.word PUT
.word STATUS
.word IOCTL
+ .word IRQ
;----------------------------------------------------------------------------
; I/O definitions
ACIA_STATUS = ACIA+1 ; Status register
ACIA_CMD = ACIA+2 ; Command register
ACIA_CTRL = ACIA+3 ; Control register
-ACIA_CLOCK = ACIA+7 ; Turbo232 external baud-rate generator
;----------------------------------------------------------------------------
;
ldx #>SER_ERR_INV_IOCTL
rts
+;----------------------------------------------------------------------------
+; IRQ: Not used on the C128
+;
+
+IRQ = $0000
+
;----------------------------------------------------------------------------
;
; NMI handler