Add irq_set_status

irq_set_status can be used to clear the irq status bit so that the interrupt will stop occuring.
2022-03-14 13:34:33 -05:00
parent a5474b5ae5
commit f5dbe46060
3 changed files with 7 additions and 1 deletions
--- a/sw/interrupt.s
+++ b/sw/interrupt.s
@@ -9,7 +9,7 @@
 .import   _handle_irq

 .export   _irq_int, _nmi_int
-.export   _irq_get_status
+.export   _irq_get_status, _irq_set_status

 .include "io.inc65"

@@ -51,4 +51,8 @@ break:     JMP break              ; If BRK is detected, something very bad
 _irq_get_status:
           lda IRQ_STATUS
           ldx #$00
+           rts
+
+_irq_set_status:
+           sta IRQ_STATUS
           rts