Dashing mimics and crystal books

2025-03-09 16:42:54 -05:00
parent bc966c0f99
commit 66e4e91beb
5 changed files with 90 additions and 1 deletions
--- a/crystalswitchbook.asm
+++ b/crystalswitchbook.asm
@@ -0,0 +1,52 @@
+pushpc
+
+org $87A46E
+JSL CheckBookTriggerSwitch
+BCS +
+skip 15
+
+
+org $8296A8
+JSL FinishPegChange
+
+pullpc
+
+FinishPegChange:
+	LDA.b #$20
+	TRB.w $037A
+
+	STZ.b $B0
+	STZ.b $11
+RTL
+
+CheckBookTriggerSwitch:
+	LDA.l CrystalSwitchBook
+	BEQ +
+
+	LDA.b $10
+	CMP.b #$07
+	BNE +
+
+	LDA.l $7EC172
+	EOR.b #$01
+	STA.l $7EC172
+
+	LDA.b #$16
+	STA.b $11
+
+	LDA.b #$20
+	TSB.w $037A
+
+	LDA.b #$25
+	JSL $8DBB8A
+
+	SEC
+	BRA .done
+
+	CLC
+.done
+	; what we wrote over
+	LDA.b $3A
+	AND.b #$BF
+	STA.b $3A
+RTL