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mod headless_emulator;
mod graphical_emulator;
mod dynamic_emulator;
pub use headless_emulator::*;
pub use graphical_emulator::*;
pub use dynamic_emulator::*;
use crate::*;
use ansi::*;
pub struct EmulatorConfig {
pub initial_dimensions: ScreenDimensions,
pub fullscreen: bool,
pub zoom: NonZeroU32,
pub override_palette: Option<[Colour; 16]>,
pub show_cursor: bool,
pub decode_stdin: bool,
pub encode_stdout: bool,
pub symbols_path: Option<PathBuf>,
pub metadata: Option<ProgramMetadata>,
}
pub struct DebugState {
pub enabled: bool,
last_cycle: usize,
last_mark: Instant,
symbols: DebugSymbols,
}
impl DebugState {
pub fn new<P: AsRef<Path>>(enabled: bool, symbols_path: Option<P>) -> Self {
Self {
enabled,
last_cycle: 0,
last_mark: Instant::now(),
symbols: DebugSymbols::from_path_opt(symbols_path),
}
}
pub fn debug_summary(&mut self, core: &BedrockCore) {
if self.enabled {
let prev_pc = core.mem.pc.wrapping_sub(1);
eprintln!("\n PC: 0x{:04x} Cycles: {} (+{} in {:.2?})",
prev_pc, core.cycle,
core.cycle.saturating_sub(self.last_cycle),
self.last_mark.elapsed(),
);
eprint!("WST: ");
debug_stack(&core.wst, 0x10);
eprint!("RST: ");
debug_stack(&core.rst, 0x10);
// Print information about the closest symbol.
if let Some(symbol) = self.symbols.for_address(prev_pc) {
let name = &symbol.name;
let address = &symbol.address;
eprint!("SYM: {BLUE}@{name}{NORMAL} 0x{address:04x}");
if let Some(location) = &symbol.location {
eprint!(" {DIM}{location}{NORMAL}");
}
eprintln!();
}
}
self.last_cycle = core.cycle;
self.last_mark = Instant::now();
}
}
fn debug_stack(stack: &Stack, len: usize) {
for i in 0..len {
if i == stack.sp as usize { eprint!("{YELLOW}"); }
eprint!("{:02x} ", stack.mem[i]);
}
eprintln!("{NORMAL}");
}
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