From af7bd19c793b8d09360d94b43a5bc1980d1313f1 Mon Sep 17 00:00:00 2001
From: scawful <justin.scofield@outlook.com>
Date: Thu, 6 Jun 2024 22:03:03 -0400
Subject: [PATCH] Add ApplyKydreeokGraphics

---
 Sprites/Bosses/kydreeok.asm | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/Sprites/Bosses/kydreeok.asm b/Sprites/Bosses/kydreeok.asm
index a8ee9ee..af04085 100644
--- a/Sprites/Bosses/kydreeok.asm
+++ b/Sprites/Bosses/kydreeok.asm
@@ -642,3 +642,25 @@ Sprite_Kydreeok_Draw:
     db $02, $02, $02, $02, $02, $02, $02, $02, $02, $02
     db $02, $02, $02, $02, $02, $02, $02, $02, $02, $02
 }
+
+ApplyKydreeokGraphics:
+{
+    PHX 
+    REP #$20               ; A = 16, XY = 8
+    LDX #$80 : STX $2100   ; turn the screen off (required)
+    LDX #$80 : STX $2115   ; Set the video port register every time we write it increase by 1
+    LDA #$5000 : STA $2116 ; Destination of the DMA $5800 in vram <- this need to be divided by 2
+    LDA #$1801 : STA $4300 ; DMA Transfer Mode and destination register 
+                           ; "001 => 2 registers write once (2 bytes: p, p+1)"
+    LDA.w #KydreeokGraphics : STA $4302     ; Source address where you want gfx from ROM
+    LDX.b #KydreeokGraphics>>16 : STX $4304
+    LDA   #$2000 : STA $4305                ; Size of the transfer 4 sheets of $800 each
+    LDX   #$01 : STX $420B                  ; Do the DMA 
+    LDX #$0F : STX $2100                    ; Turn the screen back on
+    SEP #$30
+    PLX
+    RTS
+
+  KydreeokGraphics:
+    incbin kydreeok.bin
+}