diff options
Diffstat (limited to 'subx/013immediate_addressing.cc')
-rw-r--r-- | subx/013immediate_addressing.cc | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/subx/013immediate_addressing.cc b/subx/013immediate_addressing.cc index c995bd90..8fe39279 100644 --- a/subx/013immediate_addressing.cc +++ b/subx/013immediate_addressing.cc @@ -87,3 +87,50 @@ case 5: { BINARY_ARITHMETIC_OP(-, *arg1, arg2); break; } + +//:: and + +:(scenario and_imm32_with_eax) +% Reg[EAX].i = 0xff; +# op ModR/M SIB displacement immediate + 25 0a 0b 0c 0d # and 0x0d0c0b0a with EAX (reg 0) ++run: and imm32 0x0d0c0b0a with reg EAX ++run: storing 0x0000000a + +:(before "End Single-Byte Opcodes") +case 0x25: { // and imm32 with EAX + int32_t arg2 = imm32(); + trace(2, "run") << "and imm32 0x" << HEXWORD << arg2 << " with reg EAX" << end(); + BINARY_BITWISE_OP(&, Reg[EAX].i, arg2); + break; +} + +//: + +:(scenario and_imm32_with_mem_at_r32) +% Reg[3].i = 0x60; +% Mem.at(0x60) = 0xff; +# op ModRM SIB displacement immediate + 81 23 0a 0b 0c 0d # and 0x0d0c0b0a with *EBX (reg 3) ++run: combine imm32 0x0d0c0b0a with effective address ++run: effective address is mem at address 0x60 (reg 3) ++run: subop and ++run: storing 0x0000000a + +//: + +:(scenario and_imm32_with_r32) +% Reg[3].i = 0xff; +# op ModRM SIB displacement immediate + 81 e3 0a 0b 0c 0d # and 0x0d0c0b0a with EBX (reg 3) ++run: combine imm32 0x0d0c0b0a with effective address ++run: effective address is reg 3 ++run: subop and ++run: storing 0x0000000a + +:(before "End Op 81 Subops") +case 4: { + trace(2, "run") << "subop and" << end(); + BINARY_BITWISE_OP(&, *arg1, arg2); + break; +} |