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37 lines
696 B
ArmAsm
37 lines
696 B
ArmAsm
;
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; IRQ handling (Atari 7800 version)
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;
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.export initirq, doneirq, IRQStub
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.import __INTERRUPTOR_COUNT__, callirq
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.include "atari7800.inc"
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.code
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; ------------------------------------------------------------------------
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initirq:
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doneirq:
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rts
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; ------------------------------------------------------------------------
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IRQStub:
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cld ; Just to be sure
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pha
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lda #<(__INTERRUPTOR_COUNT__ * 2)
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beq @L1
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txa
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pha
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tya
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pha
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jsr callirq ; Call the functions
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pla
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tay
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pla
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tax
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@L1: pla
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rti
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