/* Initialization. */
raster_t *vic_init(void)
{
vic.log = log_open("VIC");
vic.raster_draw_alarm = alarm_new(maincpu_alarm_context, "VicIRasterDraw",
vic_raster_draw_alarm_handler, NULL);
clk_guard_add_callback(maincpu_clk_guard, clk_overflow_callback, NULL);
vic_change_timing();
if (init_raster() < 0)
return NULL;
vic.auxiliary_color = 0;
vic.mc_border_color = 0;
vic.color_ptr = mem_ram;
vic.screen_ptr = mem_ram;
vic.chargen_ptr = vic20memrom_chargen_rom + 0x400;
/* FIXME: Where do these values come from? */
vic.light_pen.triggered = 0;
vic.light_pen.x = 87;
vic.light_pen.y = 234;
/* FIXME */
vic.char_height = 8;
vic.row_increase_line = 8;
vic.text_cols = 22;
vic.text_lines = 23;
vic_reset();
vic_draw_init();
vic_update_memory_ptrs();
vic.initialized = 1;
resources_touch("VICDoubleSize");
/*vic_resize();*/
return &vic.raster;
}
void machine_change_timing(int timeval)
{
switch (timeval) {
case MACHINE_SYNC_PAL:
machine_timing.cycles_per_sec = VIC20_PAL_CYCLES_PER_SEC;
machine_timing.cycles_per_rfsh = VIC20_PAL_CYCLES_PER_RFSH;
machine_timing.rfsh_per_sec = VIC20_PAL_RFSH_PER_SEC;
machine_timing.cycles_per_line = VIC20_PAL_CYCLES_PER_LINE;
machine_timing.screen_lines = VIC20_PAL_SCREEN_LINES;
break;
case MACHINE_SYNC_NTSC:
machine_timing.cycles_per_sec = VIC20_NTSC_CYCLES_PER_SEC;
machine_timing.cycles_per_rfsh = VIC20_NTSC_CYCLES_PER_RFSH;
machine_timing.rfsh_per_sec = VIC20_NTSC_RFSH_PER_SEC;
machine_timing.cycles_per_line = VIC20_NTSC_CYCLES_PER_LINE;
machine_timing.screen_lines = VIC20_NTSC_SCREEN_LINES;
break;
default:
log_error(vic20_log, "Unknown machine timing.");
}
vsync_set_machine_parameter(machine_timing.rfsh_per_sec,
machine_timing.cycles_per_sec);
sound_set_machine_parameter(machine_timing.cycles_per_sec,
machine_timing.cycles_per_rfsh);
sid_set_machine_parameter(machine_timing.cycles_per_sec);
debug_set_machine_parameter(machine_timing.cycles_per_line,
machine_timing.screen_lines);
drive_set_machine_parameter(machine_timing.cycles_per_sec);
serial_iec_device_set_machine_parameter(machine_timing.cycles_per_sec);
clk_guard_set_clk_base(maincpu_clk_guard, machine_timing.cycles_per_rfsh);
vic_change_timing();
mem_patch_kernal();
machine_trigger_reset(MACHINE_RESET_MODE_HARD);
}
void machine_change_timing(int timeval)
{
int border_mode;
switch (timeval) {
default:
case MACHINE_SYNC_PAL ^ VIC_BORDER_MODE(VIC_NORMAL_BORDERS):
case MACHINE_SYNC_NTSC ^ VIC_BORDER_MODE(VIC_NORMAL_BORDERS):
timeval ^= VIC_BORDER_MODE(VIC_NORMAL_BORDERS);
border_mode = VIC_NORMAL_BORDERS;
break;
case MACHINE_SYNC_PAL ^ VIC_BORDER_MODE(VIC_FULL_BORDERS):
case MACHINE_SYNC_NTSC ^ VIC_BORDER_MODE(VIC_FULL_BORDERS):
timeval ^= VIC_BORDER_MODE(VIC_FULL_BORDERS);
border_mode = VIC_FULL_BORDERS;
break;
case MACHINE_SYNC_PAL ^ VIC_BORDER_MODE(VIC_DEBUG_BORDERS):
case MACHINE_SYNC_NTSC ^ VIC_BORDER_MODE(VIC_DEBUG_BORDERS):
timeval ^= VIC_BORDER_MODE(VIC_DEBUG_BORDERS);
border_mode = VIC_DEBUG_BORDERS;
break;
case MACHINE_SYNC_PAL ^ VIC_BORDER_MODE(VIC_NO_BORDERS):
case MACHINE_SYNC_NTSC ^ VIC_BORDER_MODE(VIC_NO_BORDERS):
timeval ^= VIC_BORDER_MODE(VIC_NO_BORDERS);
border_mode = VIC_NO_BORDERS;
break;
}
switch (timeval) {
case MACHINE_SYNC_PAL:
machine_timing.cycles_per_sec = VIC20_PAL_CYCLES_PER_SEC;
machine_timing.cycles_per_rfsh = VIC20_PAL_CYCLES_PER_RFSH;
machine_timing.rfsh_per_sec = VIC20_PAL_RFSH_PER_SEC;
machine_timing.cycles_per_line = VIC20_PAL_CYCLES_PER_LINE;
machine_timing.screen_lines = VIC20_PAL_SCREEN_LINES;
machine_timing.power_freq = 50;
break;
case MACHINE_SYNC_NTSC:
machine_timing.cycles_per_sec = VIC20_NTSC_CYCLES_PER_SEC;
machine_timing.cycles_per_rfsh = VIC20_NTSC_CYCLES_PER_RFSH;
machine_timing.rfsh_per_sec = VIC20_NTSC_RFSH_PER_SEC;
machine_timing.cycles_per_line = VIC20_NTSC_CYCLES_PER_LINE;
machine_timing.screen_lines = VIC20_NTSC_SCREEN_LINES;
machine_timing.power_freq = 60;
break;
default:
log_error(vic20_log, "Unknown machine timing.");
}
vsync_set_machine_parameter(machine_timing.rfsh_per_sec,
machine_timing.cycles_per_sec);
sound_set_machine_parameter(machine_timing.cycles_per_sec,
machine_timing.cycles_per_rfsh);
sid_set_machine_parameter(machine_timing.cycles_per_sec);
debug_set_machine_parameter(machine_timing.cycles_per_line,
machine_timing.screen_lines);
drive_set_machine_parameter(machine_timing.cycles_per_sec);
serial_iec_device_set_machine_parameter(machine_timing.cycles_per_sec);
#ifdef HAVE_MOUSE
neos_mouse_set_machine_parameter(machine_timing.cycles_per_sec);
#endif
clk_guard_set_clk_base(maincpu_clk_guard, machine_timing.cycles_per_rfsh);
vic_change_timing(&machine_timing, border_mode);
mem_patch_kernal();
machine_trigger_reset(MACHINE_RESET_MODE_HARD);
}
