i386手册勘误
17.2.1 ModR/M and SIB Bytes中的Table 17-3:
@@ -?,2 +?,2 @@
disp8[EDX] 010 42 4A 52 5A 62 6A 72 7A
-disp8[EPX] 011 43 4B 53 5B 63 6B 73 7B
+disp8[EBX] 011 43 4B 53 5B 63 6B 73 7B17.2.1 ModR/M and SIB Bytes中的Table 17-4:
@@ -?,2 +?,2 @@
Base = 0 1 2 3 4 5 6 7
- r32 EAX ECX EDX EBX ESP EBP ESI EDI
+ r32 EAX ECX EDX EBX ESP [*] ESI EDI
@@ -?,2 +?,2 @@
[ECX*2] 001 48 49 4A 4B 4C 4D 4E 4F
-[ECX*2] 010 50 51 52 53 54 55 56 57
+[EDX*2] 010 50 51 52 53 54 55 56 57
@@ -?,2 +?,2 @@
[EDX*4] 010 90 91 92 93 94 95 96 97
-[EBX*4] 011 98 89 9A 9B 9C 9D 9E 9F
+[EBX*4] 011 98 99 9A 9B 9C 9D 9E 9F
@@ -?,2 +?,2 @@
NOTES:
- [*] means a disp32 with no base if MOD is 00, [ESP] otherwise. This provides the following addressing modes:
+ [*] means a disp32 with no base if MOD is 00. Otherwise, [*] means disp8[EBP] or disp32[EBP]. This provides the following addressing modes:17.2.2.11 Instruction Set Detail中的DEC -- Decrement by 1
@@ -?,2 +?,2 @@
FF /1 DEC r/m16 2/6 Decrement r/m word by 1
- DEC r/m32 2/6 Decrement r/m dword by 1
+FF /1 DEC r/m32 2/6 Decrement r/m dword by 117.2.2.11 Instruction Set Detail中的INC -- Increment by 1
@@ -?,2 +?,2 @@
FF /0 INC r/m16 Increment r/m word by 1
-FF /6 INC r/m32 Increment r/m dword by 1
+FF /0 INC r/m32 Increment r/m dword by 117.2.2.11 Instruction Set Detail中的Jcc -- Jump if Condition is Met
@@ -?,2 +?,2 @@
72 cb JB rel8 7+m,3 Jump short if below (CF=1)
-76 cb JBE rel8 7+m,3 Jump short if below or (CF=1 or ZF=1)
+76 cb JBE rel8 7+m,3 Jump short if below or equal (CF=1 or ZF=1)
@@ -?,2 +?,2 @@
7C cb JL rel8 7+m,3 Jump short if less (SF!=OF)
-7E cb JLE rel8 7+m,3 Jump short if less or equal (ZF=1 and SF!=OF)
+7E cb JLE rel8 7+m,3 Jump short if less or equal (ZF=1 or SF!=OF)
@@ -?,2 +?,2 @@
0F 8C cw/cd JL rel16/32 7+m,3 Jump near if less (SF!=OF)
-0F 8E cw/cd JLE rel16/32 7+m,3 Jump near if less or equal (ZF=1 and SF!=OF)
+0F 8E cw/cd JLE rel16/32 7+m,3 Jump near if less or equal (ZF=1 or SF!=OF)17.2.2.11 Instruction Set Detail中的MOV -- Move Data
@@ -?,14 +?,14 @@
8C /r MOV r/m16,Sreg 2/2 Move segment register to r/m word
-8D /r MOV Sreg,r/m16 2/5,pm=18/19 Move r/m word to segment register
+8E /r MOV Sreg,r/m16 2/5,pm=18/19 Move r/m word to segment register
A0 MOV AL,moffs8 4 Move byte at (seg:offset) to AL
A1 MOV AX,moffs16 4 Move word at (seg:offset) to AX
A1 MOV EAX,moffs32 4 Move dword at (seg:offset) to EAX
A2 MOV moffs8,AL 2 Move AL to (seg:offset)
A3 MOV moffs16,AX 2 Move AX to (seg:offset)
A3 MOV moffs32,EAX 2 Move EAX to (seg:offset)
-B0 + rb MOV reg8,imm8 2 Move immediate byte to register
-B8 + rw MOV reg16,imm16 2 Move immediate word to register
-B8 + rd MOV reg32,imm32 2 Move immediate dword to register
-Ciiiiii MOV r/m8,imm8 2/2 Move immediate byte to r/m byte
-C7 MOV r/m16,imm16 2/2 Move immediate word to r/m word
-C7 MOV r/m32,imm32 2/2 Move immediate dword to r/m dword
+B0 + rb ib MOV reg8,imm8 2 Move immediate byte to register
+B8 + rw iw MOV reg16,imm16 2 Move immediate word to register
+B8 + rd id MOV reg32,imm32 2 Move immediate dword to register
+C6 ib MOV r/m8,imm8 2/2 Move immediate byte to r/m byte
+C7 iw MOV r/m16,imm16 2/2 Move immediate word to r/m word
+C7 id MOV r/m32,imm32 2/2 Move immediate dword to r/m dword17.2.2.11 Instruction Set Detail中的MUL -- Unsigned Multiplication of AL or AX
@@ -?,2 +?,2 @@
Flags Affected
-OF and CF as described above; SF, ZF, AF, PF, and CF are undefined
+OF and CF as described above; SF, ZF, AF, PF are undefined17.2.2.11 Instruction Set Detail中的OR -- Logical Inclusive OR
@@ -?,6 +?,6 @@
08 /r OR r/m8,r8 2/6 OR byte register to r/m byte
09 /r OR r/m16,r16 2/6 OR word register to r/m word
09 /r OR r/m32,r32 2/6 OR dword register to r/m dword
-0A /r OR r8,r/m8 2/7 OR byte register to r/m byte
-0B /r OR r16,r/m16 2/7 OR word register to r/m word
-0B /r OR r32,r/m32 2/7 OR dword register to r/m dword
+0A /r OR r8,r/m8 2/7 OR r/m byte to byte register
+0B /r OR r16,r/m16 2/7 OR r/m word to word register
+0B /r OR r32,r/m32 2/7 OR r/m dword to dword register17.2.2.11 Instruction Set Detail中的PUSH -- Push Operand onto the Stack
@@ -?,3 +?,3 @@
FF /6 PUSH m32 5 Push memory dword
-50 + /r PUSH r16 2 Push register word
-50 + /r PUSH r32 2 Push register dword
+50 + rw PUSH r16 2 Push register word
+50 + rd PUSH r32 2 Push register dword17.2.2.11 Instruction Set Detail中的REP/REPE/REPZ/REPNE/REPNZ -- Repeat Following String Operation
@@ -?,13 +?,13 @@
service pending interrupts (if any);
perform primitive string instruction;
CountReg <- CountReg - 1;
IF primitive operation is CMPB, CMPW, SCAB, or SCAW
THEN
- IF (instruction is REP/REPE/REPZ) AND (ZF=1)
+ IF (instruction is REP/REPE/REPZ) AND (ZF=0)
THEN exit WHILE loop
ELSE
- IF (instruction is REPNZ or REPNE) AND (ZF=0)
+ IF (instruction is REPNZ or REPNE) AND (ZF=1)
THEN exit WHILE loop;
FI;
FI;
FI;17.2.2.11 Instruction Set Detail中的SBB -- Integer Subtraction with Borrow
@@ -?,6 +?,6 @@
18 /r SBB r/m8,r8 2/6 Subtract with borrow byte register from r/m byte
19 /r SBB r/m16,r16 2/6 Subtract with borrow word register from r/m word
19 /r SBB r/m32,r32 2/6 Subtract with borrow dword register from r/m dword
-1A /r SBB r8,r/m8 2/7 Subtract with borrow byte register from r/m byte
-1B /r SBB r16,r/m16 2/7 Subtract with borrow word register from r/m word
-1B /r SBB r32,r/m32 2/7 Subtract with borrow dword register from r/m dword
+1A /r SBB r8,r/m8 2/7 Subtract with borrow r/m byte from byte register
+1B /r SBB r16,r/m16 2/7 Subtract with borrow r/m word from word register
+1B /r SBB r32,r/m32 2/7 Subtract with borrow r/m dword from dword register17.2.2.11 Instruction Set Detail中的SETcc - Byte Set on Condition
@@ -?,2 +?,2 @@
0F 94 SETE r/m8 4/5 Set byte if equal (ZF=1)
-0F 9F SETG r/m8 4/5 Set byte if greater (ZF=0 or SF=OF)
+0F 9F SETG r/m8 4/5 Set byte if greater (ZF=0 and SF=OF)
@@ -?,3 +?,3 @@
0F 9C SETLE r/m8 4/5 Set byte if less (SF!=OF)
-0F 9E SETLE r/m8 4/5 Set byte if less or equal (ZF=1 and SF!=OF)
-0F 96 SETNA r/m8 4/5 Set byte if not above (CF=1)
+0F 9E SETLE r/m8 4/5 Set byte if less or equal (ZF=1 or SF!=OF)
+0F 96 SETNA r/m8 4/5 Set byte if not above (CF=1 or ZF=1)
@@ -?,2 +?,2 @@
0F 9D SETNL r/m8 4/5 Set byte if not less (SF=OF)
-0F 9F SETNLE r/m8 4/5 Set byte if not less or equal (ZF=1 and SF!=OF)
+0F 9F SETNLE r/m8 4/5 Set byte if not less or equal (ZF=0 and SF=OF)17.2.2.11 Instruction Set Detail中的SHLD -- Double Precision Shift Left
@@ -?,2 +?,2 @@
Flags Affected
-OF, SF, ZF, PF, and CF as described above; AF and OF are undefined
+SF, ZF, PF, and CF as described above; AF and OF are undefined17.2.2.11 Instruction Set Detail中的SHLR -- Double Precision Shift Right
@@ -?,2 +?,2 @@
Flags Affected
-OF, SF, ZF, PF, and CF as described above; AF and OF are undefined
+SF, ZF, PF, and CF as described above; AF and OF are undefined17.2.2.11 Instruction Set Detail中的SUB - Integer Subtraction
@@ -?,6 +?,6 @@
28 /r SUB r/m8,r8 2/6 Subtract byte register from r/m byte
29 /r SUB r/m16,r16 2/6 Subtract word register from r/m word
29 /r SUB r/m32,r32 2/6 Subtract dword register from r/m dword
-2A /r SUB r8,r/m8 2/7 Subtract byte register from r/m byte
-2B /r SUB r16,r/m16 2/7 Subtract word register from r/m word
-2B /r SUB r32,r/m32 2/7 Subtract dword register from r/m dword
+2A /r SUB r8,r/m8 2/7 Subtract r/m byte from byte register
+2B /r SUB r16,r/m16 2/7 Subtract r/m word from word register
+2B /r SUB r32,r/m32 2/7 Subtract r/m dword from dword register17.2.2.11 Instruction Set Detail中的XOR - Logical Exclusive OR
@@ -?,6 +?,6 @@
30 /r XOR r/m8,r8 2/6 Exclusive-OR byte register to r/m byte
31 /r XOR r/m16,r16 2/6 Exclusive-OR word register to r/m word
31 /r XOR r/m32,r32 2/6 Exclusive-OR dword register to r/m dword
-32 /r XOR r8,r/m8 2/7 Exclusive-OR byte register to r/m byte
-33 /r XOR r16,r/m16 2/7 Exclusive-OR word register to r/m word
-33 /r XOR r32,r/m32 2/7 Exclusive-OR dword register to r/m dword
+32 /r XOR r8,r/m8 2/7 Exclusive-OR r/m byte to byte register
+33 /r XOR r16,r/m16 2/7 Exclusive-OR r/m word to word register
+33 /r XOR r32,r/m32 2/7 Exclusive-OR r/m dword to dword registerLast updated
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