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use crate::chip::{ScldCtrlFlags, MemoryAccess};
use crate::memory::{MemoryExtension, PagedMemory8k, ZxMemory};
use crate::formats::scr::*;
use crate::video::{Video, VideoFrame};
use super::Scld;
impl<M, B, X, V> ScreenDataProvider for Scld<M, B, X, V>
where M: ZxMemory + PagedMemory8k,
X: MemoryExtension,
V: VideoFrame
{
fn get_screen_mode(&self) -> ScrMode {
let flags = self.cur_ctrl_flags;
if flags.is_screen_hi_res() {
ScrMode::HighRes(flags.bits(), false)
}
else if flags.is_screen_hi_attrs() {
ScrMode::HighColor(false)
}
else {
ScrMode::Classic(false)
}
}
fn set_screen_mode(&mut self, mode: ScrMode) -> bool {
let mut flags = self.cur_ctrl_flags;
match mode {
ScrMode::Classic(false) => {
flags.remove(ScldCtrlFlags::SCREEN_MODE_MASK);
}
ScrMode::HighColor(false) => {
flags.remove(ScldCtrlFlags::SCREEN_MODE_MASK);
flags.insert(ScldCtrlFlags::SCREEN_HI_ATTRS);
}
ScrMode::HighRes(mode, false) => {
flags.remove(ScldCtrlFlags::SCREEN_MODE_MASK|ScldCtrlFlags::HIRES_COLOR_MASK);
flags.insert(ScldCtrlFlags::SCREEN_HI_ATTRS|ScldCtrlFlags::SCREEN_HI_RES|
(ScldCtrlFlags::from(mode) & ScldCtrlFlags::HIRES_COLOR_MASK));
}
_ => return false
}
self.set_ctrl_flags_value(flags, self.ula.current_video_ts());
true
}
fn screen_primary_ref(&self) -> &ScreenArray {
let screen = self.cur_ctrl_flags.is_screen_secondary();
self.memory_ref().screen_ref(screen.into()).unwrap()
}
fn screen_primary_mut(&mut self) -> &mut ScreenArray {
self.memory_mut().screen_mut(0).unwrap()
}
fn screen_secondary_ref(&self) -> &ScreenArray {
self.memory_ref().screen_ref(1).unwrap()
}
fn screen_secondary_mut(&mut self) -> &mut ScreenArray {
self.memory_mut().screen_mut(1).unwrap()
}
}