From 5127202722b2e9f07b4df9be2dc411baa5545290 Mon Sep 17 00:00:00 2001
From: Aryadev Chavali <aryadev@aryadevchavali.com>
Date: Tue, 31 Oct 2023 21:41:53 +0000
Subject: Introduced 3 new union members to data_t

These new members are just signed versions of the previous members.
This makes type punning and usage for signed versions easier than
before (no need for memcpy).
---
 lib/base.h   |  3 +++
 vm/runtime.c | 12 +++---------
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/lib/base.h b/lib/base.h
index 64d8f74..7acf13f 100644
--- a/lib/base.h
+++ b/lib/base.h
@@ -48,8 +48,11 @@ typedef i64 s_word;
 typedef union
 {
   byte as_byte;
+  s_byte as_char;
   hword as_hword;
+  s_hword as_int;
   word as_word;
+  s_word as_long;
 } data_t;
 
 typedef enum
diff --git a/vm/runtime.c b/vm/runtime.c
index a7d356d..a2e78b7 100644
--- a/vm/runtime.c
+++ b/vm/runtime.c
@@ -188,27 +188,21 @@ err_t vm_execute(vm_t *vm)
     switch (print_type)
     {
     case TYPE_CHAR: {
-      char c = 0;
-      memcpy(&c, &datum.as_byte, 1);
-      printf("%c", c);
+      printf("%c", datum.as_char);
       break;
     }
     case TYPE_BYTE:
       printf("0x%x", datum.as_byte);
       break;
     case TYPE_INT: {
-      s_hword i = 0;
-      memcpy(&i, &datum.as_hword, HWORD_SIZE);
-      printf("%" PRId32, i);
+      printf("%" PRId32, datum.as_int);
       break;
     }
     case TYPE_HWORD:
       printf("%" PRIu32, datum.as_hword);
       break;
     case TYPE_LONG: {
-      s_word i = 0;
-      memcpy(&i, &datum.as_word, WORD_SIZE);
-      printf("%" PRId64, i);
+      printf("%" PRId64, datum.as_long);
       break;
     }
     case TYPE_WORD:
-- 
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