JMS v20 Bring your own rope

// Bring Your Own Rope
[Enable]
Alloc(Hook, 512)
Label(Return)
Label(FakeRopeStruct)
Label(FakeRope)
Label(_FindRope)
Label(Hook_End)

Hook:
push ebp
mov ebp,esp
push esi
push edi

mov esi,ecx

push [ebp+14]
push [ebp+10]
push [ebp+C]
push [ebp+8]
mov ecx,esi
call _FindRope
test eax,eax
jne Hook_End
mov edi,[0065F40C]
mov esi,[edi+3C]
cmp [esi+78],0
jne Hook_End
mov eax,[edi+3E0] // CharX
mov [FakeRope+C],eax
mov eax,[edi+3E4] // CharY
sub eax,#1000
mov [FakeRope+10],eax
lea eax,[FakeRope]
Hook_End:
pop edi
pop esi
mov esp,ebp
pop ebp
ret 0010

_FindRope:
mov eax,[esp+04]
mov edx,[esp+0C]
jmp Return

FakeRopeStruct:
dd #1 // number of ropes
dd #0
dd #0
dd #0
dd #0
dd #0
dd #0
dd #0
FakeRope:
dd #1
dd #1
dd #1
dd #0 // X
dd #0 // Y
dd #1000 // length
dd #0
dd #0


005EDBB0:
jmp Hook
nop
nop
nop
Return:

[Disable]
005EDBB0:
mov eax,[esp+04]
mov edx,[esp+0C]

DeAlloc(Hook)