From f4714a78139b6a29ef6cbf95abfcd662dc84e1dc Mon Sep 17 00:00:00 2001
From: Logan McNaughton <848146+loganmc10@users.noreply.github.com>
Date: Mon, 27 Jan 2025 19:42:36 +0100
Subject: [PATCH] add rdram reg that libdragon seems to access (#191)

* add rdram reg that libdragon seems to access

* more
---
 src/device/rdram.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/device/rdram.rs b/src/device/rdram.rs
index 87a70d3..9132c6f 100644
--- a/src/device/rdram.rs
+++ b/src/device/rdram.rs
@@ -77,6 +77,7 @@ pub fn read_regs(
     let reg = (address & 0x3FF) >> 2;
     match reg as u32 {
         RDRAM_MODE_REG => device.pi.regs[reg as usize] ^ 0xc0c0c0c0,
+        0x80 => 0x00000000, //Row, needed for libdragon
         _ => device.rdram.regs[chip_id as usize][reg as usize],
     }
 }