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Call int 0xe when resetting a disk. Fixes a keydisk workaround algorithm. (thanks ripsaw)

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3751
This commit is contained in:
Peter Veenstra 2011-09-01 12:19:52 +00:00
parent 81085e036e
commit 6dfe1d9dcf
3 changed files with 16 additions and 3 deletions
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13
src/cpu/callback.cpp
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@ -433,7 +433,18 @@ Bitu CALLBACK_SetupExtra(Bitu callback, Bitu type, PhysPt physAddress, bool use_
phys_writeb(physAddress+0x09,(Bit8u)0x59); // pop cx
phys_writeb(physAddress+0x0A,(Bit8u)0xCF); //An IRET Instruction
return (use_cb?15:11);
case CB_INT13:
phys_writeb(physAddress+0x00,(Bit8u)0xFB); //STI
if (use_cb) {
phys_writeb(physAddress+0x01,(Bit8u)0xFE); //GRP 4
phys_writeb(physAddress+0x02,(Bit8u)0x38); //Extra Callback instruction
phys_writew(physAddress+0x03,(Bit16u)callback); //The immediate word
physAddress+=4;
}
phys_writeb(physAddress+0x01,(Bit8u)0xCF); //An IRET Instruction
phys_writew(physAddress+0x02,(Bit16u)0x0ECD); // int 0e
phys_writeb(physAddress+0x04,(Bit8u)0xCF); //An IRET Instruction
return (use_cb?9:5);
default:
E_Exit("CALLBACK:Setup:Illegal type %d",type);
}