70 lines
1.6 KiB
Rust
70 lines
1.6 KiB
Rust
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mod cpu_trait;
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pub use cpu_trait::{CpuTrait, DebugMode, RunMode};
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#[wasm_bindgen]
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impl WasmCpu {
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#[wasm_bindgen(constructor)]
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pub fn new() -> Self {
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WasmCpu {
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memory: [0; 64 * 1024],
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registers: [0; 8],
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ip: 0,
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sp: 0xFFFF,
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flags: 0,
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verbose: false,
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}
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}
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pub fn set_verbose(&mut self, verbose: bool) {
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self.verbose = verbose;
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}
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pub fn load_memory(&mut self, memory: &[u8]) {
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self.memory[..memory.len()].copy_from_slice(memory);
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}
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pub fn execute(&mut self, run_mode: RunMode) {
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match run_mode {
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RunMode::Run => self.run(),
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RunMode::Debug(debug_mode) => self.debug(debug_mode),
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RunMode::StepOver => self.step_over(),
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RunMode::StepInto => self.step_into(),
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RunMode::StepOut => self.step_out(),
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RunMode::RunFor(cycles) => self.run_for(cycles),
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}
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}
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fn run(&mut self) {
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while self.ip < self.memory.len() as u16 {
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self.step();
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}
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}
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fn debug(&mut self, _debug_mode: DebugMode) {
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// Implement debug functionality
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}
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fn run_for(&mut self, cycles: usize) {
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for _ in 0..cycles {
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self.step();
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}
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}
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fn step_over(&mut self) {
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self.step(); // Placeholder for step-over functionality
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}
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fn step_into(&mut self) {
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self.step(); // Placeholder for step-into functionality
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}
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fn step_out(&mut self) {
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self.step(); // Placeholder for step-out functionality
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}
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fn step(&mut self) {
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// Fetch and execute instructions
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}
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}
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