.export _init, _nmi_int, _irq_int .autoimport .import _init_interrupt_controller .import _init_rtc .zeropage finish: .res 1 .code _nmi_int: _irq_int: lda #$6d sta $00 _init: ldx #$ff txs LDA #<(__STACKSTART__ + __STACKSIZE__) STA sp LDA #>(__STACKSTART__ + __STACKSIZE__) STA sp+1 jsr _init_interrupt_controller jsr _init_rtc ; enable interrupt 0 lda #$00 jsr pusha lda #$0 jsr _enable_irq cli @end: bra @end