mirror of
https://github.com/notwa/mm
synced 2024-11-05 02:29:03 -08:00
105 lines
3.4 KiB
NASM
105 lines
3.4 KiB
NASM
.include "common.asm"
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[starting_exit]: 0x9F87C
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[default_save]: 0x120DD8
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; 0x8016A2C8 -> 0xC4808
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; 0x8016A2C8 - 0xC4808 = 0x800A5AC0
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; 0x8016AC0C - 0x8016A2C8 = 0x944
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.org 0xCEDE0 ; 0x801748A0
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; this appears to be the main game loop function
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; we can "make room" for some injected code
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; by taking advantage of it never returning under normal circumstances.
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; we'll cut out pushing RA, S1-S8 stuff on stack.
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; props to CloudMax for doing this in OoT first.
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addiu sp, sp, 0xFCC0 ; original code
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; push removed here
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li s0, 0x801BD910 ; original code
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; pushes removed here
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; 6 instructions to work with
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li a1, @vstart ; 2
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li a2, @size ; 2
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jal @DMARomToRam ; 1
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li a0, @start ; 1 (just make sure @start can be a LUI!)
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.org 0xC4808 ; 0x8016A2C8
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/*
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; if we've already loaded once, don't load again
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lbu t0, @start ; 2
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bnez t0, + ; 1
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nop ; 1
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push 4, a0, a1, a2, ra ; 5
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li a0, @start ; 1
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li a1, @vstart ; 2
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li a2, @size ; 2
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jal @DMARomToRam ; 1
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nop ; 1
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pop 4, a0, a1, a2, ra ; 5
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+:
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j @dma_hook ; 1
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nop ; 1
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; total overwriten instructions: 23
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; the original function is in setup.asm,
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; and is moved into our extra file.
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; we have (0x944 / 4 - 23) = 570 words of space here, should we need it.
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.word 0xDEADBEEF
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*/
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j @dma_hook ; 1
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nop ; 1
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.org 0x9F9A4 ; JR of starting_exit's function
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j @load_hook ; tail call
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.org 0x80710
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j @tunic_color_hook
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lhu t1, 0x1DB0(t1); original code
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.org @starting_exit
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li t8, 0xD800 ; modified code
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li t4, 0xD800 ; modified code
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.org @default_save
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.ascii "\0\0\0\0\0\0" ; ZELDA3
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.half 1 ; SoT count
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.ascii ">>>>>>>>" ; player name
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.half 0x30 ; hearts
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.half 0x30 ; max hearts
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.byte 1 ; magic level
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.byte 0x30 ; magic amount
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.half 0 ; rupees
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.word 0 ; navi timer
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.byte 1 ; has normal magic
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.byte 0 ; has double magic
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.half 0 ; double defense
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.half 0xFF00 ; unknown
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.half 0x0000 ; owls hit
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.word 0xFF000008 ; unknown
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.word 0x4DFFFFFF ; human buttons
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.word 0x4DFFFFFF ; goron buttons
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.word 0x4DFFFFFF ; zora buttons
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.word 0xFDFFFFFF ; deku buttons
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.word 0x00FFFFFF ; equipped slots
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.word 0xFFFFFFFF ; unknown
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.word 0xFFFFFFFF ; unknown
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.word 0xFFFFFFFF ; unknown
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.half 0x0011 ; tunic & boots
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.half 0 ; unknown
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; inventory items
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.byte 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF ; ocarina, nothing else
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.byte 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
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.byte 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
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.byte 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
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; mask items
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.byte 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x32 ; deku mask, nothing else
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.byte 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
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.byte 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
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.byte 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
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; item quantities
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.byte 0, 0, 0, 0, 0, 0
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.byte 0, 0, 0, 0, 0, 0
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.byte 0, 0, 0, 0, 0, 0
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.byte 0, 0, 0, 0, 0, 0
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;
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.word 0 ; upgrades
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.word 0x00003000 ; quest status (set song of time and song of healing)
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