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Disable interrupts while modifying the signal table

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git-svn-id: svn://svn.cc65.org/cc65/trunk@3324 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz
2004-12-10 11:50:54 +00:00
parent 48a7d56619
commit 95f66b8ca9
1 changed files with 2 additions and 0 deletions
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2
libsrc/common/signal.s
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@@ -38,6 +38,7 @@ _signal:
asl a ; Prepare for word access asl a ; Prepare for word access
tax tax
sei ; Disable interrupts in case of async signals
lda sigtable,x lda sigtable,x
pha pha
lda ptr1 lda ptr1
@@ -46,6 +47,7 @@ _signal:
pha pha
lda ptr1+1 lda ptr1+1
sta sigtable+1,x sta sigtable+1,x
cli ; Reenable interrupts
; Get the old value from the stack and return it ; Get the old value from the stack and return it