;; #LAYOUT# M65 KERNAL_0 #TAKE ;; #LAYOUT# * * #IGNORE ; ; Routine to shutdown VIC-IV for leaving MEGA65 native mode ; viciv_shutdown: ; Switch VIC to VIC-IV mode, temporarily jsr viciv_unhide ; Reenable badlines and slow interrupt emulation lda #$03 sta MISC_EMU ; Set misc VIC-IV flags lda #%00000000 sta VIC_CTRLB ; disable extended resolution and attributes, disable 3.5 MHz mode jsr mega65_viciv_setctrl_AC ; enable C64 character set, initialize remaining CTRLA / CTRLC bits ; Reenable hot registers jsr viciv_hotregs_on ; Hide VIC-IV registers and quit sta VIC_KEY rts