From 7c9aca48c9d0e6697e50dbef3a27267a791ee841 Mon Sep 17 00:00:00 2001
From: optixx <david@optixx.org>
Date: Tue, 22 Sep 2009 21:59:46 +0200
Subject: [PATCH] add shm shell commands

---
 avr/usbload/config.h |  4 ++--
 avr/usbload/shell.c  | 15 +++++++++++++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/avr/usbload/config.h b/avr/usbload/config.h
index d5d4436..ace6b64 100644
--- a/avr/usbload/config.h
+++ b/avr/usbload/config.h
@@ -50,8 +50,8 @@
 
 #define DO_CRC_CHECK_LOADER         0
 #define DO_CRC_CHECK                0
-#define DO_SHM_SCRATCHPAD           0
-#define DO_SHM                      0
+#define DO_SHM_SCRATCHPAD           1
+#define DO_SHM                      1
 #define DO_TIMER                    1
 
 #endif 
diff --git a/avr/usbload/shell.c b/avr/usbload/shell.c
index 27efce9..e62cf9b 100644
--- a/avr/usbload/shell.c
+++ b/avr/usbload/shell.c
@@ -38,6 +38,8 @@
 #include "config.h"
 #include "crc.h"
 #include "command.h"
+#include "shared_memory.h"
+
  
  
 uint8_t command_buf[RECEIVE_BUF_LEN];
@@ -251,6 +253,19 @@ void shell_run(void)
             info_P(PSTR("Set WR disable"));
             snes_wr_disable();
         }
+    }else if (strcmp((char*)t, "SHMWR") == 0) {
+        if (get_hex_arg2(&arg1,&arg2))
+            shared_memory_write((uint8_t)arg1, (uint8_t)arg1);
+        else 
+            info_P(PSTR("SHMWR <command> <value>\n"));
+    }else if (strcmp((char*)t, "SHMSAVE") == 0) {
+        shared_memory_scratchpad_region_tx_save();
+        shared_memory_scratchpad_region_rx_save();
+        info_P(PSTR("Save scratchpad\n"));
+    }else if (strcmp((char*)t, "SHMRESTORE") == 0) {
+        shared_memory_scratchpad_region_tx_restore();
+        shared_memory_scratchpad_region_rx_restore();
+        info_P(PSTR("Restore scratchpad\n"));
     }else if (strcmp((char*)t, "LOADER") == 0) {
         boot_startup_rom(500);    
     }else if (strcmp((char*)t, "RECONNECT") == 0) {