// #LAYOUT# STD *        #TAKE
// #LAYOUT# *   KERNAL_0 #TAKE
// #LAYOUT# *   *        #IGNORE


hw_entry_nmi:

	sei                      // do not allow IRQ to interfere, see https://www.c64-wiki.com/wiki/Interrupt

#if CONFIG_CPU_MOS_6502 && CONFIG_BCD_SAFE_INTERRUPTS
	cld                      // clear decimal flag to allow using it without disabling interrupts
#endif

	// Call interrupt routine (only if initialised)
	pha
	lda NMINV+1              // consider zeropage NMI address as uninitialized vector
	beq !+                   // this allows safer interrupt vector modifications 
	pla
	jmp (NMINV)
!:
	// Vector not initialized - call default interrupt routine
	pla
	jmp default_nmi_handler