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cc65/libsrc/runtime/axlong.s
cuz e3a8e6bbe4 Splitted the lconvert module into three smaller ones to allow for smaller
executables if not all functions are used.


git-svn-id: svn://svn.cc65.org/cc65/trunk@392 b7a2c559-68d2-44c3-8de9-860c34a00d81
2000-10-25 07:06:55 +00:00

27 lines
356 B
ArmAsm

;
; Ullrich von Bassewitz, 25.10.2000
;
; CC65 runtime: Convert int in ax into a long
;
.export axulong, axlong
.importzp sreg
; Convert AX from int to long in EAX
axulong:
ldy #0
sty sreg
sty sreg+1
rts
axlong: cpx #$80 ; Positive?
bcc axulong ; Yes, handle like unsigned type
ldy #$ff
sty sreg
sty sreg+1
rts