FEX/unittests/ASM/Primary/Primary_AB_word_REPNE_down.asm
Ryan Houdek 8931ddc382 unittests: Duplicates rep string unit tests with repne
These are exactly the same except using the other prefix.
Hardware tests confirm that this behave the same
2021-08-21 20:19:38 -07:00

34 lines
491 B
NASM

%ifdef CONFIG
{
"RegData": {
"RAX": "0xF1F2F1F2F1F2F1F2",
"RDX": "0x0",
"RDI": "0xE000000E"
},
"MemoryRegions": {
"0x100000000": "4096"
}
}
%endif
mov rdx, 0xe0000000
mov rax, 0x4142434445464748
mov [rdx + 8 * 0], rax
mov rax, 0x5152535455565758
mov [rdx + 8 * 1], rax
mov rax, 0x0
mov [rdx + 8 * 2], rax
mov [rdx + 8 * 3], rax
lea rdi, [rdx + 8 * 2 + 6]
std
mov rcx, 0x4
mov rax, 0xF1F2
repne stosw ; rdi <- ax
mov rax, [rdx + 8 * 2]
mov rdx, [rdx + 8 * 3]
hlt