Initial data commit

Task/String-matching/Z80-Assembly/string-matching-1.z80

@@ -0,0 +1,30 @@
+InString:
+	;input: hl = pointer to string 1
+	;		de = pointer to string 2
+	;		assumes len(hl) <= len(de)
+	;		output in BC
+	;clobbers: ix
+	push de
+	pop ix	;back up de into ix
+	ld bc,0	;our return value
+InString_again:
+	ld a,(hl)
+	or a
+	ret z
+	
+	ld a,(de)
+	or a
+	ret z
+	
+	cp (hl)
+	jr nz,InString_noMatch
+		inc de
+		jr InString_overhead
+	
+InString_noMatch:
+	push ix
+	pop de
+	inc bc
+InString_overhead:
+	inc hl
+	jr InString_again