diff --git a/AppleIISd.bin b/AppleIISd.bin
index d002111..4915b73 100644
Binary files a/AppleIISd.bin and b/AppleIISd.bin differ
diff --git a/AppleIISd.hex b/AppleIISd.hex
index 2483e72..7a7df4c 100644
--- a/AppleIISd.hex
+++ b/AppleIISd.hex
@@ -3,26 +3,26 @@
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diff --git a/src/AppleIISd.s b/src/AppleIISd.s
index 956279e..3b85323 100644
--- a/src/AppleIISd.s
+++ b/src/AppleIISd.s
@@ -54,7 +54,6 @@
             LDX   #$00
             LDX   #$03
             LDX   #$00        ; is Smartport controller
-;            LDX   #$3C
 
             SEI               ; find slot
             LDA   #$60        ; opcode for RTS
diff --git a/src/Helper.s b/src/Helper.s
index e250e78..0f659e2 100644
--- a/src/Helper.s
+++ b/src/Helper.s
@@ -55,8 +55,7 @@ GETR1:      LDA   #DUMMY
 @WAIT:      BIT   CTRL,X
             BPL   @WAIT
             LDA   DATA,X      ; get response
-            BIT   #$80
-            BNE   GETR1       ; wait for MSB=0
+            BMI   GETR1       ; wait for MSB=0
             PHA
             LDA   #DUMMY
             STA   DATA,X      ; send another dummy
diff --git a/src/ProDOS.s b/src/ProDOS.s
index 7c7017f..8d5c6f4 100644
--- a/src/ProDOS.s
+++ b/src/ProDOS.s
@@ -73,7 +73,7 @@ PRODOS:     LDA   DCMD        ; get command
 ;
 ;*******************************
 
-STATUS:     LDA   NO_ERR      ; no error
+STATUS:     LDA   #NO_ERR     ; Thanks for this one, Antoine!
             JSR   WRPROT
             BCC   @DONE
             LDA   #ERR_NOWRITE; card write protected