From f5dcff2f292d227fba100d3a46bd04806ec597f0 Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Mon, 15 Feb 2021 15:05:56 -0500
Subject: [PATCH] Honours interrupt vector.

---
 InstructionSets/M50740/Executor.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/InstructionSets/M50740/Executor.cpp b/InstructionSets/M50740/Executor.cpp
index e32077fea..9748a4fcf 100644
--- a/InstructionSets/M50740/Executor.cpp
+++ b/InstructionSets/M50740/Executor.cpp
@@ -219,7 +219,7 @@ template<bool is_brk> inline void Executor::perform_interrupt(uint16_t vector) {
 	push(uint8_t(program_counter_ >> 8));
 	push(uint8_t(program_counter_ & 0xff));
 	push(flags() | (is_brk ? 0x10 : 0x00));
-	set_program_counter(uint16_t(memory_[0x1ff4] | (memory_[0x1ff5] << 8)));
+	set_program_counter(uint16_t(memory_[vector] | (memory_[vector+1] << 8)));
 }
 
 template <Operation operation, AddressingMode addressing_mode> void Executor::perform() {