Shuffle in-room stairs

2021-01-30 00:35:41 +01:00
parent c411f5543c
commit 43b0f95877
21 changed files with 368 additions and 64 deletions
--- a/asm/scroll.asm
+++ b/asm/scroll.asm
@@ -203,4 +203,18 @@ ApplyScroll:
    .end
    sta $00e2, y
    sta $00e0, y
-    stz $ab : sep #$30 : rts
+    stz $ab : sep #$30 : rts
+
+QuadrantLoadOrderBeforeScroll:
+    lda $045f : beq .end
+    lda #$08 : sta $045c ; start with opposite quadrant row
+    .end
+    jsl $0091c4 ; what we overwrote
+    rtl
+
+QuadrantLoadOrderAfterScroll:
+    lda $045f : beq .end
+    stz $045c : stz $045f ; draw other row and clear flag
+    .end
+    jsl $0091c4 ; what we overwrote
+    rtl