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More MACRO-10 support

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This commit is contained in:
Jeff 2017-03-11 23:30:06 -08:00 • committed by Jeff Parsons
commit e2e018af67
8 changed files with 706 additions and 205 deletions
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19
modules/shared/lib/strlib.js
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@ -65,6 +65,10 @@ class Str {
* to indicate octal (because such a number could also be decimal or hex). Any number of commas are
* allowed; we remove them all before calling the built-in parseInt().
*
* More recently, we've added support for "^D", "^O", and "^B" prefixes to accommodate the base overrides
* that the PDP-10's MACRO-10 assembly language supports. If this support turns out to adversely affect
* other debuggers, then it will have to be "conditionalized".
*
* To summarize our non-standard alternatives: a 'y' suffix indicates binary, a '#' prefix indicates
* octal, a '$' prefix indicates hex, and a "0b" prefix indicates binary IF at least one comma is present.
* Commas are useful for grouping binary digits, but if you don't want to use them, then you must use a
@ -110,6 +114,21 @@ class Str {
chPrefix = null;
}
}
else if (chPrefix == '^') {
chPrefix = s.charAt(1);
if (chPrefix == 'D') {
base = 10;
chPrefix = null;
}
else if (chPrefix == 'O') {
base = 8;
chPrefix = null;
}
else if (chPrefix == 'B') {
base = 2;
chPrefix = null;
}
}
if (chPrefix == null) {
s = s.substr(2);
}