move debug code for testing IEC bus

c64/basic/cmd_unimplemented.s

@@ -82,4 +82,13 @@ cmd_go:
 	;; Undefined tokens
 cmd_unimplemented:
 
+	;; Dummy action while testing IEC support
+
+	;; Try to open an IEC file
+	jsr $ffc0
+	sta $0427
+	lda #$00
+	ror
+	sta $0426
+	
 	jmp do_NOT_IMPLEMENTED_error

c64/kernal/iec_wait_for_data_release.s

@@ -1,5 +1,6 @@
 iec_wait_for_data_release:
 	LDA $DD00
+	sta $0419
 	and #$40
 	beq iec_wait_for_data_release
 	rts

c64/kernal/open.s

@@ -21,7 +21,7 @@ open:
 	lda #$00
 	clc	
 
-open_error:	
+open_error:
 	;; Re-enable interrupts and return
 	;; (iec_tx_byte will have set/cleared C flag and put result code
 	;; in A if it was an error).

c64/kernal/reset_entry.s

@@ -30,7 +30,5 @@ reset_entry:
 	; What do we do when finished?  A C64 jumps into the BASIC ROM
 	cli 			; Allow interrupts to happen
 
-	jsr open
-	
 	; c64 prg p269
 	jmp ($a000)