diff --git a/.gitignore b/.gitignore
index 7ab1c86..ed47576 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 *.o
 *.DS_Store
 RaspberryPi/apple2driver/apple2driver
+RaspberryPi/Apple2-IO-RPi.log
diff --git a/Apple2/27256.bin b/Apple2/27256.bin
index b0094fb..792458c 100644
Binary files a/Apple2/27256.bin and b/Apple2/27256.bin differ
diff --git a/Apple2/AT28C64B.bin b/Apple2/AT28C64B.bin
index 82e4577..873b927 100644
Binary files a/Apple2/AT28C64B.bin and b/Apple2/AT28C64B.bin differ
diff --git a/Apple2/MenuFirmware.asm b/Apple2/MenuFirmware.asm
index ea9de01..d46b284 100644
--- a/Apple2/MenuFirmware.asm
+++ b/Apple2/MenuFirmware.asm
@@ -55,12 +55,28 @@ Start:
  ldy #$00
 PrintString:
  lda Text,y
- beq GetChar
+ beq WaitForRPi
  ora #$80
  jsr $fded
  iny
  bne PrintString
 
+WaitForRPi:
+ lda InputFlags
+ rol
+ bcs OK
+ lda #$ff
+ jsr $fca8
+ lda #$ae
+ jsr $fded
+ jmp WaitForRPi
+
+OK:
+ lda #$cf
+ jsr $fded
+ lda #$cb
+ jsr $fded
+
 GetChar: 
  jsr $fd0c
  sec	;subtract ascii "1" to get 0 - 3 from "1" to "4"
diff --git a/Apple2/MenuFirmware.lst b/Apple2/MenuFirmware.lst
index 5656c24..51a6883 100644
--- a/Apple2/MenuFirmware.lst
+++ b/Apple2/MenuFirmware.lst
@@ -58,81 +58,90 @@ Current file: MenuFirmware.asm
 00C721  1  20 58 FC      jsr $fc58	;clear screen and show menu options
 00C724  1  A0 00         ldy #$00
 00C726  1               PrintString:
-00C726  1  B9 42 C7      lda Text,y
-00C729  1  F0 08         beq GetChar
+00C726  1  B9 5F C7      lda Text,y
+00C729  1  F0 08         beq WaitForRPi
 00C72B  1  09 80         ora #$80
 00C72D  1  20 ED FD      jsr $fded
 00C730  1  C8            iny
 00C731  1  D0 F3         bne PrintString
 00C733  1               
-00C733  1               GetChar:
-00C733  1  20 0C FD      jsr $fd0c
-00C736  1  38            sec	;subtract ascii "1" to get 0 - 3 from "1" to "4"
-00C737  1  E9 B1         sbc #$b1
-00C739  1  0A            asl	;put in top nibble as EPROM page
-00C73A  1  0A            asl
-00C73B  1  0A            asl
-00C73C  1  0A            asl
-00C73D  1  09 0F         ora #$0f ;set all flags high
-00C73F  1  4C 0E C7      jmp PageJump
-00C742  1               
-00C742  1               Text:
-00C742  1               
-00C742  1  41 70 70 6C  .byte	"Apple2-IO-RPi",$8d
-00C746  1  65 32 2D 49  
-00C74A  1  4F 2D 52 50  
-00C74E  1  69 8D        
-00C750  1  28 63 29 32  .byte	"(c)2020-2021 Terence J. Boldt",$8d
-00C754  1  30 32 30 2D  
-00C758  1  32 30 32 31  
-00C75C  1  20 54 65 72  
-00C760  1  65 6E 63 65  
-00C764  1  20 4A 2E 20  
-00C768  1  42 6F 6C 64  
-00C76C  1  74 8D        
-00C76E  1  8D           .byte   $8d
-00C76F  1  31 2E 20 42  .byte	"1. Boot",$8d
-00C773  1  6F 6F 74 8D  
-00C777  1  32 2E 20 43  .byte	"2. Command Line",$8d
-00C77B  1  6F 6D 6D 61  
-00C77F  1  6E 64 20 4C  
-00C783  1  69 6E 65 8D  
-00C787  1  33 2E 20 4C  .byte	"3. Load File",$8d
-00C78B  1  6F 61 64 20  
-00C78F  1  46 69 6C 65  
-00C793  1  8D           
-00C794  1  8D           .byte   $8d
-00C795  1  4D 61 79 20  .byte	"May take 45 seconds for RPi to start",$8d
-00C799  1  74 61 6B 65  
-00C79D  1  20 34 35 20  
-00C7A1  1  73 65 63 6F  
-00C7A5  1  6E 64 73 20  
-00C7A9  1  66 6F 72 20  
-00C7AD  1  52 50 69 20  
-00C7B1  1  74 6F 20 73  
-00C7B5  1  74 61 72 74  
-00C7B9  1  8D           
-00C7BA  1  61 66 74 65  .byte	"after intial power-on...",$00
-00C7BE  1  72 20 69 6E  
-00C7C2  1  74 69 61 6C  
-00C7C6  1  20 70 6F 77  
-00C7CA  1  65 72 2D 6F  
-00C7CE  1  6E 2E 2E 2E  
-00C7D2  1  00           
-00C7D3  1               
-00C7D3  1               end:
-00C7D3  1  60            rts
-00C7D4  1               
-00C7D4  1  00 00 00 00  .repeat	251-<end
-00C7D8  1  00 00 00 00  
-00C7DC  1  00 00 00 00  
-00C7E0  1  00 00 00 00  
-00C7E4  1  00 00 00 00  
-00C7E8  1  00 00 00 00  
-00C7EC  1  00 00 00 00  
-00C7F0  1  00 00 00 00  
-00C7F4  1  00 00 00 00  
-00C7F8  1  00 00 00 00  
+00C733  1               WaitForRPi:
+00C733  1  AD FB C0      lda InputFlags
+00C736  1  2A            rol
+00C737  1  B0 0D         bcs OK
+00C739  1  A9 FF         lda #$ff
+00C73B  1  20 A8 FC      jsr $fca8
+00C73E  1  A9 AE         lda #$ae
+00C740  1  20 ED FD      jsr $fded
+00C743  1  4C 33 C7      jmp WaitForRPi
+00C746  1               
+00C746  1               OK:
+00C746  1  A9 CF         lda #$cf
+00C748  1  20 ED FD      jsr $fded
+00C74B  1  A9 CB         lda #$cb
+00C74D  1  20 ED FD      jsr $fded
+00C750  1               
+00C750  1               GetChar:
+00C750  1  20 0C FD      jsr $fd0c
+00C753  1  38            sec	;subtract ascii "1" to get 0 - 3 from "1" to "4"
+00C754  1  E9 B1         sbc #$b1
+00C756  1  0A            asl	;put in top nibble as EPROM page
+00C757  1  0A            asl
+00C758  1  0A            asl
+00C759  1  0A            asl
+00C75A  1  09 0F         ora #$0f ;set all flags high
+00C75C  1  4C 0E C7      jmp PageJump
+00C75F  1               
+00C75F  1               Text:
+00C75F  1               
+00C75F  1  41 70 70 6C  .byte	"Apple2-IO-RPi",$8d
+00C763  1  65 32 2D 49  
+00C767  1  4F 2D 52 50  
+00C76B  1  69 8D        
+00C76D  1  28 63 29 32  .byte	"(c)2020-2021 Terence J. Boldt",$8d
+00C771  1  30 32 30 2D  
+00C775  1  32 30 32 31  
+00C779  1  20 54 65 72  
+00C77D  1  65 6E 63 65  
+00C781  1  20 4A 2E 20  
+00C785  1  42 6F 6C 64  
+00C789  1  74 8D        
+00C78B  1  8D           .byte   $8d
+00C78C  1  31 2E 20 42  .byte	"1. Boot",$8d
+00C790  1  6F 6F 74 8D  
+00C794  1  32 2E 20 43  .byte	"2. Command Line",$8d
+00C798  1  6F 6D 6D 61  
+00C79C  1  6E 64 20 4C  
+00C7A0  1  69 6E 65 8D  
+00C7A4  1  33 2E 20 4C  .byte	"3. Load File",$8d
+00C7A8  1  6F 61 64 20  
+00C7AC  1  46 69 6C 65  
+00C7B0  1  8D           
+00C7B1  1  8D           .byte   $8d
+00C7B2  1  4D 61 79 20  .byte	"May take 45 seconds for RPi to start",$8d
+00C7B6  1  74 61 6B 65  
+00C7BA  1  20 34 35 20  
+00C7BE  1  73 65 63 6F  
+00C7C2  1  6E 64 73 20  
+00C7C6  1  66 6F 72 20  
+00C7CA  1  52 50 69 20  
+00C7CE  1  74 6F 20 73  
+00C7D2  1  74 61 72 74  
+00C7D6  1  8D           
+00C7D7  1  61 66 74 65  .byte	"after intial power-on...",$00
+00C7DB  1  72 20 69 6E  
+00C7DF  1  74 69 61 6C  
+00C7E3  1  20 70 6F 77  
+00C7E7  1  65 72 2D 6F  
+00C7EB  1  6E 2E 2E 2E  
+00C7EF  1  00           
+00C7F0  1               
+00C7F0  1               end:
+00C7F0  1  60            rts
+00C7F1  1               
+00C7F1  1  00 00 00 00  .repeat	251-<end
+00C7F5  1  00 00 00 00  
+00C7F9  1  00 00 00     
 00C7FC  1               .byte 0
 00C7FC  1               .endrepeat
 00C7FC  1  00 00        .byte      0,0     ;0000 blocks = check status
diff --git a/RaspberryPi/Apple2-IO-RPi.hdv b/RaspberryPi/Apple2-IO-RPi.hdv
index 889f2bf..4c2144b 100755
Binary files a/RaspberryPi/Apple2-IO-RPi.hdv and b/RaspberryPi/Apple2-IO-RPi.hdv differ