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safer vector handling in some Kernal routines

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FeralChild64 committed 2020-07-14 23:13:17 +02:00
1 parent e349aa64f9
commit 26ce9d3b58
4 files changed
+34 -9
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src/kernal/interrupts/hw_entry_irq.s
+2 -2
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@@ -29,8 +29,8 @@ hw_entry_irq:
bne irq_handler_brk
// Not caused by BRK - call interrupt routine (only if initialised)
lda CINV
ora CINV+1
// Routine on zeropage = assuming not initialized
lda CINV+1
beq !+
jmp (CINV)
!: