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Improved longjmp() and setjmp().

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Greg King
2015-09-11 14:18:22 -04:00
parent fa0709a618
commit dbf0adcec9
2 changed files with 11 additions and 13 deletions
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10
libsrc/common/longjmp.s
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@@ -1,7 +1,8 @@
;
; Ullrich von Bassewitz, 06.06.1998
; 1998-06-06, Ullrich von Bassewitz
; 2015-09-11, Greg King
;
; void longjmp (jmp_buf buf, int retval);
; void __fastcall__ longjmp (jmp_buf buf, int retval);
;
.export _longjmp
@@ -13,8 +14,8 @@ _longjmp:
stx ptr2+1
ora ptr2+1 ; Check for 0
bne @L1
lda #1 ; 0 is illegal according to the standard...
sta ptr2 ; ... and must be replaced by 1
inc ptr2 ; 0 is illegal, according to the standard ...
; ... and, must be replaced by 1
@L1: jsr popax ; get buf
sta ptr1
stx ptr1+1
@@ -49,4 +50,3 @@ _longjmp:
lda ptr2
ldx ptr2+1
rts