Retro/pcjs
Watch
1
0
Fork
You've already forked pcjs
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

80286 triple-fault happily resets now

Browse source
This commit is contained in:
Jeff Parsons 2014-11-17 17:26:19 -08:00 • committed by jeffpar
commit 9d73a2674e
21 changed files with 402 additions and 261 deletions
Download patch file Download diff file Expand all files Collapse all files

12
modules/pcjs/lib/mem.js
View file

@ -77,10 +77,6 @@ if (typeof module !== 'undefined') {
* as many new BLOCK_SIZE Memory objects as the ranges require. Partial Memory blocks could be
* supported in theory, but in practice, they're not.
*
* NOTE: Since Memory blocks are low-level objects that have no UI requirements, they do not
* inherit from the Component class; so, if you want to use println(), for example, you must
* use the methods in the Debugger class.
*
* Because Memory blocks now allow us to have a "sparse" address space, we could choose to
* take the memory hit of allocating 4K arrays per block, where each element stores only one byte,
* instead of the more frugal but slightly slower approach of allocating arrays of 32-bit dwords
@ -92,6 +88,10 @@ if (typeof module !== 'undefined') {
* probably best, although not all JavaScript implementations support them (IE9 is probably the
* only real outlier: it lacks typed arrays but otherwise has all the necessary HTML5 support).
*
* WARNING: Since Memory blocks are low-level objects that have no UI requirements,
* they do not inherit from the Component class, so you should only use class methods
* of Component, such as Component.assert(), or Debugger methods if the Debugger is available.
*
* @constructor
* @param {number} addr of block (must be some multiple of bus.blockSize)
* @param {number} [size] of block's buffer in bytes (0 for none); must be a multiple of 4
@ -565,14 +565,14 @@ Memory.prototype = {
this.resetReadAccess();
if (DEBUG) this.dbg.println("all read breakpoints removed from memory block " + str.toHex(this.addr));
}
Component.assert(this.cReadBreakpoints >= 0);
this.dbg.assert(this.cReadBreakpoints >= 0);
}
else {
if (--this.cWriteBreakpoints === 0) {
this.resetWriteAccess();
if (DEBUG) this.dbg.println("all write breakpoints removed from memory block " + str.toHex(this.addr));
}
Component.assert(this.cWriteBreakpoints >= 0);
this.dbg.assert(this.cWriteBreakpoints >= 0);
}
}
}