway. */
vdc.force_cache_flush = 0;
} else {
if (vdc.force_cache_flush) {
vdc_invalidate_cache(&vdc.raster, vdc.screen_height);
vdc.force_cache_flush = 0;
}
}
if (vdc.force_resize) {
if (vdc.initialized) {
vdc_set_geometry();
raster_mode_change();
}
vdc.force_resize = 0;
}
if (vdc.force_repaint) {
vdc.force_repaint = 0;
raster_force_repaint(&vdc.raster);
}
}
raster_line_emulate(&vdc.raster);
#ifdef __MSDOS__
if (vdc.raster.canvas->viewport->update_canvas)
canvas_set_border_color(vdc.raster.canvas,
vdc.raster.border_color);
#endif
if (in_visible_area && !in_idle_state) {
vdc_increment_memory_pointer();
vdc_set_video_mode();
}
vdc_set_next_alarm(offset);
}
