From 891f1e8b9075a08dd1b8ffa0f538fe168788f96b Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Sun, 7 Jun 2015 10:23:15 +0100
Subject: [PATCH] carts: add a lookup for slot/cartridge

Hopefully we can eventually sort of autodetect floppy type etc
---
 Kernel/platform-dragon-nx32/carts.h |  6 ++++++
 Kernel/platform-dragon-nx32/main.c  | 19 ++++++++++++++++---
 2 files changed, 22 insertions(+), 3 deletions(-)
 create mode 100644 Kernel/platform-dragon-nx32/carts.h

diff --git a/Kernel/platform-dragon-nx32/carts.h b/Kernel/platform-dragon-nx32/carts.h
new file mode 100644
index 00000000..3e3f4016
--- /dev/null
+++ b/Kernel/platform-dragon-nx32/carts.h
@@ -0,0 +1,6 @@
+#define CART_DRAGONDOS	1		/* DragonDOS floppy */
+#define CART_DELTADOS	2		/* DeltaDOS floppy */
+#define CART_RSDOS	3		/* RSDOS Cartridge */
+#define CART_ORCH90	4		/* Orchestra Sound */
+
+extern int cart_find(int id);
diff --git a/Kernel/platform-dragon-nx32/main.c b/Kernel/platform-dragon-nx32/main.c
index 7fdb531a..6ed6de1c 100644
--- a/Kernel/platform-dragon-nx32/main.c
+++ b/Kernel/platform-dragon-nx32/main.c
@@ -4,6 +4,7 @@
 #include <printf.h>
 #include <device.h>
 #include <devtty.h>
+#include <carts.h>
 
 uint8_t membanks;
 uint8_t system_id;
@@ -51,13 +52,25 @@ struct cart_rom_id {
 static const char empty[] = "(empty)";
 
 struct cart_rom_id carts[] = {
-	{ 0x72B0, 1, "DragonDOS" },
-	{ 0x9063, 3, "DeltaDOS" },
+	{ 0x72B0, CART_DRAGONDOS, "DragonDOS" },
+	{ 0x9063, CART_DELTADOS, "DeltaDOS" },
 	{ 0xB400, 0, empty },
-	{ 0xC248, 2, "RS-DOS" },
+	{ 0xC248, CART_RSDOS, "RS-DOS" },
+	{ 0xE1BA, CART_ORCH90, "Orchestra-90 CC" },
 	{ 0x0000, 0, "No ROM" }
 };
 
+/* Find a cartridge or it's slot */
+int cart_find(int id)
+{
+	int i;
+	for (i = 0; i < id; i++) {
+		if (carttype[i] == id)
+			return i;
+	}
+	return -1;
+}
+
 static struct cart_rom_id *cart_lookup(uint16_t hash)
 {
 	struct cart_rom_id *cart = carts;
-- 
2.34.1