Talk:PSP Emulation: Difference between revisions
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* 3 psp remasters (1 is below 4.55, 2 others above 4.55 but below 5.05) | * 3 psp remasters (1 is below 4.55, 2 others above 4.55 but below 5.05) | ||
* size of patapon is 574MB, size of locoroco 2 is 3.3GB | * size of patapon is 574MB, size of locoroco 2 is 3.3GB | ||
= Patches = | |||
<source lang="lua"> | |||
local gpr = require( "ax-gpr-alias" ) -- you can access Allegrex GPR by alias (gpr.a0 / gpr["a0"]) | |||
local pad = require( "pad" ) -- pad state | |||
local emuObj = getEmuObject() -- emulator | |||
local axObj = getAXObject() -- allegrex | |||
-- Fixup additional songs path | |||
local addOnPathHook = function() | |||
local pathPtr = axObj.GetGpr(gpr.a2) | |||
axObj.WriteMemStrZ(pathPtr, "ao0:/MUSIC/") -- reroute to add-on directory | |||
end | |||
axObj.AddHook(0x88c022c, 0x24c66de0, addOnPathHook) | |||
... | |||
</source> | |||
reroutes sceIoOpen "ms0:/PSP/SAVEDATA/UCUS98702MUSIC/" to "ao0:/MUSIC/" | |||
axObj.AddHook(0x8800000 (base) + offset in psp boot.bin, original bytes little endian, hook_function) | |||
Revision as of 21:32, 21 July 2018
Notes
- No keys available in emu, so everything is loaded decrypted from ISO
- BOOT.BIN is the loaded executable from ISO
- 3 psp remasters (1 is below 4.55, 2 others above 4.55 but below 5.05)
- size of patapon is 574MB, size of locoroco 2 is 3.3GB
Patches
local gpr = require( "ax-gpr-alias" ) -- you can access Allegrex GPR by alias (gpr.a0 / gpr["a0"])
local pad = require( "pad" ) -- pad state
local emuObj = getEmuObject() -- emulator
local axObj = getAXObject() -- allegrex
-- Fixup additional songs path
local addOnPathHook = function()
local pathPtr = axObj.GetGpr(gpr.a2)
axObj.WriteMemStrZ(pathPtr, "ao0:/MUSIC/") -- reroute to add-on directory
end
axObj.AddHook(0x88c022c, 0x24c66de0, addOnPathHook)
...
reroutes sceIoOpen "ms0:/PSP/SAVEDATA/UCUS98702MUSIC/" to "ao0:/MUSIC/"
axObj.AddHook(0x8800000 (base) + offset in psp boot.bin, original bytes little endian, hook_function)