1 files changed, 32 insertions, 0 deletions
diff --git a/home/tables.asm b/home/tables.asm
new file mode 100755
index 0000000..6831d10
--- /dev/null
+++ b/home/tables.asm
@@ -0,0 +1,32 @@
+INCLUDE "constants.asm"
+	
+SECTION "FindItemInTable", ROM0[$35F8]
+
+; Inputs:
+; hl = start of table to check
+; de = row size
+; a = item to search for
+; Outputs:
+; carry = item found
+; b = row index of item
+FindItemInTable: ; 00:35F8
+	ld b, 0
+	ld c, a
+	
+.nextItem
+	ld a, [hl] ; load the next item
+	cp $FF ; is the list finished?
+	jr z, .fail ; if so, then fail
+	cp c ; does this item match?
+	jr z, .success ; if so, then set the carry flag
+	inc b ; increase the row index count
+	add hl, de ; move the next row
+	jr .nextItem ; check the next item
+	
+.fail
+	and a ; unset the carry flag to indicate failure
+	ret
+	
+.success
+	scf ; set the carry flag to indicate success
+	ret
+\ No newline at end of file