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

SECTION ASM

INCLUDE SPEC_PSX/GLOBAL.INC

XDEF S_DrawGouraudBar, OptimiseOTagR, calcval, DelLine, DelBox, S_PrintNiceShadow

XREF db

S_PrintNiceShadow:

jr ra

nop

calcval:

mult at, t5

mflo at

nop

nop

mult v0, t3

mflo v0

nop

addu v0, at

div v0, t6

jr ra

mflo at

DelLine:

lui at, 0x5000

or a2, at

sw a2, 4(t8)

sw a0, 8(t8)

sw a3, 0xC(t8)

sw a1, 0x10(t8)

lui at, 0x400

or t7, at

sw t7, 0(t8)

move t7, t8

jr ra

addiu t8, 0x14

DelBox:

lui at, 0x300

or t7, at

sw t7, 0(t8)

sw a2, 4(t8)

sw a0, 8(t8)

sw a1, 0xC(t8)

move t7, t8

jr ra

addiu t8, 0x10

S_DrawGouraudBar:

addiu sp, -0x20

sw s0, 0x20-0x10(sp)

sw s1, 0x20-0xC(sp)

sw ra, 0x20-0x8(sp)

lw t9, db+0x4-GP_ADDR(gp)

lw t8, db+0x8-GP_ADDR(gp)

lw at, db+0x10-GP_ADDR(gp)

lw t7, 0(t9)

sltu at, t8, at

beqz at, loc_87160

move t6, a2

move s0, a0

move s1, a1

move t3, a3

beqz t3, loc_870AC

addiu t3, -1

subu t5, t6, t3

lw t2, 0x20+0x10(sp)

li t4, 5

andi a0, s0, 0xFFFF

sll at, s1, 16

addu a1, a0, t3

or a0, at

or a1, at

loc_87038:

lbu at, 0(t2)

lbu v0, 0xF(t2)

jal calcval

move t0, at

move a3, at

lbu at, 5(t2)

lbu v0, 0x14(t2)

jal calcval

move t1, at

move a2, at

lbu at, 0xA(t2)

lbu v0, 0x19(t2)

jal calcval

move v1, at

sll at, 16

or a3, at, a3

sll a2, 8

or a3, a2

sll t1, 8

or a2, t1, t0

sll v1, 16

jal DelLine

or a2, v1

addiu t2, 1

lui at, 1

addu a0, at

addiu t4, -1

bnez t4, loc_87038

addu a1, at

loc_870AC:

addiu s0, -2

addiu s1, -2

sll t2, s1, 16

addu t3, s0, t6

addiu t3, 4

addiu t4, s1, 8

sll t4, 16

or a0, s0, t2

or a1, t3, t2

li a2, 0x828250

lui a3, 0xA0

jal DelLine

or a3, 0xA0A0

or a0, t3, t4

jal DelLine

or a1, s0, t4

or a1, t3, t2

jal DelLine

or a0, t3, t4

or a1, s0, t4

jal DelLine

or a0, s0, t2

lui at, 1

addu t2, at

subu t4, at

addiu s0, -1

or a0, s0, t2

or a1, s0, t4

li a2, 0x414128

lui a3, 0x50

jal DelLine

li a3, 0x505050

addiu t3, 1

or a1, t3, t2

jal DelLine

or a0, t3, t4

addiu s0, 2

or a0, s0, t2

addiu v0, t6, 3

lui a1, 7

or a1, v0, a1

jal DelBox

lui a2, 0x6000

loc_87160:

lw ra, 0x20-0x8(sp)

lw s1, 0x20-0xC(sp)

lw s0, 0x20-0x10(sp)

addiu sp, 0x20

sw t7, 0(t9)

jr ra

sw t8, db+0x8-GP_ADDR(gp)

OptimiseOTagR:

slti at, a1, 8

bnez at, locret_86D14

move at, zero

sll a1, 2

addiu a1, -4

addu a1, a0

addiu v1, a0, 4

lw v0, 0(a1)

loc_86CE4:

addiu a1, -4

bne v0, a1, loc_86D0C

addiu a3, a1, 4

beq a1, a0, locret_86D14

loc_86CF4:

lw v0, 0(a1)

beq a1, v1, loc_86D08

addiu a1, -4

beq v0, a1, loc_86CF4

addiu at, 1

loc_86D08:

sw v0, 0(a3)

loc_86D0C:

bne a1, a0, loc_86CE4

lw v0, 0(a1)

locret_86D14:

jr ra

move v0, at