# IsAlpha(r3:LONG)(LONG)

	.text
	.global	_IsAlpha

_IsAlpha:
	cmpwi	r3,"A"
	blt	.false
	cmpwi	r3,"Z"
	ble	.true
	cmpwi	r3,"a"
	blt	.false
	cmpwi	r3,"z"
	bgt	.false
.true:	li	r3,-1
	blr
.false:	li	r3,0
	blr

	.type	_IsAlpha,@function
	.size	_IsAlpha,$-_IsAlpha