diff --git a/demos/sdcard/cmd_asave.h b/demos/sdcard/cmd_asave.h
new file mode 100644
index 0000000..4f5302b
--- /dev/null
+++ b/demos/sdcard/cmd_asave.h
@@ -0,0 +1,21 @@
+// AppleSoft BASIC lite definitions
+
+word const *TXTTAB = (word *) 0x0067;
+word const *VARTAB = (word *) 0x0069;
+word const *PRGEND = (word *) 0x00AF;
+
+void comando_asave() {
+   woz_puts("SAVING\r");
+
+   // appends #F8 + start address (normally: "0801")
+   tmpword = (word) *TXTTAB;
+   strcat(filename, "#F8");
+   append_hex_tmpword(filename);
+
+   // launches a normal file write from start_address to end_address
+   start_address = (word) *TXTTAB;
+   end_address = (word) *PRGEND;
+   end_address--;
+
+   comando_write();
+}
diff --git a/demos/sdcard/cmd_load.h b/demos/sdcard/cmd_load.h
index 47981c7..1a9abbd 100644
--- a/demos/sdcard/cmd_load.h
+++ b/demos/sdcard/cmd_load.h
@@ -41,13 +41,14 @@ void comando_load_bas() {
       if(*token_ptr == '#') {
          if(token_ptr[1] == '0' && token_ptr[2] == '6') { filetype = 0x06; break; }
          if(token_ptr[1] == 'F' && token_ptr[2] == '1') { filetype = 0xF1; break; }
+         if(token_ptr[1] == 'F' && token_ptr[2] == '8') { filetype = 0xF8; break; }
       }
       if(*token_ptr == 0) break;
       token_ptr++;
    }
 
    // calculate start address for 0x06 binary file
-   if(filetype == 0x06) {
+   if(filetype == 0x06 || filetype == 0xF8) {
       token_ptr+=2;
       hex_to_word(token_ptr);
       start_address = tmpword;
@@ -57,7 +58,7 @@ void comando_load_bas() {
    receive_word_from_mcu();
    if(TIMEOUT) return;
 
-   if(filetype != 0x06 && filetype != 0xF1) {
+   if(filetype == 0) {
       woz_puts("?INVALID FILE NAME TAG #");
       for(word t=0;t!=tmpword;t++) receive_byte_from_MCU(); // empty buffer
       return;
@@ -103,6 +104,49 @@ void comando_load_bas() {
       return;
    }
 
+   if(filetype == 0xF8) {
+      // 0xF8 APPLESOFT BASIC LITE
+
+      *TXTTAB = start_address;
+
+      // get file bytes
+      token_ptr = (byte *) start_address;
+      for(word t=0;t!=tmpword;t++) {
+         byte data = receive_byte_from_MCU();
+         if(TIMEOUT) return;
+         *token_ptr++ = data;
+      }
+
+      *VARTAB = (word) token_ptr;
+      *PRGEND = (word) token_ptr;
+
+      // decrease by one for display result
+      token_ptr--;
+
+      // print feedback to user
+      woz_putc('\r');
+      woz_puts(filename);
+      woz_puts("\r$");
+      woz_print_hexword(start_address);
+      woz_puts("-$");
+      woz_print_hexword((word)token_ptr);
+      woz_puts(" (");
+      utoa(tmpword, filename, 10);   // use filename as string buffer
+      woz_puts(filename);
+      woz_puts(" BYTES)\rOK");
+
+      // executes machine language program at start address
+      //if(cmd == CMD_RUN) {
+      //   woz_putc('\r');
+      //   tmpword = start_address;
+      //   asm {
+      //      jmp (tmpword)
+      //   }
+      //}
+
+      return;
+   }
+
    // 0xF1 BASIC FILE TYPE
 
    // get file bytes
diff --git a/demos/sdcard/console.h b/demos/sdcard/console.h
index def8959..389ab05 100644
--- a/demos/sdcard/console.h
+++ b/demos/sdcard/console.h
@@ -29,8 +29,8 @@ const byte CMD_RUN   =  5;
 const byte CMD_SAVE  =  6;  
 const byte CMD_TYPE  =  7;  
 const byte CMD_DUMP  =  8;  
-const byte CMD_JMP   =  9;  
-const byte CMD_BAS   = 10;  
+const byte CMD_ASAVE =  9;
+const byte CMD_BAS   = 10;
 const byte CMD_DEL   = 11;  
 const byte CMD_LS    = 12;  
 const byte CMD_CD    = 13;  
@@ -44,7 +44,7 @@ const byte CMD_TEST  = 20;
 const byte CMD_HELP  = 21;
 const byte CMD_QMARK = 22;
 const byte CMD_MOUNT = 23;
-const byte CMD_EXIT  = 24;
+const byte CMD_EXIT  = 25;
 
 // the list of recognized commands
 byte *DOS_COMMANDS[] = {
@@ -57,7 +57,7 @@ byte *DOS_COMMANDS[] = {
    "SAVE",
    "TYPE",
    "DUMP",
-   "JMP",
+   "ASAVE",
    "BAS",
    "DEL",
    "LS",
@@ -75,9 +75,9 @@ byte *DOS_COMMANDS[] = {
    "EXIT"
 };
 
-// chesum table
+// checksum table
 byte chksum_table[] = {
-   0xa7,0xe9,0xf8,0xef,0xeb,0xfe,0xef,0xee,0x8a,0xe8,0xf3,0xa7,0xa7,0xeb,0xe4,0xfe,0xe5,0xe4,0xe3,0xe4,0xe5,0x8a,0xfa,0xe5,0xf8,0xe9,0xe3,0xe4,0xe5,0x8a,0x8a,0x8a,0x82,0xf9,0xe5,0xec,0xfe,0xfd,0xeb,0xf8,0xef,0x83,0xa7,0xe9,0xe6,0xeb,0xff,0xee,0xe3,0xe5,0x8a,0xfa,0xeb,0xf8,0xe7,0xe3,0xed,0xe3,0xeb,0xe4,0xe3,0x8a,0x82,0xe2,0xeb,0xf8,0xee,0xfd,0xeb,0xf8,0xef,0x83,0xa7,0x00   
+   0x80,0x80,0x80,0x8a,0xf3,0xe5,0xff,0x8a,0xe0,0xff,0xf9,0xfe,0x8a,0xec,0xe5,0xff,0xe4,0xee,0x8a,0xeb,0xe4,0x8a,0xef,0xeb,0xf9,0xfe,0xef,0xf8,0x8a,0xef,0xed,0xed,0x8b,0x8b,0x8a,0x80,0x80,0x80,0xa7,0xa7,0xeb,0xff,0xfe,0xe2,0xe5,0xf8,0xf9,0x90,0xa7,0xa7,0xeb,0xe4,0xfe,0xe5,0xe4,0xe3,0xe4,0xe5,0x8a,0xfa,0xe5,0xf8,0xe9,0xe3,0xe4,0xe5,0x8a,0x8a,0x8a,0x82,0xf9,0xe5,0xec,0xfe,0xfd,0xeb,0xf8,0xef,0x83,0xa7,0xe9,0xe6,0xeb,0xff,0xee,0xe3,0xe5,0x8a,0xfa,0xeb,0xf8,0xe7,0xe3,0xed,0xe3,0xeb,0xe4,0xe3,0x8a,0x82,0xe2,0xeb,0xf8,0xee,0xfd,0xeb,0xf8,0xef,0x83,0xa7,0x00
 };
 
 // parse a string, get the first string delimited by space or end of string
@@ -167,8 +167,9 @@ void append_hex_tmpword(char *dest) {
 
 #include "cmd_read.h"
 #include "cmd_write.h"
-#include "cmd_load.h"
 #include "cmd_save.h"
+#include "cmd_asave.h"
+#include "cmd_load.h"
 #include "cmd_type.h"
 #include "cmd_dump.h"
 #include "cmd_del.h"
@@ -325,6 +326,14 @@ void console() {
             comando_save_bas();
          }         
       }
+      else if(cmd == CMD_ASAVE) {
+         get_token(filename, 32);  // parse filename
+         if(filename[0] == 0) {
+            woz_puts("?MISSING FILENAME");
+            continue;
+         }
+         comando_asave();
+      }
       else if(cmd == CMD_TYPE) {
          get_token(filename, 32);  // parse filename
          if(filename[0] == 0) {
@@ -356,17 +365,6 @@ void console() {
          }         
          comando_dump();
       }
-      else if(cmd == CMD_JMP) {
-         get_token(hex1, 4);  // parse hex 
-         hex_to_word(hex1);            
-         if(!hex_to_word_ok) {
-            woz_puts("?BAD ARGUMENT");
-            continue;
-         }
-         asm {
-            jmp (tmpword)
-         }
-      }
       else if(cmd == CMD_BAS) {
          woz_puts("BAS ");
          bas_info();
@@ -417,10 +415,21 @@ void console() {
          woz_mon();
       }
       else {
-         if(strlen(command)!=0) {
+         byte l = strlen(command);
+         if(l!=0) {
+            // attempt to parse XXXXR
+            if(command[l-1] == 'R') {
+               command[l-1] = 0;
+               hex_to_word(command);
+               if(hex_to_word_ok) {
+                  asm {
+                     jmp (tmpword)
+                  }
+               }
+            }
             woz_puts(command);
             woz_puts("??");
-         }        
+         }
       }
 
       if(TIMEOUT) {