From 448f86e335b8ecd4699c2eadc03fc97ca0bdc19f Mon Sep 17 00:00:00 2001
From: Syndamia <kamen@syndamia.com>
Date: Sat, 15 Feb 2025 09:25:45 +0200
Subject: feat(vmm): Help menu

---
 vm/src/vmm/command.rs | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'vm/src')

diff --git a/vm/src/vmm/command.rs b/vm/src/vmm/command.rs
index 6791663..188030e 100644
--- a/vm/src/vmm/command.rs
+++ b/vm/src/vmm/command.rs
@@ -110,6 +110,35 @@ pub(super) fn parse_and_exec(input: String, vm: &mut VirtualMachine) -> Result<(
 
         /* Other */
         "q" | "quit" | "e" | "exit" => return Err(String::new()),
+        "h" | "?" | "help" => {
+            print!("<ADDRESS> is a usize constant
+<VALUE> is a Word (i64) constant
+
+Multiple 'Memory IO' commands may be put on a single line, when
+separated by spaces
+
+General commands:
+  h, ?, help          This menu
+  q, e, quit, exit    Stop and exit the virtual machine
+
+Normal execution:
+  r, run <ADDRESS>    Start normal execution at ADDRESS
+                      Only applicable when 'HALTED'
+
+Single-step execution:
+  s, single <ADDRESS>    Start single-step execution at ADDRESS
+  c, continue            Resume normal execution
+                         Only applicable when in 'STEP' mode
+  n, next                Execute next instruction
+                         Only applicable when in 'STEP' mode
+
+Memory IO:
+  <ADDRESS>              Print the value at the location
+  <ADDRESS>.<ADDRESS>    Print the values between the locations
+                         (inclusive range)
+  <ADDRESS>:<VALUE>      Set value at ADDRESS to VALUE
+");
+        },
         _ => {
             for arg in args {
                 let assignment = arg.contains(':');
-- 
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