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Improved keyboard compatibility with apps that hook the keyboard interrupt (eg, BASICA)

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This commit is contained in:
Jeff Parsons 2015-03-25 14:12:48 -07:00 • committed by jeffpar
commit 3cc7476ddc
12 changed files with 2785 additions and 2733 deletions
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23
modules/pcjs/lib/debugger.js
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@ -2289,7 +2289,6 @@ if (DEBUGGER) {
aAddr[0] += inc;
var limit = this.getSegment(aAddr[1]).limit;
if (aAddr[0] > limit) {
this.assert(false);
aAddr[0] = 0;
aAddr[2] = null;
}
@ -2527,13 +2526,6 @@ if (DEBUGGER) {
}
aAddr[2] = addr;
}
/*
* Finally, we would map all addresses in the top 64Kb (of the 80286's 16Mb address space) to the top of
* the 1Mb range, but now that mapBreakpoint() takes care of that in a processor-agnostic manner, at least
* for breakpoint addresses, it seems unnecessary for getAddr() to do this anymore.
*
* if ((addr & 0xFF0000) == 0xFF0000) addr &= 0x0FFFFF;
*/
return addr;
};
@ -3566,7 +3558,20 @@ if (DEBUGGER) {
if (segment !== undefined) {
aAddr[0] = offset;
aAddr[1] = segment;
symbol['p'] = this.getAddr(aAddr);
aAddr[2] = null;
/*
* getAddr() computes the corresponding physical address and saves it in aAddr[2].
*/
this.getAddr(aAddr);
/*
* The physical address for any symbol located in the top 64Kb of the machine's address space
* should be relocated to the top 64Kb of the first 1Mb, so that we're immune from any changes
* to the A20 line.
*/
if ((aAddr[2] & ~0xffff) == (this.bus.busLimit & ~0xffff)) {
aAddr[2] &= 0x000fffff;
}
symbol['p'] = aAddr[2];
}
usr.binaryInsert(aOffsetPairs, [offset, sSymbol], fnComparePairs);
}