;; #LAYOUT# STD * #TAKE ;; #LAYOUT# * KERNAL_0 #TAKE ;; #LAYOUT# * * #IGNORE ; ; JiffyDOS transfer preparation routine ; !ifdef CONFIG_IEC_JIFFYDOS { jiffydos_prepare: jsr jiffydos_preserve_bits ; FALLTROUGH jiffydos_prepare_no_preserve_bits: ; Hide sprites; JiffyDOS timing regime is very strict, before transmitting ; anything we need to make sure nothing will steal the cycles lda VIC_SPENA ldx #$00 stx VIC_SPENA rts }