Ｃ＋＋里加汇编的ＢＵＧ

[pengyan]

DWORD temp=0xff;
_asm{
mov dx cf8H
mov ax 80011001H
out dx ax
mov dx cfcH
in ax dx
mov temp ax
}
DbgLogInfo(("temp %0x\n",temp));

[pengyan]

F:\working\cx23880.5.0.18.0.src\avvcap\DVBSDemod.cpp(298) : error C2400: inline assembler syntax error in 'first operand'; found 'newline'
F:\working\cx23880.5.0.18.0.src\avvcap\DVBSDemod.cpp(298) : error C2414: illegal number of operands
F:\working\cx23880.5.0.18.0.src\avvcap\DVBSDemod.cpp(298) : error C2400: inline assembler syntax error in 'second operand'; found 'constant'
F:\working\cx23880.5.0.18.0.src\avvcap\DVBSDemod.cpp(299) : error C2400: inline assembler syntax error in 'opcode'; found 'constant'
F:\working\cx23880.5.0.18.0.src\avvcap\DVBSDemod.cpp(299) : warning C4405: 'out' : identifier is reserved word
F:\working\cx23880.5.0.18.0.src\avvcap\DVBSDemod.cpp(301) : error C2400: inline assembler syntax error in 'first operand'; found 'newline'
F:\working\cx23880.5.0.18.0.src\avvcap\DVBSDemod.cpp(301) : error C2414: illegal number of operands
F:\working\cx23880.5.0.18.0.src\avvcap\DVBSDemod.cpp(301) : error C2400: inline assembler syntax error in 'second operand'; found 'register'
F:\working\cx23880.5.0.18.0.src\avvcap\DVBSDemod.cpp(302) : error C2400: inline assembler syntax error in 'opcode'; found 'register'
F:\working\cx23880.5.0.18.0.src\avvcap\DVBSDemod.cpp(302) : warning C4405: 'mov' : identifier is reserved word
DVBTDemod.cpp

[pengyan]

为什么会错呢？

[mLee79]

偶晕, mov dx [[,]] cf8H 指令里的 ',' 分隔符难道都被lz吃了 ...
这东东在 win32 user mode 下也是跑不起来的, 不 GP 才怪 ....

[pengyan]

加了，但又有问题了
　　　　　DWORD temp=0xff;
_asm{
mov dx, cf8H
mov ax, 80011001H
out dx , ax
mov dx , cfcH
in ax , dx
mov temp, ax
}
DbgLogInfo(("temp %0x\n",temp));

F:\working\cx23880.5.0.18.0.src\avvcap\DVBSDemod.cpp(298) : error C2443: operand size conflict
F:\working\cx23880.5.0.18.0.src\avvcap\DVBSDemod.cpp(301) : error C2443: operand size conflict
F:\working\cx23880.5.0.18.0.src\avvcap\DVBSDemod.cpp(303) : error C2443: operand size conflict