mirror of
https://github.com/notwa/mm
synced 2024-06-01 18:53:06 -07:00
129 lines
2.4 KiB
NASM
129 lines
2.4 KiB
NASM
[button_L]: 0x0020
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[button_R]: 0x0010
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[button_any]: 0x0F20
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[min_actor_no]: 0
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[hold_delay_amount]: 3
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spawn:
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push 4, s0, s1, s2, s3, s4, ra,
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li t1, @global_context
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lhu s0, anum
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lw s1, hold_delay
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lhu s2, @buttons_offset(t1)
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lhu s3, avar
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lw s4, selected
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// set selected
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// andi t2, s2, @button_R
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srl s4, s2, 4
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andi s4, s4, 1
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// handle hold delay
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andi t4, s2, @button_any
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bnez t4, +
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addi s1, s1, 1
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li s1, 0
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+:
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beqi s1, 1, +
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nop
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subi t4, s1, @hold_delay_amount
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bltz t4, return
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nop
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+: // handle dpad
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bnez s4, +
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mov a1, s2
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call dpad_control, s0, a1
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mov s0, v0
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b ++
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nop
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+:
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call dpad_control, s3, a1
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andi s3, v0, 0xFFFF
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+: // set min/max on actor number
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subi t4, s0, @min_actor_no
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bgez t4, +
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nop
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li s0, @max_actor_no
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+:
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subi t4, s0, @max_actor_no
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blez t4, +
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nop
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li s0, @min_actor_no
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+: // spawn
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andi t3, s2, @button_L
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beqz t3, return
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nop
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mov a0, s0
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mov a1, s3
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bal simple_spawn
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nop
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return:
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// render actor number
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call simple_text, 0x0001001C, 0x88CCFFFF, fmt, s0
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// render actor variable
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call simple_text, 0x0006001C, 0xFFCC88FF, fmt, s3
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// done
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sh s0, anum
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sw s1, hold_delay
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sh s3, avar
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sw s4, selected
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ret 4, s0, s1, s2, s3, s4, ra,
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anum:
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.word 0
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avar:
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.word 0
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selected:
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.word 0
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fmt:
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.asciiz "%04X"
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.align
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.include "dpad control.asm"
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.include "simple spawn.asm"
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.include "simple text.asm"
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hold_delay:
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.word 0
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object_spawn_wrap:
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// a0: object table
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// a1: object number
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beqz a0, +
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nop
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beqi a0, 1, +
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nop
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beqi a0, 2, +
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nop
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call @object_spawn, a0, a1
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+:
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jr
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nop
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.org @object_index
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// a0: object table
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// a1: object number
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// we have space for 22 instructions (on debug, 23 on 1.0?)
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push 4, ra, 1
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mov t0, a0
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lbu t1, 8(a0) // remaining items
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cl v0
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-:
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lh t2, 12(t0) // item's object number
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// t2 = abs(t2)
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bgez t2, +
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nop
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subu t2, r0, t2
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+:
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beq a1, t2, +
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subi t1, t1, 1
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addiu v0, v0, 1
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addi t0, t0, 68
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bnez t1, -
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nop
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call @object_spawn, a0, a1
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//subiu v0, r0, -1 // original code
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+:
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ret 4, ra, 1
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