From c98c7bdc2d3fcb3a67b2457952308a9b32b547c8 Mon Sep 17 00:00:00 2001
From: Franco Colmenarez <info@francoacg.com>
Date: Sat, 20 May 2023 23:20:48 -0500
Subject: [PATCH] print status flags

---
 snes-core/src/cpu/registers.rs | 7 +++++++
 snes-frontend/src/main.rs      | 5 +++++
 2 files changed, 12 insertions(+)

diff --git a/snes-core/src/cpu/registers.rs b/snes-core/src/cpu/registers.rs
index dd756d1..68fb0b6 100644
--- a/snes-core/src/cpu/registers.rs
+++ b/snes-core/src/cpu/registers.rs
@@ -185,6 +185,13 @@ impl Registers {
         self.d as u8
     }
 
+    pub fn is_emu_mode_flag_exposed(&self) -> bool {
+        match self.exposed_bit_zero {
+            ModeFlag::Carry => false,
+            ModeFlag::EmulationMode => true,
+        }
+    }
+
     pub fn exchange_carry_and_emulation(&mut self) {
         match self.exposed_bit_zero {
             ModeFlag::Carry => {
diff --git a/snes-frontend/src/main.rs b/snes-frontend/src/main.rs
index 4beac9c..7bd1304 100644
--- a/snes-frontend/src/main.rs
+++ b/snes-frontend/src/main.rs
@@ -333,6 +333,11 @@ fn main() {
                                     ui.text(format!("PC:       | {:#06X}",   emulator.cpu.registers.pc));
                                     ui.text(format!("EMU MODE: |  {}",       emulator.cpu.registers.emulation_mode));
                                     ui.text(format!("CARRY:    |  {}",       emulator.cpu.registers.carry));
+                                    ui.separator();
+                                    ui.text("Status flags:");
+                                    ui.text(format!("       E (exposed: {})", emulator.cpu.registers.is_emu_mode_flag_exposed()));
+                                    ui.text("NVMXDIZC");
+                                    ui.text(format!("{:08b}", emulator.cpu.registers.p));
                                 });
                         }