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slightlyy safer interrupts, they disable BCD mode now

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FeralChild64 committed 2019-09-13 23:04:45 +02:00
1 parent 8fce9681be
commit 2dbb696628
2 files changed
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c64/kernal/interrupts/irq_handler.s
+2
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@@ -15,6 +15,8 @@ irq_handler:
tya tya
pha pha
cld // clear decimal flag, to prevent possible problems
// Check if caused by BRK // Check if caused by BRK
tsx tsx
lda $0104, x // get the pre-interrupt processor state lda $0104, x // get the pre-interrupt processor state
c64/kernal/interrupts/nmi_handler.s
+1
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@@ -2,6 +2,7 @@
nmi_handler: nmi_handler:
sei // don't allow IRQ to interfere, see https://www.c64-wiki.com/wiki/Interrupt sei // don't allow IRQ to interfere, see https://www.c64-wiki.com/wiki/Interrupt
cld // clear decimal flag, to prevent possible problems
// Call interrupt routine (only if initialised) // Call interrupt routine (only if initialised)
pha pha