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Fixed I/O port handling

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This commit is contained in:
Jeff Parsons 2015-07-15 14:32:20 -07:00
commit e76655a48f
3 changed files with 438 additions and 20 deletions
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20
modules/pcjs/lib/debugger.js
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@ -1241,13 +1241,13 @@ if (DEBUGGER) {
0x3A: "remove subdirectory $%DS:%DX",
0x3B: "set current directory $%DS:%DX",
0x3C: "create or truncate file $%DS:%DX with attributes %CX",
0x3D: "open existing file $%DS:%DX with mode %AL",
0x3D: "open file $%DS:%DX with mode %AL",
0x3E: "close file %BX",
0x3F: "read %CX bytes from file %BX into buffer %DS:%DX",
0x40: "write %CX bytes to file %BX from buffer %DS:%DX",
0x41: "delete file $%DS:%DX",
0x42: "set position %CX:%DX of file %BX relative to %AL",
0x43: "get(0)/set(1) attributes %CX of file %DS:%DX (%AL)",
0x43: "get(0)/set(1) attributes %CX of file $%DS:%DX (%AL)",
0x44: "get device information (IOCTL)",
0x45: "duplicate file handle %BX",
0x46: "force file handle %CX to duplicate file handle %BX",
@ -1267,12 +1267,16 @@ if (DEBUGGER) {
0x54: "get verify flag (AL)",
0x55: "create child PSP at segment %DX",
0x56: "rename file $%DS:%DX to $%ES:%DI",
0x57: "get(0)/set(1) file date %DX and time %CX (%AL)",
0x57: "get(0)/set(1) file %BX date %DX and time %CX (%AL)",
0x58: "get(0)/set(1) memory allocation strategy (%AL)", // DOS 2.11+
0x59: "get extended error information", // DOS 3.00+
0x5A: "create temporary file $%DS:%DX with attributes %CX", // DOS 3.00+
0x5B: "create file $%DS:%DX with attributes %CX", // DOS 3.00+ (doesn't truncate existing files like 0x3C)
0x5C: "lock(0)/unlock(1) file %BX region %CX:%DX length %SI:%DI (%AL)" // DOS 3.00+
0x5C: "lock(0)/unlock(1) file %BX region %CX:%DX length %SI:%DI (%AL)", // DOS 3.00+
0x5D: "critical error information (%AL)", // DOS 3.00+ (undocumented)
0x60: "get fully-qualified filename from $%DS:%SI", // DOS 3.00+ (undocumented)
0x63: "get lead byte table (%AL)", // DOS 2.25 and 3.20+
0x6C: "extended open file $%DS:%SI" // DOS 4.00+
}
};
@ -2226,7 +2230,7 @@ if (DEBUGGER) {
sChar = s.substr(i+1, 2);
b = str.parseInt(sChar, 16);
if (b != null && b >= 32 && b < 128) {
sReplace = '#' + sChar + " '" + String.fromCharCode(b) + "'";
sReplace = sChar + " '" + String.fromCharCode(b) + "'";
s = s.replace('#' + sChar, sReplace);
i += sReplace.length;
continue;
@ -2833,10 +2837,10 @@ if (DEBUGGER) {
return true;
}
/*
* Halt whenever ring 3 code is running with interrupts disabled, because that's likely an
* error (TODO: we should also check the IOPL, too, because if IOPL is 3, then this is OK).
* Halt if running with interrupts disabled and IOPL < CPL, because that's likely an error
*/
if (this.cpu.segCS.cpl == 3 && !(this.cpu.regPS & X86.PS.IF)) {
if (!(this.cpu.regPS & X86.PS.IF) && this.cpu.nIOPL < this.cpu.segCS.cpl) {
this.printMessage("interrupts disabled at IOPL " + this.cpu.nIOPL + " and CPL " + this.cpu.segCS.cpl, true);
return true;
}
}