From c2dba25b915edd76b5c90487a5b4c4e7a0745152 Mon Sep 17 00:00:00 2001
From: scawful <justin.scofield@outlook.com>
Date: Tue, 5 Dec 2023 03:46:08 -0500
Subject: [PATCH] Immediate addressing sized based on register used

---
 src/app/emu/cpu/addressing.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/app/emu/cpu/addressing.cc b/src/app/emu/cpu/addressing.cc
index c0aad3b7..ebf77d0b 100644
--- a/src/app/emu/cpu/addressing.cc
+++ b/src/app/emu/cpu/addressing.cc
@@ -98,8 +98,9 @@ uint32_t CPU::DirectPageIndirectLongIndexedY() {
   return effective_address;
 }
 
-uint16_t CPU::Immediate() {
-  if (GetAccumulatorSize()) {
+uint16_t CPU::Immediate(bool index_size) {
+  bool bit_mode = index_size ? GetIndexSize() : GetAccumulatorSize();
+  if (bit_mode) {
     return memory.ReadByte((PB << 16) | PC + 1);
   } else {
     return memory.ReadWord((PB << 16) | PC + 1);