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Implement bts_rm16_imm8 #132

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Merged
evmar merged 1 commit into from
Nov 20, 2025
Merged

Implement bts_rm16_imm8 #132

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9 changes: 9 additions & 0 deletions x86/src/ops/bits.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,15 @@ pub fn bts_rm32_r32(cpu: &mut CPU, mem: Mem, instr: &Instruction) {
x.set(x.get() | mask);
}

/// bts: Bit Test and Set
pub fn bts_rm16_imm8(cpu: &mut CPU, mem: Mem, instr: &Instruction) {
let y = instr.immediate8() % 16;
let x = rm16(cpu, mem, instr);
let mask = 1u16 << y;
cpu.flags.set(Flags::CF, x.get() & mask != 0);
x.set(x.get() | mask);
}

/// btr: Bit Test and Reset
pub fn btr_rm32_imm8(cpu: &mut CPU, mem: Mem, instr: &Instruction) {
let y = instr.immediate8() % 32;
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1 change: 1 addition & 0 deletions x86/src/ops/table.rs
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Expand Up @@ -529,6 +529,7 @@ const OP_TAB: [Option<OpImp>; 2553] = {
tab[iced_x86::Code::Bswap_r32 as usize] = Some(bswap_r32);
tab[iced_x86::Code::Xlat_m8 as usize] = Some(xlat_m8);
tab[iced_x86::Code::Bts_rm32_r32 as usize] = Some(bts_rm32_r32);
tab[iced_x86::Code::Bts_rm16_imm8 as usize] = Some(bts_rm16_imm8);
tab[iced_x86::Code::Tzcnt_r32_rm32 as usize] = Some(tzcnt_r32_rm32);

tab[iced_x86::Code::Cpuid as usize] = Some(cpuid);
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