mirror of
https://github.com/notwa/mm
synced 2024-06-28 21:07:12 -07:00
100 lines
2.5 KiB
NASM
100 lines
2.5 KiB
NASM
[actor_spawn]: 0x800BAE14
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[max_actor_no]: 0x2B1
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[global_context]: 0x803E6B20
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[buttons_offset]: 0x14
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[actor_spawn_offset]: 0x1CA0
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[link_actor]: 0x803FFDB0
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[actor_x]: 0x24
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[actor_y]: 0x28
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[actor_z]: 0x2C
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[link_save]: 0x801EF670
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[rupees_offset]: 0x3A
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[upgrades_offset]: 0xB8
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[upgrades_2_offset]: 0xBA
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[button_L]: 0x0020
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[button_D_right]: 0x0100
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[button_D_left]: 0x0200
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[button_D_down]: 0x0400
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[button_D_up]: 0x0800
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push 4, ra
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li t0, @link_save
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li t1, @global_context
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// give max rupee upgrade (set bit 13, clear bit 12 of lower halfword)
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lh t2, @upgrades_2_offset(t0)
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ori t2, t2, 0x2000
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andi t2, t2, 0xEFFF
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sh t2, @upgrades_2_offset(t0)
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//
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lhu t2, @buttons_offset(t1)
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lh t9, @rupees_offset(t0)
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andi t3, t2, @button_D_up
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beq t3, r0, no_D_up
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nop
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addi t9, t9, 1
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no_D_up:
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andi t3, t2, @button_D_down
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beq t3, r0, no_D_down
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nop
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subi t9, t9, 1
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no_D_down:
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andi t3, t2, @button_D_right
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beq t3, r0, no_D_right
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nop
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addi t9, t9, 10
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no_D_right:
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andi t3, t2, @button_D_left
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beq t3, r0, no_D_left
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nop
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subi t9, t9, 10
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no_D_left:
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subi t4, t9, 1
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bgez t4, no_min
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nop
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li t9, @max_actor_no
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no_min:
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subi t4, t9, @max_actor_no
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blez t4, no_max
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nop
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li t9, 1
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no_max:
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sh t9, @rupees_offset(t0)
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andi t3, t2, @button_L
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beq t3, r0, return
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nop
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mov a0, t9
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bal simple_spawn
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nop
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return:
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jpop 4, ra
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simple_spawn: // args: a0 (actor to spawn)
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push 4, 9, ra
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mov a2, a0
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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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sw r0, 0x18(sp) // rotation?
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sw r0, 0x1C(sp) // rotation?
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sw r0, 0x20(sp) // rotation?
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sw r0, 0x24(sp) // object number?
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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) // unknown
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sw r0, 0x30(sp) // unknown
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// and finally..
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jal @actor_spawn
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nop
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jpop 4, 9, ra
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