From: kub <derkub@gmail.com>
Date: Mon, 16 Dec 2024 19:51:14 +0000 (+0100)
Subject: mcd, fix rom access in MD+ page
X-Git-Tag: v2.04~102
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d70fed9e7a0be2bb3a38127c010c9b10d76a00fc;p=picodrive.git

mcd, fix rom access in MD+ page
---

diff --git a/pico/cd/megasd.c b/pico/cd/megasd.c
index 76195461..6f1ec7ea 100644
--- a/pico/cd/megasd.c
+++ b/pico/cd/megasd.c
@@ -177,7 +177,7 @@ static void msd_init(void)
     Pico_msd.state = 1;
     Pico_msd.index = -1;
 
-    // enable CD drive
+    // CD LEDs
     s68k_write8(0xff8000, 0x2);
 
     PicoResetHook = msd_reset;
@@ -201,10 +201,9 @@ static u32 msd_read16(u32 a)
 {
   u16 d = 0;
 
-  a = (u16)a;
-  if (a >= 0x0f800) {
+  if ((u16)a >= 0x0f800) {
     d = Pico_msd.data[(a&0x7ff)>>1];
-  } else if (a >= 0xf7f0) {
+  } else if ((u16)a >= 0xf7f0) {
     switch (a&0xe) {
       case 0x6: d = 0x5241; break; // RA
       case 0x8: d = 0x5445; break; // TE