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https://github.com/notwa/mm
synced 2024-11-05 06:39:02 -08:00
52 lines
1.4 KiB
NASM
52 lines
1.4 KiB
NASM
simple_spawn:
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// a0: actor number
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// a1: actor variable
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push 4, 9, ra
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mov a2, a0
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mov t4, a1
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li a1, @global_context
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addi a0, a1, @actor_spawn_offset
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li t0, @link_actor
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lw t1, @actor_x(t0)
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lw t2, @actor_y(t0)
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lw t3, @actor_z(t0)
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lhu t7, @actor_horiz_angle(t0)
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call @actor_spawn a0, a1, a2, t1, t2, t3, 0, t7, 0, t4, 0x7F, 0x3FF, 0
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ret 4, 9, ra
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/* old version (before call pseudo-instruction existed) with comments
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simple_spawn:
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// a0: actor number
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// a1: actor variable
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push 4, 9, ra
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mov a2, a0
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mov t4, a1
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li a1, @global_context
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addi a0, a1, @actor_spawn_offset
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li t0, @link_actor
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lw t1, @actor_x(t0)
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lw t2, @actor_y(t0)
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lw t3, @actor_z(t0)
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mov a3, t1 // X position
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sw t2, 0x10(sp) // Y position
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sw t3, 0x14(sp) // Z position
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li t9, 0x0
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sw t9, 0x18(sp) // rotation?
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lhu t7, @actor_horiz_angle(t0)
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sw t7, 0x1C(sp) // horizontal rotation
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li t9, 0x0
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sw t9, 0x20(sp) // rotation?
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sw t4, 0x24(sp) // actor variable
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li t9, 0x0000007F
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sw t9, 0x28(sp) // unknown
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li t9, 0x000003FF
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sw t9, 0x2C(sp) // spawn time? (probably MM only)
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li t9, 0x00000000
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sw t9, 0x30(sp) // unknown
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jal @actor_spawn
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nop
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ret 4, 9, ra
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*/
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