From 2d3eeed53acb444b8b283e712da0141b88c38d2e Mon Sep 17 00:00:00 2001
From: nsx0r <nnssxx@gmail.com>
Date: Wed, 14 Dec 2022 21:46:39 +0100
Subject: [PATCH] fixed mapper 23
fixed mapper 23, tested working with Ganbare Goemon 2
---
Cart_Reader/NES.ino | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/Cart_Reader/NES.ino b/Cart_Reader/NES.ino
index d0a645d..b4743d8 100644
--- a/Cart_Reader/NES.ino
+++ b/Cart_Reader/NES.ino
@@ -2719,7 +2719,6 @@ void readPRG(boolean readrom) {
break;
case 22:
- case 23:
case 25:
case 65:
case 75: // 128K/256K
@@ -2732,6 +2731,18 @@ void readPRG(boolean readrom) {
}
}
break;
+
+ case 23:
+ banks = int_pow(2, prgsize) * 2;
+ write_prg_byte(0x9002, 0);
+ write_prg_byte(0x9008, 0);
+ for (int i = 0; i < banks; i++) {
+ write_prg_byte(0x8000, i);
+ for (word address = 0x0; address < 0x2000; address += 512) {
+ dumpPRG(base, address);
+ }
+ }
+ break;
case 24:
case 26: // 256K