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Added empty IRQ backend.

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The driver kernels all require IRQ handling even if the actual drivers don't make use of it. So in order to successfully link a NES program using the joystick and/or TGI driver there has to be at least a "dummy" IRQ backend.
This commit is contained in:
Oliver Schmidt 2015-07-22 11:36:39 +02:00
parent db16a8eb24
commit 673b27cc1b
1 changed files with 19 additions and 0 deletions
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19
libsrc/nes/irq.s Normal file
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;
; IRQ handling (NES version)
;
.export initirq, doneirq
; ------------------------------------------------------------------------
.segment "INIT"
initirq:
rts
; ------------------------------------------------------------------------
.code
doneirq:
rts