From 90baf0af78cdfccbe5af4b1e767c50d8b4575f56 Mon Sep 17 00:00:00 2001
From: Kevin Hamacher <kevin.hamacher@ruhr-uni-bochum.de>
Date: Tue, 18 Feb 2020 10:35:41 +0100
Subject: [PATCH] MBC1: Allow writing to RAM

---
 src/mbc/mbc1.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/mbc/mbc1.rs b/src/mbc/mbc1.rs
index 46b9527..7f66483 100644
--- a/src/mbc/mbc1.rs
+++ b/src/mbc/mbc1.rs
@@ -94,6 +94,11 @@ impl MBC for MBC1 {
                     _ => panic!("Invalid bank mode {:02X}", val),
                 }
             }
+            0xA000..=0xBFFF => {
+                let addr = addr - 0xA000;
+                println!("Access [{:02X}] {:04X}", self.active_ram_bank(), addr);
+                self.ram[self.active_ram_bank() as usize * 0x2000 + addr as usize] = val;
+            }
             _ => panic!("MBC1: Writing {:02X} to {:04X} not supported", val, addr),
         }
     }