valter/dosbox-staging
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add IN EAX,DX

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@1037
This commit is contained in:
Sjoerd van der Berg 2003-06-02 21:22:01 +00:00
parent 0682de08be
commit f92993a121
1 changed files with 6 additions and 1 deletions
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7
src/cpu/core_16/prefix_66.h
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@ -401,13 +401,18 @@ switch(Fetchb()) {
GRP2D(1);break;
case 0xd3: /* GRP2 Ed,CL */
GRP2D(reg_cl);break;
case 0xed: /* IN EAX,DX */
reg_eax=IO_Read(reg_dx) |
(IO_Read(reg_dx+1) << 8) |
(IO_Read(reg_dx+2) << 16) |
(IO_Read(reg_dx+3) << 24);
break;
case 0xef: /* OUT DX,EAX */
IO_Write(reg_dx,(Bit8u)(reg_eax>>0));
IO_Write(reg_dx+1,(Bit8u)(reg_eax>>8));
IO_Write(reg_dx+2,(Bit8u)(reg_eax>>16));
IO_Write(reg_dx+3,(Bit8u)(reg_eax>>24));
break;
case 0xf2: /* REPNZ */
prefix.count++;
Repeat_Normal(false,true);