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use new stack instructions

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This commit is contained in:
Connor Olding 2015-12-17 08:52:48 -08:00
parent 54b0a63759
commit e65ff9bae6
1 changed files with 9 additions and 23 deletions
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32
Lua/inject/crap.asm
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@ -24,13 +24,10 @@
[cosf]: 0x80091F40
main:
subi sp, sp, 20
sw ra, 0(sp)
sw a0, 4(sp)
sw s1, 8(sp) // current actor ptr
sw s3, 12(sp) // current actor type ptr
sw s4, 16(sp) // current actor type index
push ra, a0, s1, s3, s4
// s1: current actor ptr
// s3: current actor type ptr
// s4: current actor type index
li t0, @global_context
addi s3, t0, @actorlist_offset
li s4, 0
@ -73,21 +70,14 @@ continue:
bne s4, t0, typeloop
addi s3, s3, @actorlist_dead_space
lw ra, 0(sp)
lw a0, 4(sp)
lw s1, 8(sp)
lw s3, 12(sp)
lw s4, 16(sp)
jr
addi sp, sp, 20
jpop ra, a0, s1, s3, s4
process_actor: // args: a0. returns nothing.
// TODO: ignore bomb explosions, they share the same type
subi sp, sp, 16
push r0, ra, s0, s1
// 0(sp) reserved for sinf/cosf
sw ra, 4(sp)
sw s0, 8(sp) // result of sin
sw s1, 12(sp) // result of cos
// s0: result of sin
// s1: result of cos
lh t0, 0(a0)
subiu t0, t0, @at_bomb
bne t0, r0, process_actor_return
@ -138,11 +128,7 @@ process_actor: // args: a0. returns nothing.
sw t5, current_rotation
process_actor_return:
lw ra, 4(sp)
lw s0, 8(sp)
lw s1, 12(sp)
jr
addi sp, sp, 16
jpop r0, ra, s0, s1
rotations:
.word 0x00000000 // pi*0/6