From 88d382b76b5f366999b02341c66fcd69fda791c9 Mon Sep 17 00:00:00 2001
From: belliash <belliash@codingworkshop.eu.org>
Date: Tue, 16 Apr 2019 19:12:39 +0200
Subject: [PATCH] Add missing VM OP descriptions.

---
 engine/vm.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/engine/vm.c b/engine/vm.c
index 89252ac..d24a1d8 100644
--- a/engine/vm.c
+++ b/engine/vm.c
@@ -2182,6 +2182,11 @@ static sxi32 VmByteCodeExec(
 					VmPopOperand(&pTos, 1);
 				}
 				break;
+			/*
+			 * JMPLFB: * * *
+			 *
+			 * Creates and enters the jump loop frame on the beginning of each iteration.
+			 */
 			case PH7_OP_JMPLFB: {
 					VmFrame *pFrame;
 					/* Enter the jump loop frame */
@@ -2192,6 +2197,10 @@ static sxi32 VmByteCodeExec(
 					pFrame->iFlags = VM_FRAME_LOOP;
 					break;
 				}
+			/*
+			 * Leaves and destroys the jump loop frame at the end of each iteration
+			 * as well as on 'break' and 'continue' instructions.
+			 */
 			case PH7_OP_JMPLFE: {
 					/* Leave the jump loop frame */
 					if(pVm->pFrame->iFlags & VM_FRAME_LOOP) {