Editing PS2 Emulation

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**1 [Dark Cloud] and [Dead Or Alive 2 Hardcore]
**1 [Dark Cloud] and [Dead Or Alive 2 Hardcore]


{{Boxcomm|id=0x0A|name=EE_INSN_REPLACE32|data=uint32_t count, <List> (<nowiki>mode | offset</nowiki>, original opcode, replace opcode)}}
{{Boxcomm|id=0x0A|name=EE_INSN_REPLACE32|data=uint32_t count, <List> (offset, original opcode, replace opcode)}}
Command present only in the ps2_netemu. Maximum List Count: 32. Mode is first 4 bits of address field (Xyyyyyyy), can be either 0, 1, or 2. All known examples use this command in 0 mode, and modes 1 and 2 are here just for documentation purposes.
Command present only in the ps2_netemu. Maximum List Count: 32
 
*Valid values found
*mode 0 - Replace 32 bit of EE memory. Params are EE offset, original opcode, replace opcode.
**1 [Deadly Strike]
*mode 1 - Write jr ra, li v0, xxxx to selected memory range. Params are EE memory start address, original opcode, u16 counter, u16 value for li, v0 xxxx
**2 [Dragon Force]
*mode 2 - NOP memory at selected range. Params: start address, end address, unused (can be anything, but is required to align config).
Problem: Original opcode validity check is performed before testing config for special cases. Thus making mode 2 almost inaccessible.<br>
Solution: We can patch that one line of code by the same 0x0A config. So if we want to nop region from 0x100000 to 0x100080, first we need to patch 0x100000 to 0x100080 opcode. So check will pass, "simple" as that.


{{Boxcomm|id=0x0B|name=MECHA_SET_PATCH|data=1x uint32_t count, <List> {sector id, offset, sizeof present opcodes, replace opcodes, original opcodes)}}
{{Boxcomm|id=0x0B|name=MECHA_SET_PATCH|data=1x uint32_t count, <List> {sector id, offset, sizeof present opcodes, replace opcodes, original opcodes)}}
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