FixedShieldPowerUps.mlua

--[Patch]--
Title("Fixed Shield Power Ups")
Author("Chara")
Platform("Xbox 360")
Blurb("Fixes the shields not producing invincibility frames upon taking damage and restores the sound effect for the power up.")

--[Functions]--
DecryptExecutable()

--Invincibility frames
--Jump to custom code
WriteVirtualBytes(0x8220CE20|"4B F9 3E 89")
WriteVirtualBytes(0x8220CEF0|"4B F9 3D B9")

--Custom code
--stb   r29, 0x104(r11)
--lwz   r11, 8(r30)
--addi  r10, r11, 0xb0
--addi  r11, r11, 0x1c0
--lfs   f13, 0(r10)
--lfs   f0, 0(r11)
--fcmpu cr6, f13, f0
--blt   cr6, 0x24
--mr    r11, r10
--bl    0x6c124
--blr   
WriteVirtualBytes(0x821A0CA8|"9B AB 01 04 81 7E 00 08 39 4B 00 B0 39 6B 01 C0 C1 AA 00 00 C0 0B 00 00 FF 0D 00 00 41 98 00 08 7D 4B 53 78 48 06 C1 01 4E 80 00 20")

--Sound effect (prevents mainmenu for jumping to ranking code)
WriteVirtualBytes(0x824F2B10|"4E 80 00 20")
WriteVirtualBytes(0x82506D04|"41 9A 00 40")

--Jump to custom code
WriteVirtualBytes(0x8216CB48|"48 38 63 49")

--Custom code
--cmpwi cr6, r11, 8
--beq   cr6, 0x10
--addi  r11, r11, 0xfffb
--bl    0xffffffffffc79cbc
--mulli r11, r29, 0x4c
--add   r11, r11, r31
--mr    r3, r31
--lwz   r10, 0xe50(r11)
--addi  r10, r10, 0xc8
--stw   r10, 0xe50(r11)
--b     0x30
--nop   
--mflr  r12
--stw   r12, -8(r1)
--std   r31, -0x10(r1)
--stwu  r1, -0x70(r1)
--lis   r11, 0x8201
--mr    r31, r3
--addi  r6, r11, 0xdd94
--lis   r11, 0x8200
--mr    r4, r31
--addi  r5, r11, 0x11dc
--addi  r3, r1, 0x50
--bl    0xffffffffffc785fc
WriteVirtualBytes(0x824F2E90|"2F 0B 00 08 41 9A 00 0C 39 6B FF FB 4B C7 9C B1 1D 7D 00 4C 7D 6B FA 14 7F E3 FB 78 81 4B 0E 50 39 4A 00 C8 91 4B 0E 50 48 00 00 08 60 00 00 00 7D 88 02 A6 91 81 FF F8 FB E1 FF F0 94 21 FF 90 3D 60 82 01 7C 7F 1B 78 38 CB DD 94 3D 60 82 00 7F E4 FB 78 38 AB 11 DC 38 61 00 50 4B C7 85 A1")