From 062c6e6a2df781c74160c91884ddc85cc2db5612 Mon Sep 17 00:00:00 2001
From: _ <_@_>
Date: Tue, 26 Sep 2023 23:19:12 -0500
Subject: [PATCH] :bug: bug: fix loader bug

---
 src/loader.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/loader.rs b/src/loader.rs
index 108e6c4..056eeef 100644
--- a/src/loader.rs
+++ b/src/loader.rs
@@ -43,13 +43,17 @@ pub (crate) fn compile_bytecode (source: Vec <u8>) -> Vec <u8> {
 	output.stdout.as_slice ().to_vec ()
 }
 
+fn i_sb (buf: [u8; 4]) -> Option <i8> {
+	let b = buf [2];
+	i8::try_from (i32::try_from (b).ok ()? - 127).ok ()
+}
+
 pub fn parse_inst (buf: [u8; 4]) -> Option <Inst>
 {
 	let opcode = buf [0] & 0x7f;
 	
 	let a = (buf [0] >> 7) | ((buf [1] & 0x7f) << 1);
 	let b = buf [2];
-	let sb = i8::try_from (b).ok ()? - 127;
 	let ax = a as u32 + ((b as u32) << 8);
 	let c = buf [3];
 	let bx = 
@@ -84,7 +88,7 @@ pub fn parse_inst (buf: [u8; 4]) -> Option <Inst>
 		0x30 => Inst::MmBinK (a, b, c, k),
 		0x33 => Inst::Not (a, b),
 		0x3c => Inst::EqK (a, b, k),
-		0x3d => Inst::EqI (a, sb, k),
+		0x3d => Inst::EqI (a, i_sb (buf)?, k),
 		0x38 => Inst::Jmp (s_j),
 		0x42 => Inst::Test (a, k),
 		0x44 => Inst::Call (a, b, c),