Splitting vweb into multiple modules

vweb/src/wasm_cpu.rs

@@ -0,0 +1,113 @@
+use wasm_bindgen::prelude::wasm_bindgen;
+use vcore::{CPU, Word};
+use vcore::memory::{PeekPoke, PeekPokeExt};
+use vgfx::display;
+
+#[wasm_bindgen]
+pub struct WasmCPU(CPU);
+
+#[wasm_bindgen]
+impl WasmCPU {
+    #[wasm_bindgen(constructor)]
+    pub fn new() -> WasmCPU {
+        let mut cpu = CPU::new_random();
+        display::init_gfx(&mut cpu);
+        WasmCPU(cpu)
+    }
+
+    pub fn push_data(&mut self, data: i32) {
+        self.0.push_data(data)
+    }
+
+    pub fn pop_data(&mut self) -> i32 {
+        self.0.pop_data().into()
+    }
+
+    pub fn push_call(&mut self, data: i32) {
+        self.0.push_call(data)
+    }
+
+    pub fn pop_call(&mut self) -> i32 {
+        self.0.pop_call().into()
+    }
+
+    pub fn poke(&mut self, addr: u32, val: u8) {
+        self.0.poke(addr.into(), val.into())
+    }
+
+    pub fn peek(&self, addr: u32) -> u8 {
+        self.0.peek(addr.into()).into()
+    }
+
+    pub fn poke24(&mut self, addr: u32, val: i32) {
+        self.0.poke24(Word::from(addr), Word::from(val))
+    }
+
+    pub fn peek24(&self, addr: u32) -> i32 {
+        self.0.peek24(Word::from(addr)).into()
+    }
+
+    pub fn pc(&self) -> u32 {
+        self.0.pc().into()
+    }
+
+    pub fn sp(&self) -> u32 {
+        self.0.sp().into()
+    }
+
+    pub fn dp(&self) -> u32 {
+        self.0.dp().into()
+    }
+
+    pub fn halted(&self) -> bool { self.0.halted() }
+
+    pub fn get_stack(&self) -> Vec<i32> {
+        self.0.get_stack().into_iter().map(i32::from).collect()
+    }
+
+    pub fn get_call(&self) -> Vec<i32> {
+        self.0.get_call().into_iter().map(i32::from).collect()
+    }
+
+    pub fn set_pc(&mut self, val: u32) {
+        self.0.set_pc(Word::from(val))
+    }
+
+    pub fn run(&mut self) {
+        self.0.run_to_halt()
+    }
+
+    pub fn safe_run(&mut self, max_ticks: usize) {
+        let mut current = 0;
+        while !self.0.halted() && current < max_ticks {
+            current += 1;
+            self.tick()
+        }
+    }
+
+    pub fn load(&mut self, rom: Vec<u8>) {
+        for (i, b) in rom.iter().enumerate() {
+            self.poke(0x400 + i as u32, *b)
+        }
+
+        self.set_pc(0x400)
+    }
+
+    pub fn reset(&mut self) {
+        self.0.reset()
+    }
+
+    pub fn start(&mut self) {
+        self.0.start()
+    }
+
+    pub fn tick(&mut self) {
+        self.0.tick()
+    }
+}
+
+impl WasmCPU {
+    pub fn cpu(&self) -> &CPU {
+        &self.0
+    }
+}