diff options
Diffstat (limited to 'subx/013indirect_addressing.cc')
| -rw-r--r-- | subx/013indirect_addressing.cc | 53 |
1 files changed, 27 insertions, 26 deletions
diff --git a/subx/013indirect_addressing.cc b/subx/013indirect_addressing.cc index df56a248..232b67de 100644 --- a/subx/013indirect_addressing.cc +++ b/subx/013indirect_addressing.cc @@ -4,7 +4,7 @@ :(scenario add_r32_to_mem_at_r32) % Reg[EBX].i = 0x10; % Reg[EAX].i = 0x60; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 01 18 # add EBX to *EAX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -30,7 +30,7 @@ case 0: // indirect addressing :(scenario add_mem_at_r32_to_r32) % Reg[EAX].i = 0x60; % Reg[EBX].i = 0x10; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 03 18 # add *EAX to EBX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -55,7 +55,7 @@ case 0x03: { // add r/m32 to r32 :(scenario subtract_r32_from_mem_at_r32) % Reg[EAX].i = 0x60; % Reg[EBX].i = 1; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 29 18 # subtract EBX from *EAX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -70,7 +70,7 @@ case 0x03: { // add r/m32 to r32 :(scenario subtract_mem_at_r32_from_r32) % Reg[EAX].i = 0x60; % Reg[EBX].i = 10; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 2b 18 # subtract *EAX from EBX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -95,7 +95,7 @@ case 0x2b: { // subtract r/m32 from r32 :(scenario and_r32_with_mem_at_r32) % Reg[EAX].i = 0x60; % Reg[EBX].i = 0xff; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 21 18 # and EBX with *EAX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -110,7 +110,7 @@ case 0x2b: { // subtract r/m32 from r32 :(scenario and_mem_at_r32_with_r32) % Reg[EAX].i = 0x60; % Reg[EBX].i = 0x0a0b0c0d; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 23 18 # and *EAX with EBX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -135,7 +135,7 @@ case 0x23: { // and r/m32 with r32 :(scenario or_r32_with_mem_at_r32) % Reg[EAX].i = 0x60; % Reg[EBX].i = 0xa0b0c0d0; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 09 18 # or EBX with *EAX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -150,7 +150,7 @@ case 0x23: { // and r/m32 with r32 :(scenario or_mem_at_r32_with_r32) % Reg[EAX].i = 0x60; % Reg[EBX].i = 0xa0b0c0d0; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 0b 18 # or *EAX with EBX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -175,7 +175,7 @@ case 0x0b: { // or r/m32 with r32 :(scenario xor_r32_with_mem_at_r32) % Reg[EAX].i = 0x60; % Reg[EBX].i = 0xa0b0c0d0; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 31 18 # xor EBX with *EAX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -190,7 +190,7 @@ case 0x0b: { // or r/m32 with r32 :(scenario xor_mem_at_r32_with_r32) % Reg[EAX].i = 0x60; % Reg[EBX].i = 0xa0b0c0d0; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 33 18 # xor *EAX with EBX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -214,7 +214,7 @@ case 0x33: { // xor r/m32 with r32 :(scenario not_r32_with_mem_at_r32) % Reg[EBX].i = 0x60; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate f7 03 # negate *EBX # ModR/M in binary: 00 (indirect mode) 000 (unused) 011 (dest EBX) @@ -229,7 +229,7 @@ ff 00 0f 0f # 0x0f0f00ff :(scenario compare_mem_at_r32_with_r32_greater) % Reg[EAX].i = 0x60; % Reg[EBX].i = 0x0a0b0c07; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 39 18 # compare EBX with *EAX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -242,7 +242,7 @@ ff 00 0f 0f # 0x0f0f00ff :(scenario compare_mem_at_r32_with_r32_lesser) % Reg[EAX].i = 0x60; % Reg[EBX].i = 0x0a0b0c0d; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 39 18 # compare EBX with *EAX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -255,7 +255,7 @@ ff 00 0f 0f # 0x0f0f00ff :(scenario compare_mem_at_r32_with_r32_equal) % Reg[EAX].i = 0x60; % Reg[EBX].i = 0x0a0b0c0d; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 39 18 # compare EBX with *EAX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -270,7 +270,7 @@ ff 00 0f 0f # 0x0f0f00ff :(scenario compare_r32_with_mem_at_r32_greater) % Reg[EAX].i = 0x60; % Reg[EBX].i = 0x0a0b0c0d; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 3b 18 # compare *EAX with EBX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -299,7 +299,7 @@ case 0x3b: { // set SF if r32 < r/m32 :(scenario compare_r32_with_mem_at_r32_lesser) % Reg[EAX].i = 0x60; % Reg[EBX].i = 0x0a0b0c07; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 3b 18 # compare *EAX with EBX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -312,7 +312,7 @@ case 0x3b: { // set SF if r32 < r/m32 :(scenario compare_r32_with_mem_at_r32_equal) % Reg[EAX].i = 0x60; % Reg[EBX].i = 0x0a0b0c0d; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 3b 18 # compare *EAX with EBX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -327,6 +327,7 @@ case 0x3b: { // set SF if r32 < r/m32 :(scenario copy_r32_to_mem_at_r32) % Reg[EBX].i = 0xaf; % Reg[EAX].i = 0x60; +== 0x1 # op ModR/M SIB displacement immediate 89 18 # copy EBX to *EAX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -338,7 +339,7 @@ case 0x3b: { // set SF if r32 < r/m32 :(scenario copy_mem_at_r32_to_r32) % Reg[EAX].i = 0x60; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 8b 18 # copy *EAX to EBX # ModR/M in binary: 00 (indirect mode) 011 (src EAX) 000 (dest EAX) @@ -363,7 +364,7 @@ case 0x8b: { // copy r32 to r/m32 :(scenario jump_mem_at_r32) % Reg[EAX].i = 0x60; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate ff 20 # jump to *EAX # ModR/M in binary: 00 (indirect mode) 100 (jump to r/m32) 000 (src EAX) @@ -400,7 +401,7 @@ case 0xff: { :(scenario push_mem_at_r32) % Reg[EAX].i = 0x60; % Reg[ESP].u = 0x14; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate ff 30 # push *EAX to stack # ModR/M in binary: 00 (indirect mode) 110 (push r/m32) 000 (src EAX) @@ -424,7 +425,7 @@ case 6: { // push r/m32 to stack :(scenario pop_mem_at_r32) % Reg[EAX].i = 0x60; % Reg[ESP].u = 0x10; -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 8f 00 # pop stack into *EAX # ModR/M in binary: 00 (indirect mode) 000 (pop r/m32) 000 (dest EAX) @@ -454,7 +455,7 @@ case 0x8f: { // pop stack into r/m32 :(scenario add_r32_to_mem_at_displacement) % Reg[EBX].i = 0x10; // source -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 01 1d 60 00 00 00 # add EBX to *0x60 # ModR/M in binary: 00 (indirect mode) 011 (src EBX) 101 (dest in disp32) @@ -475,7 +476,7 @@ case 5: // exception: mod 0b00 rm 0b101 => incoming disp32 :(scenario add_r32_to_mem_at_r32_plus_disp8) % Reg[EBX].i = 0x10; // source % Reg[EAX].i = 0x5e; // dest -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 01 58 02 # add EBX to *(EAX+2) # ModR/M in binary: 01 (indirect+disp8 mode) 011 (src EBX) 000 (dest EAX) @@ -504,7 +505,7 @@ case 1: // indirect + disp8 addressing :(scenario add_r32_to_mem_at_r32_plus_negative_disp8) % Reg[EBX].i = 0x10; // source % Reg[EAX].i = 0x61; // dest -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 01 58 ff # add EBX to *(EAX-1) # ModR/M in binary: 01 (indirect+disp8 mode) 011 (src EBX) 000 (dest EAX) @@ -520,7 +521,7 @@ case 1: // indirect + disp8 addressing :(scenario add_r32_to_mem_at_r32_plus_disp32) % Reg[EBX].i = 0x10; // source % Reg[EAX].i = 0x5e; // dest -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 01 98 02 00 00 00 # add EBX to *(EAX+2) # ModR/M in binary: 10 (indirect+disp32 mode) 011 (src EBX) 000 (dest EAX) @@ -549,7 +550,7 @@ case 2: // indirect + disp32 addressing :(scenario add_r32_to_mem_at_r32_plus_negative_disp32) % Reg[EBX].i = 0x10; // source % Reg[EAX].i = 0x61; // dest -== 0x01 # code segment +== 0x1 # code segment # op ModR/M SIB displacement immediate 01 98 ff ff ff ff # add EBX to *(EAX-1) # ModR/M in binary: 10 (indirect+disp32 mode) 011 (src EBX) 000 (dest EAX) |