Miscellaneous ASM Patches

[shygoo]

Share SM64 ASM patches here. If you'd like to include lengthy code in your posts please use [spoiler] tags. Armips code is preferred.

[Kaze]

Show Contentceiling invis walls fix

//walls on no trianlge grounded 80255B9C
//walls on invis wall grounded 80255c44
//251708 writes new values for speed and rotation
//8026B5F4

//80256b24 returns 2 for invis walls and 0 if its fine?
//802560ac stores 2 on sü+0x18 which gets returned above, modfy this?
//8025634C decides that v0 is dead
//80380E8C seems to move mario, somehow resets his pos if hes above a ceiling
//802563D8 actually moves mario


//80256278 needs to be changed to branch if its a false alarm

//(make ceilings push mario outwards)
.org 0x112a0
!test:
jal $29BF64 //adds RA by AC if no ceiling available
nop
lw t0, $0050 (SP)
mtc1 r0, f18
lwc1 f16, $004c (T0)
c.le.s f18, f16
nop
bc1f $11308
nop
swc1 f18, $004c (T0)

.org 0x56f64
!second:
lui t0, $8034
lw t1, $b1d4 (T0)
beq t1, r0, !yes
nop
lh t2, $0008 (T1)
sll t2, t2, $2 //only needed with extended boundaries?
mtc1 t2, f4
cvt.s.w f4, f4
lwc1 f14, $b1b0 (T0)

c.lt.s f4, f14
nop
bc1t !yes
nop
lui at, $4348
mtc1 at, f0
add.s f14, f14, f0
lh t2, $0006 (T1)
sll t2, t2, $2 //only needed with extended boundaries?
mtc1 t2, f4
cvt.s.w f4, f4
c.lt.s f14, f4
nop
bc1f !end
nop
//j $4

!yes:
addiu ra, ra, $00ac
jr ra
nop
!end:
lui t0, $8034
lw t1, $b1d4 (T0)
lui at, $4248
mtc1 at, f6
lwc1 f2, $001c (T1)
mul.s f2, f2, f6
lwc1 f4, $0024 (T1)
mul.s f4, f4, f6
lwc1 f0, $b1ac (T0)
add.s f0, f0, f2
swc1 f0, $b1ac (T0)

lwc1 f0, $b1b4 (T0)
add.s f0, f0, f4
swc1 f0, $b1b4 (T0)
//add some push here

!yesend:
jr ra
nop

.org 0x10c44
!grounded:
jal $29c030
addiu v0, r0, $0

.org 0x57030
!groundedwalls:

addiu ra, ra, $0000
jr ra
nop

---

Show Contentscale the game down/up (can be used to make giant levels without looking very off)

.org 0x861c0
!main:
addiu sp, sp, $ffe8
sw ra, $14 (SP)
lui t0, $8037
lui at, $3e00
mtc1 at, f6
lui t3, $3e80
mtc1 t3, f0
sw at, $fffc (T0)
lui t1, $800F
sw at, $0890 (T1)
div.s f10, f6, f0
lui at, $42c8
mtc1 at, f12
mul.s f12, f12, f10
cvt.w.s f12, f12
mfc1 t5, f12
sh t5, $0874 (T1)
lui t0, $8036
lw t0, $1158 (T0)
lui at, $4214
mtc1 at, f2
mul.s f2, f2, f10
swc1 f2, $01f8 (T0)
lui at, $4320
mtc1 at, f2
mul.s f2, f2, f10
swc1 f2, $01fc (T0)

!end:
lw ra, $14(SP)
jr ra
addiu sp, sp, $0018

.org 0x11b3c
!main2:
jal $2ca6d0

.org 0x11cb8
!main3:
nop
lw v0, $0018 (SP)
jal $2ca7d0


.org 0x10ea4
!main4:
nop
lw v0, $0028 (SP)
jal $2ca7d0

.org 0x10d90
!main5:
jal $2ca8d4


.org 0x856d0
!set:
sw r0, $0060 (t6)
lui t6, $8037
lwc1 f0, $fffc (T6)
lui at, $3e80
mtc1 at, f10
div.s f0, f0, f10
lwc1 f2, $0048 (A0)
swc1 f2, $fff0 (t6)
mul.s f2, f2, f0
swc1 f2, $0048 (A0)
lwc1 f4, $004c (A0)
swc1 f4, $fff4 (t6)
mul.s f4, f4, f0
swc1 f4, $004c (A0)
lwc1 f6, $0050 (A0)
swc1 f6, $fff8 (t6)
mul.s f6, f6, f0
swc1 f6, $0050 (A0)
jr ra
nop

.org 0x857d0
!set2:
lw a0, $0030 (SP)
lui t6, $8037
lwc1 f0, $fffc (T6)
lui at, $3e80
mtc1 at, f10
div.s f0, f10, f0
lwc1 f2, $0048 (A0)
swc1 f2, $fff0 (t6)
mul.s f2, f2, f0
swc1 f2, $0048 (A0)
lwc1 f4, $004c (A0)
swc1 f4, $fff4 (t6)
mul.s f4, f4, f0
swc1 f4, $004c (A0)
lwc1 f6, $0050 (A0)
swc1 f6, $fff8 (t6)
mul.s f6, f6, f0
swc1 f6, $0050 (A0)
jr ra
nop


.org 0x858d4
!set:
sw a0, $0030 (SP)
lui t6, $8037
lwc1 f0, $fffc (T6)
lui at, $3e80
mtc1 at, f10
div.s f0, f0, f10
lwc1 f2, $0048 (A0)
swc1 f2, $fff0 (t6)
mul.s f2, f2, f0
swc1 f2, $0048 (A0)
lwc1 f4, $004c (A0)
swc1 f4, $fff4 (t6)
mul.s f4, f4, f0
swc1 f4, $004c (A0)
lwc1 f6, $0050 (A0)
swc1 f6, $fff8 (t6)
mul.s f6, f6, f0
jr ra
swc1 f6, $0050 (A0)

.org 0x44384
!movecamtoriginal:
jal $2ca820

.org 0x44394
!movecamtonew:
jal $2ca720


.org 0x85820
!main17:
lui t6, $8037
lwc1 f0, $fffc (T6)
lui at, $3e80
mtc1 at, f10
div.s f0, f10, f0
addiu a1, r0, $0003
lui t0, $8034
!loop1:
lwc1 f2, $c6a4 (t0)
lwc1 f12, $b1ac (T0)
sub.s f2, f2, f12
mul.s f2, f2, f0
add.s f2, f2, f12
swc1 f2, $c6a4 (T0)
addiu a1, a1, $ffff
bne a1, r0, !loop1
addiu t0, t0, $4
lw a1, $001c (SP)
jr ra
lw a0, $0018 (SP)

.org 0x85720
!main18:
lw a0, $0018 (SP)
lui t6, $8037
lwc1 f0, $fffc (T6)
lui at, $3e80
mtc1 at, f10
div.s f0, f0, f10
addiu a1, r0, $0003
lui t0, $8034
!loop2:
lwc1 f2, $c6a4 (t0)
lwc1 f12, $b1ac (T0)
sub.s f2, f2, f12
mul.s f2, f2, f0
add.s f2, f2, f12
swc1 f2, $c6a4 (T0)
addiu a1, a1, $ffff
bne a1, r0, !loop2
addiu t0, t0, $4
addiu ra, ra, $000c
jr ra
nop

.org 0x1199c
!assf:
jal $2ca790
lui at, $4080

.org 0x1194c
!assfss:
jal $2ca790
lui at, $4080


.org 0x85790
!main19:
addiu sp, sp, $fffc
sw t0, $0000 (SP)
lui t0, $8037
lwc1 f0, $fffc (T0)
lui t0, $3e80
mtc1 t0, f10
div.s f0, f0, f10
mtc1 at, f6
mul.s f6, f6, f0
mtc1 at, f8
mul.s f8, f8, f0
mtc1 at, f10
mul.s f10, f10, f0
lw t0, $0000 (SP)
jr ra
addiu sp, sp, $0004


.org 0x11914
!assfss:
jal $2ca790
lui at, $4000

.org 0x11844
!assfss:
jal $2ca790
lui at, $4080

.org 0x1170c
!assfss:
jal $2ca790
lui at, $4000

.org 0x11688
!assfss:
jal $2ca790
lui at, $3f80

.org 0xf320
!safiuasbufiui:
jal $2ca86c


.org 0x8586c
!safiuasuif:
lui t0, $8034
lwc1 f2, $c528 (T0)
lui at, $3e80
mtc1 at, f14
lui t1, $8037
lwc1 f4, $fffc (T1)
sub.s f14, f14, f4
lui at, $c3c0
mtc1 at, f6
mul.s f14, f14, f6
add.s f2, f2, f14
jr ra
swc1 f2, $c528 (T0)

.org 0xf2bc
!safuiasbfzu:
jal $2ca8a0
sw a0, $0018 (SP)
lw t7, $000c (a0)
lw t8, $0098 (a0)
sw t7, $0000 (T8)

.org 0x858a0
!asfuaszuf:
lui t0, $8034
lwc1 f2, $c528 (T0)
lui at, $3e80
mtc1 at, f14
lui t1, $8037
lwc1 f4, $fffc (T1)
sub.s f14, f14, f4
lui at, $43c0
mtc1 at, f6
mul.s f14, f14, f6
add.s f2, f2, f14
jr ra
swc1 f2, $c528 (T0)

[bacon_consumes_all]

I made the checkpoints into star coins. There are a bunch of NOPs at the end because Nintendo sucks at optimizing.

Show Contentwenis

//only 3 checkpoints to spawn star
.orga 0xAE0CC
ADDIU T0, R0, 0x03 // hiddenstarinit

.orga 0xAE12C
ADDIU AT, R0, 0x03 // hiddenstarloop

.orga 0xAE214
ORI AT, R0, 0x03 // checkpointloop

.orga 0xAE1C8
OR A1, A0, R0 // this line really bothered me

//re-do playsound
.orga 0xAE240
LUI A0, 0x700E ; wrong answer sound, change in the sound tool
JAL 0x2CA144
ORI A0, A0, 0x8081

//add 3 to coin count
LUI T4, 0x8034
LH T5, 0xB262(T4)
ADDIU T6, T5, 0x03
SH T6, 0xB262(T4)
LUI T5, 0x8036
LW T5, 0x1160 (T5)
SH R0, 0x74 (T5)
LW RA, 0x14 (SP)
JR RA
ADDIU SP, SP, 0x20
NOP
NOP
NOP
NOP
NOP

//behavior
.orga 0x21DD1C
.dw 0x00060000
.dw 0x11010001
.dw 0x23000000, 0x00640064
.dw 0x10050000
.dw 0x08000000
.dw 0x0F130800
.dw 0x0C000000, 0x802F31BC
.dw 0x09000000

[Eddio 0141]

code hook thing for armips

Show Contentfor compressed ROM (8mb one)

Code:

.headersize 0x80245000

; replaces segment 02 loader with code loader
.orga 0x3ac0
lui a0, 0x8037; copy to ram (80370000 [8703 line of codes free or 34812 bytes])
addiu a0, a0, 0x0000
lui t0, 0x007c ; rom address copy from (0x7cc6c0 for this)
ori a1, t0, 0xc6c0
jal 0x80278504
ori a2, t0, 0xc700 ; rom addresss copy to
jal execmycodeonce
nop

.orga 0x15F4
jal execeveryframe
nop

.headersize 0x7FBA3940

.orga 0x7cc6c0
execmycodeonce:
ADDIU SP, SP, 0xFFE8
SW RA, 0x14(SP)
lui t0, 0x0011; seg02 loader (NEED THIS OR GAME WON'T WORK)
addiu a1, t0, 0x8a40
addiu a2, t0, 0x4750
jal 0x802787d8
addiu a0, r0, 0x0002
; your code here that runs once at start up
LW RA, 0x14(SP)
JR RA
ADDIU SP, SP, 0x18


execeveryframe:
ADDIU SP, SP, 0xFFE4
SW RA, 0x14(SP)
; your code that runs everyframe here
lui t6, 0x8033; do not delete this
lw t6, 0xd568(t6); do not delete this as well
LW RA, 0x14(SP)
JR RA
ADDIU SP, SP, 0x1c

Show Contentfor extended rom (uncompressed)

Code:

.headersize 0x80245000

; replaces segment 02 loader with code loader
.orga 0x3ac0
lui a0, 0x8037; copy to ram (80370000 [8703 line of codes free or 34812 bytes])
addiu a0, a0, 0x0000
lui t0, 0x007c ; rom address copy from (0x7cc6c0 for this)
ori a1, t0, 0xc6c0
jal 0x80278504
ori a2, t0, 0xc700 ; rom addresss copy to
jal execmycodeonce
nop

.orga 0x15F4
jal execeveryframe
nop

.headersize 0x7FBA3940

.orga 0x7cc6c0
execmycodeonce:
ADDIU SP, SP, 0xFFE8
SW RA, 0x14(SP)
lui a1, 0x0080; seg02 loader (NEED THIS OR GAME WON'T WORK)
lui a2, 0x0082
ori a2, a2, 0xbb64
jal 0x802787d8
addiu a0, r0, 0x0002
; your code here that runs once at start up
LW RA, 0x14(SP)
JR RA
ADDIU SP, SP, 0x18


execeveryframe:
ADDIU SP, SP, 0xFFE4
SW RA, 0x14(SP)
; your code that runs everyframe here
lui t6, 0x8033; do not delete this
lw t6, 0xd568(t6); do not delete this as well
LW RA, 0x14(SP)
JR RA
ADDIU SP, SP, 0x1c

[David]

Show ContentAlways have "Exit Course" option available in the pause menu

Code:

// Modify part of function 0x802DCA88 to allow the "Exit course" option to always be avaliable in pause menu, no matter what action Mario is currently doing.
.orga 0x97B60
.fill 4*6, 0 // Replace 6 asm instructions with NOPs.

[Eddio 0141]

plays music when Mario has 0 HP for armips

it stores a byte in 0x80373e80 but you can look at the code and change the location

Show Contentrun this once at start up

Code:

lui s5, 0x8037
sb r0, 0x3e80(s5)
lui s5, 0x8034
ori s6, r0, 0x0008
sb s6, 0xb21e(s5)

Show Contentrun this every frame

Code:

ADDIU SP, SP, 0xFFE4
SW RA, 0x14(SP)
lui s5, 0x8037
lb s3, 0x3e80(s5)
lui s4, 0x8034
lb s4, 0xb21e(s4)
bnez s4, @@hpnotzero
nop
bnez s3, @@afterthatstuff
nop
add a0, r0, r0
addiu a2, r0, 0x0009
sb a2, 0x3e80(s5)
jal 0x80320544
addiu a1, r0, 0x0009
b @@afterthatstuff
nop
@@hpnotzero:
sb r0, 0x3e80(s5)
@@afterthatstuff:
lui t6, 0x8033
lw t6, 0xd568(t6)
LW RA, 0x14(SP)
JR RA
ADDIU SP, SP, 0x1c

[simer]

I converted a couple of Kaze's patches to armips earlier and thought they might be useful to others. I also fixed his collision optimization patch so that it doesn't rely on extended boundaries.

• Elevator momentum fix
  
• Invisible walls fix
  
• Collision optimization
  

Other conversions may be added here later.

[Kaze]

disable hardcoded camera positions (apart from the level specific camera setting and the geo layout camera thing)


3baa0: beq r0, r0, ... this fixes the camera in DDD area 2.
3c2dc: beq r0, r0, ... this fixes hardcoded cam in area 2 in SSL
3b6c8: BEQ R0, R0, $0003B7EC fixes cam in BoB, WDW and THI
3d2bc: BEQ R0, R0, $0003D344 fixes cam in BBH, Inside castle and RR
3d9ac: BEQ R0, R0, $0003D9F8 fixes cam in BoB and WF
3e250: beq r0, r0, ... fixes cam in WDW
3e29c: beq r0, r0, $003E320 fixes cam in THI
3f800: BEQ R0, R0, $0003F81C fixes cam in SSL
3f874: BEQ R0, R0, $0003F8A4 fixes cam in SSL and Inside castle
3fc50: BEQ R0, R0, $0003FC94
42720: BEQ R0, R0, $0004284C foxes cam in CCM, SSL, SML, THI and TTM
46540: BEQ R0, R0, $00046644 fixes cam in ssl, ttc and lll
47328:BEQ R0, R0, $000473E0 fixes cam in BBH and inside castle
488a4: BEQ R0, R0, $00048910 fixes cam in inside castle and secret aquarium
4a218: BEQ R0, R0, $0004A5FC fixes cam in WDW, THI, TTC, DDD, WF, BBH, SSL, BoB
52c74: BEQ R0, R0, $00053024 fixes cam in LLL, DDD, WF, metal cap, TTM, CCM, aquarium

[Eddio 0141]

here i've revisited my code hooker and changed it into something much more better

Show Contentcode

Code:

.headersize 0x80245000

.orga 0x396c; here it hooks code copy to ram
lui a0, 0x8036
ori a0, a0, 0x7500; 0x7cc6c0 - end of all codes into 0x80367500
lui t0, 0x7c
ori a1, t0, 0xc6c0
ori a2, t0, endcopy
jal 0x80278504
nop
jal execonce
nop

.orga 0x15f4
jal execeveryframe
nop

.headersize 0x7fb9ae40

.orga 0x7cc6c0
execonce:
addiu sp, sp, 0xffec
sw a0, 0x4(sp)
sw a1, 0x8(sp)
sw ra, 0xc(sp)

; executes once here (don't delete stuff around here unless you 100% know what you doing here)

lw a0, 0x4(sp)
lw a1, 0x8(sp)
or a0, r0, r0
jal 0x80277ee0
lui a1, 0x8000
lui a0, 0x8034
lui a1, 0x8034
addiu a1, a1, 0xb044
addiu a0, a0, 0xb028
jal 0x803225a0
addiu a2, r0, 0x1
lw ra, 0xc(sp)
jr ra
addiu sp, sp, 0x14

execeveryframe:
add s7, r0, ra

; your code that runs every frame (don't use s7 because it has return address but you can modify if you know what you doing)

lui t6, 0x8033
add ra, r0, s7
jr ra
lw t6, 0xd568(t6)

codeend:
.definelabel endcopy, (codeend - 0x7fb9ae40) - 0x7c0000

[shygoo]

Here's a patch for testing the setsound function
https://github.com/shygoo/misc/blob/mast...ndtest.asm

Code:

DPAD left, right -> select digit
DPAD up, down    -> edit digit
L                -> play sound
R -> toggle setsound/setmusic testing

Edit: updated to include music testing

[Super Watermelon 64]

I made the checkpoints into star coins. There are a bunch of NOPs at the end because Nintendo sucks at optimizing.

Show Contentwenis

//only 3 checkpoints to spawn star
.orga 0xAE0CC
ADDIU T0, R0, 0x03 // hiddenstarinit

.orga 0xAE12C
ADDIU AT, R0, 0x03 // hiddenstarloop

.orga 0xAE214
ORI AT, R0, 0x03 // checkpointloop

.orga 0xAE1C8
OR A1, A0, R0 // this line really bothered me

//re-do playsound
.orga 0xAE240
LUI A0, 0x700E ; wrong answer sound, change in the sound tool
JAL 0x2CA144
ORI A0, A0, 0x8081

//add 3 to coin count
LUI T4, 0x8034
LH T5, 0xB262(T4)
ADDIU T6, T5, 0x03
SH T6, 0xB262(T4)
LUI T5, 0x8036
LW T5, 0x1160 (T5)
SH R0, 0x74 (T5)
LW RA, 0x14 (SP)
JR RA
ADDIU SP, SP, 0x20
NOP
NOP
NOP
NOP
NOP

//behavior
.orga 0x21DD1C
.dw 0x00060000
.dw 0x11010001
.dw 0x23000000, 0x00640064
.dw 0x10050000
.dw 0x08000000
.dw 0x0F130800
.dw 0x0C000000, 0x802F31BC
.dw 0x09000000

Could you please make this into a .pff file?

[Miles]

I made the checkpoints into star coins. There are a bunch of NOPs at the end because Nintendo sucks at optimizing.

Show Contentwenis

//only 3 checkpoints to spawn star
.orga 0xAE0CC
ADDIU T0, R0, 0x03 // hiddenstarinit

.orga 0xAE12C
ADDIU AT, R0, 0x03 // hiddenstarloop

.orga 0xAE214
ORI AT, R0, 0x03 // checkpointloop

.orga 0xAE1C8
OR A1, A0, R0 // this line really bothered me

//re-do playsound
.orga 0xAE240
LUI A0, 0x700E ; wrong answer sound, change in the sound tool
JAL 0x2CA144
ORI A0, A0, 0x8081

//add 3 to coin count
LUI T4, 0x8034
LH T5, 0xB262(T4)
ADDIU T6, T5, 0x03
SH T6, 0xB262(T4)
LUI T5, 0x8036
LW T5, 0x1160 (T5)
SH R0, 0x74 (T5)
LW RA, 0x14 (SP)
JR RA
ADDIU SP, SP, 0x20
NOP
NOP
NOP
NOP
NOP

//behavior
.orga 0x21DD1C
.dw 0x00060000
.dw 0x11010001
.dw 0x23000000, 0x00640064
.dw 0x10050000
.dw 0x08000000
.dw 0x0F130800
.dw 0x0C000000, 0x802F31BC
.dw 0x09000000

Could you please make this into a .pff file?

1. It's called .ppf, not .pff
2. You can easily assemble this code with Armips GUI, you can find it here: https://github.com/DavidSM64/SimpleArmipsGui/releases 
All you have to do is load the rom and code, and press assemble.

[David]

Code:

// Increases max draw distance by making the far value from the geo layout 0xA command an unsigned value.  
// The max value you can use is 0xFF9C, since a higher value seems to create a weird visual glitch on console.

.orga 0x36D2C // RAM address 0x8027BD2C
lhu t1, 0x22(t7)

I've also included a tweak version of this patch as an attachment to this post.

[Kaze]

81287aa4 1000 - freeze cam in pause screen

---

fix donut platforms:
313468, 313480, - nop
313570 - beq r0, r0

---

grap steep ledges
.orga 0x1A758
B 0x1A770

[jesusyoshi54]

activate the yellow cap switch + have functional yellow box.

you'll have to import a different display list to the geo layout to have it be a different color

I changed it to use the moat draining eeprom byte as the save flag for it so pressing the switch will drain the moat in a vanilla rom

[jesusyoshi54]

Code:

811765b8 0c09
811765ba ea2c
811765bc 0000
811765be 0000
8127a8b0 27bd
8127a8b2 ffe8
8127a8b4 afbf
8127a8b6 0014
8127a8b8 3c08
8127a8ba 8034
8127a8bc 850a
8127a8be afa0
8127a8c0 8519
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gs code that allows you to preview any music track in file select or the demo screen. A to go up a track, B to go down a track. L to play the music. Sound will die if you switch between two tracks that the game doesn't like
asm version attached

[jesusyoshi54]

fixes slopes, see video

https://www.youtube.com/watch?v=NbO67Mq7fTU

edit: original version only worked without ext boundaries, I have since made a new version for ext boundaries but I am not sure that all editor/rom manager versions use the same offset, so if it doesn't work you will have to go into your rom with debugger and look around 80381710 in ram. You will want to set the offset for the second .orga in the ext boundaries to match the line after the two add.s commands that appear in a row.

[jesusyoshi54]

Not really an asm patch but I made a set tile encoder. Here is the html.