From 4b7e03931cdc04229f19dedccfe1bc86be789b46 Mon Sep 17 00:00:00 2001
From: jtuu <joona.tuukkanen@gmail.com>
Date: Thu, 17 Oct 2019 19:58:31 +0300
Subject: [PATCH] [VM] Implemented opcodes leta, flet and fleti.

---
 src/quest_editor/scripting/vm/index.ts | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/quest_editor/scripting/vm/index.ts b/src/quest_editor/scripting/vm/index.ts
index b965c38a..cb1e43c9 100644
--- a/src/quest_editor/scripting/vm/index.ts
+++ b/src/quest_editor/scripting/vm/index.ts
@@ -76,6 +76,9 @@ import {
     OP_WINDOW_MSG,
     OP_ADD_MSG,
     OP_WINEND,
+    OP_LETA,
+    OP_FLET,
+    OP_FLETI,
 } from "../opcodes";
 import { VirtualMachineMemoryBuffer, VirtualMachineMemory } from "./memory";
 import {
@@ -237,6 +240,7 @@ export class VirtualMachine {
             case OP_THREAD.code:
                 this.start_thread(arg0);
                 break;
+            // integer lets
             case OP_LET.code:
                 this.set_register_signed(arg0, this.get_register_signed(arg1));
                 break;
@@ -247,6 +251,16 @@ export class VirtualMachine {
             case OP_LETW.code:
                 this.set_register_unsigned(arg0, arg1);
                 break;
+            case OP_LETA.code:
+                this.set_register_unsigned(arg0, this.get_register_address(arg0));
+                break;
+            // float lets
+            case OP_FLET.code:
+                this.set_register_float(arg0, this.get_register_float(arg1));
+                break;
+            case OP_FLETI.code:
+                this.set_register_float(arg0, arg1);
+                break;
             case OP_SET.code:
                 this.set_register_signed(arg0, 1);
                 break;
@@ -582,6 +596,14 @@ export class VirtualMachine {
         this.registers.write_u32_at(REGISTER_SIZE * reg, value);
     }
 
+    public get_register_float(reg: number): number {
+        return this.registers.f32_at(REGISTER_SIZE * reg);
+    }
+
+    private set_register_float(reg: number, value: number): void {
+        this.registers.write_f32_at(REGISTER_SIZE * reg, value);
+    }
+
     private do_numeric_op_with_register(
         reg1: number,
         reg2: number,