;; #LAYOUT# STD *        #TAKE
;; #LAYOUT# *   KERNAL_0 #TAKE
;; #LAYOUT# *   *        #IGNORE


; Kernal status codes are described in 'Commodore 64 Programmers Reference Guide', page 292

kernalstatus_reset:
	lda #$00
	beq kernalstatus_end               ; branch always

; The following two statuses are currently not implemented - and most likely not really needed

; kernalstatus_TIMEOUT_WRITE:
;
;	lda IOSTATUS
;	ora #K_STS_TIMEOUT_WRITE
;	bne kernalstatus_end               ; branch always

; kernalstatus_TIMEOUT_READ:
;
;	lda IOSTATUS
;	ora #K_STS_TIMEOUT_READ
;	bne kernalstatus_end               ; branch always

kernalstatus_EOI:

	lda IOSTATUS
	ora #K_STS_EOI
	bne kernalstatus_end               ; branch always

kernalstatus_DEVICE_NOT_FOUND:

	lda IOSTATUS
	ora #K_STS_DEVICE_NOT_FOUND

	; FALLTROUGH

kernalstatus_end:

	sta IOSTATUS
	rts