require = require "depend" require "boilerplate" require "addrs.init" local assemble = require "inject.lips" if version ~= "M US10" then print("Sorry, inject.lua is unimplemented for your version.") return end local asm_path if bizstring then asm_path = "inject/crap.asm" else asm_path = "./mm/Lua/inject/crap.asm" end local inject_addr, inject_maxlen, ow_addr, ow_before inject_addr = 0x780000 inject_maxlen = 0x5A800 ow_addr = 0x1749D0 ow_before = 0x0C05CEC6 --ow_addr = 0x174750 --ow_before = 0x0C05D06A local ss_fn = 'inject temp.State' -- do it local ow_after = 0x0C000000 + math.floor(inject_addr/4) if R4(ow_addr) ~= ow_before and R4(ow_addr) ~= ow_after then print("Can't inject -- game code is different!") return end local ow_before_addr = (ow_before % 0x4000000)*4 local header = ("[overwritten]: 0x%08X\n"):format(ow_before_addr) header = header..[[ sw ra, -4(sp) bal start subi sp, sp, 4 jal @overwritten nop lw ra, 0(sp) jr addi sp, sp, 4 start: ]] local inject = {} local length = 0 local add_inject = function(line) length = length + #line/2 table.insert(inject, tonumber(line, 16)) end local true_offset = 0x80000000 + inject_addr assemble(header, add_inject, {unsafe=true, offset=true_offset}) assemble(asm_path, add_inject, {unsafe=true, offset=true_offset + length}) printf("length: %i words", length/4) if #inject > inject_maxlen then print("Assembly too large!") return end for i, v in ipairs(inject) do W4(inject_addr + (i - 1)*4, v) end -- finally, inject over jal printf('%08X: %08X', ow_addr, ow_after) W4(ow_addr, ow_after) -- force code cache to be reloaded if bizstring then savestate.save(ss_fn) savestate.load(ss_fn) else m64p.reloadCode() end