1 files changed, 55 insertions, 0 deletions
diff --git a/pc-thing/runtime.ts b/pc-thing/runtime.ts
new file mode 100644
index 0000000..cde4b95
--- /dev/null
+++ b/pc-thing/runtime.ts
@@ -0,0 +1,55 @@
+import { PC } from "./pc.ts";
+
+class Runtime {
+    pc: PC = new PC()
+    instructions: Map<string, (this: PC, argv: string[]) => void> = new Map()
+
+    addInstruction(name: string, instruction: (this: PC, argv: string[]) => void) {
+        this.instructions.set(name, instruction)
+    }
+
+    run(line: string) {
+        line = line.replace(/\s*;.*$/gm, '')
+        if (!line) return;
+        const [instr, ...argv] = line.split(' ')
+        const instructionId = instr.toLowerCase()
+        if (!this.instructions.has(instructionId))
+            throw 'unknown instruction';
+        const instruction = this.instructions.get(instructionId);
+        if (!instruction)
+            throw 'unknown instruction';
+        instruction.call(this.pc, argv)
+    }
+}
+
+const runtime = new Runtime()
+
+const dir = Deno.readDirSync('instructions');
+
+for (const filename of dir) {
+    runtime.addInstruction(filename.name.replace(/\..*?$/g, ''),
+        (await import('./instructions/'+filename.name)).default)
+}
+
+const code = new TextDecoder().decode(Deno.readFileSync('code.p')).split('\n')
+
+runtime.pc.programPointer = 0
+while (runtime.pc.programPointer < code.length) {
+    const line = code[runtime.pc.programPointer]
+    try {
+        runtime.run(line)
+        // console.debug('0'.repeat(4 - String(runtime.pc.programPointer).length) +
+        //     runtime.pc.programPointer,
+        //     runtime.pc.registers, line)
+    } catch (error) {
+        console.error(error, 'at', line);
+        throw 'Unexpected error while running program'
+    }
+    runtime.pc.programPointer++
+}
+
+console.debug('end of execution, dumping ram', runtime.pc.mem)
+Deno.writeFileSync('ram.bin', Uint8Array.from(runtime.pc.mem.map(a => [a & 0x00FF, (a & 0xFF00) >> 8]).flatMap(([a, b]) => [a, b])))
+new Deno.Command('hexdump', {
+    args: ['-C', 'ram.bin']
+}).spawn()
\ No newline at end of file