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