fixed interrupt vector regression, updated documentation

STATUS.md

@@ -26,8 +26,9 @@ The following ROM features are currently missing:
 * floating point routines
 * tape support
 * RS-232 support
-* warm start (RUN/STOP + RESTORE) - NMI/BRK handling is not implemented at all
+* NMI cartridge handling and BRK handling are not implemented yet
 * breaking Kernal routines with RUN/STOP key
+* PAL/NTSC is detected, but for now only startup banner uses the result
 
 Features currently being worked on:
 

c64/kernal/interrupts/irq_handler.s

@@ -20,7 +20,7 @@ irq_handler:
 	;; Call interrupt routine (only if initialised)
 	lda CINV
 	ora CINV+1
-	bne +
+	beq +
 	jmp (CINV)
 *
 	;; Vector not initialized - call default interrupt routine

c64/kernal/interrupts/nmi_handler.s

@@ -7,7 +7,7 @@ nmi_handler:
 	pha
 	lda NMINV
 	ora NMINV+1
-	bne +
+	beq +
 	pla
 	jmp (NMINV)
 *