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Removed the old stack checking routine

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git-svn-id: svn://svn.cc65.org/cc65/trunk@630 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz 2001-03-19 23:00:45 +00:00
parent 4c8f35ea97
commit 01ffedd363
2 changed files with 0 additions and 49 deletions
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1
libsrc/common/Makefile
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@ -91,7 +91,6 @@ S_OBJS = _fdesc.o \
rand.o \
setjmp.o \
sprintf.o \
stkcheck.o \
strcat.o \
strchr.o \
strcmp.o \

48
libsrc/common/stkcheck.s
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@ -1,48 +0,0 @@
;
; Ullrich von Bassewitz, 18.08.1998
;
; Stack checker
;
.export _stkcheck, __stksafety
.import pushax, exit
.import __hend
.importzp sp
.data
__stksafety:
.word 64 ;
.code
_stkcheck:
clc
lda __hend
adc __stksafety
tax ; Remember low byte
lda __hend+1
adc __stksafety+1
cmp sp+1
bcc Ok
bne L1
cpx sp
bcc Ok
; Stack overflow
L1: inc sp+1 ; Create 256 bytes of space
ldx #0
lda #4
jsr pushax
jmp exit
; All is well
Ok: rts