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Improved DOS message output (use "m dos on" Debugger command)

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This commit is contained in:
Jeff Parsons 2015-07-15 09:09:28 -07:00
commit 6295c112fe
6 changed files with 196 additions and 131 deletions
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14
modules/shared/lib/strlib.js
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@ -37,19 +37,19 @@ var str = {};
/**
* isValidInt(s, base)
*
* Since the built-in parseInt() function has the annoying feature of returning a partial value
* when it encounters an invalid character (eg, parseInt("foo", 16) returns 0xf), use this function
* to validate the entire string first.
* The built-in parseInt() function has the annoying feature of returning a partial value (ie,
* up to the point where it encounters an invalid character); eg, parseInt("foo", 16) returns 0xf.
* So use this function to validate the entire string.
*
* @param {string} s is the string representation of some number
* @param {number} [base] is the radix of the number represented above (only 10 and 16 are supported)
* @return {boolean} true if valid (or we're not sure because the base isn't recognized), false if invalid
* @return {boolean} true if valid, false if invalid (or the specified base isn't supported)
*/
str.isValidInt = function(s, base)
{
if (!base || base == 10) return s.match(/^[0-9]+$/) !== null;
if (base == 16) return s.match(/^[0-9a-f]+$/i) !== null;
return true;
return false;
};
/**
@ -105,7 +105,7 @@ str.parseInt = function(s, base)
* an exception, whereas toHex() will simply return '?' characters.
*
* NOTE: The following work-around (adapted from code found on StackOverflow) would be another solution,
* taking care of negative values, zero-padding, and upper-casing, but not undefined/NaN values:
* taking care of negative values, zero-padding, and upper-casing, but not null/undefined/NaN values:
*
* s = (n < 0? n + 0x100000000 : n).toString(16);
* s = "00000000".substr(0, 8 - s.length) + s;
@ -312,7 +312,7 @@ str.replaceArray = function(a, s)
/**
* pad(s, cch)
*
* Note that the maximum amount of padding currently supported is 40 spaces.
* NOTE: the maximum amount of padding currently supported is 40 spaces.
*
* @param {string} s is a string
* @param {number} cch is desired length