set carry before subtract in floor

zohassadar · web-flow · commit 3be82a6d70e9 · 2025-01-03T19:11:39.000Z
This subtract is currently relying on the carry being set by the cmp that occurs before branching
diff --git a/src/modes/floor.asm b/src/modes/floor.asm
@@ -4,6 +4,7 @@ drawFloor:
         ; get correct offset
         sta tmp1
         lda #$D
+        sec
         sbc tmp1
         tax
         ; x10
