opt at-,w-,c+,m-

SECTION ASM

INCLUDE SPEC_PSX/GLOBAL.INC

XDEF GetBestFrame, GetLaraJointPos, GetFrames, S_SetupClutAdder, GetBoundsAccurate, snaff_current_gte_matrix_V1, DEL_CalcLaraMatrices_Normal_ASM, DEL_CalcLaraMatrices_Interpolated_ASM

XREF GetFloor, room, anims, LaraNodeUnderwater, LaraNodeAmbient, interpolated_bounds, lara_item, rcossin_tbl, GLaraShadowframe, lara_joint_matrices, lara_matrices, ScaleCurrentMatrix, Matrix, lara, items, MatrixStack

.firearms_jumptable:

dw loc_8469C

dw loc_847A4

dw loc_84870

dw loc_847A4

dw loc_849E4

dw loc_849E4

dw loc_849E4

dw loc_8469C

dw loc_8469C

jpt_83E58 dw loc_83E60

case1 dw loc_83F5C

case2 dw loc_840B0

case3 dw loc_83F5C

case4 dw loc_84204

case5 dw loc_84204

case6 dw loc_84204

case7 dw loc_83E60

case8 dw loc_83E60

InterpolateArmMatrix:

lw v1, 0xBC(t8)

lw t7, 0xB8(t8)

cfc2 t0, r13

cfc2 t2, r14

cfc2 t4, r15

cfc2 t1, r5

cfc2 t3, r6

cfc2 t5, r7

li v0, 2

beq v1, v0, loc_857A4

addu at, t0, t1

bne t7, v0, loc_857BC

li v0, 1

li v0, 4

bne v1, v0, loc_857BC

li v0, 1

loc_857A4:

sra t0, at, 1

addu t2, t3

sra t2, 1

addu t4, t5

j loc_85808

sra t4, 1

loc_857BC:

bne t7, v0, loc_857E8

subu at, t0, t1

sra t0, at, 2

addu t0, t1, t0

subu t2, t3

sra t2, 2

addu t2, t3, t2

subu t4, t5

sra t4, 2

j loc_85808

addu t4, t5, t4

loc_857E8:

sra t1, at, 2

subu t0, t1

subu t3, t2, t3

sra t3, 2

subu t2, t3

subu t5, t4, t5

sra t5, 2

subu t4, t5

loc_85808:

ctc2 t0, r5

ctc2 t2, r6

ctc2 t4, r7

setup_rotation_matrix:

lw t0, 0(a0)

lw t1, 4(a0)

lw t2, 8(a0)

lw t3, 0xC(a0)

j SetRotation

lw t4, 0x10(a0)

copy_matrix_from_scratch:

lw t0, 0(a0)

lw t1, 4(a0)

lw t2, 8(a0)

lw t3, 0xC(a0)

sw t0, 0(a1)

sw t1, 4(a1)

sw t2, 8(a1)

sw t3, 0xC(a1)

lw t4, 0x10(a0)

lw t5, 0x14(a0)

lw t6, 0x18(a0)

lw t7, 0x1C(a0)

sw t4, 0x10(a1)

sw t5, 0x14(a1)

sw t6, 0x18(a1)

jr ra

sw t7, 0x1C(a1)

mTranslateAbsXYZ:

;lw t0, MatrixStack+0x14-GP_ADDR(gp)

;lw t1, MatrixStack+0x18-GP_ADDR(gp)

;lw t2, MatrixStack+0x1C-GP_ADDR(gp)

la t2, MatrixStack

lw t0, 0x14(t2)

lw t1, 0x18(t2)

lw t2, 0x1C(t2)

ctc2 zero, r5

ctc2 zero, r6

ctc2 zero, r7

sub a0, t0

sub a1, t1

j mTranslateXYZ

sub a2, t2

Hardcore_mTranslateXYZ:

lw a0, 0(a2)

lw a1, 4(a2)

lw a2, 8(a2)

mTranslateXYZ:

bgez a1, loc_84B5C

sra t4, a1, 15

negu a1, a1

sra t4, a1, 15

andi a1, 0x7FFF

negu t4, t4

j loc_84B60

negu a1, a1

loc_84B5C:

andi a1, 0x7FFF

loc_84B60:

bgez a2, loc_84B80

sra t5, a2, 15

negu a2, a2

sra t5, a2, 15

andi a2, 0x7FFF

negu t5, t5

j loc_84B84

negu a2, a2

loc_84B80:

andi a2, 0x7FFF

loc_84B84:

bgez a0, loc_84BA4

sra t3, a0, 15

negu a0, a0

sra t3, a0, 15

andi a0, 0x7FFF

negu t3, t3

j loc_84BA8

negu a0, a0

loc_84BA4:

andi a0, 0x7FFF

loc_84BA8:

mtc2 t3, r9

mtc2 t4, r10

mtc2 t5, r11

nop

nop

cop2 0x41E012

mfc2 t3, r25

mfc2 t4, r26

mtc2 a0, r9

mtc2 a1, r10

mtc2 a2, r11

mfc2 t5, r27

nop

nop

cop2 0x498012

bgez t3, loc_84BEC

sll t0, t3, 3

negu t3, t3

sll t3, 3

negu t0, t3

loc_84BEC:

bgez t4, loc_84C00

sll t1, t4, 3

negu t4, t4

sll t4, 3

negu t1, t4

loc_84C00:

bgez t5, loc_84C14

sll t2, t5, 3

negu t5, t5

sll t5, 3

negu t2, t5

loc_84C14:

mfc2 t3, r25

mfc2 t4, r26

mfc2 t5, r27

addu t0, t3

addu t1, t4

addu t2, t5

ctc2 t0, r5

ctc2 t1, r6

ctc2 t2, r7

jr ra

nop

mRotSuperPackedYXZ:

lw a2, 0x24(t8)

beqz a1, loc_84C6C

loc_84C48:

lhu v0, 0(a2)

addi a1, -1

andi at, v0, 0xC000

bnez at, loc_84C60

addi a2, 2

addi a2, 2

loc_84C60:

bnez a1, loc_84C48

nop

lhu v0, 0(a2)

loc_84C6C:

addi a2, 2

srl at, v0, 14

beqz at, loc_84CAC

addi at, -1

sw a2, 0x24(t8)

beqz at, loc_84CA0

addi at, -1

beqz at, loc_84C98

andi a0, v0, 0xFFF

j mRotZ

sll a0, 4

loc_84C98:

j mRotY

sll a0, 4

loc_84CA0:

andi a0, v0, 0xFFF

j mRotX

sll a0, 4

loc_84CAC:

lhu at, 0(a2)

addi a2, 2

sw a2, 0x24(t8)

sll v0, 16

or v0, at

move v1, ra

sra a0, v0, 4

jal mRotY

andi a0, 0xFFC0

sra a0, v0, 14

jal mRotX

andi a0, 0xFFC0

andi a0, v0, 0x3FF

sll a0, 6

j mRotZ

move ra, v1

;mRotPackedYXZ: Not used?

mRotX:

srl a0, 2

andi a0, 0x3FFC

bnez a0, loc_84D04

add t0, s2, a0

jr ra

nop

loc_84D04:

lw t5, 0(t0)

lui t7, 0xFFFF

and t6, t7, t5

mtc2 t6, r0

mtc2 t5, r1

cfc2 t0, r0

cfc2 t1, r1

cfc2 t3, r3

cop2 0x486012

srl t6, t5, 16

sll t5, 16

neg t5, t5

mtc2 t5, r2

mtc2 t6, r3

andi t0, 0xFFFF

and t1, t7

andi t3, 0xFFFF

mfc2 t4, r25

mfc2 t2, r26

mfc2 t5, r27

cop2 0x48E012

sll t4, 16

or t0, t4

andi t2, 0xFFFF

sll t5, 16

or t3, t5

mfc2 t5, r25

mfc2 t6, r26

mfc2 t4, r27

andi t5, 0xFFFF

or t1, t5

sll t6, 16

j SetRotation

or t2, t6

mRotY:

srl a0, 2

andi a0, 0x3FFC

bnez a0, loc_84DA4

add t0, s2, a0

jr ra

nop

loc_84DA4:

lw t5, 0(t0)

lui t7, 0xFFFF

srl t6, t5, 16

andi t5, 0xFFFF

neg t2, t5

mtc2 t6, r0

mtc2 t2, r1

cfc2 t0, r0

cfc2 t2, r2

cfc2 t3, r3

cop2 0x486012

mtc2 t5, r2

mtc2 t6, r3

and t0, t7

andi t2, 0xFFFF

and t3, t7

mfc2 t4, r25

mfc2 t1, r26

mfc2 t5, r27

cop2 0x48E012

andi t4, 0xFFFF

or t0, t4

sll t1, 16

andi t5, 0xFFFF

or t3, t5

mfc2 t5, r25

mfc2 t6, r26

mfc2 t4, r27

andi t5, 0xFFFF

or t1, t5

sll t6, 16

j SetRotation

or t2, t6

mRotYXZ:

move v0, ra

jal mRotY

nop

jal mRotX

move a0, a1

move a0, a2

move ra, v0

mRotZ:

srl a0, 2

andi a0, 0x3FFC

bnez a0, loc_84E5C

add t0, s2, a0

jr ra

nop

loc_84E5C:

lw t0, 0(t0)

lui t7, 0xFFFF

srl t1, t0, 16

sll t2, t0, 16

or t1, t2

mtc2 t1, r0

mtc2 zero, r1

cfc2 t1, r1

cfc2 t2, r2

cfc2 t4, r4

cop2 0x486012

and t3, t0, t7

andi t0, 0xFFFF

neg t0, t0

andi t0, 0xFFFF

or t0, t3

mtc2 t0, r2

mtc2 zero, r3

andi t1, 0xFFFF

mfc2 t0, r25

mfc2 t5, r26

mfc2 t3, r27

cop2 0x48E012

and t2, t7

andi t0, 0xFFFF

sll t5, 16

or t1, t5

andi t3, 0xFFFF

mfc2 t5, r25

mfc2 t6, r26

mfc2 a0, r27

sll t5, 16

or t0, t5

andi t6, 0xFFFF

or t2, t6

sll a0, 16

j SetRotation

or t3, a0

DEL_stash_both_matrices:

cfc2 t0, r8

cfc2 t1, r9

cfc2 t2, r10

cfc2 t3, r11

sw t0, 0xE0(t8)

sw t1, 0xE4(t8)

sw t2, 0xE8(t8)

sw t3, 0xEC(t8)

cfc2 t4, r12

cfc2 t5, r13

cfc2 t6, r14

cfc2 t7, r15

sw t4, 0xF0(t8)

sw t5, 0xF4(t8)

sw t6, 0xF8(t8)

sw t7, 0xFC(t8)

snaff_current_gte_matrix_V1:

cfc2 t0, r0

cfc2 t1, r1

cfc2 t2, r2

cfc2 t3, r3

sw t0, 0(a0)

sw t1, 4(a0)

sw t2, 8(a0)

sw t3, 0xC(a0)

cfc2 t4, r4

cfc2 t5, r5

cfc2 t6, r6

cfc2 t7, r7

sw t4, 0x10(a0)

sw t5, 0x14(a0)

sw t6, 0x18(a0)

jr ra

sw t7, 0x1C(a0)

DEL_restore_both_matrices:

lw t0, 0xE0(t8)

lw t1, 0xE4(t8)

lw t2, 0xE8(t8)

lw t3, 0xEC(t8)

ctc2 t0, r8

ctc2 t1, r9

ctc2 t2, r10

ctc2 t3, r11

lw t4, 0xF0(t8)

lw t5, 0xF4(t8)

lw t6, 0xF8(t8)

lw t7, 0xFC(t8)

ctc2 t4, r12

ctc2 t5, r13

ctc2 t6, r14

ctc2 t7, r15

mLoadMatrix:

lw t5, 0x14(a0)

lw t6, 0x18(a0)

lw t7, 0x1C(a0)

lw t0, 0(a0)

lw t1, 4(a0)

lw t2, 8(a0)

lw t3, 0xC(a0)

lw t4, 0x10(a0)

ctc2 t5, r5

ctc2 t6, r6

ctc2 t7, r7

SetRotation:

ctc2 t0, r0

ctc2 t1, r1

ctc2 t2, r2

ctc2 t3, r3

ctc2 t4, r4

jr ra

nop

iRotX:

srl a0, 2

andi a0, 0x3FFC

bnez a0, loc_85018

add t0, s2, a0

jr ra

nop

loc_85018:

lw t5, 0(t0)

lui t7, 0xFFFF

and t6, t7, t5

mtc2 t6, r0

mtc2 t5, r1

cfc2 t0, r8

cfc2 t1, r9

cfc2 t3, r11

cop2 0x4A6012

srl t6, t5, 16

sll t5, 16

neg t5, t5

mtc2 t5, r2

mtc2 t6, r3

andi t0, 0xFFFF

and t1, t7

andi t3, 0xFFFF

mfc2 t4, r25

mfc2 t2, r26

mfc2 t5, r27

cop2 0x4AE012

sll t4, 16

or t0, t4

andi t2, 0xFFFF

sll t5, 16

or t3, t5

mfc2 t5, r25

mfc2 t6, r26

mfc2 t4, r27

andi t5, 0xFFFF

or t1, t5

sll t6, 16

j SetRotation_I

or t2, t6

iRotY:

srl a0, 2

andi a0, 0x3FFC

bnez a0, loc_850B8

add t0, s2, a0

jr ra

nop

loc_850B8:

lw t5, 0(t0)

lui t7, 0xFFFF

srl t6, t5, 16

andi t5, 0xFFFF

neg t2, t5

mtc2 t6, r0

mtc2 t2, r1

cfc2 t0, r8

cfc2 t2, r10

cfc2 t3, r11

cop2 0x4A6012

mtc2 t5, r2

mtc2 t6, r3

and t0, t7

andi t2, 0xFFFF

and t3, t7

mfc2 t4, r25

mfc2 t1, r26

mfc2 t5, r27

cop2 0x4AE012

andi t4, 0xFFFF

or t0, t4

sll t1, 16

andi t5, 0xFFFF

or t3, t5

mfc2 t5, r25

mfc2 t6, r26

mfc2 t4, r27

andi t5, 0xFFFF

or t1, t5

sll t6, 16

j SetRotation_I

or t2, t6

iRotYXZ:

move v0, ra

jal iRotY

nop

jal iRotX

move a0, a1

move ra, v0

move a0, a2

iRotZ:

srl a0, 2

andi a0, 0x3FFC

bnez a0, loc_85170

add t0, s2, a0

jr ra

nop

loc_85170:

lw t0, 0(t0)

lui t7, 0xFFFF

srl t1, t0, 16

sll t2, t0, 16

or t1, t2

mtc2 t1, r0

mtc2 zero, r1

cfc2 t1, r9

cfc2 t2, r10

cfc2 t4, r12

cop2 0x4A6012

and t3, t0, t7

andi t0, 0xFFFF

neg t0, t0

andi t0, 0xFFFF

or t0, t3

mtc2 t0, r2

mtc2 zero, r3

andi t1, 0xFFFF

mfc2 t0, r25

mfc2 t5, r26

mfc2 t3, r27

cop2 0x4AE012

and t2, t7

andi t0, 0xFFFF

sll t5, 16

or t1, t5

andi t3, 0xFFFF

mfc2 t5, r25

mfc2 t6, r26

mfc2 t7, r27

sll t5, 16

or t0, t5

andi t6, 0xFFFF

or t2, t6

sll t7, 16

or t3, t7

loc_85204:

ctc2 t0, r8

ctc2 t1, r9

ctc2 t2, r10

ctc2 t3, r11

ctc2 t4, r12

jr ra

nop

SetRotation_I:

ctc2 t0, r8

ctc2 t1, r9

ctc2 t2, r10

ctc2 t3, r11

ctc2 t4, r12

jr ra

nop

iRotSuperPackedYXZ:

lw a2, 0x28(t8)

beqz a1, loc_8524C

loc_85228:

lhu v0, 0(a2)

addi a1, -1

andi at, v0, 0xC000

bnez at, loc_85240

addi a2, 2

addi a2, 2

loc_85240:

bnez a1, loc_85228

nop

lhu v0, 0(a2)

loc_8524C:

addi a2, 2

srl at, v0, 14

beqz at, loc_8528C

addi at, -1

sw a2, 0x28(t8)

beqz at, loc_85280

addi at, -1

beqz at, loc_85278

andi a0, v0, 0xFFF

j iRotZ

sll a0, 4

loc_85278:

j iRotY

sll a0, 4

loc_85280:

andi a0, v0, 0xFFF

j iRotX

sll a0, 4

loc_8528C:

lhu at, 0(a2)

addi a2, 2

sw a2, 0x28(t8)

sll a2, v0, 16

or a2, at

move a1, ra

srl a0, a2, 4

jal iRotY

andi a0, 0xFFC0

srl a0, a2, 14

jal iRotX

andi a0, 0xFFC0

sll a0, a2, 6

andi a0, 0xFFC0

j iRotZ

move ra, a1

iRotPackedYXZ:;TODO cannot find ASM**********************************************************

jr ra

nop

Hardcore_iTranslateXYZ:

lw a0, 0(a2)

lw a1, 4(a2)

lw a2, 8(a2)

iTranslateXYZ:

move t6, ra

move a3, a0

sw a1, 0x180(t8)

jal mTranslateXYZ

sw a2, 0x184(t8)

move ra, t6

lw a1, 0x180(t8)

lw a2, 0x184(t8)

iTranslateXYZ2:

bgez a3, loc_85318

sra t0, a3, 15

negu a3, a3

sra t0, a3, 15

andi a3, 0x7FFF

negu t0, t0

j loc_8531C

negu a3, a3

loc_85318:

andi a3, 0x7FFF

loc_8531C:

bgez a1, loc_8533C

sra t1, a1, 15

negu a1, a1

sra t1, a1, 15

andi a1, 0x7FFF

negu t1, t1

j loc_85340

negu a1, a1

loc_8533C:

andi a1, 0x7FFF

loc_85340:

bgez a2, loc_85360

sra t2, a2, 15

negu a2, a2

sra t2, a2, 15

andi a2, 0x7FFF

negu t2, t2

j loc_85364

negu a2, a2

loc_85360:

andi a2, 0x7FFF

loc_85364:

mtc2 t0, r9

mtc2 t1, r10

mtc2 t2, r11

nop

nop

cop2 0x43E012

mfc2 t6, r25

mtc2 a3, r9

mtc2 a1, r10

mtc2 a2, r11

mfc2 t7, r26

mfc2 v0, r27

cop2 0x4BE012

bgez t6, loc_853A8

sll t3, t6, 3

negu t6, t6

sll t6, 3

negu t3, t6

loc_853A8:

bgez t7, loc_853BC

sll t4, t7, 3

negu t7, t7

sll t7, 3

negu t4, t7

loc_853BC:

bgez v0, loc_853D0

sll t5, v0, 3

negu v0, v0

sll v0, 3

negu t5, v0

loc_853D0:

mfc2 t6, r25

mfc2 t7, r26

mfc2 v0, r27

addu t3, t6

addu t4, t7

addu t5, v0

cfc2 t0, r13

cfc2 t1, r14

cfc2 t2, r15

addu t0, t3

addu t1, t4

addu t2, t5

ctc2 t0, r13

ctc2 t1, r14

ctc2 t2, r15

jr ra

nop

InterpolateMatrix:

cfc2 t0, r2

cfc2 t1, r3

cfc2 t2, r4

cfc2 t3, r10

cfc2 t4, r11

cfc2 t5, r12

sw t0, 0x168(t8)

sw t1, 0x16C(t8)

sw t2, 0x170(t8)

sw t3, 0x148(t8)

sw t4, 0x14C(t8)

sw t5, 0x150(t8)

lw v1, 0xBC(t8)

lw t7, 0xB8(t8)

li v0, 2

cfc2 t6, r0

cfc2 t3, r1

cfc2 a3, r8

cfc2 t2, r9

sra t1, t6, 16

sll t6, 16

sra t6, 16

sra t5, t3, 16

sll t3, 16

sra t3, 16

sra t0, a3, 16

sll a3, 16

sra a3, 16

sra t4, t2, 16

sll t2, 16

beq v1, v0, loc_854A8

sra t2, 16

bne t7, v0, loc_8556C

li v0, 1

li v0, 4

bne v1, v0, loc_8556C

li v0, 1

loc_854A8:

addu t0, t1

sra t0, 1

addu a3, t6

sra a3, 1

addu t2, t3

sra t2, 1

addu t4, t5

sra t4, 1

sh a3, 0(a0)

sh t0, 2(a0)

sh t2, 4(a0)

sh t4, 6(a0)

lh a3, 0x148(t8)

lh t6, 0x168(t8)

lh t0, 0x14A(t8)

lh t1, 0x16A(t8)

addu a3, t6

sra a3, 1

addu t0, t1

sra t0, 1

lh t2, 0x14C(t8)

lh t3, 0x16C(t8)

lh t4, 0x14E(t8)

lh t5, 0x16E(t8)

addu t2, t3

sra t2, 1

addu t4, t5

sra t4, 1

sh a3, 8(a0)

sh t0, 0xA(a0)

sh t2, 0xC(a0)

sh t4, 0xE(a0)

lh a3, 0x150(t8)

lh t6, 0x170(t8)

cfc2 t0, r13

cfc2 t1, r5

addu a3, t6

sra a3, 1

addu t0, t1

sra t0, 1

cfc2 t2, r14

cfc2 t3, r6

cfc2 t4, r15

cfc2 t5, r7

addu t2, t3

sra t2, 1

addu t4, t5

j loc_85750

sra t4, 1

loc_8556C:

bne t7, v0, loc_85664

subu at, t0, t1

sra t0, at, 2

addu t0, t1, t0

subu a3, t6

sra a3, 2

addu a3, t6, a3

subu t2, t3

sra t2, 2

addu t2, t3, t2

subu t4, t5

sra t4, 2

addu t4, t5, t4

sh a3, 0(a0)

sh t0, 2(a0)

sh t2, 4(a0)

sh t4, 6(a0)

lh a3, 0x148(t8)

lh t6, 0x168(t8)

lh t0, 0x14A(t8)

lh t1, 0x16A(t8)

subu a3, t6

sra a3, 2

addu a3, t6, a3

subu t0, t1

sra t0, 2

addu t0, t1, t0

lh t2, 0x14C(t8)

lh t3, 0x16C(t8)

lh t4, 0x14E(t8)

lh t5, 0x16E(t8)

subu t2, t3

sra t2, 2

addu t2, t3, t2

subu t4, t5

sra t4, 2

addu t4, t5, t4

sh a3, 8(a0)

sh t0, 0xA(a0)

sh t2, 0xC(a0)

sh t4, 0xE(a0)

lh a3, 0x150(t8)

lh t6, 0x170(t8)

cfc2 t0, r13

cfc2 t1, r5

subu a3, t6

sra a3, 2

addu a3, t6, a3

subu t0, t1

sra t0, 2

addu t0, t1, t0

cfc2 t2, r14

cfc2 t3, r6

cfc2 t4, r15

cfc2 t5, r7

subu t2, t3

sra t2, 2

addu t2, t3, t2

subu t4, t5

sra t4, 2

j loc_85750

addu t4, t5, t4

loc_85664:

sra t1, at, 2

subu t0, t1

subu t6, a3, t6

sra t6, 2

subu a3, t6

subu t3, t2, t3

sra t3, 2

subu t2, t3

subu t5, t4, t5

sra t5, 2

subu t4, t5

sh a3, 0(a0)

sh t0, 2(a0)

sh t2, 4(a0)

sh t4, 6(a0)

lh a3, 0x148(t8)

lh t6, 0x168(t8)

lh t0, 0x14A(t8)