diff options
Diffstat (limited to 'subx/012indirect_addressing.cc')
| -rw-r--r-- | subx/012indirect_addressing.cc | 41 |
1 files changed, 11 insertions, 30 deletions
diff --git a/subx/012indirect_addressing.cc b/subx/012indirect_addressing.cc index 4095fb1b..e209d690 100644 --- a/subx/012indirect_addressing.cc +++ b/subx/012indirect_addressing.cc @@ -3,8 +3,7 @@ :(scenario add_r32_to_mem_at_r32) % Reg[3].i = 0x10; % Reg[0].i = 0x60; -# word in addresses 0x60-0x63 has value 1 -% Mem.at(0x60) = 1; +% SET_WORD_IN_MEM(0x60, 1); # op ModR/M SIB displacement immediate 01 18 # add EBX (reg 3) to *EAX (reg 0) +run: add reg 3 to effective address @@ -29,7 +28,7 @@ case 0: :(scenario add_mem_at_r32_to_r32) % Reg[0].i = 0x60; % Reg[3].i = 0x10; -% Mem.at(0x60) = 1; +% SET_WORD_IN_MEM(0x60, 1); # op ModR/M SIB displacement immediate 03 18 # add *EAX (reg 0) to EBX (reg 3) +run: add effective address to reg 3 @@ -50,7 +49,7 @@ case 0x03: { // add r/m32 to r32 :(scenario subtract_r32_from_mem_at_r32) % Reg[0].i = 0x60; -% Mem.at(0x60) = 10; +% SET_WORD_IN_MEM(0x60, 10); % Reg[3].i = 1; # op ModRM SIB displacement immediate 29 18 # subtract EBX (reg 3) from *EAX (reg 0) @@ -62,7 +61,7 @@ case 0x03: { // add r/m32 to r32 :(scenario subtract_mem_at_r32_from_r32) % Reg[0].i = 0x60; -% Mem.at(0x60) = 1; +% SET_WORD_IN_MEM(0x60, 1); % Reg[3].i = 10; # op ModRM SIB displacement immediate 2b 18 # subtract *EAX (reg 0) from EBX (reg 3) @@ -84,10 +83,7 @@ case 0x2b: { // subtract r/m32 from r32 :(scenario and_r32_with_mem_at_r32) % Reg[0].i = 0x60; -% Mem.at(0x60) = 0x0d; -% Mem.at(0x61) = 0x0c; -% Mem.at(0x62) = 0x0b; -% Mem.at(0x63) = 0x0a; +% SET_WORD_IN_MEM(0x60, 0x0a0b0c0d); % Reg[3].i = 0xff; # op ModRM SIB displacement immediate 21 18 # and EBX (reg 3) with *EAX (reg 0) @@ -99,7 +95,7 @@ case 0x2b: { // subtract r/m32 from r32 :(scenario and_mem_at_r32_with_r32) % Reg[0].i = 0x60; -% Mem.at(0x60) = 0xff; +% SET_WORD_IN_MEM(0x60, 0x000000ff); % Reg[3].i = 0x0a0b0c0d; # op ModRM SIB displacement immediate 23 18 # and *EAX (reg 0) with EBX (reg 3) @@ -121,10 +117,7 @@ case 0x23: { // and r/m32 with r32 :(scenario or_r32_with_mem_at_r32) % Reg[0].i = 0x60; -% Mem.at(0x60) = 0x0d; -% Mem.at(0x61) = 0x0c; -% Mem.at(0x62) = 0x0b; -% Mem.at(0x63) = 0x0a; +% SET_WORD_IN_MEM(0x60, 0x0a0b0c0d); % Reg[3].i = 0xa0b0c0d0; # op ModRM SIB displacement immediate 09 18 # or EBX (reg 3) with *EAX (reg 0) @@ -136,10 +129,7 @@ case 0x23: { // and r/m32 with r32 :(scenario or_mem_at_r32_with_r32) % Reg[0].i = 0x60; -% Mem.at(0x60) = 0x0d; -% Mem.at(0x61) = 0x0c; -% Mem.at(0x62) = 0x0b; -% Mem.at(0x63) = 0x0a; +% SET_WORD_IN_MEM(0x60, 0x0a0b0c0d); % Reg[3].i = 0xa0b0c0d0; # op ModRM SIB displacement immediate 0b 18 # or *EAX (reg 0) with EBX (reg 3) @@ -161,10 +151,7 @@ case 0x0b: { // or r/m32 with r32 :(scenario xor_r32_with_mem_at_r32) % Reg[0].i = 0x60; -% Mem.at(0x60) = 0x0d; -% Mem.at(0x61) = 0x0c; -% Mem.at(0x62) = 0xbb; -% Mem.at(0x63) = 0xaa; +% SET_WORD_IN_MEM(0x60, 0xaabb0c0d); % Reg[3].i = 0xa0b0c0d0; # op ModRM SIB displacement immediate 31 18 # xor EBX (reg 3) with *EAX (reg 0) @@ -176,10 +163,7 @@ case 0x0b: { // or r/m32 with r32 :(scenario xor_mem_at_r32_with_r32) % Reg[0].i = 0x60; -% Mem.at(0x60) = 0x0d; -% Mem.at(0x61) = 0x0c; -% Mem.at(0x62) = 0x0b; -% Mem.at(0x63) = 0x0a; +% SET_WORD_IN_MEM(0x60, 0x0a0b0c0d); % Reg[3].i = 0xa0b0c0d0; # op ModRM SIB displacement immediate 33 18 # xor *EAX (reg 0) with EBX (reg 3) @@ -202,10 +186,7 @@ case 0x33: { // xor r/m32 with r32 :(scenario not_r32_with_mem_at_r32) % Reg[3].i = 0x60; # word at 0x60 is 0x0f0f00ff -% Mem.at(0x60) = 0xff; -% Mem.at(0x61) = 0x00; -% Mem.at(0x62) = 0x0f; -% Mem.at(0x63) = 0x0f; +% SET_WORD_IN_MEM(0x60, 0x0f0f00ff); # op ModRM SIB displacement immediate f7 03 # negate *EBX (reg 3) +run: 'not' of effective address |